ML19163A371

20190415_UNC New Haven Racr, Appendix a Fssr Attachment 6 Structure Survey Unit Direct Measurement Data

ML19163A371
Person / Time
Site:	07000371
Issue date:	11/30/2018
From:	Cabrera Services
To:	NRC Region 1
Shared Package
ML051740240, ML19095A008	List: ML19163A319 ML19163A320 ML19163A321 ML19163A322 ML19163A323 ML19163A324 ML19163A325 ML19163A326 ML19163A327 ML19163A328 ML19163A330 ML19163A331 ML19163A332 ML19163A333 ML19163A334 ML19163A335 ML19163A336 ML19163A337 ML19163A339 ML19163A340 ML19163A341 ML19163A342 ML19163A343 ML19163A344 ML19163A345 ML19163A346 ML19163A347 ML19163A348 ML19163A349 ML19163A350 ML19163A351 ML19163A352 ML19163A353 ML19163A354 ML19163A355 ML19163A356 ML19163A357 ML19163A358 ML19163A359 ML19163A360 ML19163A361 ML19163A362 ML19163A363 ML19163A364 ML19163A365 ML19163A366 ML19163A367 ML19163A368 ML19163A369 ML19163A370 ... further results
References
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Text

Survey # of Unit Msmts 1-F 22 264

-364 207

-318

-12

-721 824

-141 253 162 4,671 4,790 19 33 1-W1 22 66

-45 36 165

-32

-32 242 641 81 539 4,894 4,299 61 9

1-W2 22 59 5

49 31

-7

-292 142 303 44 171 4,943 4,778 112 29 2-F 23 1,126 443 950 365 214

-454 2,754 1,336 638 517 4,171 4,328 6

9 2-W 22 6

-319 12

-325

-61

-588 127 27 45 146 4,942 4,810 112 36 3-F 22 153

-38 199 29

-73

-763 389 593 138 385 4,820 4,499 35 13 3-W1 22

-24

-1,322

-19

-1,339

-87

-1,471 90

-1,087 39 119 4,949 4,845 128 53 3-W2 22 118

-514

-5

-595

-60

-1,027 2,158 413 463 323 4,398 4,581 11 17 3-W3 20

-35

-528

-46

-475

-73

-1,075 22

-163 28 220 4,964 4,714 182 25 4-F1 22 11

-698 3

-672

-24

-1,176 71 156 29 280 4,963 4,636 174 20 4-F2 17

-6

-841

-11

-870

-24

-1,152 30

-432 19 198 4,975 4,742 261 30 4-W1 22 9

-816 8

-938

-5

-1,274 63 909 18 480 4,977 4,376 281 12 4-W2 22 3

122

-8 174

-22

-348 87 408 22 215 4,971 4,720 227 22 4-W3 22 2

10

-8 36

-8

-336 60 384 17 200 4,978 4,740 296 25 5-F 22 11

-141 3

-115

-24

-619 71 713 29 280 4,963 4,636 174 18 5-W 22

-2

-254

-11

-283

-24

-655 71 317 24 216 4,968 4,719 206 24 6-F1 22

-21

-1,027

-27

-1,022

-41

-1,298 0

-734 11 143 4,986 4,814 462 42 6-F2 22

-100

-720

-95

-704

-123

-859

-81

-588 13 76 4,984 4,902 403 75 6-W1 22

-19

-220

-22

-274

-49

-561 5

482 16 285 4,979 4,629 313 18 6-W2 22

-14

-838

-8

-855

-36

-1,029 6

-537 14 118 4,982 4,847 357 50 6-FW1 22

-6

-717

-14

-662

-41

-1,046 41

-350 27 226 4,965 4,707 185 25 6-FW2 22

-16

-768

-14

-770

-41

-1,142 27

-506 17 176 4,978 4,771 302 33 AP 28 0

443 0

468

-54

-1,344 122 1,943 40 816 4,948 3,939 126 6

DP 0

N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A DP Rm 0

N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A SmTr 0

N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A XY 0

N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A HR 0

N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A Relative Shift (unitless)

Table 6-4. Structure Survey Unit Direct Survey Systematic Measurement Summary Mean Median Minimum Maximum Standard Deviation disintegrations per minute per 100 square centimeters (dpm/100 cm2)

Power < 1

Survey # of Unit Msmts 1-F 5

360

-86 260

-346 3

-427 798 362 361 398 4,531 4,482 13 13 1-W1 6

-26

-123

-26

-54

-45

-569

-7 184 13 258 4,983 4,665 384 20 1-W2 5

2 5

-20 31

-32

-292 55 303 43 171 4,944 4,778 117 29 2-F 26 1,807 791 1,968 797 362

-343 2,607 1,900 553 674 4,281 4,124 5

6 2-W 7

1,702 63 1,612 109 260

-248 4,106 207 1,403 169 3,176 4,780 2

29 3-F 2

396 233 396 233

-33

-19 825 485 606 356 4,212 4,537 8

13 3-W1 4

158

-106 137

-97 63

-235 294 5

97 129 4,873 4,832 50 40 3-W2 3

13

-503 8

-511

-46

-547 76

-451 61 48 4,920 4,937 81 114 3-W3 2

15

-529 15

-529

-46

-547 76

-511 87 25 4,887 4,967 58 217 4-F1 0

N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 4-F2 0

N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 4-W1 3

10 8

19

-60

-8

-144 19 228 16 195 4,980 4,746 317 26 4-W2 3

1 204

-8 180

-8 36 19 396 16 181 4,980 4,765 319 27 4-W3 14 8

289 5

282

-8

-48 46 624 18 187 4,977 4,757 280 25 5-F 8

-20

-513

-22

-513

-35

-657 19

-297 17 149 4,978 4,806 296 37 5-W 12

-26

-347

-35

-363

-49

-597 5

-82 19 163 4,976 4,788 270 33 6-F1 0

N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 6-F2 0

N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 6-W1 4

-22

-300

-22

-339

-35

-393

-8

-130 16 117 4,980 4,848 320 46 6-W2 4

-22

-300

-22

-339

-36

-393

-8

-130 16 117 4,979 4,848 310 46 6-FW1 10

-6

-717

-14

-662

-41

-1,046 41

-350 27 226 4,965 4,707 185 25 6-FW2 8

-16

-768

-14

-770

-41

-1,142 27

-506 17 176 4,978 4,771 302 33 AP 2

95

-1,038 95

-1,038 54

-1,332 136

-744 58 416 4,925 4,460 85 15 DP 19 78 91

-41 143

-85

-232 1,932 500 452 234 4,412 4,696 11 21 DP Rm 15 1,659 589 1,155 563 433

-129 4,240 1,576 1,083 428 3,593 4,443 4

10 SmTr 34 90 353 79 344

-13

-107 223 928 60 233 4,922 4,697 82 20 XY 12 916 848 278 447

-8

-309 2,606 2,220 1,021 984 3,673 3,721 5

5 HR 13

-4

-274

-1

-250

-49

-1,089 33 122 27 296 4,965 4,615 186 18 Relative Shift (unitless)

Power < 1 disintegrations per minute per 100 square centimeters (dpm/100 cm2)

Table 6-5. Structure Survey Unit Direct Survey Biased Measurement Summary Standard Deviation Mean Median Minimum Maximum

Instrument/Probe Models Instrument S/N Probe S/N Alpha Efficiency1 Probe Active Area (cm2)

MARSSIM Class:

SU DCGLw (dpm/100cm2) 2224-1/43-93 162425 PR182403 0.076 100 1

5000 2360/43-93 276935 PR295818 0.069 100 1

5000 Concrete Floor Sample ID Measurement Type2 Alpha Counts (gross cpm)

Background3 (cpm)

Net Fixed-Point Result (net cpm)

Alpha Residual Surface Activity (dpm/100cm2)

Net Activity Exceeds DCGLw South Trench Sec 1 F #1 S

24 4.2 19.8 259.9 NO South Trench Sec 1 F #2 S

27 4.2 22.8 299.3 NO South Trench Sec 1 F #3 S

33 4.2 28.8 378.1 NO South Trench Sec 1 F #4 S

12 4.2 7.8 102.4 NO South Trench Sec 1 F #5 S

20 4.2 15.8 207.4 NO South Trench Sec 1 F #6 S

67 4.2 62.8 824.4 NO South Trench Sec 1 F #7 S

42 4.2 37.8 496.2 NO South Trench Sec 1 F #8 S

49 4.2 44.8 588.1 NO South Trench Sec 1 F #9 S

20 4.2 15.8 207.4 NO South Trench Sec 1 F #10 S

47 4.2 42.8 561.9 NO South Trench Sec 1 F #11 S

66 4.2 61.8 811.3 NO South Trench Sec 1 F #12 S

29 4.2 24.8 325.6 NO South Trench Sec 1 F #13 S

27 4.2 22.8 299.3 NO South Trench Sec 1 F #14 S

6 4.2 1.8 23.6 NO South Trench Sec 1 F #15 S

6 3.8 2.2 31.8 NO South Trench Sec 1 F #16 S

3 3.8

-0.8

-11.5 NO South Trench Sec 1 F #17 S

7 3.8 3.2 46.2 NO South Trench Sec 1 F #18 S

4 3.8 0.2 2.9 NO South Trench Sec 1 F #19 S

10 3.8 6.2 89.5 NO South Trench Sec 1 F #20 S

9 3.8 5.2 75.0 NO South Trench Sec 1 F #21 S

15 3.8 11.2 161.6 NO South Trench Sec 1 F #22 S

6 3.8 2.2 31.8 NO Mean 264.2 Median 207.4 Minimum

-11.5 Maximum 824.4 Std Dev (1s) 253.3 MARSSIM Sign Test Required?

NO Does survey unit meet release criterion?

YES South Trench Sec 1 F #Y-11 B

24 4.2 19.8 259.9 NO South Trench Sec 1 F #Y-15 B

56 4.2 51.8 680.0 NO South Trench Sec 1 F #X-15 B

65 4.2 60.8 798.2 NO South Trench Sec 1 F #K3 B

4 3.8 0.2 2.9 NO South Trench Sec 1 F #L3 B

8 3.8 4.2 60.6 NO Mean 360.3 Median 259.9 Minimum 2.9 Maximum 798.2 Std Dev (1s) 361.1 NOTES:

1 Instrument Efficiency = Instrument static 2-pi efficiency for alpha 2

Sample Type: S = Systematic B = Biased 3

Mean of up to 5 background readings collected upon unimpacted concrete surfaces inside Building 3H/6H 4

MARSSIM (NRC, 2000) Sign Test required if a systematic measurement exceeds the DCGLw South Trench Section 1 - Floor Survey Unit - Alpha Static Measurement Results SU

Description:

Instrument/Probe Models Instrument S/N Probe S/N Beta Efficiency1 Probe Active Area (cm2)

MARSSIM Class:

SU DCGLw (dpm/100cm2) 2224-1/43-93 162425 PR182403 0.112 100 1

5000 2360/43-93 276935 PR295818 0.089 100 1

5000 Concrete Floor Sample ID Measurement Type2 Beta Counts (gross cpm)

Background3 (cpm)

Net Fixed-Point Result (net cpm)

Beta Residual Surface Activity (dpm/100cm2)

Net Activity Exceeds DCGLw South Trench Sec 1 F #1 S

212 283.8

-71.8

-640.9 NO South Trench Sec 1 F #2 S

224 283.8

-59.8

-533.8 NO South Trench Sec 1 F #3 S

236 283.8

-47.8

-426.6 NO South Trench Sec 1 F #4 S

229 283.8

-54.8

-489.1 NO South Trench Sec 1 F #5 S

247 283.8

-36.8

-328.5 NO South Trench Sec 1 F #6 S

268 283.8

-15.8

-141.0 NO South Trench Sec 1 F #7 S

260 283.8

-23.8

-212.4 NO South Trench Sec 1 F #8 S

240 283.8

-43.8

-390.9 NO South Trench Sec 1 F #9 S

235 283.8

-48.8

-435.6 NO South Trench Sec 1 F #10 S

228 283.8

-55.8

-498.1 NO South Trench Sec 1 F #11 S

268 283.8

-15.8

-141.0 NO South Trench Sec 1 F #12 S

203 283.8

-80.8

-721.2 NO South Trench Sec 1 F #13 S

254 283.8

-29.8

-266.0 NO South Trench Sec 1 F #14 S

216 283.8

-67.8

-605.2 NO South Trench Sec 1 F #15 S

136 162.4

-26.4

-235.6 NO South Trench Sec 1 F #16 S

129 162.4

-33.4

-298.1 NO South Trench Sec 1 F #17 S

136 162.4

-26.4

-235.6 NO South Trench Sec 1 F #18 S

128 162.4

-34.4

-307.0 NO South Trench Sec 1 F #19 S

122 162.4

-40.4

-360.6 NO South Trench Sec 1 F #20 S

135 162.4

-27.4

-244.6 NO South Trench Sec 1 F #21 S

138 162.4

-24.4

-217.8 NO South Trench Sec 1 F #22 S

130 162.4

-32.4

-289.2 NO Mean

-364.5 Median

-317.8 Minimum

-721.2 Maximum

-141.0 Std Dev (1s) 161.8 MARSSIM Sign Test Required?

NO Does survey unit meet release criterion?

YES South Trench Sec 1 F #Y-11 B

236 283.8

-47.8

-426.6 NO South Trench Sec 1 F #Y-15 B

245 283.8

-38.8

-346.3 NO South Trench Sec 1 F #X-15 B

244 283.8

-39.8

-355.2 NO South Trench Sec 1 F #K3 B

203 162.4 40.6 362.4 NO South Trench Sec 1 F #L3 B

200 162.4 37.6 335.6 NO Mean

-86.0 Median

-346.3 Minimum

-426.6 Maximum 362.4 Std Dev (1s) 398.5 NOTES:

1 Instrument Efficiency = Instrument static 2-pi efficiency for beta 2

Sample Type: S = Systematic B = Biased 3

Mean of up to 5 background readings collected upon unimpacted concrete surfaces inside Building 3H/6H 4

MARSSIM (NRC, 2000) Sign Test required if a systematic measurement exceeds the DCGLw South Trench Section 1 - Floor Survey Unit - Beta Static Measurement Results SU

Description:

Instrument/Probe Models Instrument S/N Probe S/N Alpha Efficiency1 Probe Active Area (cm2)

MARSSIM Class:

SU DCGLw (dpm/100cm2) 2360/43-93 193667 PR238112 0.080 100 1

5000 Concrete Walls Sample ID Measurement Type2 Alpha Counts (gross cpm)

Background3 (cpm)

Net Fixed-Point Result (net cpm)

Alpha Residual Surface Activity (dpm/100cm2)

Net Activity Exceeds DCGLw South Trench Sec 1 W-1 #1 S

8 4.6 3.4 42.5 NO South Trench Sec 1 W-1 #2 S

15 4.6 10.4 129.9 NO South Trench Sec 1 W-1 #3 S

5 4.6 0.4 5.0 NO South Trench Sec 1 W-1 #4 S

22 4.6 17.4 217.4 NO South Trench Sec 1 W-1 #5 S

12 4.6 7.4 92.4 NO South Trench Sec 1 W-1 #6 S

20 4.6 15.4 192.4 NO South Trench Sec 1 W-1 #7 S

7 4.6 2.4 30.0 NO South Trench Sec 1 W-1 #8 S

7 4.6 2.4 30.0 NO South Trench Sec 1 W-1 #9 S

15 4.6 10.4 129.9 NO South Trench Sec 1 W-1 #10 S

13 4.6 8.4 104.9 NO South Trench Sec 1 W-1 #11 S

16 4.6 11.4 142.4 NO South Trench Sec 1 W-1 #12 S

10 4.6 5.4 67.5 NO South Trench Sec 1 W-1 #13 S

24 4.6 19.4 242.3 NO South Trench Sec 1 W-1 #14 S

3 4.6

-1.6

-20.0 NO South Trench Sec 1 W-1 #15 S

3 4.6

-1.6

-20.0 NO South Trench Sec 1 W-1 #16 S

6 4.6 1.4 17.5 NO South Trench Sec 1 W-1 #17 S

4 4.6

-0.6

-7.5 NO South Trench Sec 1 W-1 #18 S

2 4.6

-2.6

-32.5 NO South Trench Sec 1 W-1 #19 S

12 4.6 7.4 92.4 NO South Trench Sec 1 W-1 #20 S

6 4.6 1.4 17.5 NO South Trench Sec 1 W-1 #21 S

4 4.6

-0.6

-7.5 NO South Trench Sec 1 W-1 #22 S

4 4.6

-0.6

-7.5 NO Mean 66.3 Median 36.2 Minimum

-32.5 Maximum 242.3 Std Dev (1s) 81.4 MARSSIM Sign Test Required?

NO Does survey unit meet release criterion?

YES South Trench Sec 1 W-1 #B5 B

2 4.6

-2.6

-32.5 NO South Trench Sec 1 W-1 #C5 B

1 4.6

-3.6

-45.0 NO South Trench Sec 1 W-1 #D6 B

3 4.6

-1.6

-20.0 NO South Trench Sec 1 W-1 #K6 B

3 4.6

-1.6

-20.0 NO South Trench Sec 1 W-1 #L6 B

2 4.6

-2.6

-32.5 NO South Trench Sec 1 W-1 #N6 B

4 4.6

-0.6

-7.5 NO Mean

-26.2 Median

-26.2 Minimum

-45.0 Maximum

-7.5 Std Dev (1s) 13.1 NOTES:

1 Instrument Efficiency = Instrument static 2-pi efficiency for alpha 2

Sample Type: S = Systematic B = Biased 3

Mean of up to 5 background readings collected upon unimpacted concrete surfaces inside Building 3H/6H 4

MARSSIM (NRC, 2000) Sign Test required if a systematic measurement exceeds the DCGLw South Trench Section 1 - Wall Survey Unit 1 - Alpha Static Measurement Results SU

Description:

Instrument/Probe Models Instrument S/N Probe S/N Beta Efficiency1 Probe Active Area (cm2)

MARSSIM Class:

SU DCGLw (dpm/100cm2) 2360/43-93 193667 PR238112 0.101 100 1

5000 Concrete Walls Sample ID Measurement Type2 Beta Counts (gross cpm)

Background3 (cpm)

Net Fixed-Point Result (net cpm)

Beta Residual Surface Activity (dpm/100cm2)

Net Activity Exceeds DCGLw South Trench Sec 1 W-1 #1 S

212 203.4 8.6 85.3 NO South Trench Sec 1 W-1 #2 S

224 203.4 20.6 204.3 NO South Trench Sec 1 W-1 #3 S

236 203.4 32.6 323.3 NO South Trench Sec 1 W-1 #4 S

229 203.4 25.6 253.8 NO South Trench Sec 1 W-1 #5 S

247 203.4 43.6 432.3 NO South Trench Sec 1 W-1 #6 S

268 203.4 64.6 640.6 NO South Trench Sec 1 W-1 #7 S

260 203.4 56.6 561.2 NO South Trench Sec 1 W-1 #8 S

240 203.4 36.6 362.9 NO South Trench Sec 1 W-1 #9 S

235 203.4 31.6 313.3 NO South Trench Sec 1 W-1 #10 S

228 203.4 24.6 243.9 NO South Trench Sec 1 W-1 #11 S

268 203.4 64.6 640.6 NO South Trench Sec 1 W-1 #12 S

203 203.4

-0.4

-4.0 NO South Trench Sec 1 W-1 #13 S

254 203.4 50.6 501.7 NO South Trench Sec 1 W-1 #14 S

216 203.4 12.6 124.9 NO South Trench Sec 1 W-1 #15 S

136 203.4

-67.4

-668.3 NO South Trench Sec 1 W-1 #16 S

129 203.4

-74.4

-737.7 NO South Trench Sec 1 W-1 #17 S

136 203.4

-67.4

-668.3 NO South Trench Sec 1 W-1 #18 S

128 203.4

-75.4

-747.6 NO South Trench Sec 1 W-1 #19 S

122 203.4

-81.4

-807.1 NO South Trench Sec 1 W-1 #20 S

135 203.4

-68.4

-678.2 NO South Trench Sec 1 W-1 #21 S

138 203.4

-65.4

-648.5 NO South Trench Sec 1 W-1 #22 S

130 203.4

-73.4

-727.8 NO Mean

-45.4 Median 164.6 Minimum

-807.1 Maximum 640.6 Std Dev (1s) 539.4 MARSSIM Sign Test Required?

NO Does survey unit meet release criterion?

YES South Trench Sec 1 W-1 #B5 B

146 203.4

-57.4

-569.2 NO South Trench Sec 1 W-1 #C5 B

197 203.4

-6.4

-63.5 NO South Trench Sec 1 W-1 #D6 B

179 203.4

-24.4

-241.9 NO South Trench Sec 1 W-1 #K6 B

222 203.4 18.6 184.4 NO South Trench Sec 1 W-1 #L6 B

199 203.4

-4.4

-43.6 NO South Trench Sec 1 W-1 #N6 B

203 203.4

-0.4

-4.0 NO Mean

-123.0 Median

-53.5 Minimum

-569.2 Maximum 184.4 Std Dev (1s) 257.6 NOTES:

1 Instrument Efficiency = Instrument static 2-pi efficiency for beta 2

Sample Type: S = Systematic B = Biased 3

Mean of up to 5 background readings collected upon unimpacted concrete surfaces inside Building 3H/6H 4

MARSSIM (NRC, 2000) Sign Test required if a systematic measurement exceeds the DCGLw South Trench Section 1 - Wall Survey Unit 1 - Beta Static Measurement Results SU

Description:

Instrument/Probe Models Instrument S/N Probe S/N Alpha Efficiency1 Probe Active Area (cm2)

MARSSIM Class:

SU DCGLw (dpm/100cm2) 2360/43-93 193667 PR238112 0.080 100 1

5000 Concrete Walls Sample ID Measurement Type2 Alpha Counts (gross cpm)

Background3 (cpm)

Net Fixed-Point Result (net cpm)

Alpha Residual Surface Activity (dpm/100cm2)

Net Activity Exceeds DCGLw South Trench Sec 1 W-2 #1 S

7 4.6 2.4 30.0 NO South Trench Sec 1 W-2 #2 S

7 4.6 2.4 30.0 NO South Trench Sec 1 W-2 #3 S

11 4.6 6.4 79.9 NO South Trench Sec 1 W-2 #4 S

11 4.6 6.4 79.9 NO South Trench Sec 1 W-2 #5 S

7 4.6 2.4 30.0 NO South Trench Sec 1 W-2 #6 S

11 4.6 6.4 79.9 NO South Trench Sec 1 W-2 #7 S

11 4.6 6.4 79.9 NO South Trench Sec 1 W-2 #8 S

13 4.6 8.4 104.9 NO South Trench Sec 1 W-2 #9 S

5 4.6 0.4 5.0 NO South Trench Sec 1 W-2 #10 S

6 4.6 1.4 17.5 NO South Trench Sec 1 W-2 #11 S

7 4.6 2.4 30.0 NO South Trench Sec 1 W-2 #12 S

6 4.6 1.4 17.5 NO South Trench Sec 1 W-2 #13 S

6 4.6 1.4 17.5 NO South Trench Sec 1 W-2 #14 S

6 4.6 1.4 17.5 NO South Trench Sec 1 W-2 #15 S

12 4.6 7.4 92.4 NO South Trench Sec 1 W-2 #16 S

7 4.6 2.4 30.0 NO South Trench Sec 1 W-2 #17 S

10 4.6 5.4 67.5 NO South Trench Sec 1 W-2 #18 S

16 4.6 11.4 142.4 NO South Trench Sec 1 W-2 #19 S

14 4.6 9.4 117.4 NO South Trench Sec 1 W-2 #20 S

14 4.6 9.4 117.4 NO South Trench Sec 1 W-2 #21 S

14 4.6 9.4 117.4 NO South Trench Sec 1 W-2 #22 S

4 4.6

-0.6

-7.5 NO Mean 58.9 Median 48.7 Minimum

-7.5 Maximum 142.4 Std Dev (1s) 44.0 MARSSIM Sign Test Required?

NO Does survey unit meet release criterion?

YES South Trench Sec 1 W-2 #F2 B

2 4.6

-2.6

-32.5 NO South Trench Sec 1 W-2 #J2 B

8 4.6 3.4 42.5 NO South Trench Sec 1 W-2 #N2 B

3 4.6

-1.6

-20.0 NO South Trench Sec 1 W-2 #T2 B

2 4.6

-2.6

-32.5 NO South Trench Sec 1 W-2 #X2 B

9 4.6 4.4 55.0 NO Mean 2.5 Median

-20.0 Minimum

-32.5 Maximum 55.0 Std Dev (1s) 42.7 NOTES:

1 Instrument Efficiency = Instrument static 2-pi efficiency for alpha 2

Sample Type: S = Systematic B = Biased 3

Mean of up to 5 background readings collected upon unimpacted concrete surfaces inside Building 3H/6H 4

MARSSIM (NRC, 2000) Sign Test required if a systematic measurement exceeds the DCGLw South Trench Section 1 - Wall Survey Unit 2 - Alpha Static Measurement Results SU

Description:

Instrument/Probe Models Instrument S/N Probe S/N Beta Efficiency1 Probe Active Area (cm2)

MARSSIM Class:

SU DCGLw (dpm/100cm2) 2360/43-93 193667 PR238112 0.101 100 1

5000 Concrete Walls Sample ID Measurement Type2 Beta Counts (gross cpm)

Background3 (cpm)

Net Fixed-Point Result (net cpm)

Beta Residual Surface Activity (dpm/100cm2)

Net Activity Exceeds DCGLw South Trench Sec 1 W-2 #1 S

206 203.4 2.6 25.8 NO South Trench Sec 1 W-2 #2 S

194 203.4

-9.4

-93.2 NO South Trench Sec 1 W-2 #3 S

214 203.4 10.6 105.1 NO South Trench Sec 1 W-2 #4 S

190 203.4

-13.4

-132.9 NO South Trench Sec 1 W-2 #5 S

174 203.4

-29.4

-291.5 NO South Trench Sec 1 W-2 #6 S

218 203.4 14.6 144.8 NO South Trench Sec 1 W-2 #7 S

203 203.4

-0.4

-4.0 NO South Trench Sec 1 W-2 #8 S

209 203.4 5.6 55.5 NO South Trench Sec 1 W-2 #9 S

183 203.4

-20.4

-202.3 NO South Trench Sec 1 W-2 #10 S

219 203.4 15.6 154.7 NO South Trench Sec 1 W-2 #11 S

183 203.4

-20.4

-202.3 NO South Trench Sec 1 W-2 #12 S

176 203.4

-27.4

-271.7 NO South Trench Sec 1 W-2 #13 S

234 203.4 30.6 303.4 NO South Trench Sec 1 W-2 #14 S

212 203.4 8.6 85.3 NO South Trench Sec 1 W-2 #15 S

197 203.4

-6.4

-63.5 NO South Trench Sec 1 W-2 #16 S

207 203.4 3.6 35.7 NO South Trench Sec 1 W-2 #17 S

217 203.4 13.6 134.9 NO South Trench Sec 1 W-2 #18 S

225 203.4 21.6 214.2 NO South Trench Sec 1 W-2 #19 S

185 203.4

-18.4

-182.4 NO South Trench Sec 1 W-2 #20 S

200 203.4

-3.4

-33.7 NO South Trench Sec 1 W-2 #21 S

207 203.4 3.6 35.7 NO South Trench Sec 1 W-2 #22 S

232 203.4 28.6 283.6 NO Mean 4.6 Median 30.7 Minimum

-291.5 Maximum 303.4 Std Dev (1s) 170.6 MARSSIM Sign Test Required?

NO Does survey unit meet release criterion?

YES South Trench Sec 1 W-2 #F2 B

181 203.4

-22.4

-222.1 NO South Trench Sec 1 W-2 #J2 B

190 203.4

-13.4

-132.9 NO South Trench Sec 1 W-2 #N2 B

199 203.4

-4.4

-43.6 NO South Trench Sec 1 W-2 #T2 B

187 203.4

-16.4

-162.6 NO South Trench Sec 1 W-2 #X2 B

232 203.4 28.6 283.6 NO Mean

-55.5 Median

-132.9 Minimum

-222.1 Maximum 283.6 Std Dev (1s) 200.2 NOTES:

1 Instrument Efficiency = Instrument static 2-pi efficiency for beta 2

Sample Type: S = Systematic B = Biased 3

Mean of up to 5 background readings collected upon unimpacted concrete surfaces inside Building 3H/6H 4

MARSSIM (NRC, 2000) Sign Test required if a systematic measurement exceeds the DCGLw South Trench Section 1 - Wall Survey Unit 2 - Beta Static Measurement Results SU

Description:

Instrument/Probe Models Instrument S/N Probe S/N Alpha Efficiency1 Probe Active Area (cm2)

MARSSIM Class:

SU DCGLw (dpm/100cm2) 2360/43-93 276935 PR295818 0.069 100 1

5000 2360/43-93 202398 PR211706 0.073 100 1

5000 Concrete Floor Sample ID Measurement Type2 Alpha Counts (gross cpm)

Background3 (cpm)

Net Fixed-Point Result (net cpm)

Alpha Residual Surface Activity (dpm/100cm2)

Net Activity Exceeds DCGLw S Trench, Sec 2F, Syst #1 S

67 6.2 60.8 877.5 NO S Trench, Sec 2F, Syst #2 S

79 6.2 72.8 1050.7 NO S Trench, Sec 2F, Syst #3 S

21 6.2 14.8 213.6 NO S Trench, Sec 2F, Syst #4 S

72 6.2 65.8 949.7 NO S Trench, Sec 2F, Syst #5 S

63 6.2 56.8 819.8 NO S Trench, Sec 2F, Syst #6 S

26 6.2 19.8 285.8 NO S Trench, Sec 2F, Syst #7 S

117 7.4 109.6 1491.4 NO S Trench, Sec 2F, Syst #8 S

107 7.4 99.6 1355.3 NO S Trench, Sec 2F, Syst #9 S

173 7.4 165.6 2253.4 NO S Trench, Sec 2F, Syst #10 S

131 7.4 123.6 1681.9 NO S Trench, Sec 2F, Syst #11 S

106 7.4 98.6 1341.7 NO S Trench, Sec 2F, Syst #12 S

142 7.4 134.6 1831.6 NO S Trench, Sec 2F, Syst #13 S

124 7.4 116.6 1586.6 NO S Trench, Sec 2F, Syst #14 S

49 7.4 41.6 566.1 NO S Trench, Sec 2F, Syst #15 S

59 7.4 51.6 702.1 NO S Trench, Sec 2F, Syst #16 S

102 7.4 94.6 1287.3 NO S Trench, Sec 2F, Syst #17 S

58 7.4 50.6 688.5 NO S Trench, Sec 2F, Syst #18 S

197 6.2 190.8 2753.7 NO S Trench, Sec 2F, Syst #19 S

120 6.2 113.8 1642.4 NO S Trench, Sec 2F, Syst #20 S

64 6.2 57.8 834.2 NO S Trench, Sec 2F, Syst #21 S

46 6.2 39.8 574.4 NO S Trench, Sec 2F, Syst #22 S

55 6.2 48.8 704.3 NO S Trench, Sec 2F, Syst #23 S

35 6.2 28.8 415.7 NO Mean 1126.4 Median 949.7 Minimum 213.6 Maximum 2753.7 Std Dev (1s) 637.9 MARSSIM Sign Test Required?

NO Does survey unit meet release criterion?

YES STrench, Section 2F, Grid 15A B

128 7.4 120.6 1641.1 NO STrench, Section 2F, Grid 15B B

172 7.4 164.6 2239.8 NO STrench, Section 2F, Grid 16A B

126 7.4 118.6 1613.9 NO STrench, Section 2F, Grid 16B B

131 7.4 123.6 1681.9 NO STrench, Section 2F, Grid 17A B

155 7.4 147.6 2008.5 NO STrench, Section 2F, Grid 17B B

177 7.4 169.6 2307.8 NO STrench, Section 2F, Grid 8A B

184 7.4 176.6 2403.1 NO STrench, Section 2F, Grid 7A B

101 7.4 93.6 1273.7 NO STrench, Section 2F, Grid 5A B

199 7.4 191.6 2607.2 NO STrench, Section 2F, Grid 4A B

161 7.4 153.6 2090.1 NO STrench, Section 2F, Grid 3A B

172 7.4 164.6 2239.8 NO STrench, Section 2F, Grid 2A B

117 7.4 109.6 1491.4 NO STrench, Section 2F, Grid 1A B

142 7.4 134.6 1831.6 NO STrench, Section 2F, Grid 18A B

160 7.4 152.6 2076.5 NO STrench, Section 2F, Grid 18B B

163 7.4 155.6 2117.3 NO STrench, Section 2F, Grid 18C B

167 7.4 159.6 2171.8 NO STrench, Section 2F, Grid 19A B

166 7.4 158.6 2158.2 NO STrench, Section 2F, Grid 19B B

117 7.4 109.6 1491.4 NO STrench, Section 2F, Grid 20 B

81 7.4 73.6 1001.5 NO STrench, Section 2F, Grid 21A B

121 7.4 113.6 1545.8 NO STrench, Section 2F, Grid 21B B

143 7.4 135.6 1845.2 NO STrench, Section 2F, Grid 22 B

34 7.4 26.6 362.0 NO STrench, Section 2F, Grid 23A B

168 7.4 160.6 2185.4 NO STrench, Section 2F, Grid 23B B

42 7.4 34.6 470.8 NO STrench, Section 2F, Grid 24 B

170 7.4 162.6 2212.6 NO STrench, Section 2F, Grid 25 B

149 7.4 141.6 1926.8 NO Mean 1807.5 Median 1967.6 Minimum 362.0 Maximum 2607.2 Std Dev (1s) 553.0 NOTES:

1 Instrument Efficiency = Instrument static 2-pi efficiency for alpha 2

Sample Type: S = Systematic B = Biased 3

Mean of up to 5 background readings collected upon unimpacted concrete surfaces inside Building 3H/6H 4

MARSSIM (NRC, 2000) Sign Test required if a systematic measurement exceeds the DCGLw South Trench Section 2 - Floor Survey Unit - Alpha Static Measurement Results SU

Description:

Instrument/Probe Models Instrument S/N Probe S/N Beta Efficiency1 Probe Active Area (cm2)

MARSSIM Class:

SU DCGLw (dpm/100cm2) 2360/43-93 276935 PR295818 0.089 100 1

5000 2360/43-93 202398 PR211706 0.083 100 1

5000 Concrete Floor Sample ID Measurement Type2 Beta Counts (gross cpm)

Background3 (cpm)

Net Fixed-Point Result (net cpm)

Beta Residual Surface Activity (dpm/100cm2)

Net Activity Exceeds DCGLw S Trench, Sec 2F, Syst #1 S

190 172.6 17.4 194.6 NO S Trench, Sec 2F, Syst #2 S

207 172.6 34.4 384.6 NO S Trench, Sec 2F, Syst #3 S

159 172.6

-13.6

-152.1 NO S Trench, Sec 2F, Syst #4 S

183 172.6 10.4 116.3 NO S Trench, Sec 2F, Syst #5 S

191 172.6 18.4 205.7 NO S Trench, Sec 2F, Syst #6 S

132 172.6

-40.6

-454.0 NO S Trench, Sec 2F, Syst #7 S

360 260.6 99.4 1192.4 NO S Trench, Sec 2F, Syst #8 S

320 260.6 59.4 712.5 NO S Trench, Sec 2F, Syst #9 S

372 260.6 111.4 1336.3 NO S Trench, Sec 2F, Syst #10 S

302 260.6 41.4 496.6 NO S Trench, Sec 2F, Syst #11 S

328 260.6 67.4 808.5 NO S Trench, Sec 2F, Syst #12 S

358 260.6 97.4 1168.4 NO S Trench, Sec 2F, Syst #13 S

356 260.6 95.4 1144.4 NO S Trench, Sec 2F, Syst #14 S

255 260.6

-5.6

-67.2 NO S Trench, Sec 2F, Syst #15 S

290 260.6 29.4 352.7 NO S Trench, Sec 2F, Syst #16 S

291 260.6 30.4 364.7 NO S Trench, Sec 2F, Syst #17 S

279 260.6 18.4 220.7 NO S Trench, Sec 2F, Syst #18 S

281 172.6 108.4 1212.1 NO S Trench, Sec 2F, Syst #19 S

242 172.6 69.4 776.0 NO S Trench, Sec 2F, Syst #20 S

214 172.6 41.4 462.9 NO S Trench, Sec 2F, Syst #21 S

162 172.6

-10.6

-118.5 NO S Trench, Sec 2F, Syst #22 S

159 172.6

-13.6

-152.1 NO S Trench, Sec 2F, Syst #23 S

171 172.6

-1.6

-17.9 NO Mean 442.9 Median 364.7 Minimum

-454.0 Maximum 1336.3 Std Dev (1s) 517.1 MARSSIM Sign Test Required?

NO Does survey unit meet release criterion?

YES STrench, Section 2F, Grid 15A B

334 260.6 73.4 880.5 NO STrench, Section 2F, Grid 15B B

407 260.6 146.4 1756.2 NO STrench, Section 2F, Grid 16A B

310 260.6 49.4 592.6 NO STrench, Section 2F, Grid 16B B

362 260.6 101.4 1216.4 NO STrench, Section 2F, Grid 17A B

276 260.6 15.4 184.7 NO STrench, Section 2F, Grid 17B B

409 260.6 148.4 1780.2 NO STrench, Section 2F, Grid 8A B

419 260.6 158.4 1900.1 NO STrench, Section 2F, Grid 7A B

358 260.6 97.4 1168.4 NO STrench, Section 2F, Grid 5A B

402 260.6 141.4 1696.2 NO STrench, Section 2F, Grid 4A B

364 260.6 103.4 1240.4 NO STrench, Section 2F, Grid 3A B

338 260.6 77.4 928.5 NO STrench, Section 2F, Grid 2A B

408 260.6 147.4 1768.2 NO STrench, Section 2F, Grid 1A B

357 260.6 96.4 1156.4 NO STrench, Section 2F, Grid 18A B

288 260.6 27.4 328.7 NO STrench, Section 2F, Grid 18B B

337 260.6 76.4 916.5 NO STrench, Section 2F, Grid 18C B

342 260.6 81.4 976.4 NO STrench, Section 2F, Grid 19A B

314 260.6 53.4 640.6 NO STrench, Section 2F, Grid 19B B

290 260.6 29.4 352.7 NO STrench, Section 2F, Grid 20 B

236 260.6

-24.6

-295.1 NO STrench, Section 2F, Grid 21A B

251 260.6

-9.6

-115.2 NO STrench, Section 2F, Grid 21B B

320 260.6 59.4 712.5 NO STrench, Section 2F, Grid 22 B

236 260.6

-24.6

-295.1 NO STrench, Section 2F, Grid 23A B

284 260.6 23.4 280.7 NO STrench, Section 2F, Grid 23B B

232 260.6

-28.6

-343.1 NO STrench, Section 2F, Grid 24 B

320 260.6 59.4 712.5 NO STrench, Section 2F, Grid 25 B

296 260.6 35.4 424.6 NO Mean 791.0 Median 796.5 Minimum

-343.1 Maximum 1900.1 Std Dev (1s) 674.1 NOTES:

1 Instrument Efficiency = Instrument static 2-pi efficiency for beta 2

Sample Type: S = Systematic B = Biased 3

Mean of up to 5 background readings collected upon unimpacted concrete surfaces inside Building 3H/6H 4

MARSSIM (NRC, 2000) Sign Test required if a systematic measurement exceeds the DCGLw South Trench Section 2 - Floor Survey Unit - Beta Static Measurement Results SU

Description:

Instrument/Probe Models Instrument S/N Probe S/N Alpha Efficiency1 Probe Active Area (cm2)

MARSSIM Class:

SU DCGLw (dpm/100cm2) 2360/43-93 276935 PR295818 0.069 100 1

5000 2224-1/43-93 162425 PR182403 0.076 100 1

5000 Concrete Walls Sample ID Measurement Type2 Alpha Counts (gross cpm)

Background3 (cpm)

Net Fixed-Point Result (net cpm)

Alpha Residual Surface Activity (dpm/100cm2)

Net Activity Exceeds DCGLw S Trench, Sec 2W, Syst #1 S

4 6.2

-2.2

-31.8 NO S Trench, Sec 2W, Syst #2 S

10 6.2 3.8 54.8 NO S Trench, Sec 2W, Syst #3 S

9 6.2 2.8 40.4 NO S Trench, Sec 2W, Syst #4 S

7 6.2 0.8 11.5 NO S Trench, Sec 2W, Syst #5 S

8 6.2 1.8 26.0 NO S Trench, Sec 2W, Syst #6 S

10 6.2 3.8 54.8 NO S Trench, Sec 2W, Syst #7 S

6 6.2

-0.2

-2.9 NO S Trench, Sec 2W, Syst #8 S

3 6.2

-3.2

-46.2 NO S Trench, Sec 2W, Syst #9 S

4 6.2

-2.2

-31.8 NO S Trench, Sec 2W, Syst #10 S

3 6.2

-3.2

-46.2 NO S Trench, Sec 2W, Syst #11 S

8 6.2 1.8 26.0 NO S Trench, Sec 2W, Syst #12 S

2 6.2

-4.2

-60.6 NO S Trench, Sec 2W, Syst #13 S

4 6.2

-2.2

-31.8 NO S Trench, Sec 2W, Syst #14 S

7 6.2 0.8 11.5 NO S Trench, Sec 2W, Syst #15 S

4 6.2

-2.2

-31.8 NO S Trench, Sec 2W, Syst #16 S

15 6.2 8.8 127.0 NO S Trench, Sec 2W, Syst #17 S

7 6.2 0.8 11.5 NO S Trench, Sec 2W, Syst #18 S

10 6.2 3.8 54.8 NO S Trench, Sec 2W, Syst #19 S

8 6.2 1.8 26.0 NO S Trench, Sec 2W, Syst #20 S

7 6.2 0.8 11.5 NO S Trench, Sec 2W, Syst #21 S

4 6.2

-2.2

-31.8 NO S Trench, Sec 2W, Syst #22 S

5 6.2

-1.2

-17.3 NO Mean 5.6 Median 11.5 Minimum

-60.6 Maximum 127.0 Std Dev (1s) 44.7 MARSSIM Sign Test Required?

NO Does survey unit meet release criterion?

YES South Trench Sec 2 W #W1-9 B

127 4.2 122.8 1612.1 NO South Trench Sec 2 W #W1-10 B

317 4.2 312.8 4106.5 NO South Trench Sec 2 W #W1-11 B

170 4.2 165.8 2176.6 NO South Trench Sec 2 W #W1-12 B

209 4.2 204.8 2688.6 NO South Trench Sec 2 W #W1-23 B

36 4.2 31.8 417.5 NO South Trench Sec 2 W #W2-2 B

54 4.2 49.8 653.8 NO South Trench Sec 2 W #W2-13 B

24 4.2 19.8 259.9 NO Mean 1702.2 Median 1612.1 Minimum 259.9 Maximum 4106.5 Std Dev (1s) 1403.4 NOTES:

1 Instrument Efficiency = Instrument static 2-pi efficiency for alpha 2

Sample Type: S = Systematic B = Biased 3

Mean of up to 5 background readings collected upon unimpacted concrete surfaces inside Building 3H/6H 4

MARSSIM (NRC, 2000) Sign Test required if a systematic measurement exceeds the DCGLw South Trench Section 2 - Wall Survey Unit - Alpha Static Measurement Results SU

Description:

Instrument/Probe Models Instrument S/N Probe S/N Beta Efficiency1 Probe Active Area (cm2)

MARSSIM Class:

SU DCGLw (dpm/100cm2) 2360/43-93 276935 PR295818 0.089 100 1

5000 2224-1/43-93 162425 PR182403 0.112 100 1

5000 Concrete Walls Sample ID Measurement Type2 Beta Counts (gross cpm)

Background3 (cpm)

Net Fixed-Point Result (net cpm)

Beta Residual Surface Activity (dpm/100cm2)

Net Activity Exceeds DCGLw S Trench, Sec 2W, Syst #1 S

143 172.6

-29.6

-331.0 NO S Trench, Sec 2W, Syst #2 S

127 172.6

-45.6

-509.9 NO S Trench, Sec 2W, Syst #3 S

155 172.6

-17.6

-196.8 NO S Trench, Sec 2W, Syst #4 S

120 172.6

-52.6

-588.1 NO S Trench, Sec 2W, Syst #5 S

144 172.6

-28.6

-319.8 NO S Trench, Sec 2W, Syst #6 S

161 172.6

-11.6

-129.7 NO S Trench, Sec 2W, Syst #7 S

137 172.6

-35.6

-317.8 NO S Trench, Sec 2W, Syst #8 S

124 172.6

-48.6

-433.8 NO S Trench, Sec 2W, Syst #9 S

130 172.6

-42.6

-380.2 NO S Trench, Sec 2W, Syst #10 S

133 172.6

-39.6

-353.5 NO S Trench, Sec 2W, Syst #11 S

118 172.6

-54.6

-487.3 NO S Trench, Sec 2W, Syst #12 S

126 172.6

-46.6

-415.9 NO S Trench, Sec 2W, Syst #13 S

120 172.6

-52.6

-469.5 NO S Trench, Sec 2W, Syst #14 S

143 172.6

-29.6

-264.2 NO S Trench, Sec 2W, Syst #15 S

143 172.6

-29.6

-264.2 NO S Trench, Sec 2W, Syst #16 S

142 172.6

-30.6

-273.1 NO S Trench, Sec 2W, Syst #17 S

160 172.6

-12.6

-112.5 NO S Trench, Sec 2W, Syst #18 S

138 172.6

-34.6

-386.9 NO S Trench, Sec 2W, Syst #19 S

160 172.6

-12.6

-140.9 NO S Trench, Sec 2W, Syst #20 S

175 172.6 2.4 26.8 NO S Trench, Sec 2W, Syst #21 S

139 172.6

-33.6

-375.7 NO S Trench, Sec 2W, Syst #22 S

147 172.6

-25.6

-286.2 NO Mean

-318.6 Median

-325.4 Minimum

-588.1 Maximum 26.8 Std Dev (1s) 146.3 MARSSIM Sign Test Required?

NO Does survey unit meet release criterion?

YES South Trench Sec 2 W #W1-9 B

277 283.8

-6.8

-76.0 NO South Trench Sec 2 W #W1-10 B

307 283.8 23.2 207.1 NO South Trench Sec 2 W #W1-11 B

307 283.8 23.2 207.1 NO South Trench Sec 2 W #W1-12 B

296 283.8 12.2 108.9 NO South Trench Sec 2 W #W1-23 B

303 283.8 19.2 171.4 NO South Trench Sec 2 W #W2-2 B

292 283.8 8.2 73.2 NO South Trench Sec 2 W #W2-13 B

256 283.8

-27.8

-248.1 NO Mean 63.3 Median 108.9 Minimum

-248.1 Maximum 207.1 Std Dev (1s) 169.1 NOTES:

1 Instrument Efficiency = Instrument static 2-pi efficiency for beta 2

Sample Type: S = Systematic B = Biased 3

Mean of up to 5 background readings collected upon unimpacted concrete surfaces inside Building 3H/6H 4

MARSSIM (NRC, 2000) Sign Test required if a systematic measurement exceeds the DCGLw South Trench Section 2 - Wall Survey Unit - Beta Static Measurement Results SU

Description:

Instrument/Probe Models Instrument S/N Probe S/N Alpha Efficiency1 Probe Active Area (cm2)

MARSSIM Class:

SU DCGLw (dpm/100cm2) 2360/43-93 202398 PR211706 0.073 100 1

5000 Concrete Floor Sample ID Measurement Type2 Alpha Counts (gross cpm)

Background3 (cpm)

Net Fixed-Point Result (net cpm)

Alpha Residual Surface Activity (dpm/100cm2)

Net Activity Exceeds DCGLw STrench, Sec 3F, Sys #1 S

3 7.4

-4.4

-59.9 NO STrench, Sec 3F, Sys #2 S

2 7.4

-5.4

-73.5 NO STrench, Sec 3F, Sys #3 S

5 7.4

-2.4

-32.7 NO STrench, Sec 3F, Sys #4 S

22 7.4 14.6 198.7 NO STrench, Sec 3F, Sys #5 S

7 7.4

-0.4

-5.4 NO STrench, Sec 3F, Sys #6 S

33 7.4 25.6 348.4 NO STrench, Sec 3F, Sys #7 S

14 7.4 6.6 89.8 NO STrench, Sec 3F, Sys #8 S

32 7.4 24.6 334.7 NO STrench, Sec 3F, Sys #9 S

22 7.4 14.6 198.7 NO STrench, Sec 3F, Sys #10 S

11 7.4 3.6 49.0 NO STrench, Sec 3F, Sys #11 S

29 7.4 21.6 293.9 NO STrench, Sec 3F, Sys #12 S

27 7.4 19.6 266.7 NO STrench, Sec 3F, Sys #13 S

36 7.4 28.6 389.2 NO STrench, Sec 3F, Sys #14 S

25 7.4 17.6 239.5 NO STrench, Sec 3F, Sys #15 S

14 7.4 6.6 89.8 NO STrench, Sec 3F, Sys #16 S

22 7.4 14.6 198.7 NO STrench, Sec 3F, Sys #17 S

28 7.4 20.6 280.3 NO STrench, Sec 3F, Sys #18 S

17 7.4 9.6 130.6 NO STrench, Sec 3F, Sys #19 S

19 7.4 11.6 157.8 NO STrench, Sec 3F, Sys #20 S

12 7.4 4.6 62.6 NO STrench, Sec 3F, Sys #21 S

23 7.4 15.6 212.3 NO STrench, Sec 3F, Sys #22 S

7 7.4

-0.4

-5.4 NO Mean 152.9 Median 198.7 Minimum

-73.5 Maximum 389.2 Std Dev (1s) 138.4 MARSSIM Sign Test Required?

NO Does survey unit meet release criterion?

YES STrench, Sec 3 F, Grid# F11 B

68 7.4 60.6 824.6 NO STrench, Sec 3 Branch Off 2, F Grid# 1 B

5 7.4

-2.4

-32.7 NO Mean 396.0 Median 396.0 Minimum

-32.7 Maximum 824.6 Std Dev (1s) 606.2 NOTES:

1 Instrument Efficiency = Instrument static 2-pi efficiency for alpha 2

Sample Type: S = Systematic B = Biased 3

Mean of up to 5 background readings collected upon unimpacted concrete surfaces inside Building 3H/6H 4

MARSSIM (NRC, 2000) Sign Test required if a systematic measurement exceeds the DCGLw South Trench Section 3 - Floor Survey Unit - Alpha Static Measurement Results SU

Description:

Instrument/Probe Models Instrument S/N Probe S/N Beta Efficiency1 Probe Active Area (cm2)

MARSSIM Class:

SU DCGLw (dpm/100cm2) 2360/43-93 202398 PR211706 0.083 100 1

5000 Concrete Floor Sample ID Measurement Type2 Beta Counts (gross cpm)

Background3 (cpm)

Net Fixed-Point Result (net cpm)

Beta Residual Surface Activity (dpm/100cm2)

Net Activity Exceeds DCGLw STrench, Sec 3F, Sys #1 S

213 260.6

-47.6

-571.0 NO STrench, Sec 3F, Sys #2 S

210 260.6

-50.6

-607.0 NO STrench, Sec 3F, Sys #3 S

197 260.6

-63.6

-762.9 NO STrench, Sec 3F, Sys #4 S

236 260.6

-24.6

-295.1 NO STrench, Sec 3F, Sys #5 S

243 260.6

-17.6

-211.1 NO STrench, Sec 3F, Sys #6 S

292 260.6 31.4 376.7 NO STrench, Sec 3F, Sys #7 S

232 260.6

-28.6

-343.1 NO STrench, Sec 3F, Sys #8 S

283 260.6 22.4 268.7 NO STrench, Sec 3F, Sys #9 S

293 260.6 32.4 388.7 NO STrench, Sec 3F, Sys #10 S

266 260.6 5.4 64.8 NO STrench, Sec 3F, Sys #11 S

296 260.6 35.4 424.6 NO STrench, Sec 3F, Sys #12 S

251 260.6

-9.6

-115.2 NO STrench, Sec 3F, Sys #13 S

293 260.6 32.4 388.7 NO STrench, Sec 3F, Sys #14 S

282 260.6 21.4 256.7 NO STrench, Sec 3F, Sys #15 S

263 260.6 2.4 28.8 NO STrench, Sec 3F, Sys #16 S

243 260.6

-17.6

-211.1 NO STrench, Sec 3F, Sys #17 S

310 260.6 49.4 592.6 NO STrench, Sec 3F, Sys #18 S

281 260.6 20.4 244.7 NO STrench, Sec 3F, Sys #19 S

218 260.6

-42.6

-511.0 NO STrench, Sec 3F, Sys #20 S

260 260.6

-0.6

-7.2 NO STrench, Sec 3F, Sys #21 S

269 260.6 8.4 100.8 NO STrench, Sec 3F, Sys #22 S

232 260.6

-28.6

-343.1 NO Mean

-38.3 Median 28.8 Minimum

-762.9 Maximum 592.6 Std Dev (1s) 385.4 MARSSIM Sign Test Required?

NO Does survey unit meet release criterion?

YES STrench, Sec 3 F, Grid# F11 B

301 260.6 40.4 484.6 NO STrench, Sec 3 Branch Off 2, F Grid# 1 B

259 260.6

-1.6

-19.2 NO Mean 232.7 Median 232.7 Minimum

-19.2 Maximum 484.6 Std Dev (1s) 356.3 NOTES:

1 Instrument Efficiency = Instrument static 2-pi efficiency for beta 2

Sample Type: S = Systematic B = Biased 3

Mean of up to 5 background readings collected upon unimpacted concrete surfaces inside Building 3H/6H 4

MARSSIM (NRC, 2000) Sign Test required if a systematic measurement exceeds the DCGLw South Trench Section 3 - Floor Survey Unit - Beta Static Measurement Results SU

Description:

Instrument/Probe Models Instrument S/N Probe S/N Alpha Efficiency1 Probe Active Area (cm2)

MARSSIM Class:

SU DCGLw (dpm/100cm2) 2360/43-93 202398 PR211706 0.073 100 1

5000 Concrete Walls Sample ID Measurement Type2 Alpha Counts (gross cpm)

Background3 (cpm)

Net Fixed-Point Result (net cpm)

Alpha Residual Surface Activity (dpm/100cm2)

Net Activity Exceeds DCGLw STrench, Sec 3W1, Sys #1 S

1 7.4

-6.4

-87.1 NO STrench, Sec 3W1, Sys #2 S

8 7.4 0.6 8.2 NO STrench, Sec 3W1, Sys #3 S

9 7.4 1.6 21.8 NO STrench, Sec 3W1, Sys #4 S

14 7.4 6.6 89.8 NO STrench, Sec 3W1, Sys #5 S

4 7.4

-3.4

-46.3 NO STrench, Sec 3W1, Sys #6 S

8 7.4 0.6 8.2 NO STrench, Sec 3W1, Sys #7 S

3 7.4

-4.4

-59.9 NO STrench, Sec 3W1, Sys #8 S

6 7.4

-1.4

-19.1 NO STrench, Sec 3W1, Sys #9 S

6 7.4

-1.4

-19.1 NO STrench, Sec 3W1, Sys #10 S

6 7.4

-1.4

-19.1 NO STrench, Sec 3W1, Sys #11 S

8 7.4 0.6 8.2 NO STrench, Sec 3W1, Sys #12 S

4 7.4

-3.4

-46.3 NO STrench, Sec 3W1, Sys #13 S

4 7.4

-3.4

-46.3 NO STrench, Sec 3W1, Sys #14 S

8 7.4 0.6 8.2 NO STrench, Sec 3W1, Sys #15 S

3 7.4

-4.4

-59.9 NO STrench, Sec 3W1, Sys #16 S

6 7.4

-1.4

-19.1 NO STrench, Sec 3W1, Sys #17 S

3 7.4

-4.4

-59.9 NO STrench, Sec 3W1, Sys #18 S

2 7.4

-5.4

-73.5 NO STrench, Sec 3W1, Sys #19 S

4 7.4

-3.4

-46.3 NO STrench, Sec 3W1, Sys #20 S

6 7.4

-1.4

-19.1 NO STrench, Sec 3W1, Sys #21 S

7 7.4

-0.4

-5.4 NO STrench, Sec 3W1, Sys #22 S

4 7.4

-3.4

-46.3 NO Mean

-24.0 Median

-19.1 Minimum

-87.1 Maximum 89.8 Std Dev (1s) 39.3 MARSSIM Sign Test Required?

NO Does survey unit meet release criterion?

YES STrench, Sec 3 W1, Grid# 86 B

12 7.4 4.6 62.6 NO STrench, Sec 3 Branch Off 1, W2 Grid# 11 B

29 7.4 21.6 293.9 NO STrench, Sec 3 Branch Off 1, W2 Grid# 6 B

17 7.4 9.6 130.6 NO STrench, Sec 3 W2 Grid# 67 B

18 7.4 10.6 144.2 NO Mean 157.8 Median 137.4 Minimum 62.6 Maximum 293.9 Std Dev (1s) 97.5 NOTES:

1 Instrument Efficiency = Instrument static 2-pi efficiency for alpha 2

Sample Type: S = Systematic B = Biased 3

Mean of up to 5 background readings collected upon unimpacted concrete surfaces inside Building 3H/6H 4

MARSSIM (NRC, 2000) Sign Test required if a systematic measurement exceeds the DCGLw South Trench Section 3 - Wall Survey Unit 1 - Alpha Static Measurement Results SU

Description:

Instrument/Probe Models Instrument S/N Probe S/N Beta Efficiency1 Probe Active Area (cm2)

MARSSIM Class:

SU DCGLw (dpm/100cm2) 2360/43-93 202398 PR211706 0.083 100 1

5000 Concrete Walls Sample ID Measurement Type2 Beta Counts (gross cpm)

Background3 (cpm)

Net Fixed-Point Result (net cpm)

Beta Residual Surface Activity (dpm/100cm2)

Net Activity Exceeds DCGLw STrench, Sec 3W1, Sys #1 S

143 260.6

-117.6

-1410.7 NO STrench, Sec 3W1, Sys #2 S

165 260.6

-95.6

-1146.8 NO STrench, Sec 3W1, Sys #3 S

145 260.6

-115.6

-1386.7 NO STrench, Sec 3W1, Sys #4 S

149 260.6

-111.6

-1338.7 NO STrench, Sec 3W1, Sys #5 S

170 260.6

-90.6

-1086.8 NO STrench, Sec 3W1, Sys #6 S

152 260.6

-108.6

-1302.7 NO STrench, Sec 3W1, Sys #7 S

139 260.6

-121.6

-1458.7 NO STrench, Sec 3W1, Sys #8 S

152 260.6

-108.6

-1302.7 NO STrench, Sec 3W1, Sys #9 S

156 260.6

-104.6

-1254.7 NO STrench, Sec 3W1, Sys #10 S

140 260.6

-120.6

-1446.7 NO STrench, Sec 3W1, Sys #11 S

148 260.6

-112.6

-1350.7 NO STrench, Sec 3W1, Sys #12 S

154 260.6

-106.6

-1278.7 NO STrench, Sec 3W1, Sys #13 S

140 260.6

-120.6

-1446.7 NO STrench, Sec 3W1, Sys #14 S

163 260.6

-97.6

-1170.8 NO STrench, Sec 3W1, Sys #15 S

153 260.6

-107.6

-1290.7 NO STrench, Sec 3W1, Sys #16 S

140 260.6

-120.6

-1446.7 NO STrench, Sec 3W1, Sys #17 S

138 260.6

-122.6

-1470.7 NO STrench, Sec 3W1, Sys #18 S

143 260.6

-117.6

-1410.7 NO STrench, Sec 3W1, Sys #19 S

146 260.6

-114.6

-1374.7 NO STrench, Sec 3W1, Sys #20 S

143 260.6

-117.6

-1410.7 NO STrench, Sec 3W1, Sys #21 S

164 260.6

-96.6

-1158.8 NO STrench, Sec 3W1, Sys #22 S

166 260.6

-94.6

-1134.8 NO Mean

-1321.8 Median

-1338.7 Minimum

-1470.7 Maximum

-1086.8 Std Dev (1s) 119.1 MARSSIM Sign Test Required?

NO Does survey unit meet release criterion?

YES STrench, Sec 3 W1, Grid# 86 B

261 260.6 0.4 4.8 NO STrench, Sec 3 Branch Off 1, W2 Grid# 11 B

261 260.6 0.4 4.8 NO STrench, Sec 3 Branch Off 1, W2 Grid# 6 B

241 260.6

-19.6

-235.1 NO STrench, Sec 3 W2 Grid# 67 B

244 260.6

-16.6

-199.1 NO Mean

-106.2 Median

-97.2 Minimum

-235.1 Maximum 4.8 Std Dev (1s) 129.0 NOTES:

1 Instrument Efficiency = Instrument static 2-pi efficiency for beta 2

Sample Type: S = Systematic B = Biased 3

Mean of up to 5 background readings collected upon unimpacted concrete surfaces inside Building 3H/6H 4

MARSSIM (NRC, 2000) Sign Test required if a systematic measurement exceeds the DCGLw South Trench Section 3 - Wall Survey Unit 1 - Beta Static Measurement Results SU

Description:

Instrument/Probe Models Instrument S/N Probe S/N Alpha Efficiency1 Probe Active Area (cm2)

MARSSIM Class:

SU DCGLw (dpm/100cm2) 2360/43-93 202398 PR211706 0.073 100 1

5000 Concrete Walls Sample ID Measurement Type2 Alpha Counts (gross cpm)

Background3 (cpm)

Net Fixed-Point Result (net cpm)

Alpha Residual Surface Activity (dpm/100cm2)

Net Activity Exceeds DCGLw STrench, Sec 3W2, Sys #1 S

12 7.4 4.6 62.6 NO STrench, Sec 3W2, Sys #2 S

10 7.4 2.6 35.4 NO STrench, Sec 3W2, Sys #3 S

11 7.4 3.6 49.0 NO STrench, Sec 3W2, Sys #4 S

6 7.4

-1.4

-19.1 NO STrench, Sec 3W2, Sys #5 S

7 7.4

-0.4

-5.4 NO STrench, Sec 3W2, Sys #6 S

5 7.4

-2.4

-32.7 NO STrench, Sec 3W2, Sys #7 S

8 7.4 0.6 8.2 NO STrench, Sec 3W2, Sys #8 S

3 7.4

-4.4

-59.9 NO STrench, Sec 3W2, Sys #9 S

3 7.4

-4.4

-59.9 NO STrench, Sec 3W2, Sys #10 S

17 7.4 9.6 130.6 NO STrench, Sec 3W2, Sys #11 S

3 7.4

-4.4

-59.9 NO STrench, Sec 3W2, Sys #12 S

14 7.4 6.6 89.8 NO STrench, Sec 3W2, Sys #13 S

5 7.4

-2.4

-32.7 NO STrench, Sec 3W2, Sys #14 S

14 7.4 6.6 89.8 NO STrench, Sec 3W2, Sys #15 S

11 7.4 3.6 49.0 NO STrench, Sec 3W2, Sys #16 S

6 7.4

-1.4

-19.1 NO STrench, Sec 3W2, Sys #17 S

30 7.4 22.6 307.5 NO STrench, Sec 3W2, Sys #18 S

7 7.4

-0.4

-5.4 NO STrench, Sec 3W2, Sys #19 S

7 7.4

-0.4

-5.4 NO STrench, Sec 3W2, Sys #20 S

5 7.4

-2.4

-32.7 NO STrench, Sec 3W2, Sys #21 S

166 7.4 158.6 2158.2 NO STrench, Sec 3W2, Sys #22 S

3 7.4

-4.4

-59.9 NO Mean 117.6 Median

-5.4 Minimum

-59.9 Maximum 2158.2 Std Dev (1s) 463.4 MARSSIM Sign Test Required?

NO Does survey unit meet release criterion?

YES STrench, Sec 3 W2 Grid# 37 B

13 7.4 5.6 76.2 NO STrench, Sec 3 W1, Grid# 54 B

4 7.4

-3.4

-46.3 NO STrench, Sec 3 W1, Grid# 42 B

8 7.4 0.6 8.2 NO Mean 12.7 Median 8.2 Minimum

-46.3 Maximum 76.2 Std Dev (1s) 61.4 NOTES:

1 Instrument Efficiency = Instrument static 2-pi efficiency for alpha 2

Sample Type: S = Systematic B = Biased 3

Mean of up to 5 background readings collected upon unimpacted concrete surfaces inside Building 3H/6H 4

MARSSIM (NRC, 2000) Sign Test required if a systematic measurement exceeds the DCGLw South Trench Section 3 - Wall Survey Unit 2 - Alpha Static Measurement Results SU

Description:

Instrument/Probe Models Instrument S/N Probe S/N Beta Efficiency1 Probe Active Area (cm2)

MARSSIM Class:

SU DCGLw (dpm/100cm2) 2360/43-93 202398 PR211706 0.083 100 1

5000 Concrete Walls Sample ID Measurement Type2 Beta Counts (gross cpm)

Background3 (cpm)

Net Fixed-Point Result (net cpm)

Beta Residual Surface Activity (dpm/100cm2)

Net Activity Exceeds DCGLw STrench, Sec 3W2, Sys #1 S

206 260.6

-54.6

-655.0 NO STrench, Sec 3W2, Sys #2 S

203 260.6

-57.6

-691.0 NO STrench, Sec 3W2, Sys #3 S

175 260.6

-85.6

-1026.8 NO STrench, Sec 3W2, Sys #4 S

226 260.6

-34.6

-415.1 NO STrench, Sec 3W2, Sys #5 S

209 260.6

-51.6

-619.0 NO STrench, Sec 3W2, Sys #6 S

203 260.6

-57.6

-691.0 NO STrench, Sec 3W2, Sys #7 S

204 260.6

-56.6

-679.0 NO STrench, Sec 3W2, Sys #8 S

201 260.6

-59.6

-714.9 NO STrench, Sec 3W2, Sys #9 S

198 260.6

-62.6

-750.9 NO STrench, Sec 3W2, Sys #10 S

211 260.6

-49.6

-595.0 NO STrench, Sec 3W2, Sys #11 S

191 260.6

-69.6

-834.9 NO STrench, Sec 3W2, Sys #12 S

248 260.6

-12.6

-151.1 NO STrench, Sec 3W2, Sys #13 S

201 260.6

-59.6

-714.9 NO STrench, Sec 3W2, Sys #14 S

241 260.6

-19.6

-235.1 NO STrench, Sec 3W2, Sys #15 S

217 260.6

-43.6

-523.0 NO STrench, Sec 3W2, Sys #16 S

215 260.6

-45.6

-547.0 NO STrench, Sec 3W2, Sys #17 S

264 260.6 3.4 40.8 NO STrench, Sec 3W2, Sys #18 S

222 260.6

-38.6

-463.0 NO STrench, Sec 3W2, Sys #19 S

241 260.6

-19.6

-235.1 NO STrench, Sec 3W2, Sys #20 S

194 260.6

-66.6

-798.9 NO STrench, Sec 3W2, Sys #21 S

295 260.6 34.4 412.7 NO STrench, Sec 3W2, Sys #22 S

225 260.6

-35.6

-427.0 NO Mean

-514.3 Median

-595.0 Minimum

-1026.8 Maximum 412.7 Std Dev (1s) 322.6 MARSSIM Sign Test Required?

NO Does survey unit meet release criterion?

YES STrench, Sec 3 W2 Grid# 37 B

218 260.6

-42.6

-511.0 NO STrench, Sec 3 W1, Grid# 54 B

215 260.6

-45.6

-547.0 NO STrench, Sec 3 W1, Grid# 42 B

223 260.6

-37.6

-451.0 NO Mean

-503.0 Median

-511.0 Minimum

-547.0 Maximum

-451.0 Std Dev (1s) 48.5 NOTES:

1 Instrument Efficiency = Instrument static 2-pi efficiency for beta 2

Sample Type: S = Systematic B = Biased 3

Mean of up to 5 background readings collected upon unimpacted concrete surfaces inside Building 3H/6H 4

MARSSIM (NRC, 2000) Sign Test required if a systematic measurement exceeds the DCGLw South Trench Section 3 - Wall Survey Unit 2 - Beta Static Measurement Results SU

Description:

Instrument/Probe Models Instrument S/N Probe S/N Alpha Efficiency1 Probe Active Area (cm2)

MARSSIM Class:

SU DCGLw (dpm/100cm2) 2360/43-93 202398 PR211706 0.073 100 1

5000 Concrete Walls Sample ID Measurement Type2 Alpha Counts (gross cpm)

Background3 (cpm)

Net Fixed-Point Result (net cpm)

Alpha Residual Surface Activity (dpm/100cm2)

Net Activity Exceeds DCGLw STrench, Sec 3W3, Sys #1 S

3 7.4

-4.4

-59.9 NO STrench, Sec 3W3, Sys #2 S

2 7.4

-5.4

-73.5 NO STrench, Sec 3W3, Sys #3 S

2 7.4

-5.4

-73.5 NO STrench, Sec 3W3, Sys #4 S

6 7.4

-1.4

-19.1 NO STrench, Sec 3W3, Sys #5 S

3 7.4

-4.4

-59.9 NO STrench, Sec 3W3, Sys #6 S

7 7.4

-0.4

-5.4 NO STrench, Sec 3W3, Sys #7 S

4 7.4

-3.4

-46.3 NO STrench, Sec 3W3, Sys #8 S

4 7.4

-3.4

-46.3 NO STrench, Sec 3W3, Sys #9 S

9 7.4 1.6 21.8 NO STrench, Sec 3W3, Sys #10 S

4 7.4

-3.4

-46.3 NO STrench, Sec 3W3, Sys #11 S

5 7.4

-2.4

-32.7 NO STrench, Sec 3W3, Sys #12 S

7 7.4

-0.4

-5.4 NO STrench, Sec 3W3, Sys #13 S

4 7.4

-3.4

-46.3 NO STrench, Sec 3W3, Sys #14 S

3 7.4

-4.4

-59.9 NO STrench, Sec 3W3, Sys #15 S

6 7.4

-1.4

-19.1 NO STrench, Sec 3W3, Sys #16 S

6 7.4

-1.4

-19.1 NO STrench, Sec 3W3, Sys #17 S

3 7.4

-4.4

-59.9 NO STrench, Sec 3W3, Sys #18 S

8 7.4 0.6 8.2 NO STrench, Sec 3W3, Sys #19 S

4 7.4

-3.4

-46.3 NO STrench, Sec 3W3, Sys #20 S

7 7.4

-0.4

-5.4 NO Mean

-34.7 Median

-46.3 Minimum

-73.5 Maximum 21.8 Std Dev (1s) 27.7 MARSSIM Sign Test Required?

NO Does survey unit meet release criterion?

YES STrench, Sec 3 W3 Grid# 31 B

13 7.4 5.6 76.2 NO STrench, Sec 3 W3 Grid# 32 B

4 7.4

-3.4

-46.3 NO Mean 15.0 Median 15.0 Minimum

-46.3 Maximum 76.2 Std Dev (1s) 86.6 NOTES:

1 Instrument Efficiency = Instrument static 2-pi efficiency for alpha 2

Sample Type: S = Systematic B = Biased 3

Mean of up to 5 background readings collected upon unimpacted concrete surfaces inside Building 3H/6H 4

MARSSIM (NRC, 2000) Sign Test required if a systematic measurement exceeds the DCGLw South Trench Section 3 - Wall Survey Unit 3 - Alpha Static Measurement Results SU

Description:

Instrument/Probe Models Instrument S/N Probe S/N Beta Efficiency1 Probe Active Area (cm2)

MARSSIM Class:

SU DCGLw (dpm/100cm2) 2360/43-93 202398 PR211706 0.083 100 1

5000 Concrete Walls Sample ID Measurement Type2 Beta Counts (gross cpm)

Background3 (cpm)

Net Fixed-Point Result (net cpm)

Beta Residual Surface Activity (dpm/100cm2)

Net Activity Exceeds DCGLw STrench, Sec 3W3, Sys #1 S

214 260.6

-46.6

-559.0 NO STrench, Sec 3W3, Sys #2 S

171 260.6

-89.6

-1074.8 NO STrench, Sec 3W3, Sys #3 S

221 260.6

-39.6

-475.0 NO STrench, Sec 3W3, Sys #4 S

220 260.6

-40.6

-487.0 NO STrench, Sec 3W3, Sys #5 S

227 260.6

-33.6

-403.1 NO STrench, Sec 3W3, Sys #6 S

222 260.6

-38.6

-463.0 NO STrench, Sec 3W3, Sys #7 S

227 260.6

-33.6

-403.1 NO STrench, Sec 3W3, Sys #8 S

218 260.6

-42.6

-511.0 NO STrench, Sec 3W3, Sys #9 S

230 260.6

-30.6

-367.1 NO STrench, Sec 3W3, Sys #10 S

222 260.6

-38.6

-463.0 NO STrench, Sec 3W3, Sys #11 S

197 260.6

-63.6

-762.9 NO STrench, Sec 3W3, Sys #12 S

234 260.6

-26.6

-319.1 NO STrench, Sec 3W3, Sys #13 S

189 260.6

-71.6

-858.9 NO STrench, Sec 3W3, Sys #14 S

211 260.6

-49.6

-595.0 NO STrench, Sec 3W3, Sys #15 S

213 260.6

-47.6

-571.0 NO STrench, Sec 3W3, Sys #16 S

192 260.6

-68.6

-822.9 NO STrench, Sec 3W3, Sys #17 S

228 260.6

-32.6

-391.1 NO STrench, Sec 3W3, Sys #18 S

247 260.6

-13.6

-163.1 NO STrench, Sec 3W3, Sys #19 S

208 260.6

-52.6

-631.0 NO STrench, Sec 3W3, Sys #20 S

241 260.6

-19.6

-235.1 NO Mean

-527.8 Median

-475.0 Minimum

-1074.8 Maximum

-163.1 Std Dev (1s) 220.1 MARSSIM Sign Test Required?

NO Does survey unit meet release criterion?

YES STrench, Sec 3 W3 Grid# 31 B

218 260.6

-42.6

-511.0 NO STrench, Sec 3 W3 Grid# 32 B

215 260.6

-45.6

-547.0 NO Mean

-529.0 Median

-529.0 Minimum

-547.0 Maximum

-511.0 Std Dev (1s) 25.4 NOTES:

1 Instrument Efficiency = Instrument static 2-pi efficiency for beta 2

Sample Type: S = Systematic B = Biased 3

Mean of up to 5 background readings collected upon unimpacted concrete surfaces inside Building 3H/6H 4

MARSSIM (NRC, 2000) Sign Test required if a systematic measurement exceeds the DCGLw South Trench Section 3 - Wall Survey Unit 3 - Beta Static Measurement Results SU

Description:

Instrument/Probe Models Instrument S/N Probe S/N Alpha Efficiency1 Probe Active Area (cm2)

MARSSIM Class:

SU DCGLw (dpm/100cm2) 2360/43-93 202398 PR211706 0.073 100 1

5000 Concrete Floor Sample ID Measurement Type2 Alpha Counts (gross cpm)

Background3 (cpm)

Net Fixed-Point Result (net cpm)

Alpha Residual Surface Activity (dpm/100cm2)

Net Activity Exceeds DCGLw Strench, Sec 4 F1, Sys #1 S

1 2.8

-1.8

-24.5 NO Strench, Sec 4 F1, Sys #2 S

3 2.8 0.2 2.7 NO Strench, Sec 4 F1, Sys #3 S

1 2.8

-1.8

-24.5 NO Strench, Sec 4 F1, Sys #4 S

4 2.8 1.2 16.3 NO Strench, Sec 4 F1, Sys #5 S

8 2.8 5.2 70.8 NO Strench, Sec 4 F1, Sys #6 S

5 2.8 2.2 29.9 NO Strench, Sec 4 F1, Sys #7 S

4 2.8 1.2 16.3 NO Strench, Sec 4 F1, Sys #8 S

2 2.8

-0.8

-10.9 NO Strench, Sec 4 F1, Sys #9 S

8 2.8 5.2 70.8 NO Strench, Sec 4 F1, Sys #10 S

3 2.8 0.2 2.7 NO Strench, Sec 4 F1, Sys #11 S

5 2.8 2.2 29.9 NO Strench, Sec 4 F1, Sys #12 S

7 2.8 4.2 57.2 NO Strench, Sec 4 F1, Sys #13 S

1 2.8

-1.8

-24.5 NO Strench, Sec 4 F1, Sys #14 S

5 2.8 2.2 29.9 NO Strench, Sec 4 F1, Sys #15 S

2 2.8

-0.8

-10.9 NO Strench, Sec 4 F1, Sys #16 S

3 2.8 0.2 2.7 NO Strench, Sec 4 F1, Sys #17 S

2 2.8

-0.8

-10.9 NO Strench, Sec 4 F1, Sys #18 S

2 2.8

-0.8

-10.9 NO Strench, Sec 4 F1, Sys #19 S

2 2.8

-0.8

-10.9 NO Strench, Sec 4 F1, Sys #20 S

3 2.8 0.2 2.7 NO Strench, Sec 4 F1, Sys #21 S

5 2.8 2.2 29.9 NO Strench, Sec 4 F1, Sys #22 S

3 2.8 0.2 2.7 NO Mean 10.8 Median 2.7 Minimum

-24.5 Maximum 70.8 Std Dev (1s) 28.7 MARSSIM Sign Test Required?

NO Does survey unit meet release criterion?

YES NOTES:

1 Instrument Efficiency = Instrument static 2-pi efficiency for alpha 2

Sample Type: S = Systematic B = Biased 3

Mean of up to 5 background readings collected upon unimpacted concrete surfaces inside Building 3H/6H 4

MARSSIM (NRC, 2000) Sign Test required if a systematic measurement exceeds the DCGLw South Trench Section 4 - Floor Survey Unit 1 - Alpha Static Measurement Results SU

Description:

Instrument/Probe Models Instrument S/N Probe S/N Beta Efficiency1 Probe Active Area (cm2)

MARSSIM Class:

SU DCGLw (dpm/100cm2) 2360/43-93 202398 PR211706 0.083 100 1

5000 Concrete Floor Sample ID Measurement Type2 Beta Counts (gross cpm)

Background3 (cpm)

Net Fixed-Point Result (net cpm)

Beta Residual Surface Activity (dpm/100cm2)

Net Activity Exceeds DCGLw Strench, Sec 4 F1, Sys #1 S

204 288.0

-84.0

-1007.6 NO Strench, Sec 4 F1, Sys #2 S

301 288.0 13.0 155.9 NO Strench, Sec 4 F1, Sys #3 S

190 288.0

-98.0

-1175.6 NO Strench, Sec 4 F1, Sys #4 S

251 288.0

-37.0

-443.8 NO Strench, Sec 4 F1, Sys #5 S

243 288.0

-45.0

-539.8 NO Strench, Sec 4 F1, Sys #6 S

224 288.0

-64.0

-767.7 NO Strench, Sec 4 F1, Sys #7 S

226 288.0

-62.0

-743.7 NO Strench, Sec 4 F1, Sys #8 S

203 288.0

-85.0

-1019.6 NO Strench, Sec 4 F1, Sys #9 S

239 288.0

-49.0

-587.8 NO Strench, Sec 4 F1, Sys #10 S

218 288.0

-70.0

-839.7 NO Strench, Sec 4 F1, Sys #11 S

213 288.0

-75.0

-899.7 NO Strench, Sec 4 F1, Sys #12 S

237 288.0

-51.0

-611.8 NO Strench, Sec 4 F1, Sys #13 S

216 288.0

-72.0

-863.7 NO Strench, Sec 4 F1, Sys #14 S

243 288.0

-45.0

-539.8 NO Strench, Sec 4 F1, Sys #15 S

207 288.0

-81.0

-971.6 NO Strench, Sec 4 F1, Sys #16 S

234 288.0

-54.0

-647.8 NO Strench, Sec 4 F1, Sys #17 S

213 288.0

-75.0

-899.7 NO Strench, Sec 4 F1, Sys #18 S

232 288.0

-56.0

-671.8 NO Strench, Sec 4 F1, Sys #19 S

258 288.0

-30.0

-359.9 NO Strench, Sec 4 F1, Sys #20 S

232 288.0

-56.0

-671.8 NO Strench, Sec 4 F1, Sys #21 S

229 288.0

-59.0

-707.7 NO Strench, Sec 4 F1, Sys #22 S

243 288.0

-45.0

-539.8 NO Mean

-697.9 Median

-671.8 Minimum

-1175.6 Maximum 155.9 Std Dev (1s) 279.9 MARSSIM Sign Test Required?

NO Does survey unit meet release criterion?

YES NOTES:

1 Instrument Efficiency = Instrument static 2-pi efficiency for beta 2

Sample Type: S = Systematic B = Biased 3

Mean of up to 5 background readings collected upon unimpacted concrete surfaces inside Building 3H/6H 4

MARSSIM (NRC, 2000) Sign Test required if a systematic measurement exceeds the DCGLw South Trench Section 4 - Floor Survey Unit 1 - Beta Static Measurement Results SU

Description:

Instrument/Probe Models Instrument S/N Probe S/N Alpha Efficiency1 Probe Active Area (cm2)

MARSSIM Class:

SU DCGLw (dpm/100cm2) 2360/43-93 202398 PR211706 0.073 100 1

5000 Concrete Floor Sample ID Measurement Type2 Alpha Counts (gross cpm)

Background3 (cpm)

Net Fixed-Point Result (net cpm)

Alpha Residual Surface Activity (dpm/100cm2)

Net Activity Exceeds DCGLw Strench, Sec 4 F2, Sys #1 S

1 2.8

-1.8

-24.5 NO Strench, Sec 4 F2, Sys #2 S

4 2.8 1.2 16.3 NO Strench, Sec 4 F2, Sys #3 S

4 2.8 1.2 16.3 NO Strench, Sec 4 F2, Sys #4 S

2 2.8

-0.8

-10.9 NO Strench, Sec 4 F2, Sys #5 S

1 2.8

-1.8

-24.5 NO Strench, Sec 4 F2, Sys #6 S

1 2.8

-1.8

-24.5 NO Strench, Sec 4 F2, Sys #7 S

4 2.8 1.2 16.3 NO Strench, Sec 4 F2, Sys #8 S

2 2.8

-0.8

-10.9 NO Strench, Sec 4 F2, Sys #9 S

1 2.8

-1.8

-24.5 NO Strench, Sec 4 F2, Sys #10 S

4 2.8 1.2 16.3 NO Strench, Sec 4 F2, Sys #11 S

1 2.8

-1.8

-24.5 NO Strench, Sec 4 F2, Sys #12 S

1 2.8

-1.8

-24.5 NO Strench, Sec 4 F2, Sys #13 S

5 2.8 2.2 29.9 NO Strench, Sec 4 F2, Sys #14 S

2 2.8

-0.8

-10.9 NO Strench, Sec 4 F2, Sys #15 S

1 2.8

-1.8

-24.5 NO Strench, Sec 4 F2, Sys #16 S

3 2.8 0.2 2.7 NO Strench, Sec 4 F2, Sys #17 S

3 2.8 0.2 2.7 NO Mean

-6.1 Median

-10.9 Minimum

-24.5 Maximum 29.9 Std Dev (1s) 19.2 MARSSIM Sign Test Required?

NO Does survey unit meet release criterion?

YES NOTES:

1 Instrument Efficiency = Instrument static 2-pi efficiency for alpha 2

Sample Type: S = Systematic B = Biased 3

Mean of up to 5 background readings collected upon unimpacted concrete surfaces inside Building 3H/6H 4

MARSSIM (NRC, 2000) Sign Test required if a systematic measurement exceeds the DCGLw South Trench Section 4 - Floor Survey Unit 2 - Alpha Static Measurement Results SU

Description:

Instrument/Probe Models Instrument S/N Probe S/N Beta Efficiency1 Probe Active Area (cm2)

MARSSIM Class:

SU DCGLw (dpm/100cm2) 2360/43-93 202398 PR211706 0.083 100 1

5000 Concrete Floor Sample ID Measurement Type2 Beta Counts (gross cpm)

Background3 (cpm)

Net Fixed-Point Result (net cpm)

Beta Residual Surface Activity (dpm/100cm2)

Net Activity Exceeds DCGLw Strench, Sec 4 F2, Sys #1 S

239 288.0

-49.0

-587.8 NO Strench, Sec 4 F2, Sys #2 S

221 288.0

-67.0

-803.7 NO Strench, Sec 4 F2, Sys #3 S

218 288.0

-70.0

-839.7 NO Strench, Sec 4 F2, Sys #4 S

212 288.0

-76.0

-911.7 NO Strench, Sec 4 F2, Sys #5 S

224 288.0

-64.0

-767.7 NO Strench, Sec 4 F2, Sys #6 S

252 288.0

-36.0

-431.8 NO Strench, Sec 4 F2, Sys #7 S

193 288.0

-95.0

-1139.6 NO Strench, Sec 4 F2, Sys #8 S

204 288.0

-84.0

-1007.6 NO Strench, Sec 4 F2, Sys #9 S

222 288.0

-66.0

-791.7 NO Strench, Sec 4 F2, Sys #10 S

244 288.0

-44.0

-527.8 NO Strench, Sec 4 F2, Sys #11 S

227 288.0

-61.0

-731.7 NO Strench, Sec 4 F2, Sys #12 S

206 288.0

-82.0

-983.6 NO Strench, Sec 4 F2, Sys #13 S

204 288.0

-84.0

-1007.6 NO Strench, Sec 4 F2, Sys #14 S

211 288.0

-77.0

-923.7 NO Strench, Sec 4 F2, Sys #15 S

222 288.0

-66.0

-791.7 NO Strench, Sec 4 F2, Sys #16 S

213 288.0

-75.0

-899.7 NO Strench, Sec 4 F2, Sys #17 S

192 288.0

-96.0

-1151.6 NO Mean

-841.1 Median

-869.7 Minimum

-1151.6 Maximum

-431.8 Std Dev (1s) 198.4 MARSSIM Sign Test Required?

NO Does survey unit meet release criterion?

YES NOTES:

1 Instrument Efficiency = Instrument static 2-pi efficiency for beta 2

Sample Type: S = Systematic B = Biased 3

Mean of up to 5 background readings collected upon unimpacted concrete surfaces inside Building 3H/6H 4

MARSSIM (NRC, 2000) Sign Test required if a systematic measurement exceeds the DCGLw South Trench Section 4 - Floor Survey Unit 2 - Beta Static Measurement Results SU

Description:

Instrument/Probe Models Instrument S/N Probe S/N Alpha Efficiency1 Probe Active Area (cm2)

MARSSIM Class:

SU DCGLw (dpm/100cm2) 2360/43-93 202398 PR211706 0.073 100 1

5000 Concrete Walls Sample ID Measurement Type2 Alpha Counts (gross cpm)

Background3 (cpm)

Net Fixed-Point Result (net cpm)

Alpha Residual Surface Activity (dpm/100cm2)

Net Activity Exceeds DCGLw Strench, Sec 4 W1, Sys #1 S

2 1.4 0.6 8.2 NO Strench, Sec 4 W1, Sys #2 S

1 1.4

-0.4

-5.4 NO Strench, Sec 4 W1, Sys #3 S

2 1.4 0.6 8.2 NO Strench, Sec 4 W1, Sys #4 S

1 1.4

-0.4

-5.4 NO Strench, Sec 4 W1, Sys #5 S

2 1.4 0.6 8.2 NO Strench, Sec 4 W1, Sys #6 S

3 1.4 1.6 21.8 NO Strench, Sec 4 W1, Sys #7 S

2 1.4 0.6 8.2 NO Strench, Sec 4 W1, Sys #8 S

1 1.4

-0.4

-5.4 NO Strench, Sec 4 W1, Sys #9 S

4 1.4 2.6 35.4 NO Strench, Sec 4 W1, Sys #10 S

1 1.4

-0.4

-5.4 NO Strench, Sec 4 W1, Sys #11 S

6 1.4 4.6 62.6 NO Strench, Sec 4 W1, Sys #12 S

3 1.4 1.6 21.8 NO Strench, Sec 4 W1, Sys #13 S

2 1.4 0.6 8.2 NO Strench, Sec 4 W1, Sys #14 S

2 1.4 0.6 8.2 NO Strench, Sec 4 W1, Sys #15 S

1 1.4

-0.4

-5.4 NO Strench, Sec 4 W1, Sys #16 S

1 1.4

-0.4

-5.4 NO Strench, Sec 4 W1, Sys #17 S

3 1.4 1.6 21.8 NO Strench, Sec 4 W1, Sys #18 S

1 1.4

-0.4

-5.4 NO Strench, Sec 4 W1, Sys #19 S

2 1.4 0.6 8.2 NO Strench, Sec 4 W1, Sys #20 S

4 1.4 2.6 35.4 NO Strench, Sec 4 W1, Sys #21 S

1 1.4

-0.4

-5.4 NO Strench, Sec 4 W1, Sys #22 S

1 1.4

-0.4

-5.4 NO Mean 9.4 Median 8.2 Minimum

-5.4 Maximum 62.6 Std Dev (1s) 17.8 MARSSIM Sign Test Required?

NO Does survey unit meet release criterion?

YES Strench, Sec 4 Wall 2 (North) top, Grid #129 B

3 1.6 1.4 19.1 NO Strench, Sec 4 Wall 2 (North) bottom, Grid #129 B

3 1.6 1.4 19.1 NO Strench, Sec 4 Wall 1 (South) bottom, Grid #123 B

1 1.6

-0.6

-8.2 NO Mean 10.0 Median 19.1 Minimum

-8.2 Maximum 19.1 Std Dev (1s) 15.7 NOTES:

1 Instrument Efficiency = Instrument static 2-pi efficiency for alpha 2

Sample Type: S = Systematic B = Biased 3

Mean of up to 5 background readings collected upon unimpacted concrete surfaces inside Building 3H/6H 4

MARSSIM (NRC, 2000) Sign Test required if a systematic measurement exceeds the DCGLw South Trench Section 4 - Wall Survey Unit 1 - Alpha Static Measurement Results SU

Description:

Instrument/Probe Models Instrument S/N Probe S/N Beta Efficiency1 Probe Active Area (cm2)

MARSSIM Class:

SU DCGLw (dpm/100cm2) 2360/43-93 202398 PR211706 0.083 100 1

5000 Concrete Walls Sample ID Measurement Type2 Beta Counts (gross cpm)

Background3 (cpm)

Net Fixed-Point Result (net cpm)

Beta Residual Surface Activity (dpm/100cm2)

Net Activity Exceeds DCGLw Strench, Sec 4 W1, Sys #1 S

292 276.2 15.8 189.5 NO Strench, Sec 4 W1, Sys #2 S

181 276.2

-95.2

-1142.0 NO Strench, Sec 4 W1, Sys #3 S

199 276.2

-77.2

-926.1 NO Strench, Sec 4 W1, Sys #4 S

201 276.2

-75.2

-902.1 NO Strench, Sec 4 W1, Sys #5 S

200 276.2

-76.2

-914.1 NO Strench, Sec 4 W1, Sys #6 S

197 276.2

-79.2

-950.1 NO Strench, Sec 4 W1, Sys #7 S

227 276.2

-49.2

-590.2 NO Strench, Sec 4 W1, Sys #8 S

184 276.2

-92.2

-1106.0 NO Strench, Sec 4 W1, Sys #9 S

203 276.2

-73.2

-878.1 NO Strench, Sec 4 W1, Sys #10 S

183 276.2

-93.2

-1118.0 NO Strench, Sec 4 W1, Sys #11 S

170 276.2

-106.2

-1273.9 NO Strench, Sec 4 W1, Sys #12 S

208 276.2

-68.2

-818.1 NO Strench, Sec 4 W1, Sys #13 S

214 276.2

-62.2

-746.1 NO Strench, Sec 4 W1, Sys #14 S

195 276.2

-81.2

-974.0 NO Strench, Sec 4 W1, Sys #15 S

191 276.2

-85.2

-1022.0 NO Strench, Sec 4 W1, Sys #16 S

189 276.2

-87.2

-1046.0 NO Strench, Sec 4 W1, Sys #17 S

199 276.2

-77.2

-926.1 NO Strench, Sec 4 W1, Sys #18 S

191 276.2

-85.2

-1022.0 NO Strench, Sec 4 W1, Sys #19 S

189 276.2

-87.2

-1046.0 NO Strench, Sec 4 W1, Sys #20 S

197 276.2

-79.2

-950.1 NO Strench, Sec 4 W1, Sys #21 S

352 276.2 75.8 909.3 NO Strench, Sec 4 W1, Sys #22 S

218 276.2

-58.2

-698.1 NO Mean

-815.9 Median

-938.1 Minimum

-1273.9 Maximum 909.3 Std Dev (1s) 480.3 MARSSIM Sign Test Required?

NO Does survey unit meet release criterion?

YES Strench, Sec 4 Wall 2 (North) top, Grid #129 B

173 185.0

-12.0

-143.9 NO Strench, Sec 4 Wall 2 (North) bottom, Grid #129 B

204 185.0 19.0 227.9 NO Strench, Sec 4 Wall 1 (South) bottom, Grid #123 B

180 185.0

-5.0

-60.0 NO Mean 8.0 Median

-60.0 Minimum

-143.9 Maximum 227.9 Std Dev (1s) 195.0 NOTES:

1 Instrument Efficiency = Instrument static 2-pi efficiency for beta 2

Sample Type: S = Systematic B = Biased 3

Mean of up to 5 background readings collected upon unimpacted concrete surfaces inside Building 3H/6H 4

MARSSIM (NRC, 2000) Sign Test required if a systematic measurement exceeds the DCGLw South Trench Section 4 - Wall Survey Unit 1 - Beta Static Measurement Results SU

Description:

Instrument/Probe Models Instrument S/N Probe S/N Alpha Efficiency1 Probe Active Area (cm2)

MARSSIM Class:

SU DCGLw (dpm/100cm2) 2360/43-93 202398 PR211706 0.073 100 1

5000 Concrete Walls Sample ID Measurement Type2 Alpha Counts (gross cpm)

Background3 (cpm)

Net Fixed-Point Result (net cpm)

Alpha Residual Surface Activity (dpm/100cm2)

Net Activity Exceeds DCGLw Strench, Sec 4 W2, Sys #1 S

8 1.6 6.4 87.1 NO Strench, Sec 4 W2, Sys #2 S

1 1.6

-0.6

-8.2 NO Strench, Sec 4 W2, Sys #3 S

2 1.6 0.4 5.4 NO Strench, Sec 4 W2, Sys #4 S

3 1.6 1.4 19.1 NO Strench, Sec 4 W2, Sys #5 S

1 1.6

-0.6

-8.2 NO Strench, Sec 4 W2, Sys #6 S

2 1.6 0.4 5.4 NO Strench, Sec 4 W2, Sys #7 S

1 1.6

-0.6

-8.2 NO Strench, Sec 4 W2, Sys #8 S

3 1.6 1.4 19.1 NO Strench, Sec 4 W2, Sys #9 S

1 1.6

-0.6

-8.2 NO Strench, Sec 4 W2, Sys #10 S

0 1.6

-1.6

-21.8 NO Strench, Sec 4 W2, Sys #11 S

1 1.6

-0.6

-8.2 NO Strench, Sec 4 W2, Sys #12 S

1 1.6

-0.6

-8.2 NO Strench, Sec 4 W2, Sys #13 S

3 1.6 1.4 19.1 NO Strench, Sec 4 W2, Sys #14 S

1 1.6

-0.6

-8.2 NO Strench, Sec 4 W2, Sys #15 S

1 1.6

-0.6

-8.2 NO Strench, Sec 4 W2, Sys #16 S

1 1.6

-0.6

-8.2 NO Strench, Sec 4 W2, Sys #17 S

1 1.6

-0.6

-8.2 NO Strench, Sec 4 W2, Sys #18 S

1 1.6

-0.6

-8.2 NO Strench, Sec 4 W2, Sys #19 S

2 1.6 0.4 5.4 NO Strench, Sec 4 W2, Sys #20 S

1 1.6

-0.6

-8.2 NO Strench, Sec 4 W2, Sys #21 S

3 1.6 1.4 19.1 NO Strench, Sec 4 W2, Sys #22 S

2 1.6 0.4 5.4 NO Mean 3.0 Median

-8.2 Minimum

-21.8 Maximum 87.1 Std Dev (1s) 22.1 MARSSIM Sign Test Required?

NO Does survey unit meet release criterion?

YES Strench, Sec 4 Wall 2 (North) bottom, Grid #96 B

3 1.6 1.4 19.1 NO Strench, Sec 4 Wall 1 (South) bottom, Grid #94 B

1 1.6

-0.6

-8.2 NO Strench, Sec 4 Wall 1 (South) bottom, Grid #95 B

1 1.6

-0.6

-8.2 NO Mean 0.9 Median

-8.2 Minimum

-8.2 Maximum 19.1 Std Dev (1s) 15.7 NOTES:

1 Instrument Efficiency = Instrument static 2-pi efficiency for alpha 2

Sample Type: S = Systematic B = Biased 3

Mean of up to 5 background readings collected upon unimpacted concrete surfaces inside Building 3H/6H 4

MARSSIM (NRC, 2000) Sign Test required if a systematic measurement exceeds the DCGLw South Trench Section 4 - Wall Survey Unit 2 - Alpha Static Measurement Results SU

Description:

Instrument/Probe Models Instrument S/N Probe S/N Beta Efficiency1 Probe Active Area (cm2)

MARSSIM Class:

SU DCGLw (dpm/100cm2) 2360/43-93 202398 PR211706 0.083 100 1

5000 Concrete Walls Sample ID Measurement Type2 Beta Counts (gross cpm)

Background3 (cpm)

Net Fixed-Point Result (net cpm)

Beta Residual Surface Activity (dpm/100cm2)

Net Activity Exceeds DCGLw Strench, Sec 4 W2, Sys #1 S

212 185.0 27.0 323.9 NO Strench, Sec 4 W2, Sys #2 S

206 185.0 21.0 251.9 NO Strench, Sec 4 W2, Sys #3 S

208 185.0 23.0 275.9 NO Strench, Sec 4 W2, Sys #4 S

200 185.0 15.0 179.9 NO Strench, Sec 4 W2, Sys #5 S

169 185.0

-16.0

-191.9 NO Strench, Sec 4 W2, Sys #6 S

188 185.0 3.0 36.0 NO Strench, Sec 4 W2, Sys #7 S

170 185.0

-15.0

-179.9 NO Strench, Sec 4 W2, Sys #8 S

216 185.0 31.0 371.9 NO Strench, Sec 4 W2, Sys #9 S

199 185.0 14.0 167.9 NO Strench, Sec 4 W2, Sys #10 S

188 185.0 3.0 36.0 NO Strench, Sec 4 W2, Sys #11 S

219 185.0 34.0 407.9 NO Strench, Sec 4 W2, Sys #12 S

214 185.0 29.0 347.9 NO Strench, Sec 4 W2, Sys #13 S

208 185.0 23.0 275.9 NO Strench, Sec 4 W2, Sys #14 S

181 185.0

-4.0

-48.0 NO Strench, Sec 4 W2, Sys #15 S

194 185.0 9.0 108.0 NO Strench, Sec 4 W2, Sys #16 S

193 185.0 8.0 96.0 NO Strench, Sec 4 W2, Sys #17 S

156 185.0

-29.0

-347.9 NO Strench, Sec 4 W2, Sys #18 S

201 185.0 16.0 191.9 NO Strench, Sec 4 W2, Sys #19 S

184 185.0

-1.0

-12.0 NO Strench, Sec 4 W2, Sys #20 S

202 185.0 17.0 203.9 NO Strench, Sec 4 W2, Sys #21 S

218 185.0 33.0 395.9 NO Strench, Sec 4 W2, Sys #22 S

168 185.0

-17.0

-203.9 NO Mean 122.1 Median 173.9 Minimum

-347.9 Maximum 407.9 Std Dev (1s) 215.1 MARSSIM Sign Test Required?

NO Does survey unit meet release criterion?

YES Strench, Sec 4 Wall 2 (North) bottom, Grid #96 B

218 185.0 33.0 395.9 NO Strench, Sec 4 Wall 1 (South) bottom, Grid #94 B

188 185.0 3.0 36.0 NO Strench, Sec 4 Wall 1 (South) bottom, Grid #95 B

200 185.0 15.0 179.9 NO Mean 203.9 Median 179.9 Minimum 36.0 Maximum 395.9 Std Dev (1s) 181.1 NOTES:

1 Instrument Efficiency = Instrument static 2-pi efficiency for beta 2

Sample Type: S = Systematic B = Biased 3

Mean of up to 5 background readings collected upon unimpacted concrete surfaces inside Building 3H/6H 4

MARSSIM (NRC, 2000) Sign Test required if a systematic measurement exceeds the DCGLw South Trench Section 4 - Wall Survey Unit 2 - Beta Static Measurement Results SU

Description:

Instrument/Probe Models Instrument S/N Probe S/N Alpha Efficiency1 Probe Active Area (cm2)

MARSSIM Class:

SU DCGLw (dpm/100cm2) 2360/43-93 202398 PR211706 0.073 100 1

5000 Concrete Walls Sample ID Measurement Type2 Alpha Counts (gross cpm)

Background3 (cpm)

Net Fixed-Point Result (net cpm)

Alpha Residual Surface Activity (dpm/100cm2)

Net Activity Exceeds DCGLw Strench, Sec 4 W3, Sys #1 S

2 1.6 0.4 5.4 NO Strench, Sec 4 W3, Sys #2 S

1 1.6

-0.6

-8.2 NO Strench, Sec 4 W3, Sys #3 S

1 1.6

-0.6

-8.2 NO Strench, Sec 4 W3, Sys #4 S

1 1.6

-0.6

-8.2 NO Strench, Sec 4 W3, Sys #5 S

2 1.6 0.4 5.4 NO Strench, Sec 4 W3, Sys #6 S

3 1.6 1.4 19.1 NO Strench, Sec 4 W3, Sys #7 S

1 1.6

-0.6

-8.2 NO Strench, Sec 4 W3, Sys #8 S

1 1.6

-0.6

-8.2 NO Strench, Sec 4 W3, Sys #9 S

3 1.6 1.4 19.1 NO Strench, Sec 4 W3, Sys #10 S

1 1.6

-0.6

-8.2 NO Strench, Sec 4 W3, Sys #11 S

1 1.6

-0.6

-8.2 NO Strench, Sec 4 W3, Sys #12 S

1 1.6

-0.6

-8.2 NO Strench, Sec 4 W3, Sys #13 S

1 1.6

-0.6

-8.2 NO Strench, Sec 4 W3, Sys #14 S

3 1.6 1.4 19.1 NO Strench, Sec 4 W3, Sys #15 S

2 1.6 0.4 5.4 NO Strench, Sec 4 W3, Sys #16 S

6 1.6 4.4 59.9 NO Strench, Sec 4 W3, Sys #17 S

1 1.6

-0.6

-8.2 NO Strench, Sec 4 W3, Sys #18 S

1 1.6

-0.6

-8.2 NO Strench, Sec 4 W3, Sys #19 S

1 1.6

-0.6

-8.2 NO Strench, Sec 4 W3, Sys #20 S

1 1.6

-0.6

-8.2 NO Strench, Sec 4 W3, Sys #21 S

1 1.6

-0.6

-8.2 NO Strench, Sec 4 W3, Sys #22 S

3 1.6 1.4 19.1 NO Mean 1.7 Median

-8.2 Minimum

-8.2 Maximum 59.9 Std Dev (1s) 16.9 MARSSIM Sign Test Required?

NO Does survey unit meet release criterion?

YES Strench, Sec 4 Wall 2 (North) bottom, Grid #3 B

3 1.6 1.4 19.1 NO Strench, Sec 4 Wall 2 (North) top, Grid #12 B

4 1.6 2.4 32.7 NO Strench, Sec 4 Wall 2 (North) bottom, Grid #12 B

1 1.6

-0.6

-8.2 NO Strench, Sec 4 Wall 2(North) bottom, Grid #20 B

1 1.6

-0.6

-8.2 NO Strench, Sec 4 Wall 2 (North) top, Grid #23 B

4 1.6 2.4 32.7 NO Strench, Sec 4 Wall 2 (North) top, Grid #28 B

1 1.6

-0.6

-8.2 NO Strench, Sec 4 Wall 2 (North) bottom, Grid #39 B

2 1.6 0.4 5.4 NO Strench, Sec 4 Wall 2 (North) top, Grid #53 B

5 1.6 3.4 46.3 NO Strench, Sec 4 Wall 2 (North) top, Grid #56 B

2 1.6 0.4 5.4 NO Strench, Sec 4 Wall 1 (South) top, Grid #2 B

2 1.6 0.4 5.4 NO Strench, Sec 4 Wall 1 (South) top, Grid #10 B

1 1.6

-0.6

-8.2 NO Strench, Sec 4 Wall 1 (South) top, Grid #19 B

2 1.6 0.4 5.4 NO Strench, Sec 4 Wall 1 (South) top, Grid #32 B

2 1.6 0.4 5.4 NO Strench, Sec 4 Wall 1 (South) top, Grid #61 B

1 1.6

-0.6

-8.2 NO Mean 8.4 Median 5.4 Minimum

-8.2 Maximum 46.3 Std Dev (1s) 17.8 NOTES:

1 Instrument Efficiency = Instrument static 2-pi efficiency for alpha 2

Sample Type: S = Systematic B = Biased 3

Mean of up to 5 background readings collected upon unimpacted concrete surfaces inside Building 3H/6H 4

MARSSIM (NRC, 2000) Sign Test required if a systematic measurement exceeds the DCGLw South Trench Section 4 - Wall Survey Unit 3 - Alpha Static Measurement Results SU

Description:

Instrument/Probe Models Instrument S/N Probe S/N Beta Efficiency1 Probe Active Area (cm2)

MARSSIM Class:

SU DCGLw (dpm/100cm2) 2360/43-93 202398 PR211706 0.083 100 1

5000 Concrete Walls Sample ID Measurement Type2 Beta Counts (gross cpm)

Background3 (cpm)

Net Fixed-Point Result (net cpm)

Beta Residual Surface Activity (dpm/100cm2)

Net Activity Exceeds DCGLw Strench, Sec 4 W3, Sys #1 S

189 185.0 4.0 48.0 NO Strench, Sec 4 W3, Sys #2 S

163 185.0

-22.0

-263.9 NO Strench, Sec 4 W3, Sys #3 S

173 185.0

-12.0

-143.9 NO Strench, Sec 4 W3, Sys #4 S

171 185.0

-14.0

-167.9 NO Strench, Sec 4 W3, Sys #5 S

157 185.0

-28.0

-335.9 NO Strench, Sec 4 W3, Sys #6 S

193 185.0 8.0 96.0 NO Strench, Sec 4 W3, Sys #7 S

167 185.0

-18.0

-215.9 NO Strench, Sec 4 W3, Sys #8 S

177 185.0

-8.0

-96.0 NO Strench, Sec 4 W3, Sys #9 S

211 185.0 26.0 311.9 NO Strench, Sec 4 W3, Sys #10 S

193 185.0 8.0 96.0 NO Strench, Sec 4 W3, Sys #11 S

217 185.0 32.0 383.9 NO Strench, Sec 4 W3, Sys #12 S

205 185.0 20.0 239.9 NO Strench, Sec 4 W3, Sys #13 S

196 185.0 11.0 132.0 NO Strench, Sec 4 W3, Sys #14 S

187 185.0 2.0 24.0 NO Strench, Sec 4 W3, Sys #15 S

177 185.0

-8.0

-96.0 NO Strench, Sec 4 W3, Sys #16 S

190 185.0 5.0 60.0 NO Strench, Sec 4 W3, Sys #17 S

180 185.0

-5.0

-60.0 NO Strench, Sec 4 W3, Sys #18 S

165 185.0

-20.0

-239.9 NO Strench, Sec 4 W3, Sys #19 S

212 185.0 27.0 323.9 NO Strench, Sec 4 W3, Sys #20 S

178 185.0

-7.0

-84.0 NO Strench, Sec 4 W3, Sys #21 S

190 185.0 5.0 60.0 NO Strench, Sec 4 W3, Sys #22 S

198 185.0 13.0 155.9 NO Mean 10.4 Median 36.0 Minimum

-335.9 Maximum 383.9 Std Dev (1s) 199.9 MARSSIM Sign Test Required?

NO Does survey unit meet release criterion?

YES Strench, Sec 4 Wall 2 (North) bottom, Grid #3 B

199 185.0 14.0 167.9 NO Strench, Sec 4 Wall 2 (North) top, Grid #12 B

198 185.0 13.0 155.9 NO Strench, Sec 4 Wall 2 (North) bottom, Grid #12 B

197 185.0 12.0 143.9 NO Strench, Sec 4 Wall 2(North) bottom, Grid #20 B

232 185.0 47.0 563.8 NO Strench, Sec 4 Wall 2 (North) top, Grid #23 B

218 185.0 33.0 395.9 NO Strench, Sec 4 Wall 2 (North) top, Grid #28 B

181 185.0

-4.0

-48.0 NO Strench, Sec 4 Wall 2 (North) bottom, Grid #39 B

199 185.0 14.0 167.9 NO Strench, Sec 4 Wall 2 (North) top, Grid #53 B

213 185.0 28.0 335.9 NO Strench, Sec 4 Wall 2 (North) top, Grid #56 B

228 185.0 43.0 515.8 NO Strench, Sec 4 Wall 1 (South) top, Grid #2 B

207 185.0 22.0 263.9 NO Strench, Sec 4 Wall 1 (South) top, Grid #10 B

210 185.0 25.0 299.9 NO Strench, Sec 4 Wall 1 (South) top, Grid #19 B

198 185.0 13.0 155.9 NO Strench, Sec 4 Wall 1 (South) top, Grid #32 B

210 185.0 25.0 299.9 NO Strench, Sec 4 Wall 1 (South) top, Grid #61 B

237 185.0 52.0 623.8 NO Mean 288.8 Median 281.9 Minimum

-48.0 Maximum 623.8 Std Dev (1s) 186.6 NOTES:

1 Instrument Efficiency = Instrument static 2-pi efficiency for beta 2

Sample Type: S = Systematic B = Biased 3

Mean of up to 5 background readings collected upon unimpacted concrete surfaces inside Building 3H/6H 4

MARSSIM (NRC, 2000) Sign Test required if a systematic measurement exceeds the DCGLw South Trench Section 4 - Wall Survey Unit 3 - Beta Static Measurement Results SU

Description:

Instrument/Probe Models Instrument S/N Probe S/N Alpha Efficiency1 Probe Active Area (cm2)

MARSSIM Class:

SU DCGLw (dpm/100cm2) 2360/43-93 202398 PR211706 0.073 100 1

5000 Concrete Floor Sample ID Measurement Type2 Alpha Counts (gross cpm)

Background3 (cpm)

Net Fixed-Point Result (net cpm)

Alpha Residual Surface Activity (dpm/100cm2)

Net Activity Exceeds DCGLw ST,Sec5,FL, Sys#1 S

1 2.8

-1.8

-24.5 NO ST,Sec5,FL, Sys#2 S

3 2.8 0.2 2.7 NO ST,Sec5,FL, Sys#3 S

1 2.8

-1.8

-24.5 NO ST,Sec5,FL, Sys#4 S

4 2.8 1.2 16.3 NO ST,Sec5,FL, Sys#5 S

8 2.8 5.2 70.8 NO ST,Sec5,FL, Sys#6 S

5 2.8 2.2 29.9 NO ST,Sec5,FL, Sys#7 S

4 2.8 1.2 16.3 NO ST,Sec5,FL, Sys#8 S

2 2.8

-0.8

-10.9 NO ST,Sec5,FL, Sys#9 S

8 2.8 5.2 70.8 NO ST,Sec5,FL, Sys#10 S

3 2.8 0.2 2.7 NO ST,Sec5,FL, Sys#11 S

5 2.8 2.2 29.9 NO ST,Sec5,FL, Sys#12 S

7 2.8 4.2 57.2 NO ST,Sec5,FL, Sys#13 S

1 2.8

-1.8

-24.5 NO ST,Sec5,FL, Sys#14 S

5 2.8 2.2 29.9 NO ST,Sec5,FL, Sys#15 S

2 2.8

-0.8

-10.9 NO ST,Sec5,FL, Sys#16 S

3 2.8 0.2 2.7 NO ST,Sec5,FL, Sys#17 S

2 2.8

-0.8

-10.9 NO ST,Sec5,FL, Sys#18 S

2 2.8

-0.8

-10.9 NO ST,Sec5,FL, Sys#19 S

2 2.8

-0.8

-10.9 NO ST,Sec5,FL, Sys#20 S

3 2.8 0.2 2.7 NO ST,Sec5,FL, Sys#21 S

5 2.8 2.2 29.9 NO ST,Sec5,FL, Sys#22 S

3 2.8 0.2 2.7 NO Mean 10.8 Median 2.7 Minimum

-24.5 Maximum 70.8 Std Dev (1s) 28.7 MARSSIM Sign Test Required?

NO Does survey unit meet release criterion?

YES ST,Sec5,FL,Bias Grid#12 B

2 3.6

-1.6

-21.8 NO ST,Sec5,FL,Bias Grid#18 B

5 3.6 1.4 19.1 NO ST,Sec5,FL,Bias Grid#19 B

2 3.6

-1.6

-21.8 NO ST,Sec5,FL,Bias Grid#46 B

2 3.6

-1.6

-21.8 NO ST,Sec5,FL,Bias Grid#50 B

1 3.6

-2.6

-35.4 NO ST,Sec5,FL,Bias Grid#52 B

2 3.6

-1.6

-21.8 NO ST,Sec5,FL,Bias Grid#53 B

2 3.6

-1.6

-21.8 NO ST,Sec5,FL,Bias Grid#55 B

1 3.6

-2.6

-35.4 NO Mean

-20.1 Median

-21.8 Minimum

-35.4 Maximum 19.1 Std Dev (1s) 17.0 NOTES:

1 Instrument Efficiency = Instrument static 2-pi efficiency for alpha 2

Sample Type: S = Systematic B = Biased 3

Mean of up to 5 background readings collected upon unimpacted concrete surfaces inside Building 3H/6H 4

MARSSIM (NRC, 2000) Sign Test required if a systematic measurement exceeds the DCGLw South Trench Section 5 - Floor Survey Unit - Alpha Static Measurement Results SU

Description:

Instrument/Probe Models Instrument S/N Probe S/N Beta Efficiency1 Probe Active Area (cm2)

MARSSIM Class:

SU DCGLw (dpm/100cm2) 2360/43-93 202398 PR211706 0.083 100 1

5000 Concrete Floor Sample ID Measurement Type2 Beta Counts (gross cpm)

Background3 (cpm)

Net Fixed-Point Result (net cpm)

Beta Residual Surface Activity (dpm/100cm2)

Net Activity Exceeds DCGLw ST,Sec5,FL, Sys#1 S

204 241.6

-37.6

-451.0 NO ST,Sec5,FL, Sys#2 S

301 241.6 59.4 712.5 NO ST,Sec5,FL, Sys#3 S

190 241.6

-51.6

-619.0 NO ST,Sec5,FL, Sys#4 S

251 241.6 9.4 112.8 NO ST,Sec5,FL, Sys#5 S

243 241.6 1.4 16.8 NO ST,Sec5,FL, Sys#6 S

224 241.6

-17.6

-211.1 NO ST,Sec5,FL, Sys#7 S

226 241.6

-15.6

-187.1 NO ST,Sec5,FL, Sys#8 S

203 241.6

-38.6

-463.0 NO ST,Sec5,FL, Sys#9 S

239 241.6

-2.6

-31.2 NO ST,Sec5,FL, Sys#10 S

218 241.6

-23.6

-283.1 NO ST,Sec5,FL, Sys#11 S

213 241.6

-28.6

-343.1 NO ST,Sec5,FL, Sys#12 S

237 241.6

-4.6

-55.2 NO ST,Sec5,FL, Sys#13 S

216 241.6

-25.6

-307.1 NO ST,Sec5,FL, Sys#14 S

243 241.6 1.4 16.8 NO ST,Sec5,FL, Sys#15 S

207 241.6

-34.6

-415.1 NO ST,Sec5,FL, Sys#16 S

234 241.6

-7.6

-91.2 NO ST,Sec5,FL, Sys#17 S

213 241.6

-28.6

-343.1 NO ST,Sec5,FL, Sys#18 S

232 241.6

-9.6

-115.2 NO ST,Sec5,FL, Sys#19 S

258 241.6 16.4 196.7 NO ST,Sec5,FL, Sys#20 S

232 241.6

-9.6

-115.2 NO ST,Sec5,FL, Sys#21 S

229 241.6

-12.6

-151.1 NO ST,Sec5,FL, Sys#22 S

243 241.6 1.4 16.8 NO Mean

-141.3 Median

-115.2 Minimum

-619.0 Maximum 712.5 Std Dev (1s) 279.9 MARSSIM Sign Test Required?

NO Does survey unit meet release criterion?

YES ST,Sec5,FL,Bias Grid#12 B

218 242.8

-24.8

-297.5 NO ST,Sec5,FL,Bias Grid#18 B

188 242.8

-54.8

-657.4 NO ST,Sec5,FL,Bias Grid#19 B

200 242.8

-42.8

-513.4 NO ST,Sec5,FL,Bias Grid#46 B

218 242.8

-24.8

-297.5 NO ST,Sec5,FL,Bias Grid#50 B

188 242.8

-54.8

-657.4 NO ST,Sec5,FL,Bias Grid#52 B

200 242.8

-42.8

-513.4 NO ST,Sec5,FL,Bias Grid#53 B

188 242.8

-54.8

-657.4 NO ST,Sec5,FL,Bias Grid#55 B

200 242.8

-42.8

-513.4 NO Mean

-513.4 Median

-513.4 Minimum

-657.4 Maximum

-297.5 Std Dev (1s) 149.0 NOTES:

1 Instrument Efficiency = Instrument static 2-pi efficiency for beta 2

Sample Type: S = Systematic B = Biased 3

Mean of up to 5 background readings collected upon unimpacted concrete surfaces inside Building 3H/6H 4

MARSSIM (NRC, 2000) Sign Test required if a systematic measurement exceeds the DCGLw South Trench Section 5 - Floor Survey Unit - Beta Static Measurement Results SU

Description:

Instrument/Probe Models Instrument S/N Probe S/N Alpha Efficiency1 Probe Active Area (cm2)

MARSSIM Class:

SU DCGLw (dpm/100cm2) 2360/43-93 202398 PR211706 0.073 100 1

5000 Concrete Walls Sample ID Measurement Type2 Alpha Counts (gross cpm)

Background3 (cpm)

Net Fixed-Point Result (net cpm)

Alpha Residual Surface Activity (dpm/100cm2)

Net Activity Exceeds DCGLw Strench,Sec5W,Sys#1 S

1 2.8

-1.8

-24.5 NO Strench,Sec5W,Sys#2 S

1 2.8

-1.8

-24.5 NO Strench,Sec5W,Sys#3 S

5 2.8 2.2 29.9 NO Strench,Sec5W,Sys#4 S

3 2.8 0.2 2.7 NO Strench,Sec5W,Sys#5 S

1 2.8

-1.8

-24.5 NO Strench,Sec5W,Sys#6 S

2 2.8

-0.8

-10.9 NO Strench,Sec5W,Sys#7 S

2 2.8

-0.8

-10.9 NO Strench,Sec5W,Sys#8 S

3 2.8 0.2 2.7 NO Strench,Sec5W,Sys#9 S

1 2.8

-1.8

-24.5 NO Strench,Sec5W,Sys#10 S

5 2.8 2.2 29.9 NO Strench,Sec5W,Sys#11 S

3 2.8 0.2 2.7 NO Strench,Sec5W,Sys#12 S

3 2.8 0.2 2.7 NO Strench,Sec5W,Sys#13 S

2 2.8

-0.8

-10.9 NO Strench,Sec5W,Sys#14 S

3 2.8 0.2 2.7 NO Strench,Sec5W,Sys#15 S

1 2.8

-1.8

-24.5 NO Strench,Sec5W,Sys#16 S

5 2.8 2.2 29.9 NO Strench,Sec5W,Sys#17 S

1 2.8

-1.8

-24.5 NO Strench,Sec5W,Sys#18 S

8 2.8 5.2 70.8 NO Strench,Sec5W,Sys#19 S

2 2.8

-0.8

-10.9 NO Strench,Sec5W,Sys#20 S

2 2.8

-0.8

-10.9 NO Strench,Sec5W,Sys#21 S

1 2.8

-1.8

-24.5 NO Strench,Sec5W,Sys#22 S

3 2.8 0.2 2.7 NO Mean

-2.2 Median

-10.9 Minimum

-24.5 Maximum 70.8 Std Dev (1s) 24.3 MARSSIM Sign Test Required?

NO Does survey unit meet release criterion?

YES ST,Sec5,SW,Bias#3B B

0 3.6

-3.6

-49.0 NO ST,Sec5,SW,Bias#9T B

2 3.6

-1.6

-21.8 NO ST,Sec5,SW,Bias#9B B

0 3.6

-3.6

-49.0 NO ST,Sec5,SW,Bias#15T B

3 3.6

-0.6

-8.2 NO ST,Sec5,SW,Bias#28T B

1 3.6

-2.6

-35.4 NO ST,Sec5,SW,Bias#28B B

1 3.6

-2.6

-35.4 NO ST,Sec5,NW,Bias#12T B

1 3.6

-2.6

-35.4 NO ST,Sec5,NW,Bias#12B B

4 3.6 0.4 5.4 NO ST,Sec5,NW,Bias#17B B

4 3.6 0.4 5.4 NO ST,Sec5,NW,Bias#31T B

2 3.6

-1.6

-21.8 NO ST,Sec5,NW,Bias#32B B

1 3.6

-2.6

-35.4 NO ST,Sec5,NW,Bias#40T B

1 3.6

-2.6

-35.4 NO Mean

-26.3 Median

-35.4 Minimum

-49.0 Maximum 5.4 Std Dev (1s) 18.7 NOTES:

1 Instrument Efficiency = Instrument static 2-pi efficiency for alpha 2

Sample Type: S = Systematic B = Biased 3

Mean of up to 5 background readings collected upon unimpacted concrete surfaces inside Building 3H/6H 4

MARSSIM (NRC, 2000) Sign Test required if a systematic measurement exceeds the DCGLw South Trench Section 5 - Wall Survey Unit - Alpha Static Measurement Results SU

Description:

Instrument/Probe Models Instrument S/N Probe S/N Beta Efficiency1 Probe Active Area (cm2)

MARSSIM Class:

SU DCGLw (dpm/100cm2) 2360/43-93 202398 PR211706 0.083 100 1

5000 Concrete Walls Sample ID Measurement Type2 Beta Counts (gross cpm)

Background3 (cpm)

Net Fixed-Point Result (net cpm)

Beta Residual Surface Activity (dpm/100cm2)

Net Activity Exceeds DCGLw Strench,Sec5W,Sys#1 S

236 241.6

-5.6

-67.2 NO Strench,Sec5W,Sys#2 S

216 241.6

-25.6

-307.1 NO Strench,Sec5W,Sys#3 S

222 241.6

-19.6

-235.1 NO Strench,Sec5W,Sys#4 S

237 241.6

-4.6

-55.2 NO Strench,Sec5W,Sys#5 S

234 241.6

-7.6

-91.2 NO Strench,Sec5W,Sys#6 S

234 241.6

-7.6

-91.2 NO Strench,Sec5W,Sys#7 S

223 241.6

-18.6

-223.1 NO Strench,Sec5W,Sys#8 S

203 241.6

-38.6

-463.0 NO Strench,Sec5W,Sys#9 S

203 241.6

-38.6

-463.0 NO Strench,Sec5W,Sys#10 S

218 241.6

-23.6

-283.1 NO Strench,Sec5W,Sys#11 S

211 241.6

-30.6

-367.1 NO Strench,Sec5W,Sys#12 S

225 241.6

-16.6

-199.1 NO Strench,Sec5W,Sys#13 S

237 241.6

-4.6

-55.2 NO Strench,Sec5W,Sys#14 S

194 241.6

-47.6

-571.0 NO Strench,Sec5W,Sys#15 S

208 241.6

-33.6

-403.1 NO Strench,Sec5W,Sys#16 S

187 241.6

-54.6

-655.0 NO Strench,Sec5W,Sys#17 S

238 241.6

-3.6

-43.2 NO Strench,Sec5W,Sys#18 S

214 241.6

-27.6

-331.1 NO Strench,Sec5W,Sys#19 S

218 241.6

-23.6

-283.1 NO Strench,Sec5W,Sys#20 S

203 241.6

-38.6

-463.0 NO Strench,Sec5W,Sys#21 S

268 241.6 26.4 316.7 NO Strench,Sec5W,Sys#22 S

220 241.6

-21.6

-259.1 NO Mean

-254.2 Median

-283.1 Minimum

-655.0 Maximum 316.7 Std Dev (1s) 215.9 MARSSIM Sign Test Required?

NO Does survey unit meet release criterion?

YES ST,Sec5,SW,Bias#3B B

215 242.8

-27.8

-333.5 NO ST,Sec5,SW,Bias#9T B

236 242.8

-6.8

-81.6 NO ST,Sec5,SW,Bias#9B B

193 242.8

-49.8

-597.4 NO ST,Sec5,SW,Bias#15T B

209 242.8

-33.8

-405.5 NO ST,Sec5,SW,Bias#28T B

210 242.8

-32.8

-393.5 NO ST,Sec5,SW,Bias#28B B

216 242.8

-26.8

-321.5 NO ST,Sec5,NW,Bias#12T B

216 242.8

-26.8

-321.5 NO ST,Sec5,NW,Bias#12B B

228 242.8

-14.8

-177.5 NO ST,Sec5,NW,Bias#17B B

208 242.8

-34.8

-417.4 NO ST,Sec5,NW,Bias#31T B

235 242.8

-7.8

-93.6 NO ST,Sec5,NW,Bias#32B B

199 242.8

-43.8

-525.4 NO ST,Sec5,NW,Bias#40T B

201 242.8

-41.8

-501.4 NO Mean

-347.5 Median

-363.5 Minimum

-597.4 Maximum

-81.6 Std Dev (1s) 163.4 NOTES:

1 Instrument Efficiency = Instrument static 2-pi efficiency for beta 2

Sample Type: S = Systematic B = Biased 3

Mean of up to 5 background readings collected upon unimpacted concrete surfaces inside Building 3H/6H 4

MARSSIM (NRC, 2000) Sign Test required if a systematic measurement exceeds the DCGLw South Trench Section 5 - Wall Survey Unit - Beta Static Measurement Results SU

Description:

Instrument/Probe Models Instrument S/N Probe S/N Alpha Efficiency1 Probe Active Area (cm2)

MARSSIM Class:

SU DCGLw (dpm/100cm2) 2360/43-93 202398 PR211706 0.073 100 1

5000 Concrete Floor Sample ID Measurement Type2 Alpha Counts (gross cpm)

Background3 (cpm)

Net Fixed-Point Result (net cpm)

Alpha Residual Surface Activity (dpm/100cm2)

Net Activity Exceeds DCGLw LateralTrench, Section 6F-1, Sys #1 S

3 4.0

-1.0

-13.6 NO LateralTrench, Section 6F-1, Sys #2 S

2 4.0

-2.0

-27.2 NO LateralTrench, Section 6F-1, Sys #3 S

2 4.0

-2.0

-27.2 NO LateralTrench, Section 6F-1, Sys #4 S

4 4.0 0.0 0.0 NO LateralTrench, Section 6F-1, Sys #5 S

3 4.0

-1.0

-13.6 NO LateralTrench, Section 6F-1, Sys #6 S

3 4.0

-1.0

-13.6 NO LateralTrench, Section 6F-1, Sys #7 S

1 4.0

-3.0

-40.8 NO LateralTrench, Section 6F-1, Sys #8 S

2 4.0

-2.0

-27.2 NO LateralTrench, Section 6F-1, Sys #9 S

2 4.0

-2.0

-27.2 NO LateralTrench, Section 6F-1, Sys #10 S

3 4.0

-1.0

-13.6 NO LateralTrench, Section 6F-1, Sys #11 S

3 4.0

-1.0

-13.6 NO LateralTrench, Section 6F-1, Sys #12 S

3 4.0

-1.0

-13.6 NO LateralTrench, Section 6F-1, Sys #13 S

2 4.0

-2.0

-27.2 NO LateralTrench, Section 6F-1, Sys #14 S

2 4.0

-2.0

-27.2 NO LateralTrench, Section 6F-1, Sys #15 S

2 4.0

-2.0

-27.2 NO LateralTrench, Section 6F-1, Sys #16 S

4 4.0 0.0 0.0 NO LateralTrench, Section 6F-1, Sys #17 S

3 4.0

-1.0

-13.6 NO LateralTrench, Section 6F-1, Sys #18 S

2 4.0

-2.0

-27.2 NO LateralTrench, Section 6F-1, Sys #19 S

1 4.0

-3.0

-40.8 NO LateralTrench, Section 6F-1, Sys #20 S

3 4.0

-1.0

-13.6 NO LateralTrench, Section 6F-1, Sys #21 S

2 4.0

-2.0

-27.2 NO LateralTrench, Section 6F-1, Sys #22 S

2 4.0

-2.0

-27.2 NO Mean

-21.0 Median

-27.2 Minimum

-40.8 Maximum 0.0 Std Dev (1s) 10.9 MARSSIM Sign Test Required?

NO Does survey unit meet release criterion?

YES NOTES:

1 Instrument Efficiency = Instrument static 2-pi efficiency for alpha 2

Sample Type: S = Systematic B = Biased 3

Mean of up to 5 background readings collected upon unimpacted concrete surfaces inside Building 3H/6H 4

MARSSIM (NRC, 2000) Sign Test required if a systematic measurement exceeds the DCGLw Lateral Trench Section 6 - Floor Survey Unit - Alpha Static Measurement Results SU

Description:

Instrument/Probe Models Instrument S/N Probe S/N Beta Efficiency1 Probe Active Area (cm2)

MARSSIM Class:

SU DCGLw (dpm/100cm2) 2360/43-93 202398 PR211706 0.083 100 1

5000 Concrete Floor Sample ID Measurement Type2 Beta Counts (gross cpm)

Background3 (cpm)

Net Fixed-Point Result (net cpm)

Beta Residual Surface Activity (dpm/100cm2)

Net Activity Exceeds DCGLw LateralTrench, Section 6F-1, Sys #1 S

181 257.2

-76.2

-914.1 NO LateralTrench, Section 6F-1, Sys #2 S

169 257.2

-88.2

-1058.0 NO LateralTrench, Section 6F-1, Sys #3 S

196 257.2

-61.2

-734.1 NO LateralTrench, Section 6F-1, Sys #4 S

176 257.2

-81.2

-974.0 NO LateralTrench, Section 6F-1, Sys #5 S

194 257.2

-63.2

-758.1 NO LateralTrench, Section 6F-1, Sys #6 S

179 257.2

-78.2

-938.1 NO LateralTrench, Section 6F-1, Sys #7 S

149 257.2

-108.2

-1297.9 NO LateralTrench, Section 6F-1, Sys #8 S

160 257.2

-97.2

-1166.0 NO LateralTrench, Section 6F-1, Sys #9 S

164 257.2

-93.2

-1118.0 NO LateralTrench, Section 6F-1, Sys #10 S

159 257.2

-98.2

-1178.0 NO LateralTrench, Section 6F-1, Sys #11 S

162 257.2

-95.2

-1142.0 NO LateralTrench, Section 6F-1, Sys #12 S

159 257.2

-98.2

-1178.0 NO LateralTrench, Section 6F-1, Sys #13 S

175 257.2

-82.2

-986.0 NO LateralTrench, Section 6F-1, Sys #14 S

182 257.2

-75.2

-902.1 NO LateralTrench, Section 6F-1, Sys #15 S

176 257.2

-81.2

-974.0 NO LateralTrench, Section 6F-1, Sys #16 S

182 257.2

-75.2

-902.1 NO LateralTrench, Section 6F-1, Sys #17 S

165 257.2

-92.2

-1106.0 NO LateralTrench, Section 6F-1, Sys #18 S

175 257.2

-82.2

-986.0 NO LateralTrench, Section 6F-1, Sys #19 S

159 257.2

-98.2

-1178.0 NO LateralTrench, Section 6F-1, Sys #20 S

162 257.2

-95.2

-1142.0 NO LateralTrench, Section 6F-1, Sys #21 S

178 257.2

-79.2

-950.1 NO LateralTrench, Section 6F-1, Sys #22 S

172 257.2

-85.2

-1022.0 NO Mean

-1027.5 Median

-1022.0 Minimum

-1297.9 Maximum

-734.1 Std Dev (1s) 142.7 MARSSIM Sign Test Required?

NO Does survey unit meet release criterion?

YES NOTES:

1 Instrument Efficiency = Instrument static 2-pi efficiency for beta 2

Sample Type: S = Systematic B = Biased 3

Mean of up to 5 background readings collected upon unimpacted concrete surfaces inside Building 3H/6H 4

MARSSIM (NRC, 2000) Sign Test required if a systematic measurement exceeds the DCGLw Lateral Trench Section 6 - Floor Survey Unit - Beta Static Measurement Results SU

Description:

Instrument/Probe Models Instrument S/N Probe S/N Alpha Efficiency1 Probe Active Area (cm2)

MARSSIM Class:

SU DCGLw (dpm/100cm2) 2224-1/43-93 162426 PR193921 0.071 100 1

5000 Concrete Floor Sample ID Measurement Type2 Alpha Counts (gross cpm)

Background3 (cpm)

Net Fixed-Point Result (net cpm)

Alpha Residual Surface Activity (dpm/100cm2)

Net Activity Exceeds DCGLw North Trench, Columns 16 to 18, Floor, Sys #1 S

4 9.8

-5.8

-81.3 NO North Trench, Columns 16 to 18, Floor, Sys #2 S

3 9.8

-6.8

-95.3 NO North Trench, Columns 16 to 18, Floor, Sys #3 S

3 9.8

-6.8

-95.3 NO North Trench, Columns 16 to 18, Floor, Sys #4 S

2 9.8

-7.8

-109.3 NO North Trench, Columns 16 to 18, Floor, Sys #5 S

3 9.8

-6.8

-95.3 NO North Trench, Columns 16 to 18, Floor, Sys #6 S

2 9.8

-7.8

-109.3 NO North Trench, Columns 16 to 18, Floor, Sys #7 S

1 9.8

-8.8

-123.3 NO North Trench, Columns 16 to 18, Floor, Sys #8 S

2 9.8

-7.8

-109.3 NO North Trench, Columns 16 to 18, Floor, Sys #9 S

4 9.8

-5.8

-81.3 NO North Trench, Columns 16 to 18, Floor, Sys #10 S

3 9.8

-6.8

-95.3 NO North Trench, Columns 16 to 18, Floor, Sys #11 S

2 9.8

-7.8

-109.3 NO North Trench, Columns 16 to 18, Floor, Sys #12 S

2 9.8

-7.8

-109.3 NO North Trench, Columns 16 to 18, Floor, Sys #13 S

3 9.8

-6.8

-95.3 NO North Trench, Columns 16 to 18, Floor, Sys #14 S

1 9.8

-8.8

-123.3 NO North Trench, Columns 16 to 18, Floor, Sys #15 S

2 9.8

-7.8

-109.3 NO North Trench, Columns 16 to 18, Floor, Sys #16 S

4 9.8

-5.8

-81.3 NO North Trench, Columns 16 to 18, Floor, Sys #17 S

3 9.8

-6.8

-95.3 NO North Trench, Columns 16 to 18, Floor, Sys #18 S

3 9.8

-6.8

-95.3 NO North Trench, Columns 16 to 18, Floor, Sys #19 S

2 9.8

-7.8

-109.3 NO North Trench, Columns 16 to 18, Floor, Sys #20 S

2 9.8

-7.8

-109.3 NO North Trench, Columns 16 to 18, Floor, Sys #21 S

3 9.8

-6.8

-95.3 NO North Trench, Columns 16 to 18, Floor, Sys #22 S

4 9.8

-5.8

-81.3 NO Mean

-100.4 Median

-95.3 Minimum

-123.3 Maximum

-81.3 Std Dev (1s) 12.6 MARSSIM Sign Test Required?

NO Does survey unit meet release criterion?

YES NOTES:

1 Instrument Efficiency = Instrument static 2-pi efficiency for alpha 2

Sample Type: S = Systematic B = Biased 3

Mean of up to 5 background readings collected upon unimpacted concrete surfaces inside Building 3H/6H 4

MARSSIM (NRC, 2000) Sign Test required if a systematic measurement exceeds the DCGLw North Trench Section 6 - Floor Survey Unit - Alpha Static Measurement Results SU

Description:

Instrument/Probe Models Instrument S/N Probe S/N Beta Efficiency1 Probe Active Area (cm2)

MARSSIM Class:

SU DCGLw (dpm/100cm2) 2224-1/43-93 162426 PR193921 0.104 100 1

5000 Concrete Floor Sample ID Measurement Type2 Beta Counts (gross cpm)

Background3 (cpm)

Net Fixed-Point Result (net cpm)

Beta Residual Surface Activity (dpm/100cm2)

Net Activity Exceeds DCGLw North Trench, Columns 16 to 18, Floor, Sys #1 S

172 251.0

-79.0

-762.1 NO North Trench, Columns 16 to 18, Floor, Sys #2 S

167 251.0

-84.0

-810.3 NO North Trench, Columns 16 to 18, Floor, Sys #3 S

178 251.0

-73.0

-704.2 NO North Trench, Columns 16 to 18, Floor, Sys #4 S

169 251.0

-82.0

-791.0 NO North Trench, Columns 16 to 18, Floor, Sys #5 S

172 251.0

-79.0

-762.1 NO North Trench, Columns 16 to 18, Floor, Sys #6 S

179 251.0

-72.0

-694.5 NO North Trench, Columns 16 to 18, Floor, Sys #7 S

162 251.0

-89.0

-858.5 NO North Trench, Columns 16 to 18, Floor, Sys #8 S

178 251.0

-73.0

-704.2 NO North Trench, Columns 16 to 18, Floor, Sys #9 S

182 251.0

-69.0

-665.6 NO North Trench, Columns 16 to 18, Floor, Sys #10 S

165 251.0

-86.0

-829.6 NO North Trench, Columns 16 to 18, Floor, Sys #11 S

179 251.0

-72.0

-694.5 NO North Trench, Columns 16 to 18, Floor, Sys #12 S

189 251.0

-62.0

-598.1 NO North Trench, Columns 16 to 18, Floor, Sys #13 S

180 251.0

-71.0

-684.9 NO North Trench, Columns 16 to 18, Floor, Sys #14 S

169 251.0

-82.0

-791.0 NO North Trench, Columns 16 to 18, Floor, Sys #15 S

172 251.0

-79.0

-762.1 NO North Trench, Columns 16 to 18, Floor, Sys #16 S

182 251.0

-69.0

-665.6 NO North Trench, Columns 16 to 18, Floor, Sys #17 S

189 251.0

-62.0

-598.1 NO North Trench, Columns 16 to 18, Floor, Sys #18 S

169 251.0

-82.0

-791.0 NO North Trench, Columns 16 to 18, Floor, Sys #19 S

176 251.0

-75.0

-723.5 NO North Trench, Columns 16 to 18, Floor, Sys #20 S

190 251.0

-61.0

-588.4 NO North Trench, Columns 16 to 18, Floor, Sys #21 S

179 251.0

-72.0

-694.5 NO North Trench, Columns 16 to 18, Floor, Sys #22 S

183 251.0

-68.0

-656.0 NO Mean

-719.5 Median

-704.2 Minimum

-858.5 Maximum

-588.4 Std Dev (1s) 75.8 MARSSIM Sign Test Required?

NO Does survey unit meet release criterion?

YES NOTES:

1 Instrument Efficiency = Instrument static 2-pi efficiency for beta 2

Sample Type: S = Systematic B = Biased 3

Mean of up to 5 background readings collected upon unimpacted concrete surfaces inside Building 3H/6H 4

MARSSIM (NRC, 2000) Sign Test required if a systematic measurement exceeds the DCGLw North Trench Section 6 - Floor Survey Unit - Beta Static Measurement Results SU

Description:

Instrument/Probe Models Instrument S/N Probe S/N Alpha Efficiency1 Probe Active Area (cm2)

MARSSIM Class:

SU DCGLw (dpm/100cm2) 2360/43-93 202398 PR211706 0.073 100 1

5000 Concrete Walls Sample ID Measurement Type2 Alpha Counts (gross cpm)

Background3 (cpm)

Net Fixed-Point Result (net cpm)

Alpha Residual Surface Activity (dpm/100cm2)

Net Activity Exceeds DCGLw LateralTrench, Section 6W-1, Sys #1 S

3 3.6

-0.6

-8.2 NO LateralTrench, Section 6W-1, Sys #2 S

1 3.6

-2.6

-35.4 NO LateralTrench, Section 6W-1, Sys #3 S

3 3.6

-0.6

-8.2 NO LateralTrench, Section 6W-1, Sys #4 S

2 3.6

-1.6

-21.8 NO LateralTrench, Section 6W-1, Sys #5 S

2 3.6

-1.6

-21.8 NO LateralTrench, Section 6W-1, Sys #6 S

3 3.6

-0.6

-8.2 NO LateralTrench, Section 6W-1, Sys #7 S

4 3.6 0.4 5.4 NO LateralTrench, Section 6W-1, Sys #8 S

2 3.6

-1.6

-21.8 NO LateralTrench, Section 6W-1, Sys #9 S

3 3.6

-0.6

-8.2 NO LateralTrench, Section 6W-1, Sys #10 S

4 3.6 0.4 5.4 NO LateralTrench, Section 6W-1, Sys #11 S

3 3.6

-0.6

-8.2 NO LateralTrench, Section 6W-1, Sys #12 S

1 3.6

-2.6

-35.4 NO LateralTrench, Section 6W-1, Sys #13 S

1 3.6

-2.6

-35.4 NO LateralTrench, Section 6W-1, Sys #14 S

4 3.6 0.4 5.4 NO LateralTrench, Section 6W-1, Sys #15 S

1 3.6

-2.6

-35.4 NO LateralTrench, Section 6W-1, Sys #16 S

3 3.6

-0.6

-8.2 NO LateralTrench, Section 6W-1, Sys #17 S

2 3.6

-1.6

-21.8 NO LateralTrench, Section 6W-1, Sys #18 S

1 3.6

-2.6

-35.4 NO LateralTrench, Section 6W-1, Sys #19 S

3 3.6

-0.6

-8.2 NO LateralTrench, Section 6W-1, Sys #20 S

1 3.6

-2.6

-35.4 NO LateralTrench, Section 6W-1, Sys #21 S

1 3.6

-2.6

-35.4 NO LateralTrench, Section 6W-1, Sys #22 S

0 3.6

-3.6

-49.0 NO Mean

-19.3 Median

-21.8 Minimum

-49.0 Maximum 5.4 Std Dev (1s) 16.1 MARSSIM Sign Test Required?

NO Does survey unit meet release criterion?

YES ST, Section 6W-1, Wwall, Grid 3 Bottom Biased #1 B

3 3.6

-0.6

-8.2 NO ST, Section 6W-1, Wwall, Grid 10 Bottom Biased #2 B

1 3.6

-2.6

-35.4 NO ST, Section 6W-1, Ewall, Grid 10 Top Biased #3 B

1 3.6

-2.6

-35.4 NO ST, Section 6W-1, Ewall, Grid 30 Bottom Biased #4 B

3 3.6

-0.6

-8.2 NO Mean

-21.8 Median

-21.8 Minimum

-35.4 Maximum

-8.2 Std Dev (1s) 15.7 NOTES:

1 Instrument Efficiency = Instrument static 2-pi efficiency for alpha 2

Sample Type: S = Systematic B = Biased 3

Mean of up to 5 background readings collected upon unimpacted concrete surfaces inside Building 3H/6H 4

MARSSIM (NRC, 2000) Sign Test required if a systematic measurement exceeds the DCGLw Lateral Trench Section 6 - Wall Survey Unit - Alpha Static Measurement Results SU

Description:

Instrument/Probe Models Instrument S/N Probe S/N Beta Efficiency1 Probe Active Area (cm2)

MARSSIM Class:

SU DCGLw (dpm/100cm2) 2360/43-93 202398 PR211706 0.083 100 1

5000 Concrete Walls Sample ID Measurement Type2 Beta Counts (gross cpm)

Background3 (cpm)

Net Fixed-Point Result (net cpm)

Beta Residual Surface Activity (dpm/100cm2)

Net Activity Exceeds DCGLw LateralTrench, Section 6W-1, Sys #1 S

207 242.8

-35.8

-429.4 NO LateralTrench, Section 6W-1, Sys #2 S

202 242.8

-40.8

-489.4 NO LateralTrench, Section 6W-1, Sys #3 S

196 242.8

-46.8

-561.4 NO LateralTrench, Section 6W-1, Sys #4 S

229 242.8

-13.8

-165.5 NO LateralTrench, Section 6W-1, Sys #5 S

201 242.8

-41.8

-501.4 NO LateralTrench, Section 6W-1, Sys #6 S

223 242.8

-19.8

-237.5 NO LateralTrench, Section 6W-1, Sys #7 S

260 242.8 17.2 206.3 NO LateralTrench, Section 6W-1, Sys #8 S

213 242.8

-29.8

-357.5 NO LateralTrench, Section 6W-1, Sys #9 S

225 242.8

-17.8

-213.5 NO LateralTrench, Section 6W-1, Sys #10 S

214 242.8

-28.8

-345.5 NO LateralTrench, Section 6W-1, Sys #11 S

204 242.8

-38.8

-465.4 NO LateralTrench, Section 6W-1, Sys #12 S

283 242.8 40.2 482.2 NO LateralTrench, Section 6W-1, Sys #13 S

217 242.8

-25.8

-309.5 NO LateralTrench, Section 6W-1, Sys #14 S

217 242.8

-25.8

-309.5 NO LateralTrench, Section 6W-1, Sys #15 S

197 242.8

-45.8

-549.4 NO LateralTrench, Section 6W-1, Sys #16 S

277 242.8 34.2 410.3 NO LateralTrench, Section 6W-1, Sys #17 S

242 242.8

-0.8

-9.6 NO LateralTrench, Section 6W-1, Sys #18 S

240 242.8

-2.8

-33.6 NO LateralTrench, Section 6W-1, Sys #19 S

214 242.8

-28.8

-345.5 NO LateralTrench, Section 6W-1, Sys #20 S

224 242.8

-18.8

-225.5 NO LateralTrench, Section 6W-1, Sys #21 S

223 242.8

-19.8

-237.5 NO LateralTrench, Section 6W-1, Sys #22 S

231 242.8

-11.8

-141.5 NO Mean

-219.5 Median

-273.5 Minimum

-561.4 Maximum 482.2 Std Dev (1s) 285.2 MARSSIM Sign Test Required?

NO Does survey unit meet release criterion?

YES ST, Section 6W-1, Wwall, Grid 3 Bottom Biased #1 B

210 242.8

-32.8

-393.5 NO ST, Section 6W-1, Wwall, Grid 10 Bottom Biased #2 B

215 242.8

-27.8

-333.5 NO ST, Section 6W-1, Ewall, Grid 10 Top Biased #3 B

232 242.8

-10.8

-129.6 NO ST, Section 6W-1, Ewall, Grid 30 Bottom Biased #4 B

214 242.8

-28.8

-345.5 NO Mean

-300.5 Median

-339.5 Minimum

-393.5 Maximum

-129.6 Std Dev (1s) 116.9 NOTES:

1 Instrument Efficiency = Instrument static 2-pi efficiency for beta 2

Sample Type: S = Systematic B = Biased 3

Mean of up to 5 background readings collected upon unimpacted concrete surfaces inside Building 3H/6H 4

MARSSIM (NRC, 2000) Sign Test required if a systematic measurement exceeds the DCGLw Lateral Trench Section 6 - Wall Survey Unit - Beta Static Measurement Results SU

Description:

Instrument/Probe Models Instrument S/N Probe S/N Alpha Efficiency1 Probe Active Area (cm2)

MARSSIM Class:

SU DCGLw (dpm/100cm2) 2224-1/43-93 162426 PR193921 0.071 100 1

5000 Concrete Walls Sample ID Measurement Type2 Alpha Counts (gross cpm)

Background3 (cpm)

Net Fixed-Point Result (net cpm)

Alpha Residual Surface Activity (dpm/100cm2)

Net Activity Exceeds DCGLw North Trench, Columns 16 to 18, North Wall, Sys #1 S

1 3.6

-2.6

-36.4 NO North Trench, Columns 16 to 18, North Wall, Sys #2 S

3 3.6

-0.6

-8.4 NO North Trench, Columns 16 to 18, North Wall, Sys #3 S

3 3.6

-0.6

-8.4 NO North Trench, Columns 16 to 18, North Wall, Sys #4 S

2 3.6

-1.6

-22.4 NO North Trench, Columns 16 to 18, North Wall, Sys #5 S

1 3.6

-2.6

-36.4 NO North Trench, Columns 16 to 18, North Wall, Sys #6 S

3 3.6

-0.6

-8.4 NO North Trench, Columns 16 to 18, North Wall, Sys #7 S

4 3.6 0.4 5.6 NO North Trench, Columns 16 to 18, North Wall, Sys #8 S

2 3.6

-1.6

-22.4 NO North Trench, Columns 16 to 18, South Wall, Sys #9 S

3 3.6

-0.6

-8.4 NO North Trench, Columns 16 to 18, South Wall, Sys #10 S

1 3.6

-2.6

-36.4 NO North Trench, Columns 16 to 18, South Wall, Sys #11 S

4 3.6 0.4 5.6 NO North Trench, Columns 16 to 18, South Wall, Sys #12 S

3 3.6

-0.6

-8.4 NO North Trench, Columns 16 to 18, South Wall, Sys #13 S

2 3.6

-1.6

-22.4 NO North Trench, Columns 16 to 18, South Wall, Sys #14 S

4 3.6 0.4 5.6 NO North Trench, Columns 16 to 18, South Wall, Sys #15 S

3 3.6

-0.6

-8.4 NO North Trench, Columns 16 to 18, South Wall, Sys #16 S

2 3.6

-1.6

-22.4 NO North Trench, Columns 16 to 18, West Wall, Sys #17 S

4 3.6 0.4 5.6 NO North Trench, Columns 16 to 18, West Wall, Sys #18 S

3 3.6

-0.6

-8.4 NO North Trench, Columns 16 to 18, West Wall, Sys #19 S

2 3.6

-1.6

-22.4 NO North Trench, Columns 16 to 18, East Wall, Sys #20 S

4 3.6 0.4 5.6 NO North Trench, Columns 16 to 18, East Wall, Sys #21 S

2 3.6

-1.6

-22.4 NO North Trench, Columns 16 to 18, East Wall, Sys #22 S

2 3.6

-1.6

-22.4 NO Mean

-13.5 Median

-8.4 Minimum

-36.4 Maximum 5.6 Std Dev (1s) 14.0 MARSSIM Sign Test Required?

NO Does survey unit meet release criterion?

YES ST, Section 6W-1, Wwall, Grid 3 Bottom Biased #1 B

3 3.6

-0.6

-8.4 NO ST, Section 6W-1, Wwall, Grid 10 Bottom Biased #2 B

1 3.6

-2.6

-36.4 NO ST, Section 6W-1, Ewall, Grid 10 Top Biased #3 B

1 3.6

-2.6

-36.4 NO ST, Section 6W-1, Ewall, Grid 30 Bottom Biased #4 B

3 3.6

-0.6

-8.4 NO Mean

-22.4 Median

-22.4 Minimum

-36.4 Maximum

-8.4 Std Dev (1s) 16.2 NOTES:

1 Instrument Efficiency = Instrument static 2-pi efficiency for alpha 2

Sample Type: S = Systematic B = Biased 3

Mean of up to 5 background readings collected upon unimpacted concrete surfaces inside Building 3H/6H 4

MARSSIM (NRC, 2000) Sign Test required if a systematic measurement exceeds the DCGLw North Trench Section 6 - Wall Survey Unit - Alpha Static Measurement Results SU

Description:

Instrument/Probe Models Instrument S/N Probe S/N Beta Efficiency1 Probe Active Area (cm2)

MARSSIM Class:

SU DCGLw (dpm/100cm2) 2360/43-93 202398 PR211706 0.083 100 1

5000 Concrete Walls Sample ID Measurement Type2 Beta Counts (gross cpm)

Background3 (cpm)

Net Fixed-Point Result (net cpm)

Beta Residual Surface Activity (dpm/100cm2)

Net Activity Exceeds DCGLw North Trench, Columns 16 to 18, North Wall, Sys #1 S

183 242.8

-59.8

-717.3 NO North Trench, Columns 16 to 18, North Wall, Sys #2 S

173 242.8

-69.8

-837.3 NO North Trench, Columns 16 to 18, North Wall, Sys #3 S

179 242.8

-63.8

-765.3 NO North Trench, Columns 16 to 18, North Wall, Sys #4 S

169 242.8

-73.8

-885.3 NO North Trench, Columns 16 to 18, North Wall, Sys #5 S

180 242.8

-62.8

-753.3 NO North Trench, Columns 16 to 18, North Wall, Sys #6 S

168 242.8

-74.8

-897.3 NO North Trench, Columns 16 to 18, North Wall, Sys #7 S

184 242.8

-58.8

-705.3 NO North Trench, Columns 16 to 18, North Wall, Sys #8 S

174 242.8

-68.8

-825.3 NO North Trench, Columns 16 to 18, South Wall, Sys #9 S

187 242.8

-55.8

-669.4 NO North Trench, Columns 16 to 18, South Wall, Sys #10 S

157 242.8

-85.8

-1029.2 NO North Trench, Columns 16 to 18, South Wall, Sys #11 S

172 242.8

-70.8

-849.3 NO North Trench, Columns 16 to 18, South Wall, Sys #12 S

181 242.8

-61.8

-741.3 NO North Trench, Columns 16 to 18, South Wall, Sys #13 S

165 242.8

-77.8

-933.3 NO North Trench, Columns 16 to 18, South Wall, Sys #14 S

166 242.8

-76.8

-921.3 NO North Trench, Columns 16 to 18, South Wall, Sys #15 S

171 242.8

-71.8

-861.3 NO North Trench, Columns 16 to 18, South Wall, Sys #16 S

160 242.8

-82.8

-993.2 NO North Trench, Columns 16 to 18, West Wall, Sys #17 S

161 242.8

-81.8

-981.2 NO North Trench, Columns 16 to 18, West Wall, Sys #18 S

165 242.8

-77.8

-933.3 NO North Trench, Columns 16 to 18, West Wall, Sys #19 S

198 242.8

-44.8

-537.4 NO North Trench, Columns 16 to 18, East Wall, Sys #20 S

169 242.8

-73.8

-885.3 NO North Trench, Columns 16 to 18, East Wall, Sys #21 S

168 242.8

-74.8

-897.3 NO North Trench, Columns 16 to 18, East Wall, Sys #22 S

175 242.8

-67.8

-813.3 NO Mean

-837.8 Median

-855.3 Minimum

-1029.2 Maximum

-537.4 Std Dev (1s) 117.9 MARSSIM Sign Test Required?

NO Does survey unit meet release criterion?

YES ST, Section 6W-1, Wwall, Grid 3 Bottom Biased #1 B

210 242.8

-32.8

-393.5 NO ST, Section 6W-1, Wwall, Grid 10 Bottom Biased #2 B

215 242.8

-27.8

-333.5 NO ST, Section 6W-1, Ewall, Grid 10 Top Biased #3 B

232 242.8

-10.8

-129.6 NO ST, Section 6W-1, Ewall, Grid 30 Bottom Biased #4 B

214 242.8

-28.8

-345.5 NO Mean

-300.5 Median

-339.5 Minimum

-393.5 Maximum

-129.6 Std Dev (1s) 116.9 NOTES:

1 Instrument Efficiency = Instrument static 2-pi efficiency for beta 2

Sample Type: S = Systematic B = Biased 3

Mean of up to 5 background readings collected upon unimpacted concrete surfaces inside Building 3H/6H 4

MARSSIM (NRC, 2000) Sign Test required if a systematic measurement exceeds the DCGLw North Trench Section 6 - Wall Survey Unit - Beta Static Measurement Results SU

Description:

Instrument/Probe Models Instrument S/N Probe S/N Alpha Efficiency1 Probe Active Area (cm2)

MARSSIM Class:

SU DCGLw (dpm/100cm2) 2360/43-93 202398 PR211706 0.073 100 1

5000 Concrete Floor Sample ID Measurement Type2 Alpha Counts (gross cpm)

Background3 (cpm)

Net Fixed-Point Result (net cpm)

Alpha Residual Surface Activity (dpm/100cm2)

Net Activity Exceeds DCGLw NorthTrench, SU 6FW-1, Syst #1, Floor, Grid #2 S

5 4.0 1.0 13.6 NO NorthTrench, SU 6FW-1, Syst #2, North Wall, Grid #12 S

5 4.0 1.0 13.6 NO NorthTrench, SU 6FW-1, Syst #3, South Wall, Grid #12 S

4 4.0 0.0 0.0 NO NorthTrench, SU 6FW-1, Syst #4, Floor, Grid #14 S

1 4.0

-3.0

-40.8 NO NorthTrench, SU 6FW-1, Syst #5, North Wall, Grid #24 S

1 4.0

-3.0

-40.8 NO NorthTrench, SU 6FW-1, Syst #6, South Wall, Grid #25 S

2 4.0

-2.0

-27.2 NO NorthTrench, SU 6FW-1, Syst #7, Floor, Grid #26 S

1 4.0

-3.0

-40.8 NO NorthTrench, SU 6FW-1, Syst #8, North Wall, Grid #36 S

1 4.0

-3.0

-40.8 NO NorthTrench, SU 6FW-1, Syst #9, South Wall, Grid #37 S

7 4.0 3.0 40.8 NO NorthTrench, SU 6FW-1, Syst #10, Floor, Grid #38 S

7 4.0 3.0 40.8 NO NorthTrench, SU 6FW-1, Syst #11, North Wall, Grid #48 S

7 4.0 3.0 40.8 NO NorthTrench, SU 6FW-1, Syst #12, South Wall, Grid #49 S

1 4.0

-3.0

-40.8 NO NorthTrench, SU 6FW-1, Syst #13, Floor, Grid #50 S

4 4.0 0.0 0.0 NO NorthTrench, SU 6FW-1, Syst #14, North Wall, Grid #60 S

3 4.0

-1.0

-13.6 NO NorthTrench, SU 6FW-1, Syst #15, South Wall, Grid #61 S

6 4.0 2.0 27.2 NO NorthTrench, SU 6FW-1, Syst #16, Floor, Grid #62 S

3 4.0

-1.0

-13.6 NO NorthTrench, SU 6FW-1, Syst #17, North Wall, Grid #72 S

4 4.0 0.0 0.0 NO NorthTrench, SU 6FW-1, Syst #18, South Wall, Grid #73 S

3 4.0

-1.0

-13.6 NO NorthTrench, SU 6FW-1, Syst #19, Floor, Grid #74 S

4 4.0 0.0 0.0 NO NorthTrench, SU 6FW-1, Syst #20, North Wall, Grid #84 S

4 4.0 0.0 0.0 NO NorthTrench, SU 6FW-1, Syst #21, South Wall, Grid #85 S

3 4.0

-1.0

-13.6 NO NorthTrench, SU 6FW-1, Syst #22, Floor, Grid #86 S

3 4.0

-1.0

-13.6 NO Mean

-5.6 Median

-13.6 Minimum

-40.8 Maximum 40.8 Std Dev (1s) 27.1 MARSSIM Sign Test Required?

NO Does survey unit meet release criterion?

YES NorthTrench, Section6FW-1, South Wall Grid 16 Top, Biased #23 B

3 4.0

-1.0

-13.6 NO NorthTrench, Section6FW-1, South Wall Grid 50 Bottom, Biased #24 B

2 4.0

-2.0

-27.2 NO NorthTrench, Section6FW-1, South Wall Grid 83 Top, Biased #25 B

5 4.0 1.0 13.6 NO NorthTrench, Section6FW-1, North Wall Grid 43 Bottom, Biased #26 B

4 4.0 0.0 0.0 NO NorthTrench, Section6FW-1, North Wall Grid 87 Bottom, Biased #27 B

6 4.0 2.0 27.2 NO NorthTrench, Section6FW-1, North Wall Grid 16 Bottom, Biased #28 B

1 4.0

-3.0

-40.8 NO NorthTrench, Section6FW-1, North Wall Grid 21 Bottom, Biased #29 B

2 4.0

-2.0

-27.2 NO NorthTrench, Section6FW-1, North Wall Grid 31 Top, Biased #30 B

5 4.0 1.0 13.6 NO NorthTrench, Section6FW-1, North Wall Grid 31 Bottom, Biased #31 B

6 4.0 2.0 27.2 NO NorthTrench, Section6FW-1, North Wall Grid 32 Bottom, Biased #32 B

2 4.0

-2.0

-27.2 NO Mean

-5.4 Median

-6.8 Minimum

-40.8 Maximum 27.2 Std Dev (1s) 25.0 NOTES:

1 Instrument Efficiency = Instrument static 2-pi efficiency for alpha 2

Sample Type: S = Systematic B = Biased 3

Mean of up to 5 background readings collected upon unimpacted concrete surfaces inside Building 3H/6H 4

MARSSIM (NRC, 2000) Sign Test required if a systematic measurement exceeds the DCGLw North Trench Section 6 - Floor/Wall Survey Unit - Alpha Static Measurement Results SU

Description:

Instrument/Probe Models Instrument S/N Probe S/N Beta Efficiency1 Probe Active Area (cm2)

MARSSIM Class:

SU DCGLw (dpm/100cm2) 2360/43-93 202398 PR211706 0.083 100 1

5000 Concrete Floor Sample ID Measurement Type2 Beta Counts (gross cpm)

Background3 (cpm)

Net Fixed-Point Result (net cpm)

Beta Residual Surface Activity (dpm/100cm2)

Net Activity Exceeds DCGLw NorthTrench, SU 6FW-1, Syst #1, Floor, Grid #2 S

182 257.2

-75.2

-902.1 NO NorthTrench, SU 6FW-1, Syst #2, North Wall, Grid #12 S

202 257.2

-55.2

-662.2 NO NorthTrench, SU 6FW-1, Syst #3, South Wall, Grid #12 S

170 257.2

-87.2

-1046.0 NO NorthTrench, SU 6FW-1, Syst #4, Floor, Grid #14 S

215 257.2

-42.2

-506.2 NO NorthTrench, SU 6FW-1, Syst #5, North Wall, Grid #24 S

170 257.2

-87.2

-1046.0 NO NorthTrench, SU 6FW-1, Syst #6, South Wall, Grid #25 S

186 257.2

-71.2

-854.1 NO NorthTrench, SU 6FW-1, Syst #7, Floor, Grid #26 S

216 257.2

-41.2

-494.2 NO NorthTrench, SU 6FW-1, Syst #8, North Wall, Grid #36 S

197 257.2

-60.2

-722.1 NO NorthTrench, SU 6FW-1, Syst #9, South Wall, Grid #37 S

207 257.2

-50.2

-602.2 NO NorthTrench, SU 6FW-1, Syst #10, Floor, Grid #38 S

223 257.2

-34.2

-410.3 NO NorthTrench, SU 6FW-1, Syst #11, North Wall, Grid #48 S

205 257.2

-52.2

-626.2 NO NorthTrench, SU 6FW-1, Syst #12, South Wall, Grid #49 S

228 257.2

-29.2

-350.3 NO NorthTrench, SU 6FW-1, Syst #13, Floor, Grid #50 S

225 257.2

-32.2

-386.3 NO NorthTrench, SU 6FW-1, Syst #14, North Wall, Grid #60 S

171 257.2

-86.2

-1034.0 NO NorthTrench, SU 6FW-1, Syst #15, South Wall, Grid #61 S

180 257.2

-77.2

-926.1 NO NorthTrench, SU 6FW-1, Syst #16, Floor, Grid #62 S

202 257.2

-55.2

-662.2 NO NorthTrench, SU 6FW-1, Syst #17, North Wall, Grid #72 S

183 257.2

-74.2

-890.1 NO NorthTrench, SU 6FW-1, Syst #18, South Wall, Grid #73 S

210 257.2

-47.2

-566.2 NO NorthTrench, SU 6FW-1, Syst #19, Floor, Grid #74 S

218 257.2

-39.2

-470.2 NO NorthTrench, SU 6FW-1, Syst #20, North Wall, Grid #84 S

186 257.2

-71.2

-854.1 NO NorthTrench, SU 6FW-1, Syst #21, South Wall, Grid #85 S

178 257.2

-79.2

-950.1 NO NorthTrench, SU 6FW-1, Syst #22, Floor, Grid #86 S

189 257.2

-68.2

-818.1 NO Mean

-717.2 Median

-662.2 Minimum

-1046.0 Maximum

-350.3 Std Dev (1s) 225.7 MARSSIM Sign Test Required?

NO Does survey unit meet release criterion?

YES NorthTrench, Section6FW-1, South Wall Grid 16 Top, Biased #23 B

161 257.2

-96.2

-1154.0 NO NorthTrench, Section6FW-1, South Wall Grid 50 Bottom, Biased #24 B

232 257.2

-25.2

-302.3 NO NorthTrench, Section6FW-1, South Wall Grid 83 Top, Biased #25 B

179 257.2

-78.2

-938.1 NO NorthTrench, Section6FW-1, North Wall Grid 43 Bottom, Biased #26 B

231 257.2

-26.2

-314.3 NO NorthTrench, Section6FW-1, North Wall Grid 87 Bottom, Biased #27 B

210 257.2

-47.2

-566.2 NO NorthTrench, Section6FW-1, North Wall Grid 16 Bottom, Biased #28 B

187 257.2

-70.2

-842.1 NO NorthTrench, Section6FW-1, North Wall Grid 21 Bottom, Biased #29 B

223 257.2

-34.2

-410.3 NO NorthTrench, Section6FW-1, North Wall Grid 31 Top, Biased #30 B

185 257.2

-72.2

-866.1 NO NorthTrench, Section6FW-1, North Wall Grid 31 Bottom, Biased #31 B

215 257.2

-42.2

-506.2 NO NorthTrench, Section6FW-1, North Wall Grid 32 Bottom, Biased #32 B

172 257.2

-85.2

-1022.0 NO Mean

-692.2 Median

-704.1 Minimum

-1154.0 Maximum

-302.3 Std Dev (1s) 309.1 NOTES:

1 Instrument Efficiency = Instrument static 2-pi efficiency for beta 2

Sample Type: S = Systematic B = Biased 3

Mean of up to 5 background readings collected upon unimpacted concrete surfaces inside Building 3H/6H 4

MARSSIM (NRC, 2000) Sign Test required if a systematic measurement exceeds the DCGLw North Trench Section 6 - Floor/Wall Survey Unit - Beta Static Measurement Results SU

Description:

Instrument/Probe Models Instrument S/N Probe S/N Alpha Efficiency1 Probe Active Area (cm2)

MARSSIM Class:

SU DCGLw (dpm/100cm2) 2360/43-93 202398 PR211706 0.073 100 1

5000 Concrete Walls Sample ID Measurement Type2 Alpha Counts (gross cpm)

Background3 (cpm)

Net Fixed-Point Result (net cpm)

Alpha Residual Surface Activity (dpm/100cm2)

Net Activity Exceeds DCGLw NorthTrench, SU 6FW-2, Syst #1, Floor, Grid #6 S

2 4.0

-2.0

-27.2 NO NorthTrench, SU 6FW-2, Syst #2, North Wall, Grid #7 S

1 4.0

-3.0

-40.8 NO NorthTrench, SU 6FW-2, Syst #3, South Wall, Grid #8 S

3 4.0

-1.0

-13.6 NO NorthTrench, SU 6FW-2, Syst #4, Floor, Grid #14 S

4 4.0 0.0 0.0 NO NorthTrench, SU 6FW-2, Syst #5, North Wall, Grid #15 S

3 4.0

-1.0

-13.6 NO NorthTrench, SU 6FW-2, Syst #6, South Wall, Grid #16 S

4 4.0 0.0 0.0 NO NorthTrench, SU 6FW-2, Syst #7, Floor, Grid #22 S

4 4.0 0.0 0.0 NO NorthTrench, SU 6FW-2, Syst #8, North Wall, Grid #23 S

2 4.0

-2.0

-27.2 NO NorthTrench, SU 6FW-2, Syst #9, South Wall, Grid #24 S

1 4.0

-3.0

-40.8 NO NorthTrench, SU 6FW-2, Syst #10, Floor, Grid #30 S

6 4.0 2.0 27.2 NO NorthTrench, SU 6FW-2, Syst #11, North Wall, Grid #31 S

2 4.0

-2.0

-27.2 NO NorthTrench, SU 6FW-2, Syst #12, South Wall, Grid #32 S

3 4.0

-1.0

-13.6 NO NorthTrench, SU 6FW-2, Syst #13, Floor, Grid #38 S

2 4.0

-2.0

-27.2 NO NorthTrench, SU 6FW-2, Syst #14, North Wall, Grid #39 S

1 4.0

-3.0

-40.8 NO NorthTrench, SU 6FW-2, Syst #15, South Wall, Grid #40 S

3 4.0

-1.0

-13.6 NO NorthTrench, SU 6FW-2, Syst #16, Floor, Grid #46 S

2 4.0

-2.0

-27.2 NO NorthTrench, SU 6FW-2, Syst #17, North Wall, Grid #47 S

3 4.0

-1.0

-13.6 NO NorthTrench, SU 6FW-2, Syst #18, South Wall, Grid #48 S

3 4.0

-1.0

-13.6 NO NorthTrench, SU 6FW-2, Syst #19, Floor, Grid #54 S

4 4.0 0.0 0.0 NO NorthTrench, SU 6FW-2, Syst #20, North Wall, Grid #55 S

2 4.0

-2.0

-27.2 NO NorthTrench, SU 6FW-2, Syst #21, South Wall, Grid #56 S

3 4.0

-1.0

-13.6 NO NorthTrench, SU 6FW-2, Syst #22, Floor, Grid #62 S

4 4.0 0.0 0.0 NO Mean

-16.1 Median

-13.6 Minimum

-40.8 Maximum 27.2 Std Dev (1s) 16.6 MARSSIM Sign Test Required?

NO Does survey unit meet release criterion?

YES NorthTrench, Section6FW-2, North Wall, Bias #30B B

3 4.0

-1.0

-13.6 NO NorthTrench, Section6FW-2, North Wall, Bias #41B B

5 4.0 1.0 13.6 NO NorthTrench, Section6FW-2, North Wall, Bias #61B B

3 4.0

-1.0

-13.6 NO NorthTrench, Section6FW-2, South Wall, Bias #28B B

2 4.0

-2.0

-27.2 NO NorthTrench, Section6FW-2, South Wall, Bias #60B B

3 4.0

-1.0

-13.6 NO NorthTrench, Section6FW-2, Floor, Bias #43N B

2 4.0

-2.0

-27.2 NO NorthTrench, Section6FW-2, Floor, Bias #45N B

3 4.0

-1.0

-13.6 NO NorthTrench, Section6FW-2, Floor, Bias #48S B

3 4.0

-1.0

-13.6 NO Mean

-13.6 Median

-13.6 Minimum

-27.2 Maximum 13.6 Std Dev (1s) 12.6 NOTES:

1 Instrument Efficiency = Instrument static 2-pi efficiency for alpha 2

Sample Type: S = Systematic B = Biased 3

Mean of up to 5 background readings collected upon unimpacted concrete surfaces inside Building 3H/6H 4

MARSSIM (NRC, 2000) Sign Test required if a systematic measurement exceeds the DCGLw North Trench Section 6 - Floor/Wall Survey Unit - Alpha Static Measurement Results SU

Description:

Instrument/Probe Models Instrument S/N Probe S/N Beta Efficiency1 Probe Active Area (cm2)

MARSSIM Class:

SU DCGLw (dpm/100cm2) 2360/43-93 202398 PR211706 0.083 100 1

5000 Concrete Walls Sample ID Measurement Type2 Beta Counts (gross cpm)

Background3 (cpm)

Net Fixed-Point Result (net cpm)

Beta Residual Surface Activity (dpm/100cm2)

Net Activity Exceeds DCGLw NorthTrench, SU 6FW-2, Syst #1, Floor, Grid #6 S

190 257.2

-67.2

-806.1 NO NorthTrench, SU 6FW-2, Syst #2, North Wall, Grid #7 S

174 257.2

-83.2

-998.0 NO NorthTrench, SU 6FW-2, Syst #3, South Wall, Grid #8 S

175 257.2

-82.2

-986.0 NO NorthTrench, SU 6FW-2, Syst #4, Floor, Grid #14 S

192 257.2

-65.2

-782.1 NO NorthTrench, SU 6FW-2, Syst #5, North Wall, Grid #15 S

187 257.2

-70.2

-842.1 NO NorthTrench, SU 6FW-2, Syst #6, South Wall, Grid #16 S

197 257.2

-60.2

-722.1 NO NorthTrench, SU 6FW-2, Syst #7, Floor, Grid #22 S

199 257.2

-58.2

-698.1 NO NorthTrench, SU 6FW-2, Syst #8, North Wall, Grid #23 S

205 257.2

-52.2

-626.2 NO NorthTrench, SU 6FW-2, Syst #9, South Wall, Grid #24 S

215 257.2

-42.2

-506.2 NO NorthTrench, SU 6FW-2, Syst #10, Floor, Grid #30 S

189 257.2

-68.2

-818.1 NO NorthTrench, SU 6FW-2, Syst #11, North Wall, Grid #31 S

194 257.2

-63.2

-758.1 NO NorthTrench, SU 6FW-2, Syst #12, South Wall, Grid #32 S

205 257.2

-52.2

-626.2 NO NorthTrench, SU 6FW-2, Syst #13, Floor, Grid #38 S

208 257.2

-49.2

-590.2 NO NorthTrench, SU 6FW-2, Syst #14, North Wall, Grid #39 S

207 257.2

-50.2

-602.2 NO NorthTrench, SU 6FW-2, Syst #15, South Wall, Grid #40 S

169 257.2

-88.2

-1058.0 NO NorthTrench, SU 6FW-2, Syst #16, Floor, Grid #46 S

206 257.2

-51.2

-614.2 NO NorthTrench, SU 6FW-2, Syst #17, North Wall, Grid #47 S

162 257.2

-95.2

-1142.0 NO NorthTrench, SU 6FW-2, Syst #18, South Wall, Grid #48 S

182 257.2

-75.2

-902.1 NO NorthTrench, SU 6FW-2, Syst #19, Floor, Grid #54 S

215 257.2

-42.2

-506.2 NO NorthTrench, SU 6FW-2, Syst #20, North Wall, Grid #55 S

192 257.2

-65.2

-782.1 NO NorthTrench, SU 6FW-2, Syst #21, South Wall, Grid #56 S

183 257.2

-74.2

-890.1 NO NorthTrench, SU 6FW-2, Syst #22, Floor, Grid #62 S

204 257.2

-53.2

-638.2 NO Mean

-767.9 Median

-770.1 Minimum

-1142.0 Maximum

-506.2 Std Dev (1s) 176.1 MARSSIM Sign Test Required?

NO Does survey unit meet release criterion?

YES NorthTrench, Section6FW-2, North Wall, Bias #30B B

183 257.2

-74.2

-890.1 NO NorthTrench, Section6FW-2, North Wall, Bias #41B B

199 257.2

-58.2

-698.1 NO NorthTrench, Section6FW-2, North Wall, Bias #61B B

202 257.2

-55.2

-662.2 NO NorthTrench, Section6FW-2, South Wall, Bias #28B B

185 257.2

-72.2

-866.1 NO NorthTrench, Section6FW-2, South Wall, Bias #60B B

202 257.2

-55.2

-662.2 NO NorthTrench, Section6FW-2, Floor, Bias #43N B

182 257.2

-75.2

-902.1 NO NorthTrench, Section6FW-2, Floor, Bias #45N B

191 257.2

-66.2

-794.1 NO NorthTrench, Section6FW-2, Floor, Bias #48S B

189 257.2

-68.2

-818.1 NO Mean

-786.6 Median

-806.1 Minimum

-902.1 Maximum

-662.2 Std Dev (1s) 100.1 NOTES:

1 Instrument Efficiency = Instrument static 2-pi efficiency for beta 2

Sample Type: S = Systematic B = Biased 3

Mean of up to 5 background readings collected upon unimpacted concrete surfaces inside Building 3H/6H 4

MARSSIM (NRC, 2000) Sign Test required if a systematic measurement exceeds the DCGLw North Trench Section 6 - Floor/Wall Survey Unit - Beta Static Measurement Results SU

Description:

Instrument/Probe Models Instrument S/N Probe S/N Alpha Efficiency1 Probe Active Area (cm2)

MARSSIM Class:

SU DCGLw (dpm/100cm2) 2360/43-93 202398 PR211706 0.073 100 1

5000 Pipe Internals Sample ID Measurement Type2 Alpha Counts (gross cpm)

Background3 (cpm)

Net Fixed-Point Result (net cpm)

Alpha Residual Surface Activity (dpm/100cm2)

Net Activity Exceeds DCGLw Eastern End of Sewer Pipe in Shelton Ave, 0 ft, 6:00 #1 S

2 5.0

-3.0

-40.8 NO Eastern End of Sewer Pipe in Shelton Ave, 0 ft, 9:00 #2 S

5 5.0 0.0 0.0 NO Eastern End of Sewer Pipe in Shelton Ave, 0 ft, 12:00 #3 S

6 5.0 1.0 13.6 NO Eastern End of Sewer Pipe in Shelton Ave, 0 ft, 3:00 #4 S

1 5.0

-4.0

-54.4 NO Eastern End of Sewer Pipe in Shelton Ave, 1 ft, 6:00 #5 S

2 5.0

-3.0

-40.8 NO Eastern End of Sewer Pipe in Shelton Ave, 1 ft, 9:00 #6 S

4 5.0

-1.0

-13.6 NO Eastern End of Sewer Pipe in Shelton Ave, 1 ft, 12:00 #7 S

9 5.0 4.0 54.4 NO Eastern End of Sewer Pipe in Shelton Ave, 1 ft, 3:00 #8 S

1 5.0

-4.0

-54.4 NO Eastern End of Sewer Pipe in Shelton Ave, 2 ft, 6:00 #9 S

5 5.0 0.0 0.0 NO Eastern End of Sewer Pipe in Shelton Ave, 2 ft, 9:00 #10 S

5 5.0 0.0 0.0 NO Eastern End of Sewer Pipe in Shelton Ave, 2 ft, 12:00 #11 S

4 5.0

-1.0

-13.6 NO Eastern End of Sewer Pipe in Shelton Ave, 2 ft, 3:00 #12 S

3 5.0

-2.0

-27.2 NO Eastern End of Sewer Pipe in Shelton Ave, 3 ft, 6:00 #13 S

5 5.0 0.0 0.0 NO Eastern End of Sewer Pipe in Shelton Ave, 3 ft, 9:00 #14 S

4 5.0

-1.0

-13.6 NO Eastern End of Sewer Pipe in Shelton Ave, 3 ft, 12:00 #15 S

4 5.0

-1.0

-13.6 NO Eastern End of Sewer Pipe in Shelton Ave, 3 ft, 3:00 #16 S

4 5.0

-1.0

-13.6 NO Western End of Sewer Pipe in Shelton Ave, 0 ft, 6:00 #1 S

10 8.0 2.0 27.2 NO Western End of Sewer Pipe in Shelton Ave, 0 ft, 9:00 #2 S

17 8.0 9.0 122.5 NO Western End of Sewer Pipe in Shelton Ave, 0 ft, 12:00 #3 S

9 8.0 1.0 13.6 NO Western End of Sewer Pipe in Shelton Ave, 0 ft, 3:00 #4 S

13 8.0 5.0 68.0 NO Western End of Sewer Pipe in Shelton Ave, 1 ft, 6:00 #5 S

12 8.0 4.0 54.4 NO Western End of Sewer Pipe in Shelton Ave, 1 ft, 9:00 #6 S

8 8.0 0.0 0.0 NO Western End of Sewer Pipe in Shelton Ave, 1 ft, 12:00 #7 S

7 8.0

-1.0

-13.6 NO Western End of Sewer Pipe in Shelton Ave, 1 ft, 3:00 #8 S

7 8.0

-1.0

-13.6 NO Western End of Sewer Pipe in Shelton Ave, 2 ft, 6:00 #9 S

4 8.0

-4.0

-54.4 NO Western End of Sewer Pipe in Shelton Ave, 2 ft, 9:00 #10 S

10 8.0 2.0 27.2 NO Western End of Sewer Pipe in Shelton Ave, 2 ft, 12:00 #11 S

6 8.0

-2.0

-27.2 NO Western End of Sewer Pipe in Shelton Ave, 2 ft, 3:00 #12 S

9 8.0 1.0 13.6 NO Mean 0.0 Median 0.0 Minimum

-54.4 Maximum 122.5 Std Dev (1s) 39.7 MARSSIM Sign Test Required?

NO Does survey unit meet release criterion?

YES Western End of Sewer Pipe in Shelton Ave, outside pipe, right side wall #13 B

12 8.0 4.0 54.4 NO Western End of Sewer Pipe in Shelton Ave, outside pipe, opposite wall #14 B

18 8.0 10.0 136.1 NO Mean 95.3 Median 95.3 Minimum 54.4 Maximum 136.1 Std Dev (1s) 57.7 NOTES:

1 Instrument Efficiency = Instrument static 2-pi efficiency for alpha 2

Sample Type: S = Systematic B = Biased 3

Mean of up to 5 background readings collected upon unimpacted concrete surfaces inside Building 3H/6H 4

MARSSIM (NRC, 2000) Sign Test required if a systematic measurement exceeds the DCGLw Shelton Avenue Abandoned Sewer Pipe - Alpha Static Measurement Results SU

Description:

Instrument/Probe Models Instrument S/N Probe S/N Beta Efficiency1 Probe Active Area (cm2)

MARSSIM Class:

SU DCGLw (dpm/100cm2) 2360/43-93 202398 PR211706 0.083 100 1

5000 Pipe Internals Sample ID Measurement Type2 Beta Counts (gross cpm)

Background3 (cpm)

Net Fixed-Point Result (net cpm)

Beta Residual Surface Activity (dpm/100cm2)

Net Activity Exceeds DCGLw Eastern End of Sewer Pipe in Shelton Ave, 0 ft, 6:00 #1 S

449 455.0

-6.0

-72.0 NO Eastern End of Sewer Pipe in Shelton Ave, 0 ft, 9:00 #2 S

533 455.0 78.0 935.7 NO Eastern End of Sewer Pipe in Shelton Ave, 0 ft, 12:00 #3 S

572 455.0 117.0 1403.5 NO Eastern End of Sewer Pipe in Shelton Ave, 0 ft, 3:00 #4 S

505 455.0 50.0 599.8 NO Eastern End of Sewer Pipe in Shelton Ave, 1 ft, 6:00 #5 S

468 455.0 13.0 155.9 NO Eastern End of Sewer Pipe in Shelton Ave, 1 ft, 9:00 #6 S

532 455.0 77.0 923.7 NO Eastern End of Sewer Pipe in Shelton Ave, 1 ft, 12:00 #7 S

574 455.0 119.0 1427.5 NO Eastern End of Sewer Pipe in Shelton Ave, 1 ft, 3:00 #8 S

533 455.0 78.0 935.7 NO Eastern End of Sewer Pipe in Shelton Ave, 2 ft, 6:00 #9 S

448 455.0

-7.0

-84.0 NO Eastern End of Sewer Pipe in Shelton Ave, 2 ft, 9:00 #10 S

539 455.0 84.0 1007.6 NO Eastern End of Sewer Pipe in Shelton Ave, 2 ft, 12:00 #11 S

601 455.0 146.0 1751.4 NO Eastern End of Sewer Pipe in Shelton Ave, 2 ft, 3:00 #12 S

582 455.0 127.0 1523.5 NO Eastern End of Sewer Pipe in Shelton Ave, 3 ft, 6:00 #13 S

529 455.0 74.0 887.7 NO Eastern End of Sewer Pipe in Shelton Ave, 3 ft, 9:00 #14 S

617 455.0 162.0 1943.3 NO Eastern End of Sewer Pipe in Shelton Ave, 3 ft, 12:00 #15 S

465 455.0 10.0 120.0 NO Eastern End of Sewer Pipe in Shelton Ave, 3 ft, 3:00 #16 S

532 455.0 77.0 923.7 NO Western End of Sewer Pipe in Shelton Ave, 0 ft, 6:00 #1 S

647 568.0 79.0 947.7 NO Western End of Sewer Pipe in Shelton Ave, 0 ft, 9:00 #2 S

582 568.0 14.0 167.9 NO Western End of Sewer Pipe in Shelton Ave, 0 ft, 12:00 #3 S

526 568.0

-42.0

-503.8 NO Western End of Sewer Pipe in Shelton Ave, 0 ft, 3:00 #4 S

539 568.0

-29.0

-347.9 NO Western End of Sewer Pipe in Shelton Ave, 1 ft, 6:00 #5 S

607 568.0 39.0 467.8 NO Western End of Sewer Pipe in Shelton Ave, 1 ft, 9:00 #6 S

562 568.0

-6.0

-72.0 NO Western End of Sewer Pipe in Shelton Ave, 1 ft, 12:00 #7 S

544 568.0

-24.0

-287.9 NO Western End of Sewer Pipe in Shelton Ave, 1 ft, 3:00 #8 S

569 568.0 1.0 12.0 NO Western End of Sewer Pipe in Shelton Ave, 2 ft, 6:00 #9 S

456 568.0

-112.0

-1343.5 NO Western End of Sewer Pipe in Shelton Ave, 2 ft, 9:00 #10 S

604 568.0 36.0 431.8 NO Western End of Sewer Pipe in Shelton Ave, 2 ft, 12:00 #11 S

510 568.0

-58.0

-695.7 NO Western End of Sewer Pipe in Shelton Ave, 2 ft, 3:00 #12 S

506 568.0

-62.0

-743.7 NO Mean 443.4 Median 467.8 Minimum

-1343.5 Maximum 1943.3 Std Dev (1s) 815.9 MARSSIM Sign Test Required?

NO Does survey unit meet release criterion?

YES Western End of Sewer Pipe in Shelton Ave, outside pipe, right side wall #13 B

506 568.0

-62.0

-743.7 NO Western End of Sewer Pipe in Shelton Ave, outside pipe, opposite wall #14 B

457 568.0

-111.0

-1331.5 NO Mean

-1037.6 Median

-1037.6 Minimum

-1331.5 Maximum

-743.7 Std Dev (1s) 415.6 NOTES:

1 Instrument Efficiency = Instrument static 2-pi efficiency for beta 2

Sample Type: S = Systematic B = Biased 3

Mean of up to 5 background readings collected upon unimpacted concrete surfaces inside Building 3H/6H 4

MARSSIM (NRC, 2000) Sign Test required if a systematic measurement exceeds the DCGLw Shelton Avenue Abandoned Sewer Pipe - Beta Static Measurement Results SU

Description:

Instrument/Probe Models Instrument S/N Probe S/N Alpha Efficiency1 Probe Active Area (cm2)

MARSSIM Class:

SU DCGLw (dpm/100cm2) 2224-1/43-93 162425 PR182403 0.076 100 1

5000 2224-1/43-93 162426 PR193921 0.071 100 1

5000 Pipe Chase Sample ID Measurement Type2 Alpha Counts (gross cpm)

Background3 (cpm)

Net Fixed-Point Result (net cpm)

Alpha Residual Surface Activity (dpm/100cm2)

Net Activity Exceeds DCGLw Decon Pit, Pipe Chase, Floor 1 #1 B

11 8.5 2.5 32.8 NO Decon Pit, Pipe Chase, Floor 2 #2 B

3 8.5

-5.5

-72.2 NO Decon Pit, Pipe Chase, Floor 3 #3 B

6 8.5

-2.5

-32.8 NO Decon Pit, Pipe Chase, Floor 4 #4 B

4 8.5

-4.5

-59.1 NO Decon Pit, Pipe Chase, Nwall Top 1 #15 B

4 8.5

-4.5

-59.1 NO Decon Pit, Pipe Chase, Nwall Top 2 #16 B

8 8.5

-0.5

-6.6 NO Decon Pit, Pipe Chase, Nwall 1 #9 B

6 8.5

-2.5

-32.8 NO Decon Pit, Pipe Chase, Nwall 2 #10 B

3 8.5

-5.5

-72.2 NO Decon Pit, Pipe Chase, Nwall 3 #11 B

11 8.5 2.5 32.8 NO Decon Pit, Pipe Chase, Nwall 4 #12 B

14 8.5 5.5 72.2 NO Decon Pit, Pipe Chase, Swall 1 #5 B

7 8.5

-1.5

-19.7 NO Decon Pit, Pipe Chase, Swall 2#6 B

4 8.5

-4.5

-59.1 NO Decon Pit, Pipe Chase, Swall 3 #7 B

6 8.5

-2.5

-32.8 NO Decon Pit, Pipe Chase, Swall 4 #8 B

4 8.5

-4.5

-59.1 NO Decon Pit, Pipe Chase, Swall Top 1 #13 B

2 8.5

-6.5

-85.3 NO Decon Pit, Pipe Chase, Swall Top 2 #14 B

4 8.5

-4.5

-59.1 NO Decon Pit Excavation, South Concrete Wall Grid 8 B

157 9.8 147.2 1932.5 NO Decon Pit Excavation, South Concrete Wall Grid 9 B

18 9.8 8.2 107.7 NO Decon Pit Excavation, South Concrete Wall Grid 4 B

6 9.8

-3.8

-49.9 NO Mean 77.8 Median

-41.4 Minimum

-85.3 Maximum 1932.5 Std Dev (1s) 452.1 NOTES:

1 Instrument Efficiency = Instrument static 2-pi efficiency for alpha 2

Sample Type: S = Systematic B = Biased 3

Mean of up to 5 background readings collected upon unimpacted concrete surfaces inside Building 3H/6H 4

MARSSIM (NRC, 2000) Sign Test required if a systematic measurement exceeds the DCGLw Decon Pit Structure Surfaces - Alpha Static Measurement Results SU

Description:

Instrument/Probe Models Instrument S/N Probe S/N Beta Efficiency1 Probe Active Area (cm2)

MARSSIM Class:

SU DCGLw (dpm/100cm2) 2224-1/43-93 162425 PR182403 0.112 100 1

5000 2224-1/43-93 162426 PR193921 0.104 100 1

5000 Pipe Chase Sample ID Measurement Type2 Beta Counts (gross cpm)

Background3 (cpm)

Net Fixed-Point Result (net cpm)

Beta Residual Surface Activity (dpm/100cm2)

Net Activity Exceeds DCGLw Decon Pit, Pipe Chase, Floor 1 #1 B

237 263.0

-26.0

-232.1 NO Decon Pit, Pipe Chase, Floor 2 #2 B

244 263.0

-19.0

-169.6 NO Decon Pit, Pipe Chase, Floor 3 #3 B

291 263.0 28.0 249.9 NO Decon Pit, Pipe Chase, Floor 4 #4 B

301 263.0 38.0 339.2 NO Decon Pit, Pipe Chase, Nwall Top 1 #15 B

277 263.0 14.0 125.0 NO Decon Pit, Pipe Chase, Nwall Top 2 #16 B

291 263.0 28.0 249.9 NO Decon Pit, Pipe Chase, Nwall 1 #9 B

260 263.0

-3.0

-26.8 NO Decon Pit, Pipe Chase, Nwall 2 #10 B

311 263.0 48.0 428.4 NO Decon Pit, Pipe Chase, Nwall 3 #11 B

256 263.0

-7.0

-62.5 NO Decon Pit, Pipe Chase, Nwall 4 #12 B

281 263.0 18.0 160.7 NO Decon Pit, Pipe Chase, Swall 1 #5 B

250 263.0

-13.0

-116.0 NO Decon Pit, Pipe Chase, Swall 2#6 B

301 263.0 38.0 339.2 NO Decon Pit, Pipe Chase, Swall 3 #7 B

246 263.0

-17.0

-151.7 NO Decon Pit, Pipe Chase, Swall 4 #8 B

285 263.0 22.0 196.4 NO Decon Pit, Pipe Chase, Swall Top 1 #13 B

297 263.0 34.0 303.5 NO Decon Pit, Pipe Chase, Swall Top 2 #14 B

244 263.0

-19.0

-169.6 NO Decon Pit Excavation, South Concrete Wall Grid 8 B

307 251.0 56.0 499.8 NO Decon Pit Excavation, South Concrete Wall Grid 9 B

235 251.0

-16.0

-142.8 NO Decon Pit Excavation, South Concrete Wall Grid 4 B

241 251.0

-10.0

-89.3 NO Mean 91.1 Median 142.8 Minimum

-232.1 Maximum 499.8 Std Dev (1s) 233.8 NOTES:

1 Instrument Efficiency = Instrument static 2-pi efficiency for beta 2

Sample Type: S = Systematic B = Biased 3

Mean of up to 5 background readings collected upon unimpacted concrete surfaces inside Building 3H/6H 4

MARSSIM (NRC, 2000) Sign Test required if a systematic measurement exceeds the DCGLw Decon Pit Structure Surfaces - Beta Static Measurement Results SU

Description:

Instrument/Probe Models Instrument S/N Probe S/N Alpha Efficiency1 Probe Active Area (cm2)

MARSSIM Class:

SU DCGLw (dpm/100cm2) 2224-1/43-93 162425 PR182403 0.076 100 1

5000 2224-1/43-93 162426 PR193921 0.071 100 1

5000 Pipe Chase Sample ID Measurement Type2 Alpha Counts (gross cpm)

Background3 (cpm)

Net Fixed-Point Result (net cpm)

Alpha Residual Surface Activity (dpm/100cm2)

Net Activity Exceeds DCGLw Decon Pit Floor East #1 B

172 5.0 167.0 2192.4 NO Decon Pit Floor East #2 B

328 5.0 323.0 4240.4 NO Decon Pit Floor East #3 B

92 5.0 87.0 1142.1 NO Decon Pit Floor East #4 B

72 5.0 67.0 879.6 NO Decon Pit Floor East #5 B

55 5.0 50.0 656.4 NO Decon Pit Floor East #6 B

110 5.0 105.0 1378.5 NO Decon Pit Floor East #7 B

94 5.0 89.0 1168.4 NO Decon Pit Floor East #8 B

250 5.0 245.0 3216.4 NO Decon Pit Floor East #9 B

204 5.0 199.0 2612.5 NO Decon Pit Floor East #10 B

196 5.0 191.0 2507.5 NO Decon Pit Floor East #11 B

92 5.0 87.0 1142.1 NO Decon Pit Floor East #12 B

63 5.0 58.0 761.4 NO Decon Pit Floor East #13 B

71 5.0 66.0 866.5 NO Decon Pit Floor East #14 B

38 5.0 33.0 433.2 NO Decon Pit Floor East #15 B

133 5.0 128.0 1680.4 NO Mean 1658.5 Median 1155.3 Minimum 433.2 Maximum 4240.4 Std Dev (1s) 1082.5 NOTES:

1 Instrument Efficiency = Instrument static 2-pi efficiency for alpha 2

Sample Type: S = Systematic B = Biased 3

Mean of up to 5 background readings collected upon unimpacted concrete surfaces inside Building 3H/6H 4

MARSSIM (NRC, 2000) Sign Test required if a systematic measurement exceeds the DCGLw Decon Pit Room East Floor Surfaces - Alpha Static Measurement Results SU

Description:

Instrument/Probe Models Instrument S/N Probe S/N Beta Efficiency1 Probe Active Area (cm2)

MARSSIM Class:

SU DCGLw (dpm/100cm2) 2224-1/43-93 162425 PR182403 0.112 100 1

5000 2224-1/43-93 162426 PR193921 0.104 100 1

5000 Pipe Chase Sample ID Measurement Type2 Beta Counts (gross cpm)

Background3 (cpm)

Net Fixed-Point Result (net cpm)

Beta Residual Surface Activity (dpm/100cm2)

Net Activity Exceeds DCGLw Decon Pit Floor East #1 B

417 359.4 57.6 514.1 NO Decon Pit Floor East #2 B

440 359.4 80.6 719.4 NO Decon Pit Floor East #3 B

536 359.4 176.6 1576.3 NO Decon Pit Floor East #4 B

457 359.4 97.6 871.1 NO Decon Pit Floor East #5 B

383 359.4 23.6 210.6 NO Decon Pit Floor East #6 B

399 359.4 39.6 353.5 NO Decon Pit Floor East #7 B

413 359.4 53.6 478.4 NO Decon Pit Floor East #8 B

486 359.4 126.6 1130.0 NO Decon Pit Floor East #9 B

432 359.4 72.6 648.0 NO Decon Pit Floor East #10 B

444 359.4 84.6 755.1 NO Decon Pit Floor East #11 B

345 359.4

-14.4

-128.5 NO Decon Pit Floor East #12 B

377 359.4 17.6 157.1 NO Decon Pit Floor East #13 B

401 359.4 41.6 371.3 NO Decon Pit Floor East #14 B

389 359.4 29.6 264.2 NO Decon Pit Floor East #15 B

461 359.4 101.6 906.9 NO Mean 588.5 Median 563.2 Minimum

-128.5 Maximum 1576.3 Std Dev (1s) 428.2 NOTES:

1 Instrument Efficiency = Instrument static 2-pi efficiency for beta 2

Sample Type: S = Systematic B = Biased 3

Mean of up to 5 background readings collected upon unimpacted concrete surfaces inside Building 3H/6H 4

MARSSIM (NRC, 2000) Sign Test required if a systematic measurement exceeds the DCGLw Decon Pit Room East Floor Surfaces - Beta Static Measurement Results SU

Description:

Instrument/Probe Models Instrument S/N Probe S/N Alpha Efficiency1 Probe Active Area (cm2)

MARSSIM Class:

SU DCGLw (dpm/100cm2) 2224-1/43-93 162425 PR182403 0.076 100 1

5000 2224-1/43-93 162426 PR193921 0.071 100 1

5000 Pipe Chase Sample ID Measurement Type2 Alpha Counts (gross cpm)

Background3 (cpm)

Net Fixed-Point Result (net cpm)

Alpha Residual Surface Activity (dpm/100cm2)

Net Activity Exceeds DCGLw Small Trench Btw C41 and C40 Grid #1 B

7 2.0 5.0 65.6 NO Small Trench Btw C41 and C40 Grid #2 B

10 2.0 8.0 105.0 NO Small Trench Btw C41 and C40 Grid #3 B

10 2.0 8.0 105.0 NO Small Trench Btw C41 and C40 Grid #4 B

16 2.0 14.0 183.8 NO Small Trench Btw C41 and C40 Grid #5 B

4 2.0 2.0 26.3 NO Small Trench Btw C41 and C40 Grid #6 B

7 2.0 5.0 65.6 NO Small Trench Btw C41 and C40 Grid #7 B

9 2.0 7.0 91.9 NO Small Trench Btw C41 and C40 Grid #8 B

6 2.0 4.0 52.5 NO Small Trench Btw C41 and C40 Grid #9 B

10 2.0 8.0 105.0 NO Small Trench Btw C41 and C40 Grid #10 B

6 2.0 4.0 52.5 NO Small Trench Btw C41 and C40 Grid #11 B

17 2.0 15.0 196.9 NO Small Trench Btw C41 and C40 Grid #12 B

17 2.0 15.0 196.9 NO Small Trench Btw C41 and C40 Grid #13 B

12 2.0 10.0 131.3 NO Small Trench Btw C40 and C39 Grid #14 B

9 2.0 7.0 91.9 NO Small Trench Btw C40 and C39 Grid #15 B

10 2.0 8.0 105.0 NO Small Trench Btw C40 and C39 Grid #16 B

2 2.0 0.0 0.0 NO Small Trench Btw C40 and C39 Grid #17 B

6 2.0 4.0 52.5 NO Small Trench Btw C40 and C39 Grid #18 B

8 2.0 6.0 78.8 NO Small Trench Btw C40 and C39 Grid #19 B

19 2.0 17.0 223.2 NO Small Trench Btw C40 and C39 Grid #20 B

15 2.0 13.0 170.7 NO Small Trench Btw C40 and C39 Grid #21 B

5 2.0 3.0 39.4 NO Small Trench Btw C40 and C39 Grid #22 B

8 2.0 6.0 78.8 NO Small Trench Btw C40 and C39 Grid #23 B

4 2.0 2.0 26.3 NO Small Trench Btw C40 and C39 Grid #24 B

3 2.0 1.0 13.1 NO Small Trench Btw C40 and C39 Grid #25 B

6 2.0 4.0 52.5 NO Small Trench Btw C39 and C38 Grid #26 B

1 2.0

-1.0

-13.1 NO Small Trench Btw C39 and C38 Grid #27 B

8 2.0 6.0 78.8 NO Small Trench Btw C39 and C38 Grid #28 B

16 2.0 14.0 183.8 NO Small Trench Btw C39 and C38 Grid #29 B

4 2.0 2.0 26.3 NO Small Trench Btw C39 and C38 Grid #30 B

8 2.0 6.0 78.8 NO Small Trench Btw C39 and C38 Grid #31 B

14 2.0 12.0 157.5 NO Small Trench Btw C39 and C38 Grid #32 B

7 2.0 5.0 65.6 NO Small Trench Btw C39 and C38 Grid #33 B

10 2.0 8.0 105.0 NO Small Trench Btw C39 and C38 Grid #34 B

7 2.0 5.0 65.6 NO Mean 90.0 Median 78.8 Minimum

-13.1 Maximum 223.2 Std Dev (1s) 60.3 NOTES:

1 Instrument Efficiency = Instrument static 2-pi efficiency for alpha 2

Sample Type: S = Systematic B = Biased 3

Mean of up to 5 background readings collected upon unimpacted concrete surfaces inside Building 3H/6H 4

MARSSIM (NRC, 2000) Sign Test required if a systematic measurement exceeds the DCGLw Small Trench Surfaces - Alpha Static Measurement Results SU

Description:

Instrument/Probe Models Instrument S/N Probe S/N Beta Efficiency1 Probe Active Area (cm2)

MARSSIM Class:

SU DCGLw (dpm/100cm2) 2224-1/43-93 162425 PR182403 0.112 100 1

5000 2224-1/43-93 162426 PR193921 0.104 100 1

5000 Pipe Chase Sample ID Measurement Type2 Beta Counts (gross cpm)

Background3 (cpm)

Net Fixed-Point Result (net cpm)

Beta Residual Surface Activity (dpm/100cm2)

Net Activity Exceeds DCGLw Small Trench Btw C41 and C40 Grid #1 B

217 206.0 11.0 98.2 NO Small Trench Btw C41 and C40 Grid #2 B

253 206.0 47.0 419.5 NO Small Trench Btw C41 and C40 Grid #3 B

310 206.0 104.0 928.3 NO Small Trench Btw C41 and C40 Grid #4 B

286 206.0 80.0 714.1 NO Small Trench Btw C41 and C40 Grid #5 B

235 206.0 29.0 258.8 NO Small Trench Btw C41 and C40 Grid #6 B

253 206.0 47.0 419.5 NO Small Trench Btw C41 and C40 Grid #7 B

273 206.0 67.0 598.0 NO Small Trench Btw C41 and C40 Grid #8 B

237 206.0 31.0 276.7 NO Small Trench Btw C41 and C40 Grid #9 B

232 206.0 26.0 232.1 NO Small Trench Btw C41 and C40 Grid #10 B

229 206.0 23.0 205.3 NO Small Trench Btw C41 and C40 Grid #11 B

237 206.0 31.0 276.7 NO Small Trench Btw C41 and C40 Grid #12 B

245 206.0 39.0 348.1 NO Small Trench Btw C41 and C40 Grid #13 B

251 206.0 45.0 401.7 NO Small Trench Btw C40 and C39 Grid #14 B

240 206.0 34.0 303.5 NO Small Trench Btw C40 and C39 Grid #15 B

280 206.0 74.0 660.5 NO Small Trench Btw C40 and C39 Grid #16 B

226 206.0 20.0 178.5 NO Small Trench Btw C40 and C39 Grid #17 B

232 206.0 26.0 232.1 NO Small Trench Btw C40 and C39 Grid #18 B

268 206.0 62.0 553.4 NO Small Trench Btw C40 and C39 Grid #19 B

271 206.0 65.0 580.2 NO Small Trench Btw C40 and C39 Grid #20 B

254 206.0 48.0 428.4 NO Small Trench Btw C40 and C39 Grid #21 B

224 206.0 18.0 160.7 NO Small Trench Btw C40 and C39 Grid #22 B

240 206.0 34.0 303.5 NO Small Trench Btw C40 and C39 Grid #23 B

211 206.0 5.0 44.6 NO Small Trench Btw C40 and C39 Grid #24 B

203 206.0

-3.0

-26.8 NO Small Trench Btw C40 and C39 Grid #25 B

194 206.0

-12.0

-107.1 NO Small Trench Btw C39 and C38 Grid #26 B

273 206.0 67.0 598.0 NO Small Trench Btw C39 and C38 Grid #27 B

249 206.0 43.0 383.8 NO Small Trench Btw C39 and C38 Grid #28 B

258 206.0 52.0 464.1 NO Small Trench Btw C39 and C38 Grid #29 B

233 206.0 27.0 241.0 NO Small Trench Btw C39 and C38 Grid #30 B

244 206.0 38.0 339.2 NO Small Trench Btw C39 and C38 Grid #31 B

279 206.0 73.0 651.6 NO Small Trench Btw C39 and C38 Grid #32 B

195 206.0

-11.0

-98.2 NO Small Trench Btw C39 and C38 Grid #33 B

256 206.0 50.0 446.3 NO Small Trench Btw C39 and C38 Grid #34 B

261 206.0 55.0 490.9 NO Mean 353.1 Median 343.6 Minimum

-107.1 Maximum 928.3 Std Dev (1s) 233.0 NOTES:

1 Instrument Efficiency = Instrument static 2-pi efficiency for beta 2

Sample Type: S = Systematic B = Biased 3

Mean of up to 5 background readings collected upon unimpacted concrete surfaces inside Building 3H/6H 4

MARSSIM (NRC, 2000) Sign Test required if a systematic measurement exceeds the DCGLw Small Trench Surfaces - Beta Static Measurement Results SU

Description:

Instrument/Probe Models Instrument S/N Probe S/N Alpha Efficiency1 Probe Active Area (cm2)

MARSSIM Class:

SU DCGLw (dpm/100cm2) 2360/43-93 202398 PR211706 0.073 100 1

5000 2224-1/43-93 227246 PR244549 0.104 100 1

5000 Pipe Chase Sample ID Measurement Type2 Alpha Counts (gross cpm)

Background3 (cpm)

Net Fixed-Point Result (net cpm)

Alpha Residual Surface Activity (dpm/100cm2)

Net Activity Exceeds DCGLw Pipe Chase South Wall #1 B

198 10.4 187.6 1806.8 NO Pipe Chase South Wall #2 B

281 10.4 270.6 2606.2 NO Pipe Chase South Wall #3 B

229 10.4 218.6 2105.4 NO Pipe Chase South Wall #4 B

264 10.4 253.6 2442.5 NO Pipe Chase Floor #1 B

52 3.6 48.4 658.7 NO Pipe Chase Floor #2 B

57 3.6 53.4 726.8 NO Pipe Chase Floor #3 B

10 3.6 6.4 87.1 NO Pipe Chase Floor #4 B

12 3.6 8.4 114.3 NO Pipe Chase North Wall #1 B

3 3.6

-0.6

-8.2 NO Pipe Chase North Wall #2 B

8 3.6 4.4 59.9 NO Pipe Chase North Wall #3 B

24 3.6 20.4 277.6 NO Pipe Chase North Wall #4 B

12 3.6 8.4 114.3 NO Mean 916.0 Median 277.6 Minimum

-8.2 Maximum 2606.2 Std Dev (1s) 1020.9 NOTES:

1 Instrument Efficiency = Instrument static 2-pi efficiency for alpha 2

Sample Type: S = Systematic B = Biased 3

Mean of up to 5 background readings collected upon unimpacted concrete surfaces inside Building 3H/6H 4

MARSSIM (NRC, 2000) Sign Test required if a systematic measurement exceeds the DCGLw X-Ray Read Room Pipe Chase Surfaces - Alpha Static Measurement Results SU

Description:

Instrument/Probe Models Instrument S/N Probe S/N Beta Efficiency1 Probe Active Area (cm2)

MARSSIM Class:

SU DCGLw (dpm/100cm2) 2360/43-93 202398 PR211706 0.083 100 1

5000 2224-1/43-93 227246 PR244549 0.136 100 1

5000 Pipe Chase Sample ID Measurement Type2 Beta Counts (gross cpm)

Background3 (cpm)

Net Fixed-Point Result (net cpm)

Beta Residual Surface Activity (dpm/100cm2)

Net Activity Exceeds DCGLw Pipe Chase South Wall #1 B

501 292.8 208.2 1534.5 NO Pipe Chase South Wall #2 B

594 292.8 301.2 2220.0 NO Pipe Chase South Wall #3 B

560 292.8 267.2 1969.4 NO Pipe Chase South Wall #4 B

591 292.8 298.2 2197.9 NO Pipe Chase Floor #1 B

330 242.8 87.3 1046.6 NO Pipe Chase Floor #2 B

348 242.8 105.3 1262.6 NO Pipe Chase Floor #3 B

217 242.8

-25.8

-309.5 NO Pipe Chase Floor #4 B

280 242.8 37.2 446.6 NO Pipe Chase North Wall #1 B

227 242.8

-15.8

-189.5 NO Pipe Chase North Wall #2 B

224 242.8

-18.8

-225.5 NO Pipe Chase North Wall #3 B

277 242.8 34.2 410.6 NO Pipe Chase North Wall #4 B

227 242.8

-15.8

-189.5 NO Mean 847.9 Median 446.6 Minimum

-309.5 Maximum 2220.0 Std Dev (1s) 983.6 NOTES:

1 Instrument Efficiency = Instrument static 2-pi efficiency for beta 2

Sample Type: S = Systematic B = Biased 3

Mean of up to 5 background readings collected upon unimpacted concrete surfaces inside Building 3H/6H 4

MARSSIM (NRC, 2000) Sign Test required if a systematic measurement exceeds the DCGLw X-Ray Read Room Pipe Chase Surfaces - Beta Static Measurement Results SU

Description:

Instrument/Probe Models Instrument S/N Probe S/N Alpha Efficiency1 Probe Active Area (cm2)

MARSSIM Class:

SU DCGLw (dpm/100cm2) 2360/43-93 202398 PR211706 0.073 100 1

5000 Haul Rd asphalt Sample ID Measurement Type2 Alpha Counts (gross cpm)

Background3 (cpm)

Net Fixed-Point Result (net cpm)

Alpha Residual Surface Activity (dpm/100cm2)

Net Activity Exceeds DCGLw Haul Road #1 B

6 3.6 2.4 32.7 NO Haul Road #2 B

2 3.6

-1.6

-21.8 NO Haul Road #3 B

5 3.6 1.4 19.1 NO Haul Road #4 B

2 3.6

-1.6

-21.8 NO Haul Road #5 B

4 3.6 0.4 5.4 NO Haul Road #6 B

4 3.6 0.4 5.4 NO Haul Road #7 B

5 3.6 1.4 19.1 NO Haul Road #8 B

3 3.6

-0.6

-8.2 NO Haul Road #9 B

0 3.6

-3.6

-49.0 NO Haul Road #10 B

5 3.6 1.4 19.1 NO Haul Road #11 B

2 3.6

-1.6

-21.8 NO Haul Road #12 B

0 3.6

-3.6

-49.0 NO Haul Road #13 B

5 3.6 1.4 19.1 NO Mean

-4.0 Median

-1.4 Minimum

-49.0 Maximum 32.7 Std Dev (1s) 26.9 NOTES:

1 Instrument Efficiency = Instrument static 2-pi efficiency for alpha 2

Sample Type: S = Systematic B = Biased 3

Mean of up to 5 background readings collected upon unimpacted concrete surfaces inside Building 3H/6H 4

MARSSIM (NRC, 2000) Sign Test required if a systematic measurement exceeds the DCGLw Haul Road Area - Alpha Static Measurement Results SU

Description:

Instrument/Probe Models Instrument S/N Probe S/N Beta Efficiency1 Probe Active Area (cm2)

MARSSIM Class:

SU DCGLw (dpm/100cm2) 2360/43-93 202398 PR211706 0.083 100 1

5000 Haul Rd asphalt Sample ID Measurement Type2 Beta Counts (gross cpm)

Background3 (cpm)

Net Fixed-Point Result (net cpm)

Beta Residual Surface Activity (dpm/100cm2)

Net Activity Exceeds DCGLw Haul Road #1 B

152 242.8

-90.8

-1089.2 NO Haul Road #2 B

253 242.8 10.2 122.4 NO Haul Road #3 B

220 242.8

-22.8

-273.5 NO Haul Road #4 B

221 242.8

-21.8

-261.5 NO Haul Road #5 B

224 242.8

-18.8

-225.5 NO Haul Road #6 B

221 242.8

-21.8

-261.5 NO Haul Road #7 B

223 242.8

-19.8

-237.5 NO Haul Road #8 B

220 242.8

-22.8

-273.5 NO Haul Road #9 B

197 242.8

-45.8

-549.4 NO Haul Road #10 B

216 242.8

-26.8

-321.5 NO Haul Road #11 B

231 242.8

-11.8

-141.5 NO Haul Road #12 B

245 242.8 2.2 26.4 NO Haul Road #13 B

237 242.8

-5.8

-69.6 NO Mean

-273.5 Median

-249.5 Minimum

-1089.2 Maximum 122.4 Std Dev (1s) 296.3 NOTES:

1 Instrument Efficiency = Instrument static 2-pi efficiency for beta 2

Sample Type: S = Systematic B = Biased 3

Mean of up to 5 background readings collected upon unimpacted concrete surfaces inside Building 3H/6H 4

MARSSIM (NRC, 2000) Sign Test required if a systematic measurement exceeds the DCGLw Haul Road Area - Beta Static Measurement Results SU