ML19163A370

20190415_UNC New Haven Racr, Appendix a Fssr Attachment 7 Structure Survey Unit Removable Measurement Data

ML19163A370
Person / Time
Site:	07000371
Issue date:	11/30/2018
From:	Cabrera Services
To:	NRC Region 1
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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 11 6

10 3

0

-38 42 55 10 28 987 964 497 179 1-W1 22 6

12 4

16 0

0 25 51 7

23 991 970 725 214 1-W2 22 3

-17 2

-23

-1

-64 13 47 4

33 994 957 1,168 152 2-F 23 95 26 98 22 5

38 238 98 52 36 817 937 36 104 2-W 22 15 14 8

13 1

36 98 54 25 27 986 974 457 251 3-F 22 13

-1 14 3

0

-61 47 47 13 29 983 962 375 170 3-W1 22 8

9 3

19 0

-52 106 60 22 34 971 956 223 148 3-W2 22 2

12 0

14 0

-35 14 43 3

21 996 973 1,508 241 3-W3 20 1

-2 0

-1 0

-38 8

29 2

17 997 978 2,157 298 4-F1 22 0

6

-1 15

-1

-48 4

33 2

23 998 971 2,674 220 4-F2 17

-1

-11

-1

-15

-1

-41 1

33 1

21 998 973 4,074 240 4-W1 22 0

1 0

-3 0

-39 5

54 2

25 998 968 3,235 203 4-W2 22 1

0 0

0 0

-46 5

46 2

23 998 970 2,654 219 4-W3 22 1

-12 0

-7 0

-54 5

32 2

27 998 965 2,648 184 5-F 22 2

-6 0

-10 0

-40 8

53 2

27 997 965 2,101 186 5-W 22 0

8

-1 7

-1

-38 5

51 2

20 998 974 3,235 251 6-F1 22 2

4 3

4 0

-36 8

49 2

24 997 969 2,016 211 6-F2 22 2

3 0

-3 0

-36 14 56 4

24 995 969 1,314 210 6-W1 22 1

11

-1 10

-1

-42 7

74 3

22 996 972 1,770 231 6-W2 22 1

20

-1 18

-1

-35 7

77 2

29 997 962 2,088 170 6-FW1 22 1

1 0

0 0

-30 5

59 2

24 998 968 2,673 205 6-FW2 22 1

12

-1 7

-1

-19 5

52 2

21 997 973 2,411 240 AP 28 1

5

-1 6

-1

-32 13 58 3

24 996 969 1,643 211 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 Table 6-6. Structure Survey Unit Removable Survey Systematic Measurement Summary Relative Shift (unitless)

Standard Deviation Mean Median Minimum Maximum disintegrations per minute per 100 square centimeters (dpm/100 cm2)

Power < 1

Survey # of Unit Msmts 1-F 5

6 13 5

3 0

-5 11 66 5

30 994 961 1,021 166 1-W1 6

1 3

1 5

0

-23 3

33 2

22 998 971 3,250 225 1-W2 5

1

-18 0

-23 0

-42 3

7 1

20 998 974 3,982 248 2-F 26 163 44 171 45 59

-7 334 111 59 31 923 960 81 161 2-W 7

15 17 8

20 5

-21 56 50 18 23 976 970 276 216 3-F 2

10 21 10 21 3

17 17 25 10 5

987 993 503 948 3-W1 4

6 19 5

21 0

-3 14 38 7

18 990 976 676 270 3-W2 3

3 26 0

36 0

-20 8

62 5

42 994 946 1,028 119 3-W3 2

3 8

3 8

3

-18 3

34 0

37 1,000 952 INF 136 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

0

-18 0

-1 0

-60 0

7 0

37 1,000 952 INF 136 4-W2 3

1

-27 0

-23 0

-42 3

-16 2

13 998 983 3,084 375 4-W3 14 1

-2 0

-2 0

-35 5

28 2

20 998 974 2,913 249 5-F 8

0 3

-1

-6

-1

-19 2

40 1

24 998 969 3,441 212 5-W 12 0

-8 0

-9 0

-48 0

27 0

23 1,000 970 INF 220 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

0 16

-1 19

-1

-24 2

47 1

30 998 961 3,566 168 6-W2 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-FW1 10 1

11 1

5 0

-19 5

44 2

22 997 972 2,546 228 6-FW2 8

-1 10

-1 13

-1

-26

-1 48 0

24 1,000 969 INF 210 AP 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 26 2

5 2

-2

-1

-47 11 87 3

33 995 958 1,442 153 DP Rm 15 23 16 13 6

-1

-27 81 62 26 29 966 963 190 175 SmTr 34 4

11 2

14

-1

-39 16 76 5

28 993 964 984 180 XY 12 21

-5 8

-2

-1

-46 92 28 29 21 962 973 171 242 HR 13 0

-4

-1

-6

-1

-38 7

55 2

27 997 965 2,031 189 Relative Shift (unitless)

Power < 1 Table 6-7. Structure Survey Unit Removable Survey Systematic Measurement Summary disintegrations per minute per 100 square centimeters (dpm/100 cm2)

Standard Deviation Mean Median Minimum Maximum

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

MARSSIM Class:

SU DCGLw (dpm/100cm2) 3030E/43-10-1 217611 PR232046 0.356 100 1

1000 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

4 0.0 4.0 11.2 NO South Trench Sec 1 F #2 S

7 0.0 7.0 19.7 NO South Trench Sec 1 F #3 S

0 0.0 0.0 0.0 NO South Trench Sec 1 F #4 S

3 0.0 3.0 8.4 NO South Trench Sec 1 F #5 S

5 0.0 5.0 14.0 NO South Trench Sec 1 F #6 S

8 0.0 8.0 22.5 NO South Trench Sec 1 F #7 S

15 0.0 15.0 42.1 NO South Trench Sec 1 F #8 S

6 0.0 6.0 16.8 NO South Trench Sec 1 F #9 S

5 0.0 5.0 14.0 NO South Trench Sec 1 F #10 S

8 0.0 8.0 22.5 NO South Trench Sec 1 F #11 S

4 0.0 4.0 11.2 NO South Trench Sec 1 F #12 S

2 0.0 2.0 5.6 NO South Trench Sec 1 F #13 S

4 0.0 4.0 11.2 NO South Trench Sec 1 F #14 S

5 0.0 5.0 14.0 NO South Trench Sec 1 F #15 S

1 0.0 1.0 2.8 NO South Trench Sec 1 F #16 S

3 0.0 3.0 8.4 NO South Trench Sec 1 F #17 S

0 0.0 0.0 0.0 NO South Trench Sec 1 F #18 S

2 0.0 2.0 5.6 NO South Trench Sec 1 F #19 S

0 0.0 0.0 0.0 NO South Trench Sec 1 F #20 S

0 0.0 0.0 0.0 NO South Trench Sec 1 F #21 S

0 0.0 0.0 0.0 NO South Trench Sec 1 F #22 S

3 0.0 3.0 8.4 NO Mean 10.8 Median 9.8 Minimum 0.0 Maximum 42.1 Std Dev (1s) 10.0 South Trench Sec 1 F #Y-11 B

4 0.1 3.9 11.0 NO South Trench Sec 1 F #Y-15 B

4 0.1 3.9 11.0 NO South Trench Sec 1 F #X-15 B

2 0.1 1.9 5.3 NO South Trench Sec 1 F #K3 B

0 0.0 0.0 0.0 NO South Trench Sec 1 F #L3 B

1 0.0 1.0 2.8 NO Mean 6.0 Median 5.3 Minimum 0.0 Maximum 11.0 Std Dev (1s)

4.9 NOTES

1 Instrument Efficiency = Instrument 4-pi efficiency for alpha 2

Sample Type: S = Systematic B = Biased 3

Daily 10-minute background count in counts per minute South Trench Section 1 - Floor Survey Unit - Alpha Smear Measurement Results SU

Description:

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

MARSSIM Class:

SU DCGLw (dpm/100cm2) 3030E/43-10-1 217611 PR232046 0.269 100 1

1000 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

54 50.2 3.8 14.1 NO South Trench Sec 1 F #2 S

56 50.2 5.8 21.5 NO South Trench Sec 1 F #3 S

40 50.2

-10.2

-37.9 NO South Trench Sec 1 F #4 S

62 50.2 11.8 43.8 NO South Trench Sec 1 F #5 S

45 50.2

-5.2

-19.3 NO South Trench Sec 1 F #6 S

45 50.2

-5.2

-19.3 NO South Trench Sec 1 F #7 S

42 50.2

-8.2

-30.5 NO South Trench Sec 1 F #8 S

51 50.2 0.8 3.0 NO South Trench Sec 1 F #9 S

42 50.2

-8.2

-30.5 NO South Trench Sec 1 F #10 S

61 50.2 10.8 40.1 NO South Trench Sec 1 F #11 S

49 50.2

-1.2

-4.5 NO South Trench Sec 1 F #12 S

56 50.2 5.8 21.5 NO South Trench Sec 1 F #13 S

47 50.2

-3.2

-11.9 NO South Trench Sec 1 F #14 S

57 50.2 6.8 25.3 NO South Trench Sec 1 F #15 S

44 50.2

-6.2

-23.0 NO South Trench Sec 1 F #16 S

45 50.2

-5.2

-19.3 NO South Trench Sec 1 F #17 S

63 50.2 12.8 47.6 NO South Trench Sec 1 F #18 S

53 50.2 2.8 10.4 NO South Trench Sec 1 F #19 S

50 50.2

-0.2

-0.7 NO South Trench Sec 1 F #20 S

60 50.2 9.8 36.4 NO South Trench Sec 1 F #21 S

51 50.2 0.8 3.0 NO South Trench Sec 1 F #22 S

65 50.2 14.8 55.0 NO Mean 5.7 Median 3.0 Minimum

-37.9 Maximum 55.0 Std Dev (1s) 28.0 South Trench Sec 1 F #Y-11 B

47 48.4

-1.4

-5.2 NO South Trench Sec 1 F #Y-15 B

50 48.4 1.6 5.9 NO South Trench Sec 1 F #X-15 B

47 48.4

-1.4

-5.2 NO South Trench Sec 1 F #K3 B

68 50.2 17.8 66.1 NO South Trench Sec 1 F #L3 B

51 50.2 0.8 3.0 NO Mean 12.9 Median 3.0 Minimum

-5.2 Maximum 66.1 Std Dev (1s) 30.2 NOTES:

1 Instrument Efficiency = Instrument 4-pi efficiency for alpha 2

Sample Type: S = Systematic B = Biased 3

Daily 10-minute background count in counts per minute South Trench Section 1 - Floor Survey Unit - Beta Smear Measurement Results SU

Description:

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

MARSSIM Class:

SU DCGLw (dpm/100cm2) 3030E/43-10-1 217611 PR232046 0.356 100 1

1000 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

5 0.0 5.0 14.0 NO South Trench Sec 1 W-1 #2 S

5 0.0 5.0 14.0 NO South Trench Sec 1 W-1 #3 S

2 0.0 2.0 5.6 NO South Trench Sec 1 W-1 #4 S

4 0.0 4.0 11.2 NO South Trench Sec 1 W-1 #5 S

4 0.0 4.0 11.2 NO South Trench Sec 1 W-1 #6 S

2 0.0 2.0 5.6 NO South Trench Sec 1 W-1 #7 S

6 0.0 6.0 16.8 NO South Trench Sec 1 W-1 #8 S

2 0.0 2.0 5.6 NO South Trench Sec 1 W-1 #9 S

3 0.0 3.0 8.4 NO South Trench Sec 1 W-1 #10 S

4 0.0 4.0 11.2 NO South Trench Sec 1 W-1 #11 S

1 0.0 1.0 2.8 NO South Trench Sec 1 W-1 #12 S

0 0.0 0.0 0.0 NO South Trench Sec 1 W-1 #13 S

9 0.0 9.0 25.3 NO South Trench Sec 1 W-1 #14 S

0 0.0 0.0 0.0 NO South Trench Sec 1 W-1 #15 S

0 0.0 0.0 0.0 NO South Trench Sec 1 W-1 #16 S

0 0.0 0.0 0.0 NO South Trench Sec 1 W-1 #17 S

0 0.0 0.0 0.0 NO South Trench Sec 1 W-1 #18 S

1 0.0 1.0 2.8 NO South Trench Sec 1 W-1 #19 S

1 0.0 1.0 2.8 NO South Trench Sec 1 W-1 #20 S

0 0.0 0.0 0.0 NO South Trench Sec 1 W-1 #21 S

1 0.0 1.0 2.8 NO South Trench Sec 1 W-1 #22 S

0 0.0 0.0 0.0 NO Mean 6.4 Median 4.2 Minimum 0.0 Maximum 25.3 Std Dev (1s) 6.9 South Trench Sec 1 W-1 #B5 B

0 0.0 0.0 0.0 NO South Trench Sec 1 W-1 #C5 B

0 0.0 0.0 0.0 NO South Trench Sec 1 W-1 #D6 B

0 0.0 0.0 0.0 NO South Trench Sec 1 W-1 #K6 B

1 0.0 1.0 2.8 NO South Trench Sec 1 W-1 #L6 B

1 0.0 1.0 2.8 NO South Trench Sec 1 W-1 #N6 B

1 0.0 1.0 2.8 NO Mean 1.4 Median 1.4 Minimum 0.0 Maximum 2.8 Std Dev (1s)

1.5 NOTES

1 Instrument Efficiency = Instrument 4-pi efficiency for alpha 2

Sample Type: S = Systematic B = Biased 3

Daily 10-minute background count in counts per minute South Trench Section 1 - Wall Survey Unit 1 - Alpha Smear Measurement Results SU

Description:

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

MARSSIM Class:

SU DCGLw (dpm/100cm2) 3030E/43-10-1 217611 PR232046 0.269 100 1

1000 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

57 50.2 6.8 25.3 NO South Trench Sec 1 W-1 #2 S

56 50.2 5.8 21.5 NO South Trench Sec 1 W-1 #3 S

45 50.2

-5.2

-19.3 NO South Trench Sec 1 W-1 #4 S

55 50.2 4.8 17.8 NO South Trench Sec 1 W-1 #5 S

54 50.2 3.8 14.1 NO South Trench Sec 1 W-1 #6 S

64 50.2 13.8 51.3 NO South Trench Sec 1 W-1 #7 S

55 50.2 4.8 17.8 NO South Trench Sec 1 W-1 #8 S

47 50.2

-3.2

-11.9 NO South Trench Sec 1 W-1 #9 S

45 50.2

-5.2

-19.3 NO South Trench Sec 1 W-1 #10 S

54 50.2 3.8 14.1 NO South Trench Sec 1 W-1 #11 S

48 50.2

-2.2

-8.2 NO South Trench Sec 1 W-1 #12 S

55 50.2 4.8 17.8 NO South Trench Sec 1 W-1 #13 S

57 50.2 6.8 25.3 NO South Trench Sec 1 W-1 #14 S

62 50.2 11.8 43.8 NO South Trench Sec 1 W-1 #15 S

61 50.2 10.8 40.1 NO South Trench Sec 1 W-1 #16 S

57 50.2 6.8 25.3 NO South Trench Sec 1 W-1 #17 S

53 50.2 2.8 10.4 NO South Trench Sec 1 W-1 #18 S

49 50.2

-1.2

-4.5 NO South Trench Sec 1 W-1 #19 S

63 50.2 12.8 47.6 NO South Trench Sec 1 W-1 #20 S

42 50.2

-8.2

-30.5 NO South Trench Sec 1 W-1 #21 S

45 50.2

-5.2

-19.3 NO South Trench Sec 1 W-1 #22 S

52 50.2 1.8 6.7 NO Mean 12.1 Median 16.0 Minimum

-30.5 Maximum 51.3 Std Dev (1s) 23.3 South Trench Sec 1 W-1 #B5 B

45 50.2

-5.2

-19.3 NO South Trench Sec 1 W-1 #C5 B

59 50.2 8.8 32.7 NO South Trench Sec 1 W-1 #D6 B

44 50.2

-6.2

-23.0 NO South Trench Sec 1 W-1 #K6 B

54 50.2 3.8 14.1 NO South Trench Sec 1 W-1 #L6 B

55 50.2 4.8 17.8 NO South Trench Sec 1 W-1 #N6 B

49 50.2

-1.2

-4.5 NO Mean 3.0 Median 4.8 Minimum

-23.0 Maximum 32.7 Std Dev (1s) 22.2 NOTES:

1 Instrument Efficiency = Instrument 4-pi efficiency for alpha 2

Sample Type: S = Systematic B = Biased 3

Daily 10-minute background count in counts per minute South Trench Section 1 - Wall Survey Unit 1 - Beta Smear Measurement Results SU

Description:

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

MARSSIM Class:

SU DCGLw (dpm/100cm2) 3030E/43-10-1 217611 PR232046 0.356 100 1

1000 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

4 0.3 3.7 10.4 NO South Trench Sec 1 W-2 #2 S

0 0.3

-0.3

-0.8 NO South Trench Sec 1 W-2 #3 S

0 0.3

-0.3

-0.8 NO South Trench Sec 1 W-2 #4 S

0 0.3

-0.3

-0.8 NO South Trench Sec 1 W-2 #5 S

0 0.3

-0.3

-0.8 NO South Trench Sec 1 W-2 #6 S

0 0.3

-0.3

-0.8 NO South Trench Sec 1 W-2 #7 S

0 0.3

-0.3

-0.8 NO South Trench Sec 1 W-2 #8 S

2 0.3 1.7 4.8 NO South Trench Sec 1 W-2 #9 S

1 0.3 0.7 2.0 NO South Trench Sec 1 W-2 #10 S

0 0.3

-0.3

-0.8 NO South Trench Sec 1 W-2 #11 S

2 0.3 1.7 4.8 NO South Trench Sec 1 W-2 #12 S

0 0.3

-0.3

-0.8 NO South Trench Sec 1 W-2 #13 S

1 0.3 0.7 2.0 NO South Trench Sec 1 W-2 #14 S

5 0.3 4.7 13.2 NO South Trench Sec 1 W-2 #15 S

1 0.3 0.7 2.0 NO South Trench Sec 1 W-2 #16 S

2 0.3 1.7 4.8 NO South Trench Sec 1 W-2 #17 S

4 0.3 3.7 10.4 NO South Trench Sec 1 W-2 #18 S

1 0.3 0.7 2.0 NO South Trench Sec 1 W-2 #19 S

0 0.3

-0.3

-0.8 NO South Trench Sec 1 W-2 #20 S

2 0.3 1.7 4.8 NO South Trench Sec 1 W-2 #21 S

1 0.3 0.7 2.0 NO South Trench Sec 1 W-2 #22 S

3 0.3 2.7 7.6 NO Mean 2.9 Median 2.0 Minimum

-0.8 Maximum 13.2 Std Dev (1s) 4.3 South Trench Sec 1 W-2 #F2 B

0 0.0 0.0 0.0 NO South Trench Sec 1 W-2 #J2 B

1 0.0 1.0 2.8 NO South Trench Sec 1 W-2 #N2 B

0 0.0 0.0 0.0 NO South Trench Sec 1 W-2 #T2 B

0 0.0 0.0 0.0 NO South Trench Sec 1 W-2 #X2 B

0 0.0 0.0 0.0 NO Mean 0.6 Median 0.0 Minimum 0.0 Maximum 2.8 Std Dev (1s)

1.3 NOTES

1 Instrument Efficiency = Instrument 4-pi efficiency for alpha 2

Sample Type: S = Systematic B = Biased 3

Daily 10-minute background count in counts per minute South Trench Section 1 - Wall Survey Unit 2 - Alpha Smear Measurement Results SU

Description:

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

MARSSIM Class:

SU DCGLw (dpm/100cm2) 3030E/43-10-1 217611 PR232046 0.269 100 1

1000 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

51 49.3 1.7 6.3 NO South Trench Sec 1 W-2 #2 S

49 49.3

-0.3

-1.1 NO South Trench Sec 1 W-2 #3 S

37 49.3

-12.3

-45.7 NO South Trench Sec 1 W-2 #4 S

52 49.3 2.7 10.0 NO South Trench Sec 1 W-2 #5 S

39 49.3

-10.3

-38.3 NO South Trench Sec 1 W-2 #6 S

49 49.3

-0.3

-1.1 NO South Trench Sec 1 W-2 #7 S

33 49.3

-16.3

-60.6 NO South Trench Sec 1 W-2 #8 S

39 49.3

-10.3

-38.3 NO South Trench Sec 1 W-2 #9 S

62 49.3 12.7 47.2 NO South Trench Sec 1 W-2 #10 S

46 49.3

-3.3

-12.3 NO South Trench Sec 1 W-2 #11 S

54 49.3 4.7 17.5 NO South Trench Sec 1 W-2 #12 S

39 49.3

-10.3

-38.3 NO South Trench Sec 1 W-2 #13 S

57 49.3 7.7 28.6 NO South Trench Sec 1 W-2 #14 S

39 49.3

-10.3

-38.3 NO South Trench Sec 1 W-2 #15 S

49 49.3

-0.3

-1.1 NO South Trench Sec 1 W-2 #16 S

32 49.3

-17.3

-64.3 NO South Trench Sec 1 W-2 #17 S

40 49.3

-9.3

-34.6 NO South Trench Sec 1 W-2 #18 S

52 49.3 2.7 10.0 NO South Trench Sec 1 W-2 #19 S

58 49.3 8.7 32.3 NO South Trench Sec 1 W-2 #20 S

33 49.3

-16.3

-60.6 NO South Trench Sec 1 W-2 #21 S

37 49.3

-12.3

-45.7 NO South Trench Sec 1 W-2 #22 S

39 49.3

-10.3

-38.3 NO Mean

-16.7 Median

-23.4 Minimum

-64.3 Maximum 47.2 Std Dev (1s) 33.0 South Trench Sec 1 W-2 #F2 B

52 50.2 1.8 6.7 NO South Trench Sec 1 W-2 #J2 B

44 50.2

-6.2

-23.0 NO South Trench Sec 1 W-2 #N2 B

39 50.2

-11.2

-41.6 NO South Trench Sec 1 W-2 #T2 B

42 50.2

-8.2

-30.5 NO South Trench Sec 1 W-2 #X2 B

50 50.2

-0.2

-0.7 NO Mean

-17.8 Median

-23.0 Minimum

-41.6 Maximum 6.7 Std Dev (1s) 20.3 NOTES:

1 Instrument Efficiency = Instrument 4-pi efficiency for alpha 2

Sample Type: S = Systematic B = Biased 3

Daily 10-minute background count in counts per minute South Trench Section 1 - Wall Survey Unit 2 - Beta Smear Measurement Results SU

Description:

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

MARSSIM Class:

SU DCGLw (dpm/100cm2) 3030E/43-10-1 217611 PR232046 0.356 100 1

1000 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

33 0.2 32.8 92.1 NO S Trench, Sec 2F, Syst #2 S

36 0.2 35.8 100.5 NO S Trench, Sec 2F, Syst #3 S

26 0.2 25.8 72.4 NO S Trench, Sec 2F, Syst #4 S

35 0.2 34.8 97.7 NO S Trench, Sec 2F, Syst #5 S

31 0.2 30.8 86.5 NO S Trench, Sec 2F, Syst #6 S

36 0.2 35.8 100.5 NO S Trench, Sec 2F, Syst #7 S

44 0.4 43.6 122.4 NO S Trench, Sec 2F, Syst #8 S

85 0.4 84.6 237.5 NO S Trench, Sec 2F, Syst #9 S

49 0.4 48.6 136.5 NO S Trench, Sec 2F, Syst #10 S

42 0.4 41.6 116.8 NO S Trench, Sec 2F, Syst #11 S

47 0.4 46.6 130.8 NO S Trench, Sec 2F, Syst #12 S

63 0.4 62.6 175.8 NO S Trench, Sec 2F, Syst #13 S

47 0.4 46.6 130.8 NO S Trench, Sec 2F, Syst #14 S

39 0.4 38.6 108.4 NO S Trench, Sec 2F, Syst #15 S

22 0.4 21.6 60.6 NO S Trench, Sec 2F, Syst #16 S

28 0.4 27.6 77.5 NO S Trench, Sec 2F, Syst #17 S

21 0.4 20.6 57.8 NO S Trench, Sec 2F, Syst #18 S

46 0.3 45.7 128.3 NO S Trench, Sec 2F, Syst #19 S

28 0.3 27.7 77.8 NO S Trench, Sec 2F, Syst #20 S

9 0.3 8.7 24.4 NO S Trench, Sec 2F, Syst #21 S

10 0.3 9.7 27.2 NO S Trench, Sec 2F, Syst #22 S

9 0.3 8.7 24.4 NO S Trench, Sec 2F, Syst #23 S

2 0.3 1.7 4.8 NO Mean 95.3 Median 97.7 Minimum 4.8 Maximum 237.5 Std Dev (1s) 52.3 STrench, Section 2F, Grid 15A B

50 0.0 50.0 140.4 NO STrench, Section 2F, Grid 15B B

61 0.0 61.0 171.3 NO STrench, Section 2F, Grid 16A B

47 0.0 47.0 132.0 NO STrench, Section 2F, Grid 16B B

61 0.0 61.0 171.3 NO STrench, Section 2F, Grid 17A B

72 0.0 72.0 202.2 NO STrench, Section 2F, Grid 17B B

62 0.0 62.0 174.1 NO STrench, Section 2F, Grid 18A B

75 0.0 75.0 210.6 NO STrench, Section 2F, Grid 18B B

64 0.0 64.0 179.7 NO STrench, Section 2F, Grid 18C B

119 0.0 119.0 334.1 NO STrench, Section 2F, Grid 19A B

34 0.0 34.0 95.5 NO STrench, Section 2F, Grid 19B B

57 0.0 57.0 160.0 NO STrench, Section 2F, Grid 20 B

31 0.0 31.0 87.0 NO STrench, Section 2F, Grid 21A B

43 0.0 43.0 120.7 NO STrench, Section 2F, Grid 21B B

61 0.0 61.0 171.3 NO STrench, Section 2F, Grid 22 B

21 0.0 21.0 59.0 NO STrench, Section 2F, Grid 23A B

60 0.0 60.0 168.5 NO STrench, Section 2F, Grid 23B B

71 0.0 71.0 199.4 NO STrench, Section 2F, Grid 24 B

88 0.0 88.0 247.1 NO STrench, Section 2F, Grid 25 B

61 0.0 61.0 171.3 NO S Trench, Sec 2F, Grid 1 B

73 0.4 72.6 203.9 NO S Trench, Sec 2F, Grid 2 B

52 0.4 51.6 144.9 NO S Trench, Sec 2F, Grid 3 B

37 0.4 36.6 102.8 NO S Trench, Sec 2F, Grid 4 B

24 0.4 23.6 66.3 NO S Trench, Sec 2F, Grid 5 B

75 0.4 74.6 209.5 NO S Trench, Sec 2F, Grid 7 B

74 0.4 73.6 206.7 NO S Trench, Sec 2F, Grid 8 B

40 0.4 39.6 111.2 NO Mean 163.1 Median 171.3 Minimum 59.0 Maximum 334.1 Std Dev (1s) 59.4 NOTES:

1 Instrument Efficiency = Instrument 4-pi efficiency for alpha 2

Sample Type: S = Systematic B = Biased 3

Daily 10-minute background count in counts per minute South Trench Section 2 - Floor Survey Unit - Alpha Smear Measurement Results SU

Description:

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

MARSSIM Class:

SU DCGLw (dpm/100cm2) 3030E/43-10-1 217611 PR232046 0.269 100 1

1000 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

67 47.6 19.4 72.1 NO S Trench, Sec 2F, Syst #2 S

57 47.6 9.4 34.9 NO S Trench, Sec 2F, Syst #3 S

47 47.6

-0.6

-2.2 NO S Trench, Sec 2F, Syst #4 S

46 47.6

-1.6

-5.9 NO S Trench, Sec 2F, Syst #5 S

74 47.6 26.4 98.1 NO S Trench, Sec 2F, Syst #6 S

53 47.6 5.4 20.1 NO S Trench, Sec 2F, Syst #7 S

50 47.1 2.9 10.8 NO S Trench, Sec 2F, Syst #8 S

66 47.1 18.9 70.2 NO S Trench, Sec 2F, Syst #9 S

58 47.1 10.9 40.5 NO S Trench, Sec 2F, Syst #10 S

50 47.1 2.9 10.8 NO S Trench, Sec 2F, Syst #11 S

54 47.1 6.9 25.6 NO S Trench, Sec 2F, Syst #12 S

61 47.1 13.9 51.6 NO S Trench, Sec 2F, Syst #13 S

64 47.1 16.9 62.8 NO S Trench, Sec 2F, Syst #14 S

53 47.1 5.9 21.9 NO S Trench, Sec 2F, Syst #15 S

65 47.1 17.9 66.5 NO S Trench, Sec 2F, Syst #16 S

37 47.1

-10.1

-37.5 NO S Trench, Sec 2F, Syst #17 S

56 47.1 8.9 33.1 NO S Trench, Sec 2F, Syst #18 S

64 48.9 15.1 56.1 NO S Trench, Sec 2F, Syst #19 S

45 48.9

-3.9

-14.5 NO S Trench, Sec 2F, Syst #20 S

50 48.9 1.1 4.1 NO S Trench, Sec 2F, Syst #21 S

47 48.9

-1.9

-7.1 NO S Trench, Sec 2F, Syst #22 S

39 48.9

-9.9

-36.8 NO S Trench, Sec 2F, Syst #23 S

53 48.9 4.1 15.2 NO Mean 25.7 Median 21.9 Minimum

-37.5 Maximum 98.1 Std Dev (1s) 35.6 STrench, Section 2F, Grid 15A B

62 49.0 13.0 48.3 NO STrench, Section 2F, Grid 15B B

79 49.0 30.0 111.5 NO STrench, Section 2F, Grid 16A B

75 49.0 26.0 96.6 NO STrench, Section 2F, Grid 16B B

52 49.0 3.0 11.1 NO STrench, Section 2F, Grid 17A B

47 49.0

-2.0

-7.4 NO STrench, Section 2F, Grid 17B B

63 49.0 14.0 52.0 NO STrench, Section 2F, Grid 18A B

61 49.0 12.0 44.6 NO STrench, Section 2F, Grid 18B B

70 49.0 21.0 78.0 NO STrench, Section 2F, Grid 18C B

74 49.0 25.0 92.9 NO STrench, Section 2F, Grid 19A B

54 49.0 5.0 18.6 NO STrench, Section 2F, Grid 19B B

63 49.0 14.0 52.0 NO STrench, Section 2F, Grid 20 B

57 49.0 8.0 29.7 NO STrench, Section 2F, Grid 21A B

55 49.0 6.0 22.3 NO STrench, Section 2F, Grid 21B B

59 49.0 10.0 37.2 NO STrench, Section 2F, Grid 22 B

59 49.0 10.0 37.2 NO STrench, Section 2F, Grid 23A B

47 49.0

-2.0

-7.4 NO STrench, Section 2F, Grid 23B B

61 49.0 12.0 44.6 NO STrench, Section 2F, Grid 24 B

63 49.0 14.0 52.0 NO STrench, Section 2F, Grid 25 B

63 49.0 14.0 52.0 NO S Trench, Sec 2F, Grid 1 B

66 47.1 18.9 70.2 NO S Trench, Sec 2F, Grid 2 B

51 47.1 3.9 14.5 NO S Trench, Sec 2F, Grid 3 B

49 47.1 1.9 7.1 NO S Trench, Sec 2F, Grid 4 B

52 47.1 4.9 18.2 NO S Trench, Sec 2F, Grid 5 B

63 47.1 15.9 59.1 NO S Trench, Sec 2F, Grid 7 B

67 47.1 19.9 73.9 NO S Trench, Sec 2F, Grid 8 B

56 47.1 8.9 33.1 NO Mean 43.9 Median 44.6 Minimum

-7.4 Maximum 111.5 Std Dev (1s) 30.8 NOTES:

1 Instrument Efficiency = Instrument 4-pi efficiency for beta 2

Sample Type: S = Systematic B = Biased 3

Daily 10-minute background count in counts per minute South Trench Section 2 - Floor Survey Unit - Beta Smear Measurement Results SU

Description:

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

MARSSIM Class:

SU DCGLw (dpm/100cm2) 3030E/43-10-1 217611 PR232046 0.356 100 1

1000 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

1 0.2 0.8 2.2 NO S Trench, Sec 2W, Syst #2 S

5 0.2 4.8 13.5 NO S Trench, Sec 2W, Syst #3 S

2 0.2 1.8 5.1 NO S Trench, Sec 2W, Syst #4 S

1 0.2 0.8 2.2 NO S Trench, Sec 2W, Syst #5 S

0 0.2

-0.2

-0.6 NO S Trench, Sec 2W, Syst #6 S

1 0.2 0.8 2.2 NO S Trench, Sec 2W, Syst #7 S

8 0.2 7.8 21.9 NO S Trench, Sec 2W, Syst #8 S

8 0.2 7.8 21.9 NO S Trench, Sec 2W, Syst #9 S

29 0.2 28.8 80.9 NO S Trench, Sec 2W, Syst #10 S

6 0.2 5.8 16.3 NO S Trench, Sec 2W, Syst #11 S

35 0.2 34.8 97.7 NO S Trench, Sec 2W, Syst #12 S

3 0.2 2.8 7.9 NO S Trench, Sec 2W, Syst #13 S

1 0.2 0.8 2.2 NO S Trench, Sec 2W, Syst #14 S

0 0.2

-0.2

-0.6 NO S Trench, Sec 2W, Syst #15 S

4 0.2 3.8 10.7 NO S Trench, Sec 2W, Syst #16 S

4 0.2 3.8 10.7 NO S Trench, Sec 2W, Syst #17 S

4 0.2 3.8 10.7 NO S Trench, Sec 2W, Syst #18 S

3 0.2 2.8 7.9 NO S Trench, Sec 2W, Syst #19 S

1 0.2 0.8 2.2 NO S Trench, Sec 2W, Syst #20 S

0 0.2

-0.2

-0.6 NO S Trench, Sec 2W, Syst #21 S

8 0.2 7.8 21.9 NO S Trench, Sec 2W, Syst #22 S

0 0.2

-0.2

-0.6 NO Mean 15.3 Median 7.9 Minimum

-0.6 Maximum 97.7 Std Dev (1s) 25.2 South Trench Sec 2 W #W1-9 B

4 0.1 3.9 11.0 NO South Trench Sec 2 W #W1-10 B

20 0.1 19.9 55.9 NO South Trench Sec 2 W #W1-11 B

3 0.1 2.9 8.1 NO South Trench Sec 2 W #W1-12 B

5 0.1 4.9 13.8 NO South Trench Sec 2 W #W1-23 B

3 0.1 2.9 8.1 NO South Trench Sec 2 W #W2-2 B

2 0.1 1.9 5.3 NO South Trench Sec 2 W #W2-13 B

2 0.1 1.9 5.3 NO Mean 15.4 Median 8.1 Minimum 5.3 Maximum 55.9 Std Dev (1s) 18.1 Instrument Efficiency = Instrument 4-pi efficiency for alpha NOTES:

1 Instrument Efficiency = Instrument 4-pi efficiency for alpha 2

Sample Type: S = Systematic B = Biased 3

Daily 10-minute background count in counts per minute South Trench Section 2 - Wall Survey Unit - Alpha Smear Measurement Results SU

Description:

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

MARSSIM Class:

SU DCGLw (dpm/100cm2) 3030E/43-10-1 217611 PR232046 0.269 100 1

1000 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

48 47.6 0.4 1.5 NO S Trench, Sec 2W, Syst #2 S

50 47.6 2.4 8.9 NO S Trench, Sec 2W, Syst #3 S

51 47.6 3.4 12.6 NO S Trench, Sec 2W, Syst #4 S

62 47.6 14.4 53.5 NO S Trench, Sec 2W, Syst #5 S

58 47.6 10.4 38.6 NO S Trench, Sec 2W, Syst #6 S

57 47.6 9.4 34.9 NO S Trench, Sec 2W, Syst #7 S

60 47.6 12.4 46.1 NO S Trench, Sec 2W, Syst #8 S

52 47.6 4.4 16.3 NO S Trench, Sec 2W, Syst #9 S

48 47.6 0.4 1.5 NO S Trench, Sec 2W, Syst #10 S

61 47.6 13.4 49.8 NO S Trench, Sec 2W, Syst #11 S

42 47.6

-5.6

-20.8 NO S Trench, Sec 2W, Syst #12 S

61 47.6 13.4 49.8 NO S Trench, Sec 2W, Syst #13 S

51 47.6 3.4 12.6 NO S Trench, Sec 2W, Syst #14 S

42 47.6

-5.6

-20.8 NO S Trench, Sec 2W, Syst #15 S

49 47.6 1.4 5.2 NO S Trench, Sec 2W, Syst #16 S

47 47.6

-0.6

-2.2 NO S Trench, Sec 2W, Syst #17 S

41 47.6

-6.6

-24.5 NO S Trench, Sec 2W, Syst #18 S

38 47.6

-9.6

-35.7 NO S Trench, Sec 2W, Syst #19 S

44 47.6

-3.6

-13.4 NO S Trench, Sec 2W, Syst #20 S

59 47.6 11.4 42.4 NO S Trench, Sec 2W, Syst #21 S

53 47.6 5.4 20.1 NO S Trench, Sec 2W, Syst #22 S

55 47.6 7.4 27.5 NO Mean 13.8 Median 12.6 Minimum

-35.7 Maximum 53.5 Std Dev (1s) 26.8 South Trench Sec 2 W #W1-9 B

53 47.6 5.4 20.1 NO South Trench Sec 2 W #W1-10 B

61 47.6 13.4 49.8 NO South Trench Sec 2 W #W1-11 B

42 47.6

-5.6

-20.8 NO South Trench Sec 2 W #W1-12 B

47 47.6

-0.6

-2.2 NO South Trench Sec 2 W #W1-23 B

52 47.6 4.4 16.3 NO South Trench Sec 2 W #W2-2 B

56 47.6 8.4 31.2 NO South Trench Sec 2 W #W2-13 B

55 47.6 7.4 27.5 NO Mean 17.4 Median 20.1 Minimum

-20.8 Maximum 49.8 Std Dev (1s) 23.1 NOTES:

1 Instrument Efficiency = Instrument 4-pi efficiency for alpha 2

Sample Type: S = Systematic B = Biased 3

Daily 10-minute background count in counts per minute South Trench Section 2 - Wall Survey Unit - Beta Smear Measurement Results SU

Description:

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

MARSSIM Class:

SU DCGLw (dpm/100cm2) 3030E/43-10-1 217611 PR232046 0.356 100 1

1000 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

0 0.1

-0.1

-0.3 NO STrench, Sec 3F, Sys #2 S

1 0.1 0.9 2.5 NO STrench, Sec 3F, Sys #3 S

0 0.1

-0.1

-0.3 NO STrench, Sec 3F, Sys #4 S

5 0.1 4.9 13.8 NO STrench, Sec 3F, Sys #5 S

0 0.1

-0.1

-0.3 NO STrench, Sec 3F, Sys #6 S

2 0.1 1.9 5.3 NO STrench, Sec 3F, Sys #7 S

12 0.1 11.9 33.4 NO STrench, Sec 3F, Sys #8 S

0 0.1

-0.1

-0.3 NO STrench, Sec 3F, Sys #9 S

4 0.1 3.9 11.0 NO STrench, Sec 3F, Sys #10 S

15 0.1 14.9 41.8 NO STrench, Sec 3F, Sys #11 S

17 0.1 16.9 47.5 NO STrench, Sec 3F, Sys #12 S

3 0.1 2.9 8.1 NO STrench, Sec 3F, Sys #13 S

5 0.1 4.9 13.8 NO STrench, Sec 3F, Sys #14 S

5 0.1 4.9 13.8 NO STrench, Sec 3F, Sys #15 S

1 0.1 0.9 2.5 NO STrench, Sec 3F, Sys #16 S

5 0.1 4.9 13.8 NO STrench, Sec 3F, Sys #17 S

7 0.1 6.9 19.4 NO STrench, Sec 3F, Sys #18 S

4 0.1 3.9 11.0 NO STrench, Sec 3F, Sys #19 S

5 0.1 4.9 13.8 NO STrench, Sec 3F, Sys #20 S

7 0.1 6.9 19.4 NO STrench, Sec 3F, Sys #21 S

5 0.1 4.9 13.8 NO STrench, Sec 3F, Sys #22 S

0 0.1

-0.1

-0.3 NO Mean 12.9 Median 13.8 Minimum

-0.3 Maximum 47.5 Std Dev (1s) 13.3 STrench, Sec 3 F, Grid# F11 B

6 0.1 5.9 16.6 NO STrench, Sec 3 Branch Off 2, F Grid# 1 B

1 0.1 0.9 2.5 NO Mean 9.5 Median 9.5 Minimum 2.5 Maximum 16.6 Std Dev (1s)

9.9 NOTES

1 Instrument Efficiency = Instrument 4-pi efficiency for alpha 2

Sample Type: S = Systematic B = Biased 3

Daily 10-minute background count in counts per minute South Trench Section 3 - Floor Survey Unit - Alpha Smear Measurement Results SU

Description:

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

MARSSIM Class:

SU DCGLw (dpm/100cm2) 3030E/43-10-1 217611 PR232046 0.269 100 1

1000 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

36 49.3

-13.3

-49.4 NO STrench, Sec 3F, Sys #2 S

62 49.3 12.7 47.2 NO STrench, Sec 3F, Sys #3 S

55 49.3 5.7 21.2 NO STrench, Sec 3F, Sys #4 S

45 49.3

-4.3

-16.0 NO STrench, Sec 3F, Sys #5 S

51 49.3 1.7 6.3 NO STrench, Sec 3F, Sys #6 S

33 49.3

-16.3

-60.6 NO STrench, Sec 3F, Sys #7 S

46 49.3

-3.3

-12.3 NO STrench, Sec 3F, Sys #8 S

55 49.3 5.7 21.2 NO STrench, Sec 3F, Sys #9 S

56 49.3 6.7 24.9 NO STrench, Sec 3F, Sys #10 S

49 49.3

-0.3

-1.1 NO STrench, Sec 3F, Sys #11 S

43 49.3

-6.3

-23.4 NO STrench, Sec 3F, Sys #12 S

45 49.3

-4.3

-16.0 NO STrench, Sec 3F, Sys #13 S

49 49.3

-0.3

-1.1 NO STrench, Sec 3F, Sys #14 S

50 49.3 0.7 2.6 NO STrench, Sec 3F, Sys #15 S

58 49.3 8.7 32.3 NO STrench, Sec 3F, Sys #16 S

50 49.3 0.7 2.6 NO STrench, Sec 3F, Sys #17 S

52 49.3 2.7 10.0 NO STrench, Sec 3F, Sys #18 S

44 49.3

-5.3

-19.7 NO STrench, Sec 3F, Sys #19 S

57 49.3 7.7 28.6 NO STrench, Sec 3F, Sys #20 S

35 49.3

-14.3

-53.1 NO STrench, Sec 3F, Sys #21 S

61 49.3 11.7 43.5 NO STrench, Sec 3F, Sys #22 S

49 49.3

-0.3

-1.1 NO Mean

-0.6 Median 2.6 Minimum

-60.6 Maximum 47.2 Std Dev (1s) 29.4 STrench, Sec 3 F, Grid# F11 B

56 49.3 6.7 24.9 NO STrench, Sec 3 Branch Off 2, F Grid# 1 B

54 49.3 4.7 17.5 NO Mean 21.2 Median 21.2 Minimum 17.5 Maximum 24.9 Std Dev (1s)

5.3 NOTES

1 Instrument Efficiency = Instrument 4-pi efficiency for alpha 2

Sample Type: S = Systematic B = Biased 3

Daily 10-minute background count in counts per minute South Trench Section 3 - Floor Survey Unit - Beta Smear Measurement Results SU

Description:

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

MARSSIM Class:

SU DCGLw (dpm/100cm2) 3030E/43-10-1 217611 PR232046 0.356 100 1

1000 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

0 0.1

-0.1

-0.3 NO STrench, Sec 3W1, Sys #2 S

0 0.1

-0.1

-0.3 NO STrench, Sec 3W1, Sys #3 S

2 0.1 1.9 5.3 NO STrench, Sec 3W1, Sys #4 S

5 0.1 4.9 13.8 NO STrench, Sec 3W1, Sys #5 S

4 0.1 3.9 11.0 NO STrench, Sec 3W1, Sys #6 S

2 0.1 1.9 5.3 NO STrench, Sec 3W1, Sys #7 S

2 0.1 1.9 5.3 NO STrench, Sec 3W1, Sys #8 S

0 0.1

-0.1

-0.3 NO STrench, Sec 3W1, Sys #9 S

1 0.1 0.9 2.5 NO STrench, Sec 3W1, Sys #10 S

0 0.1

-0.1

-0.3 NO STrench, Sec 3W1, Sys #11 S

0 0.1

-0.1

-0.3 NO STrench, Sec 3W1, Sys #12 S

1 0.1 0.9 2.5 NO STrench, Sec 3W1, Sys #13 S

2 0.1 1.9 5.3 NO STrench, Sec 3W1, Sys #14 S

1 0.1 0.9 2.5 NO STrench, Sec 3W1, Sys #15 S

0 0.1

-0.1

-0.3 NO STrench, Sec 3W1, Sys #16 S

4 0.1 3.9 11.0 NO STrench, Sec 3W1, Sys #17 S

0 0.1

-0.1

-0.3 NO STrench, Sec 3W1, Sys #18 S

1 0.1 0.9 2.5 NO STrench, Sec 3W1, Sys #19 S

0 0.1

-0.1

-0.3 NO STrench, Sec 3W1, Sys #20 S

0 0.1

-0.1

-0.3 NO STrench, Sec 3W1, Sys #21 S

1 0.1 0.9 2.5 NO STrench, Sec 3W1, Sys #22 S

38 0.1 37.9 106.4 NO Mean 7.9 Median 2.5 Minimum

-0.3 Maximum 106.4 Std Dev (1s) 22.4 STrench, Sec 3 W1, Grid# 86 B

0 0.1

-0.1

-0.3 NO STrench, Sec 3 Branch Off 1, W2 Grid# 11 B

0 0.1

-0.1

-0.3 NO STrench, Sec 3 Branch Off 1, W2 Grid# 6 B

4 0.1 3.9 11.0 NO STrench, Sec 3 W2 Grid# 67 B

5 0.1 4.9 13.8 NO Mean 6.0 Median 5.3 Minimum

-0.3 Maximum 13.8 Std Dev (1s)

7.4 NOTES

1 Instrument Efficiency = Instrument 4-pi efficiency for alpha 2

Sample Type: S = Systematic B = Biased 3

Daily 10-minute background count in counts per minute South Trench Section 3 - Wall Survey Unit 1 - Alpha Smear Measurement Results SU

Description:

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

MARSSIM Class:

SU DCGLw (dpm/100cm2) 3030E/43-10-1 217611 PR232046 0.269 100 1

1000 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

43 48.9

-5.9

-21.9 NO STrench, Sec 3W1, Sys #2 S

41 48.9

-7.9

-29.4 NO STrench, Sec 3W1, Sys #3 S

52 48.9 3.1 11.5 NO STrench, Sec 3W1, Sys #4 S

65 48.9 16.1 59.8 NO STrench, Sec 3W1, Sys #5 S

44 48.9

-4.9

-18.2 NO STrench, Sec 3W1, Sys #6 S

41 48.9

-7.9

-29.4 NO STrench, Sec 3W1, Sys #7 S

50 48.9 1.1 4.1 NO STrench, Sec 3W1, Sys #8 S

54 48.9 5.1 18.9 NO STrench, Sec 3W1, Sys #9 S

55 48.9 6.1 22.7 NO STrench, Sec 3W1, Sys #10 S

59 48.9 10.1 37.5 NO STrench, Sec 3W1, Sys #11 S

65 48.9 16.1 59.8 NO STrench, Sec 3W1, Sys #12 S

65 48.9 16.1 59.8 NO STrench, Sec 3W1, Sys #13 S

56 48.9 7.1 26.4 NO STrench, Sec 3W1, Sys #14 S

59 48.9 10.1 37.5 NO STrench, Sec 3W1, Sys #15 S

57 48.9 8.1 30.1 NO STrench, Sec 3W1, Sys #16 S

42 48.9

-6.9

-25.6 NO STrench, Sec 3W1, Sys #17 S

45 48.9

-3.9

-14.5 NO STrench, Sec 3W1, Sys #18 S

54 48.9 5.1 18.9 NO STrench, Sec 3W1, Sys #19 S

39 48.9

-9.9

-36.8 NO STrench, Sec 3W1, Sys #20 S

49 48.9 0.1 0.4 NO STrench, Sec 3W1, Sys #21 S

35 48.9

-13.9

-51.6 NO STrench, Sec 3W1, Sys #22 S

60 48.9 11.1 41.2 NO Mean 9.2 Median 18.9 Minimum

-51.6 Maximum 59.8 Std Dev (1s) 33.7 STrench, Sec 3 W1, Grid# 86 B

52 48.9 3.1 11.5 NO STrench, Sec 3 Branch Off 1, W2 Grid# 11 B

59 48.9 10.1 37.5 NO STrench, Sec 3 Branch Off 1, W2 Grid# 6 B

57 48.9 8.1 30.1 NO STrench, Sec 3 W2 Grid# 67 B

48 48.9

-0.9

-3.3 NO Mean 18.9 Median 20.8 Minimum

-3.3 Maximum 37.5 Std Dev (1s) 18.5 NOTES:

1 Instrument Efficiency = Instrument 4-pi efficiency for alpha 2

Sample Type: S = Systematic B = Biased 3

Daily 10-minute background count in counts per minute South Trench Section 3 - Wall Survey Unit 1 - Beta Smear Measurement Results SU

Description:

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

MARSSIM Class:

SU DCGLw (dpm/100cm2) 3030E/43-10-1 217611 PR232046 0.356 100 1

1000 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

5 0.1 4.9 13.8 NO STrench, Sec 3W2, Sys #2 S

2 0.1 1.9 5.3 NO STrench, Sec 3W2, Sys #3 S

0 0.1

-0.1

-0.3 NO STrench, Sec 3W2, Sys #4 S

0 0.1

-0.1

-0.3 NO STrench, Sec 3W2, Sys #5 S

0 0.1

-0.1

-0.3 NO STrench, Sec 3W2, Sys #6 S

1 0.1 0.9 2.5 NO STrench, Sec 3W2, Sys #7 S

1 0.1 0.9 2.5 NO STrench, Sec 3W2, Sys #8 S

1 0.1 0.9 2.5 NO STrench, Sec 3W2, Sys #9 S

2 0.1 1.9 5.3 NO STrench, Sec 3W2, Sys #10 S

1 0.1 0.9 2.5 NO STrench, Sec 3W2, Sys #11 S

0 0.1

-0.1

-0.3 NO STrench, Sec 3W2, Sys #12 S

0 0.1

-0.1

-0.3 NO STrench, Sec 3W2, Sys #13 S

0 0.1

-0.1

-0.3 NO STrench, Sec 3W2, Sys #14 S

2 0.1 1.9 5.3 NO STrench, Sec 3W2, Sys #15 S

1 0.1 0.9 2.5 NO STrench, Sec 3W2, Sys #16 S

0 0.1

-0.1

-0.3 NO STrench, Sec 3W2, Sys #17 S

1 0.1 0.9 2.5 NO STrench, Sec 3W2, Sys #18 S

1 0.1 0.9 2.5 NO STrench, Sec 3W2, Sys #19 S

0 0.1

-0.1

-0.3 NO STrench, Sec 3W2, Sys #20 S

0 0.1

-0.1

-0.3 NO STrench, Sec 3W2, Sys #21 S

0 0.1

-0.1

-0.3 NO STrench, Sec 3W2, Sys #22 S

0 0.1

-0.1

-0.3 NO Mean 2.0 Median

-0.3 Minimum

-0.3 Maximum 13.8 Std Dev (1s) 3.3 STrench, Sec 3 W2 Grid# 37 B

0 0.1

-0.1

-0.3 NO STrench, Sec 3 W1, Grid# 54 B

3 0.1 2.9 8.1 NO STrench, Sec 3 W1, Grid# 42 B

0 0.1

-0.1

-0.3 NO Mean 2.5 Median

-0.3 Minimum

-0.3 Maximum 8.1 Std Dev (1s)

4.9 NOTES

1 Instrument Efficiency = Instrument 4-pi efficiency for alpha 2

Sample Type: S = Systematic B = Biased 3

Daily 10-minute background count in counts per minute South Trench Section 3 - Wall Survey Unit 2 - Alpha Smear Measurement Results SU

Description:

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

MARSSIM Class:

SU DCGLw (dpm/100cm2) 3030E/43-10-1 217611 PR232046 0.269 100 1

1000 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

56 49.3 6.7 24.9 NO STrench, Sec 3W2, Sys #2 S

52 49.3 2.7 10.0 NO STrench, Sec 3W2, Sys #3 S

40 49.3

-9.3

-34.6 NO STrench, Sec 3W2, Sys #4 S

53 49.3 3.7 13.7 NO STrench, Sec 3W2, Sys #5 S

56 49.3 6.7 24.9 NO STrench, Sec 3W2, Sys #6 S

51 49.3 1.7 6.3 NO STrench, Sec 3W2, Sys #7 S

42 49.3

-7.3

-27.1 NO STrench, Sec 3W2, Sys #8 S

47 49.3

-2.3

-8.5 NO STrench, Sec 3W2, Sys #9 S

57 49.3 7.7 28.6 NO STrench, Sec 3W2, Sys #10 S

47 49.3

-2.3

-8.5 NO STrench, Sec 3W2, Sys #11 S

53 49.3 3.7 13.7 NO STrench, Sec 3W2, Sys #12 S

55 49.3 5.7 21.2 NO STrench, Sec 3W2, Sys #13 S

59 49.3 9.7 36.0 NO STrench, Sec 3W2, Sys #14 S

51 49.3 1.7 6.3 NO STrench, Sec 3W2, Sys #15 S

54 49.3 4.7 17.5 NO STrench, Sec 3W2, Sys #16 S

49 49.3

-0.3

-1.1 NO STrench, Sec 3W2, Sys #17 S

55 49.3 5.7 21.2 NO STrench, Sec 3W2, Sys #18 S

60 49.3 10.7 39.8 NO STrench, Sec 3W2, Sys #19 S

61 49.3 11.7 43.5 NO STrench, Sec 3W2, Sys #20 S

47 49.3

-2.3

-8.5 NO STrench, Sec 3W2, Sys #21 S

50 49.3 0.7 2.6 NO STrench, Sec 3W2, Sys #22 S

59 49.3 9.7 36.0 NO Mean 11.7 Median 13.7 Minimum

-34.6 Maximum 43.5 Std Dev (1s) 20.7 STrench, Sec 3 W2 Grid# 37 B

44 49.3

-5.3

-19.7 NO STrench, Sec 3 W1, Grid# 54 B

59 49.3 9.7 36.0 NO STrench, Sec 3 W1, Grid# 42 B

66 49.3 16.7 62.0 NO Mean 26.1 Median 36.0 Minimum

-19.7 Maximum 62.0 Std Dev (1s) 41.8 NOTES:

1 Instrument Efficiency = Instrument 4-pi efficiency for beta 2

Sample Type: S = Systematic B = Biased 3

Daily 10-minute background count in counts per minute South Trench Section 3 - Wall Survey Unit 2 - Beta Smear Measurement Results SU

Description:

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

MARSSIM Class:

SU DCGLw (dpm/100cm2) 3030E/43-10-1 217611 PR232046 0.356 100 1

1000 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

0 0.1

-0.1

-0.3 NO STrench, Sec 3W3, Sys #2 S

0 0.1

-0.1

-0.3 NO STrench, Sec 3W3, Sys #3 S

0 0.1

-0.1

-0.3 NO STrench, Sec 3W3, Sys #4 S

1 0.1 0.9 2.5 NO STrench, Sec 3W3, Sys #5 S

0 0.1

-0.1

-0.3 NO STrench, Sec 3W3, Sys #6 S

1 0.1 0.9 2.5 NO STrench, Sec 3W3, Sys #7 S

3 0.1 2.9 8.1 NO STrench, Sec 3W3, Sys #8 S

0 0.1

-0.1

-0.3 NO STrench, Sec 3W3, Sys #9 S

0 0.1

-0.1

-0.3 NO STrench, Sec 3W3, Sys #10 S

1 0.1 0.9 2.5 NO STrench, Sec 3W3, Sys #11 S

0 0.1

-0.1

-0.3 NO STrench, Sec 3W3, Sys #12 S

0 0.1

-0.1

-0.3 NO STrench, Sec 3W3, Sys #13 S

2 0.1 1.9 5.3 NO STrench, Sec 3W3, Sys #14 S

1 0.1 0.9 2.5 NO STrench, Sec 3W3, Sys #15 S

0 0.1

-0.1

-0.3 NO STrench, Sec 3W3, Sys #16 S

0 0.1

-0.1

-0.3 NO STrench, Sec 3W3, Sys #17 S

0 0.1

-0.1

-0.3 NO STrench, Sec 3W3, Sys #18 S

0 0.1

-0.1

-0.3 NO STrench, Sec 3W3, Sys #19 S

0 0.1

-0.1

-0.3 NO STrench, Sec 3W3, Sys #20 S

0 0.1

-0.1

-0.3 NO Mean 1.0 Median

-0.3 Minimum

-0.3 Maximum 8.1 Std Dev (1s) 2.3 STrench, Sec 3 W3 Grid# 31 B

1 0.1 0.9 2.5 NO STrench, Sec 3 W3 Grid# 32 B

1 0.1 0.9 2.5 NO Mean 2.5 Median 2.5 Minimum 2.5 Maximum 2.5 Std Dev (1s)

0.0 NOTES

1 Instrument Efficiency = Instrument 4-pi efficiency for alpha 2

Sample Type: S = Systematic B = Biased 3

Daily 10-minute background count in counts per minute South Trench Section 3 - Wall Survey Unit 3 - Alpha Smear Measurement Results SU

Description:

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

MARSSIM Class:

SU DCGLw (dpm/100cm2) 3030E/43-10-1 217611 PR232046 0.269 100 1

1000 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

52 49.3 2.7 10.0 NO STrench, Sec 3W3, Sys #2 S

54 49.3 4.7 17.5 NO STrench, Sec 3W3, Sys #3 S

40 49.3

-9.3

-34.6 NO STrench, Sec 3W3, Sys #4 S

51 49.3 1.7 6.3 NO STrench, Sec 3W3, Sys #5 S

46 49.3

-3.3

-12.3 NO STrench, Sec 3W3, Sys #6 S

48 49.3

-1.3

-4.8 NO STrench, Sec 3W3, Sys #7 S

49 49.3

-0.3

-1.1 NO STrench, Sec 3W3, Sys #8 S

50 49.3 0.7 2.6 NO STrench, Sec 3W3, Sys #9 S

42 49.3

-7.3

-27.1 NO STrench, Sec 3W3, Sys #10 S

52 49.3 2.7 10.0 NO STrench, Sec 3W3, Sys #11 S

39 49.3

-10.3

-38.3 NO STrench, Sec 3W3, Sys #12 S

46 49.3

-3.3

-12.3 NO STrench, Sec 3W3, Sys #13 S

50 49.3 0.7 2.6 NO STrench, Sec 3W3, Sys #14 S

48 49.3

-1.3

-4.8 NO STrench, Sec 3W3, Sys #15 S

48 49.3

-1.3

-4.8 NO STrench, Sec 3W3, Sys #16 S

51 49.3 1.7 6.3 NO STrench, Sec 3W3, Sys #17 S

57 49.3 7.7 28.6 NO STrench, Sec 3W3, Sys #18 S

53 49.3 3.7 13.7 NO STrench, Sec 3W3, Sys #19 S

49 49.3

-0.3

-1.1 NO STrench, Sec 3W3, Sys #20 S

51 49.3 1.7 6.3 NO Mean

-1.9 Median

-1.1 Minimum

-38.3 Maximum 28.6 Std Dev (1s) 16.8 STrench, Sec 3 W3 Grid# 31 B

58 48.9 9.1 33.8 NO STrench, Sec 3 W3 Grid# 32 B

44 48.9

-4.9

-18.2 NO Mean 7.8 Median 7.8 Minimum

-18.2 Maximum 33.8 Std Dev (1s) 36.8 NOTES:

1 Instrument Efficiency = Instrument 4-pi efficiency for beta 2

Sample Type: S = Systematic B = Biased 3

Daily 10-minute background count in counts per minute South Trench Section 3 - Wall Survey Unit 3 - Beta Smear Measurement Results SU

Description:

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

MARSSIM Class:

SU DCGLw (dpm/100cm2) 3030E/43-10-1 217611 PR232046 0.356 100 1

1000 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

0 0.5

-0.5

-1.4 NO Strench, Sec 4 F1, Sys #2 S

0 0.5

-0.5

-1.4 NO Strench, Sec 4 F1, Sys #3 S

0 0.5

-0.5

-1.4 NO Strench, Sec 4 F1, Sys #4 S

1 0.5 0.5 1.4 NO Strench, Sec 4 F1, Sys #5 S

0 0.5

-0.5

-1.4 NO Strench, Sec 4 F1, Sys #6 S

1 0.5 0.5 1.4 NO Strench, Sec 4 F1, Sys #7 S

0 0.5

-0.5

-1.4 NO Strench, Sec 4 F1, Sys #8 S

0 0.5

-0.5

-1.4 NO Strench, Sec 4 F1, Sys #9 S

0 0.5

-0.5

-1.4 NO Strench, Sec 4 F1, Sys #10 S

0 0.5

-0.5

-1.4 NO Strench, Sec 4 F1, Sys #11 S

0 0.5

-0.5

-1.4 NO Strench, Sec 4 F1, Sys #12 S

2 0.5 1.5 4.2 NO Strench, Sec 4 F1, Sys #13 S

2 0.5 1.5 4.2 NO Strench, Sec 4 F1, Sys #14 S

0 0.5

-0.5

-1.4 NO Strench, Sec 4 F1, Sys #15 S

1 0.5 0.5 1.4 NO Strench, Sec 4 F1, Sys #16 S

0 0.5

-0.5

-1.4 NO Strench, Sec 4 F1, Sys #17 S

0 0.5

-0.5

-1.4 NO Strench, Sec 4 F1, Sys #18 S

0 0.5

-0.5

-1.4 NO Strench, Sec 4 F1, Sys #19 S

0 0.5

-0.5

-1.4 NO Strench, Sec 4 F1, Sys #20 S

1 0.5 0.5 1.4 NO Strench, Sec 4 F1, Sys #21 S

1 0.5 0.5 1.4 NO Strench, Sec 4 F1, Sys #22 S

0 0.5

-0.5

-1.4 NO Mean

-0.3 Median

-1.4 Minimum

-1.4 Maximum 4.2 Std Dev (1s)

1.9 NOTES

1 Instrument Efficiency = Instrument 4-pi efficiency for alpha 2

Sample Type: S = Systematic B = Biased 3

Daily 10-minute background count in counts per minute South Trench Section 4 - Floor Survey Unit 1 - Alpha Smear Measurement Results SU

Description:

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

MARSSIM Class:

SU DCGLw (dpm/100cm2) 3030E/43-10-1 217611 PR232046 0.269 100 1

1000 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

53 51.0 2.0 7.4 NO Strench, Sec 4 F1, Sys #2 S

56 51.0 5.0 18.6 NO Strench, Sec 4 F1, Sys #3 S

57 51.0 6.0 22.3 NO Strench, Sec 4 F1, Sys #4 S

56 51.0 5.0 18.6 NO Strench, Sec 4 F1, Sys #5 S

50 51.0

-1.0

-3.7 NO Strench, Sec 4 F1, Sys #6 S

56 51.0 5.0 18.6 NO Strench, Sec 4 F1, Sys #7 S

55 51.0 4.0 14.9 NO Strench, Sec 4 F1, Sys #8 S

43 51.0

-8.0

-29.7 NO Strench, Sec 4 F1, Sys #9 S

58 51.0 7.0 26.0 NO Strench, Sec 4 F1, Sys #10 S

40 51.0

-11.0

-40.9 NO Strench, Sec 4 F1, Sys #11 S

55 51.0 4.0 14.9 NO Strench, Sec 4 F1, Sys #12 S

55 51.0 4.0 14.9 NO Strench, Sec 4 F1, Sys #13 S

46 51.0

-5.0

-18.6 NO Strench, Sec 4 F1, Sys #14 S

38 51.0

-13.0

-48.3 NO Strench, Sec 4 F1, Sys #15 S

50 51.0

-1.0

-3.7 NO Strench, Sec 4 F1, Sys #16 S

59 51.0 8.0 29.7 NO Strench, Sec 4 F1, Sys #17 S

60 51.0 9.0 33.4 NO Strench, Sec 4 F1, Sys #18 S

50 51.0

-1.0

-3.7 NO Strench, Sec 4 F1, Sys #19 S

55 51.0 4.0 14.9 NO Strench, Sec 4 F1, Sys #20 S

58 51.0 7.0 26.0 NO Strench, Sec 4 F1, Sys #21 S

51 51.0 0.0 0.0 NO Strench, Sec 4 F1, Sys #22 S

57 51.0 6.0 22.3 NO Mean 6.1 Median 14.9 Minimum

-48.3 Maximum 33.4 Std Dev (1s) 22.7 NOTES:

1 Instrument Efficiency = Instrument 4-pi efficiency for beta 2

Sample Type: S = Systematic B = Biased 3

Daily 10-minute background count in counts per minute South Trench Section 4 - Floor Survey Unit 1 - Beta Smear Measurement Results SU

Description:

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

MARSSIM Class:

SU DCGLw (dpm/100cm2) 3030E/43-10-1 217611 PR232046 0.356 100 1

1000 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

0 0.5

-0.5

-1.4 NO Strench, Sec 4 F2, Sys #2 S

0 0.5

-0.5

-1.4 NO Strench, Sec 4 F2, Sys #3 S

0 0.5

-0.5

-1.4 NO Strench, Sec 4 F2, Sys #4 S

0 0.5

-0.5

-1.4 NO Strench, Sec 4 F2, Sys #5 S

1 0.5 0.5 1.4 NO Strench, Sec 4 F2, Sys #6 S

0 0.5

-0.5

-1.4 NO Strench, Sec 4 F2, Sys #7 S

1 0.5 0.5 1.4 NO Strench, Sec 4 F2, Sys #8 S

1 0.5 0.5 1.4 NO Strench, Sec 4 F2, Sys #9 S

1 0.5 0.5 1.4 NO Strench, Sec 4 F2, Sys #10 S

0 0.5

-0.5

-1.4 NO Strench, Sec 4 F2, Sys #11 S

0 0.5

-0.5

-1.4 NO Strench, Sec 4 F2, Sys #12 S

0 0.5

-0.5

-1.4 NO Strench, Sec 4 F2, Sys #13 S

0 0.5

-0.5

-1.4 NO Strench, Sec 4 F2, Sys #14 S

0 0.5

-0.5

-1.4 NO Strench, Sec 4 F2, Sys #15 S

0 0.5

-0.5

-1.4 NO Strench, Sec 4 F2, Sys #16 S

0 0.5

-0.5

-1.4 NO Strench, Sec 4 F2, Sys #17 S

0 0.5

-0.5

-1.4 NO Mean

-0.7 Median

-1.4 Minimum

-1.4 Maximum 1.4 Std Dev (1s)

1.2 NOTES

1 Instrument Efficiency = Instrument 4-pi efficiency for alpha 2

Sample Type: S = Systematic B = Biased 3

Daily 10-minute background count in counts per minute South Trench Section 4 - Floor Survey Unit 2 - Alpha Smear Measurement Results SU

Description:

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

MARSSIM Class:

SU DCGLw (dpm/100cm2) 3030E/43-10-1 217611 PR232046 0.269 100 1

1000 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

42 51.0

-9.0

-33.4 NO Strench, Sec 4 F2, Sys #2 S

47 51.0

-4.0

-14.9 NO Strench, Sec 4 F2, Sys #3 S

60 51.0 9.0 33.4 NO Strench, Sec 4 F2, Sys #4 S

45 51.0

-6.0

-22.3 NO Strench, Sec 4 F2, Sys #5 S

57 51.0 6.0 22.3 NO Strench, Sec 4 F2, Sys #6 S

47 51.0

-4.0

-14.9 NO Strench, Sec 4 F2, Sys #7 S

45 51.0

-6.0

-22.3 NO Strench, Sec 4 F2, Sys #8 S

51 51.0 0.0 0.0 NO Strench, Sec 4 F2, Sys #9 S

53 51.0 2.0 7.4 NO Strench, Sec 4 F2, Sys #10 S

50 51.0

-1.0

-3.7 NO Strench, Sec 4 F2, Sys #11 S

54 51.0 3.0 11.1 NO Strench, Sec 4 F2, Sys #12 S

42 51.0

-9.0

-33.4 NO Strench, Sec 4 F2, Sys #13 S

46 51.0

-5.0

-18.6 NO Strench, Sec 4 F2, Sys #14 S

42 51.0

-9.0

-33.4 NO Strench, Sec 4 F2, Sys #15 S

45 51.0

-6.0

-22.3 NO Strench, Sec 4 F2, Sys #16 S

40 51.0

-11.0

-40.9 NO Strench, Sec 4 F2, Sys #17 S

49 51.0

-2.0

-7.4 NO Mean

-11.4 Median

-14.9 Minimum

-40.9 Maximum 33.4 Std Dev (1s) 20.9 NOTES:

1 Instrument Efficiency = Instrument 4-pi efficiency for beta 2

Sample Type: S = Systematic B = Biased 3

Daily 10-minute background count in counts per minute South Trench Section 4 - Floor Survey Unit 2 - Beta Smear Measurement Results SU

Description:

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

MARSSIM Class:

SU DCGLw (dpm/100cm2) 3030E/43-10-1 217611 PR232046 0.356 100 1

1000 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

0 0.1

-0.1

-0.3 NO Strench, Sec 4 W1, Sys #2 S

0 0.1

-0.1

-0.3 NO Strench, Sec 4 W1, Sys #3 S

0 0.1

-0.1

-0.3 NO Strench, Sec 4 W1, Sys #4 S

0 0.1

-0.1

-0.3 NO Strench, Sec 4 W1, Sys #5 S

0 0.1

-0.1

-0.3 NO Strench, Sec 4 W1, Sys #6 S

0 0.1

-0.1

-0.3 NO Strench, Sec 4 W1, Sys #7 S

2 0.1 1.9 5.3 NO Strench, Sec 4 W1, Sys #8 S

1 0.1 0.9 2.5 NO Strench, Sec 4 W1, Sys #9 S

0 0.1

-0.1

-0.3 NO Strench, Sec 4 W1, Sys #10 S

0 0.1

-0.1

-0.3 NO Strench, Sec 4 W1, Sys #11 S

0 0.1

-0.1

-0.3 NO Strench, Sec 4 W1, Sys #12 S

1 0.1 0.9 2.5 NO Strench, Sec 4 W1, Sys #13 S

0 0.1

-0.1

-0.3 NO Strench, Sec 4 W1, Sys #14 S

0 0.1

-0.1

-0.3 NO Strench, Sec 4 W1, Sys #15 S

0 0.1

-0.1

-0.3 NO Strench, Sec 4 W1, Sys #16 S

1 0.1 0.9 2.5 NO Strench, Sec 4 W1, Sys #17 S

0 0.1

-0.1

-0.3 NO Strench, Sec 4 W1, Sys #18 S

0 0.1

-0.1

-0.3 NO Strench, Sec 4 W1, Sys #19 S

0 0.1

-0.1

-0.3 NO Strench, Sec 4 W1, Sys #20 S

1 0.1 0.9 2.5 NO Strench, Sec 4 W1, Sys #21 S

0 0.1

-0.1

-0.3 NO Strench, Sec 4 W1, Sys #22 S

0 0.1

-0.1

-0.3 NO Mean 0.5 Median

-0.3 Minimum

-0.3 Maximum 5.3 Std Dev (1s) 1.5 Strench, Sec 4 Wall 2 (North) top, Grid #129 B

0 0.1

-0.1

-0.3 NO Strench, Sec 4 Wall 2 (North) bottom, Grid #129 B

0 0.1

-0.1

-0.3 NO Strench, Sec 4 Wall 1 (South) bottom, Grid #123 B

0 0.1

-0.1

-0.3 NO Mean

-0.3 Median

-0.3 Minimum

-0.3 Maximum

-0.3 Std Dev (1s)

0.0 NOTES

1 Instrument Efficiency = Instrument 4-pi efficiency for alpha 2

Sample Type: S = Systematic B = Biased 3

Daily 10-minute background count in counts per minute South Trench Section 4 - Wall Survey Unit 1 - Alpha Smear Measurement Results SU

Description:

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

MARSSIM Class:

SU DCGLw (dpm/100cm2) 3030E/43-10-1 217611 PR232046 0.269 100 1

1000 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

43 50.4

-7.4

-27.5 NO Strench, Sec 4 W1, Sys #2 S

45 50.4

-5.4

-20.1 NO Strench, Sec 4 W1, Sys #3 S

47 50.4

-3.4

-12.6 NO Strench, Sec 4 W1, Sys #4 S

53 50.4 2.6 9.7 NO Strench, Sec 4 W1, Sys #5 S

56 50.4 5.6 20.8 NO Strench, Sec 4 W1, Sys #6 S

44 50.4

-6.4

-23.8 NO Strench, Sec 4 W1, Sys #7 S

55 50.4 4.6 17.1 NO Strench, Sec 4 W1, Sys #8 S

48 50.4

-2.4

-8.9 NO Strench, Sec 4 W1, Sys #9 S

65 50.4 14.6 54.2 NO Strench, Sec 4 W1, Sys #10 S

48 50.4

-2.4

-8.9 NO Strench, Sec 4 W1, Sys #11 S

52 50.4 1.6 5.9 NO Strench, Sec 4 W1, Sys #12 S

55 50.4 4.6 17.1 NO Strench, Sec 4 W1, Sys #13 S

56 50.4 5.6 20.8 NO Strench, Sec 4 W1, Sys #14 S

55 50.4 4.6 17.1 NO Strench, Sec 4 W1, Sys #15 S

47 50.4

-3.4

-12.6 NO Strench, Sec 4 W1, Sys #16 S

40 50.4

-10.4

-38.6 NO Strench, Sec 4 W1, Sys #17 S

45 50.4

-5.4

-20.1 NO Strench, Sec 4 W1, Sys #18 S

58 50.4 7.6 28.2 NO Strench, Sec 4 W1, Sys #19 S

43 50.4

-7.4

-27.5 NO Strench, Sec 4 W1, Sys #20 S

62 50.4 11.6 43.1 NO Strench, Sec 4 W1, Sys #21 S

45 50.4

-5.4

-20.1 NO Strench, Sec 4 W1, Sys #22 S

51 50.4 0.6 2.2 NO Mean 0.7 Median

-3.3 Minimum

-38.6 Maximum 54.2 Std Dev (1s) 24.6 Strench, Sec 4 Wall 2 (North) top, Grid #129 B

53 53.2

-0.2

-0.7 NO Strench, Sec 4 Wall 2 (North) bottom, Grid #129 B

55 53.2 1.8 6.7 NO Strench, Sec 4 Wall 1 (South) bottom, Grid #123 B

37 53.2

-16.2

-60.2 NO Mean

-18.1 Median

-0.7 Minimum

-60.2 Maximum 6.7 Std Dev (1s) 36.7 NOTES:

1 Instrument Efficiency = Instrument 4-pi efficiency for beta 2

Sample Type: S = Systematic B = Biased 3

Daily 10-minute background count in counts per minute South Trench Section 4 - Wall Survey Unit 1 - Beta Smear Measurement Results SU

Description:

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

MARSSIM Class:

SU DCGLw (dpm/100cm2) 3030E/43-10-1 217611 PR232046 0.356 100 1

1000 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

1 0.1 0.9 2.5 NO Strench, Sec 4 W2, Sys #2 S

0 0.1

-0.1

-0.3 NO Strench, Sec 4 W2, Sys #3 S

1 0.1 0.9 2.5 NO Strench, Sec 4 W2, Sys #4 S

2 0.1 1.9 5.3 NO Strench, Sec 4 W2, Sys #5 S

0 0.1

-0.1

-0.3 NO Strench, Sec 4 W2, Sys #6 S

0 0.1

-0.1

-0.3 NO Strench, Sec 4 W2, Sys #7 S

1 0.1 0.9 2.5 NO Strench, Sec 4 W2, Sys #8 S

1 0.1 0.9 2.5 NO Strench, Sec 4 W2, Sys #9 S

0 0.1

-0.1

-0.3 NO Strench, Sec 4 W2, Sys #10 S

2 0.1 1.9 5.3 NO Strench, Sec 4 W2, Sys #11 S

0 0.1

-0.1

-0.3 NO Strench, Sec 4 W2, Sys #12 S

1 0.1 0.9 2.5 NO Strench, Sec 4 W2, Sys #13 S

0 0.1

-0.1

-0.3 NO Strench, Sec 4 W2, Sys #14 S

0 0.1

-0.1

-0.3 NO Strench, Sec 4 W2, Sys #15 S

0 0.1

-0.1

-0.3 NO Strench, Sec 4 W2, Sys #16 S

1 0.1 0.9 2.5 NO Strench, Sec 4 W2, Sys #17 S

0 0.1

-0.1

-0.3 NO Strench, Sec 4 W2, Sys #18 S

1 0.1 0.9 2.5 NO Strench, Sec 4 W2, Sys #19 S

0 0.1

-0.1

-0.3 NO Strench, Sec 4 W2, Sys #20 S

0 0.1

-0.1

-0.3 NO Strench, Sec 4 W2, Sys #21 S

0 0.1

-0.1

-0.3 NO Strench, Sec 4 W2, Sys #22 S

1 0.1 0.9 2.5 NO Mean 1.3 Median

-0.3 Minimum

-0.3 Maximum 5.3 Std Dev (1s) 1.9 Strench, Sec 4 Wall 2 (North) bottom, Grid #96 B

0 0.1

-0.1

-0.3 NO Strench, Sec 4 Wall 1 (South) bottom, Grid #94 B

1 0.1 0.9 2.5 NO Strench, Sec 4 Wall 1 (South) bottom, Grid #95 B

0 0.1

-0.1

-0.3 NO Mean 0.7 Median

-0.3 Minimum

-0.3 Maximum 2.5 Std Dev (1s)

1.6 NOTES

1 Instrument Efficiency = Instrument 4-pi efficiency for alpha 2

Sample Type: S = Systematic B = Biased 3

Daily 10-minute background count in counts per minute South Trench Section 4 - Wall Survey Unit 2 - Alpha Smear Measurement Results SU

Description:

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

MARSSIM Class:

SU DCGLw (dpm/100cm2) 3030E/43-10-1 217611 PR232046 0.269 100 1

1000 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

53 51.5 1.5 5.6 NO Strench, Sec 4 W2, Sys #2 S

54 51.5 2.5 9.3 NO Strench, Sec 4 W2, Sys #3 S

52 51.5 0.5 1.9 NO Strench, Sec 4 W2, Sys #4 S

51 51.5

-0.5

-1.9 NO Strench, Sec 4 W2, Sys #5 S

46 51.5

-5.5

-20.4 NO Strench, Sec 4 W2, Sys #6 S

55 51.5 3.5 13.0 NO Strench, Sec 4 W2, Sys #7 S

48 51.5

-3.5

-13.0 NO Strench, Sec 4 W2, Sys #8 S

41 51.5

-10.5

-39.0 NO Strench, Sec 4 W2, Sys #9 S

47 51.5

-4.5

-16.7 NO Strench, Sec 4 W2, Sys #10 S

43 51.5

-8.5

-31.6 NO Strench, Sec 4 W2, Sys #11 S

39 51.5

-12.5

-46.4 NO Strench, Sec 4 W2, Sys #12 S

52 51.5 0.5 1.9 NO Strench, Sec 4 W2, Sys #13 S

61 51.5 9.5 35.3 NO Strench, Sec 4 W2, Sys #14 S

51 51.5

-0.5

-1.9 NO Strench, Sec 4 W2, Sys #15 S

64 51.5 12.5 46.4 NO Strench, Sec 4 W2, Sys #16 S

55 51.5 3.5 13.0 NO Strench, Sec 4 W2, Sys #17 S

56 51.5 4.5 16.7 NO Strench, Sec 4 W2, Sys #18 S

60 51.5 8.5 31.6 NO Strench, Sec 4 W2, Sys #19 S

54 51.5 2.5 9.3 NO Strench, Sec 4 W2, Sys #20 S

50 51.5

-1.5

-5.6 NO Strench, Sec 4 W2, Sys #21 S

49 51.5

-2.5

-9.3 NO Strench, Sec 4 W2, Sys #22 S

50 51.5

-1.5

-5.6 NO Mean

-0.3 Median 0.0 Minimum

-46.4 Maximum 46.4 Std Dev (1s) 22.8 Strench, Sec 4 Wall 2 (North) bottom, Grid #96 B

49 53.2

-4.2

-15.6 NO Strench, Sec 4 Wall 1 (South) bottom, Grid #94 B

47 53.2

-6.2

-23.0 NO Strench, Sec 4 Wall 1 (South) bottom, Grid #95 B

42 53.2

-11.2

-41.6 NO Mean

-26.8 Median

-23.0 Minimum

-41.6 Maximum

-15.6 Std Dev (1s) 13.4 NOTES:

1 Instrument Efficiency = Instrument 4-pi efficiency for beta 2

Sample Type: S = Systematic B = Biased 3

Daily 10-minute background count in counts per minute South Trench Section 4 - Wall Survey Unit 2 - Beta Smear Measurement Results SU

Description:

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

MARSSIM Class:

SU DCGLw (dpm/100cm2) 3030E/43-10-1 217611 PR232046 0.356 100 1

1000 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

1 0.1 0.9 2.5 NO Strench, Sec 4 W3, Sys #2 S

1 0.1 0.9 2.5 NO Strench, Sec 4 W3, Sys #3 S

0 0.1

-0.1

-0.3 NO Strench, Sec 4 W3, Sys #4 S

1 0.1 0.9 2.5 NO Strench, Sec 4 W3, Sys #5 S

0 0.1

-0.1

-0.3 NO Strench, Sec 4 W3, Sys #6 S

0 0.1

-0.1

-0.3 NO Strench, Sec 4 W3, Sys #7 S

1 0.1 0.9 2.5 NO Strench, Sec 4 W3, Sys #8 S

0 0.1

-0.1

-0.3 NO Strench, Sec 4 W3, Sys #9 S

0 0.1

-0.1

-0.3 NO Strench, Sec 4 W3, Sys #10 S

2 0.1 1.9 5.3 NO Strench, Sec 4 W3, Sys #11 S

0 0.1

-0.1

-0.3 NO Strench, Sec 4 W3, Sys #12 S

0 0.1

-0.1

-0.3 NO Strench, Sec 4 W3, Sys #13 S

0 0.1

-0.1

-0.3 NO Strench, Sec 4 W3, Sys #14 S

2 0.1 1.9 5.3 NO Strench, Sec 4 W3, Sys #15 S

1 0.1 0.9 2.5 NO Strench, Sec 4 W3, Sys #16 S

0 0.1

-0.1

-0.3 NO Strench, Sec 4 W3, Sys #17 S

0 0.1

-0.1

-0.3 NO Strench, Sec 4 W3, Sys #18 S

0 0.1

-0.1

-0.3 NO Strench, Sec 4 W3, Sys #19 S

0 0.1

-0.1

-0.3 NO Strench, Sec 4 W3, Sys #20 S

0 0.1

-0.1

-0.3 NO Strench, Sec 4 W3, Sys #21 S

1 0.1 0.9 2.5 NO Strench, Sec 4 W3, Sys #22 S

1 0.1 0.9 2.5 NO Mean 1.1 Median

-0.3 Minimum

-0.3 Maximum 5.3 Std Dev (1s) 1.9 Strench, Sec 4 Wall 2 (North) bottom, Grid #3 B

0 0.1

-0.1

-0.3 NO Strench, Sec 4 Wall 2 (North) top, Grid #12 B

0 0.1

-0.1

-0.3 NO Strench, Sec 4 Wall 2 (North) bottom, Grid #12 B

0 0.1

-0.1

-0.3 NO Strench, Sec 4 Wall 2(North) bottom, Grid #20 B

1 0.1 0.9 2.5 NO Strench, Sec 4 Wall 2 (North) top, Grid #23 B

0 0.1

-0.1

-0.3 NO Strench, Sec 4 Wall 2 (North) top, Grid #28 B

0 0.1

-0.1

-0.3 NO Strench, Sec 4 Wall 2 (North) bottom, Grid #39 B

0 0.1

-0.1

-0.3 NO Strench, Sec 4 Wall 2 (North) top, Grid #53 B

0 0.1

-0.1

-0.3 NO Strench, Sec 4 Wall 2 (North) top, Grid #56 B

0 0.1

-0.1

-0.3 NO Strench, Sec 4 Wall 1 (South) top, Grid #2 B

0 0.1

-0.1

-0.3 NO Strench, Sec 4 Wall 1 (South) top, Grid #10 B

2 0.1 1.9 5.3 NO Strench, Sec 4 Wall 1 (South) top, Grid #19 B

0 0.1

-0.1

-0.3 NO Strench, Sec 4 Wall 1 (South) top, Grid #32 B

0 0.1

-0.1

-0.3 NO Strench, Sec 4 Wall 1 (South) top, Grid #61 B

1 0.1 0.9 2.5 NO Mean 0.5 Median

-0.3 Minimum

-0.3 Maximum 5.3 Std Dev (1s)

1.7 NOTES

1 Instrument Efficiency = Instrument 4-pi efficiency for alpha 2

Sample Type: S = Systematic B = Biased 3

Daily 10-minute background count in counts per minute South Trench Section 4 - Wall Survey Unit 3 - Alpha Smear Measurement Results SU

Description:

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

MARSSIM Class:

SU DCGLw (dpm/100cm2) 3030E/43-10-1 217611 PR232046 0.269 100 1

1000 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

60 51.5 8.5 31.6 NO Strench, Sec 4 W3, Sys #2 S

55 51.5 3.5 13.0 NO Strench, Sec 4 W3, Sys #3 S

50 51.5

-1.5

-5.6 NO Strench, Sec 4 W3, Sys #4 S

39 51.5

-12.5

-46.4 NO Strench, Sec 4 W3, Sys #5 S

50 51.5

-1.5

-5.6 NO Strench, Sec 4 W3, Sys #6 S

43 51.5

-8.5

-31.6 NO Strench, Sec 4 W3, Sys #7 S

52 51.5 0.5 1.9 NO Strench, Sec 4 W3, Sys #8 S

50 51.5

-1.5

-5.6 NO Strench, Sec 4 W3, Sys #9 S

37 51.5

-14.5

-53.9 NO Strench, Sec 4 W3, Sys #10 S

52 51.5 0.5 1.9 NO Strench, Sec 4 W3, Sys #11 S

39 51.5

-12.5

-46.4 NO Strench, Sec 4 W3, Sys #12 S

38 51.5

-13.5

-50.2 NO Strench, Sec 4 W3, Sys #13 S

57 51.5 5.5 20.4 NO Strench, Sec 4 W3, Sys #14 S

55 51.5 3.5 13.0 NO Strench, Sec 4 W3, Sys #15 S

40 51.5

-11.5

-42.7 NO Strench, Sec 4 W3, Sys #16 S

43 51.5

-8.5

-31.6 NO Strench, Sec 4 W3, Sys #17 S

57 51.5 5.5 20.4 NO Strench, Sec 4 W3, Sys #18 S

42 51.5

-9.5

-35.3 NO Strench, Sec 4 W3, Sys #19 S

60 51.5 8.5 31.6 NO Strench, Sec 4 W3, Sys #20 S

48 51.5

-3.5

-13.0 NO Strench, Sec 4 W3, Sys #21 S

47 51.5

-4.5

-16.7 NO Strench, Sec 4 W3, Sys #22 S

49 51.5

-2.5

-9.3 NO Mean

-11.8 Median

-7.4 Minimum

-53.9 Maximum 31.6 Std Dev (1s) 27.2 Strench, Sec 4 Wall 2 (North) bottom, Grid #3 B

52 51.5 0.5 1.9 NO Strench, Sec 4 Wall 2 (North) top, Grid #12 B

49 51.5

-2.5

-9.3 NO Strench, Sec 4 Wall 2 (North) bottom, Grid #12 B

45 51.5

-6.5

-24.2 NO Strench, Sec 4 Wall 2(North) bottom, Grid #20 B

56 51.5 4.5 16.7 NO Strench, Sec 4 Wall 2 (North) top, Grid #23 B

59 51.5 7.5 27.9 NO Strench, Sec 4 Wall 2 (North) top, Grid #28 B

54 51.5 2.5 9.3 NO Strench, Sec 4 Wall 2 (North) bottom, Grid #39 B

52 51.5 0.5 1.9 NO Strench, Sec 4 Wall 2 (North) top, Grid #53 B

43 51.5

-8.5

-31.6 NO Strench, Sec 4 Wall 2 (North) top, Grid #56 B

47 51.5

-4.5

-16.7 NO Strench, Sec 4 Wall 1 (South) top, Grid #2 B

42 51.5

-9.5

-35.3 NO Strench, Sec 4 Wall 1 (South) top, Grid #10 B

49 51.5

-2.5

-9.3 NO Strench, Sec 4 Wall 1 (South) top, Grid #19 B

58 51.5 6.5 24.2 NO Strench, Sec 4 Wall 1 (South) top, Grid #32 B

56 51.5 4.5 16.7 NO Strench, Sec 4 Wall 1 (South) top, Grid #61 B

50 51.5

-1.5

-5.6 NO Mean

-2.4 Median

-1.9 Minimum

-35.3 Maximum 27.9 Std Dev (1s) 20.1 NOTES:

1 Instrument Efficiency = Instrument 4-pi efficiency for beta 2

Sample Type: S = Systematic B = Biased 3

Daily 10-minute background count in counts per minute South Trench Section 4 - Wall Survey Unit 3 - Beta Smear Measurement Results SU

Description:

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

MARSSIM Class:

SU DCGLw (dpm/100cm2) 3030E/43-10-1 217611 PR232046 0.356 100 1

1000 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 0.1 0.9 2.5 NO ST,Sec5,FL, Sys#2 S

0 0.1

-0.1

-0.3 NO ST,Sec5,FL, Sys#3 S

0 0.1

-0.1

-0.3 NO ST,Sec5,FL, Sys#4 S

1 0.1 0.9 2.5 NO ST,Sec5,FL, Sys#5 S

1 0.1 0.9 2.5 NO ST,Sec5,FL, Sys#6 S

0 0.1

-0.1

-0.3 NO ST,Sec5,FL, Sys#7 S

0 0.1

-0.1

-0.3 NO ST,Sec5,FL, Sys#8 S

1 0.1 0.9 2.5 NO ST,Sec5,FL, Sys#9 S

2 0.1 1.9 5.3 NO ST,Sec5,FL, Sys#10 S

3 0.1 2.9 8.1 NO ST,Sec5,FL, Sys#11 S

0 0.1

-0.1

-0.3 NO ST,Sec5,FL, Sys#12 S

1 0.1 0.9 2.5 NO ST,Sec5,FL, Sys#13 S

0 0.1

-0.1

-0.3 NO ST,Sec5,FL, Sys#14 S

0 0.1

-0.1

-0.3 NO ST,Sec5,FL, Sys#15 S

0 0.1

-0.1

-0.3 NO ST,Sec5,FL, Sys#16 S

0 0.1

-0.1

-0.3 NO ST,Sec5,FL, Sys#17 S

1 0.1 0.9 2.5 NO ST,Sec5,FL, Sys#18 S

0 0.1

-0.1

-0.3 NO ST,Sec5,FL, Sys#19 S

2 0.1 1.9 5.3 NO ST,Sec5,FL, Sys#20 S

1 0.1 0.9 2.5 NO ST,Sec5,FL, Sys#21 S

0 0.1

-0.1

-0.3 NO ST,Sec5,FL, Sys#22 S

0 0.1

-0.1

-0.3 NO Mean 1.5 Median

-0.3 Minimum

-0.3 Maximum 8.1 Std Dev (1s) 2.4 ST,Sec5,FL,Bias Grid#12 B

0 0.4

-0.4

-1.1 NO ST,Sec5,FL,Bias Grid#18 B

1 0.4 0.6 1.7 NO ST,Sec5,FL,Bias Grid#19 B

0 0.4

-0.4

-1.1 NO ST,Sec5,FL,Bias Grid#46 B

0 0.4

-0.4

-1.1 NO ST,Sec5,FL,Bias Grid#50 B

0 0.4

-0.4

-1.1 NO ST,Sec5,FL,Bias Grid#52 B

1 0.4 0.6 1.7 NO ST,Sec5,FL,Bias Grid#53 B

0 0.4

-0.4

-1.1 NO ST,Sec5,FL,Bias Grid#55 B

1 0.4 0.6 1.7 NO Mean

-0.1 Median

-1.1 Minimum

-1.1 Maximum 1.7 Std Dev (1s)

1.5 NOTES

1 Instrument Efficiency = Instrument 4-pi efficiency for beta 2

Sample Type: S = Systematic B = Biased 3

Daily 10-minute background count in counts per minute South Trench Section 5 - Floor Survey Unit - Alpha Smear Measurement Results SU

Description:

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

MARSSIM Class:

SU DCGLw (dpm/100cm2) 3030E/43-10-1 217611 PR232046 0.269 100 1

1000 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

48 53.8

-5.8

-21.5 NO ST,Sec5,FL, Sys#2 S

49 53.8

-4.8

-17.8 NO ST,Sec5,FL, Sys#3 S

51 53.8

-2.8

-10.4 NO ST,Sec5,FL, Sys#4 S

56 53.8 2.2 8.2 NO ST,Sec5,FL, Sys#5 S

55 53.8 1.2 4.5 NO ST,Sec5,FL, Sys#6 S

46 53.8

-7.8

-29.0 NO ST,Sec5,FL, Sys#7 S

43 53.8

-10.8

-40.1 NO ST,Sec5,FL, Sys#8 S

55 53.8 1.2 4.5 NO ST,Sec5,FL, Sys#9 S

60 53.8 6.2 23.0 NO ST,Sec5,FL, Sys#10 S

54 53.8 0.2 0.7 NO ST,Sec5,FL, Sys#11 S

61 53.8 7.2 26.8 NO ST,Sec5,FL, Sys#12 S

45 53.8

-8.8

-32.7 NO ST,Sec5,FL, Sys#13 S

46 53.8

-7.8

-29.0 NO ST,Sec5,FL, Sys#14 S

47 53.8

-6.8

-25.3 NO ST,Sec5,FL, Sys#15 S

68 53.8 14.2 52.8 NO ST,Sec5,FL, Sys#16 S

65 53.8 11.2 41.6 NO ST,Sec5,FL, Sys#17 S

47 53.8

-6.8

-25.3 NO ST,Sec5,FL, Sys#18 S

58 53.8 4.2 15.6 NO ST,Sec5,FL, Sys#19 S

49 53.8

-4.8

-17.8 NO ST,Sec5,FL, Sys#20 S

45 53.8

-8.8

-32.7 NO ST,Sec5,FL, Sys#21 S

43 53.8

-10.8

-40.1 NO ST,Sec5,FL, Sys#22 S

59 53.8 5.2 19.3 NO Mean

-5.7 Median

-10.4 Minimum

-40.1 Maximum 52.8 Std Dev (1s) 27.0 ST,Sec5,FL,Bias Grid#12 B

62 51.2 10.8 40.1 NO ST,Sec5,FL,Bias Grid#18 B

56 51.2 4.8 17.8 NO ST,Sec5,FL,Bias Grid#19 B

47 51.2

-4.2

-15.6 NO ST,Sec5,FL,Bias Grid#46 B

46 51.2

-5.2

-19.3 NO ST,Sec5,FL,Bias Grid#50 B

48 51.2

-3.2

-11.9 NO ST,Sec5,FL,Bias Grid#52 B

47 51.2

-4.2

-15.6 NO ST,Sec5,FL,Bias Grid#53 B

51 51.2

-0.2

-0.7 NO ST,Sec5,FL,Bias Grid#55 B

60 51.2 8.8 32.7 NO Mean 3.4 Median

-6.3 Minimum

-19.3 Maximum 40.1 Std Dev (1s) 23.6 NOTES:

1 Instrument Efficiency = Instrument 4-pi efficiency for beta 2

Sample Type: S = Systematic B = Biased 3

Daily 10-minute background count in counts per minute South Trench Section 5 - Floor Survey Unit - Beta Smear Measurement Results SU

Description:

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

MARSSIM Class:

SU DCGLw (dpm/100cm2) 3030E/43-10-1 217611 PR232046 0.356 100 1

1000 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 0.2 0.8 2.2 NO Strench,Sec5W,Sys#2 S

0 0.2

-0.2

-0.6 NO Strench,Sec5W,Sys#3 S

0 0.2

-0.2

-0.6 NO Strench,Sec5W,Sys#4 S

1 0.2 0.8 2.2 NO Strench,Sec5W,Sys#5 S

0 0.2

-0.2

-0.6 NO Strench,Sec5W,Sys#6 S

0 0.2

-0.2

-0.6 NO Strench,Sec5W,Sys#7 S

0 0.2

-0.2

-0.6 NO Strench,Sec5W,Sys#8 S

0 0.2

-0.2

-0.6 NO Strench,Sec5W,Sys#9 S

0 0.2

-0.2

-0.6 NO Strench,Sec5W,Sys#10 S

0 0.2

-0.2

-0.6 NO Strench,Sec5W,Sys#11 S

0 0.2

-0.2

-0.6 NO Strench,Sec5W,Sys#12 S

0 0.2

-0.2

-0.6 NO Strench,Sec5W,Sys#13 S

0 0.2

-0.2

-0.6 NO Strench,Sec5W,Sys#14 S

0 0.2

-0.2

-0.6 NO Strench,Sec5W,Sys#15 S

1 0.2 0.8 2.2 NO Strench,Sec5W,Sys#16 S

0 0.2

-0.2

-0.6 NO Strench,Sec5W,Sys#17 S

0 0.2

-0.2

-0.6 NO Strench,Sec5W,Sys#18 S

2 0.2 1.8 5.1 NO Strench,Sec5W,Sys#19 S

0 0.2

-0.2

-0.6 NO Strench,Sec5W,Sys#20 S

1 0.2 0.8 2.2 NO Strench,Sec5W,Sys#21 S

0 0.2

-0.2

-0.6 NO Strench,Sec5W,Sys#22 S

0 0.2

-0.2

-0.6 NO Mean 0.2 Median

-0.6 Minimum

-0.6 Maximum 5.1 Std Dev (1s) 1.5 ST,Sec5,SW,Bias#3B B

0 0.1

-0.1

-0.3 NO ST,Sec5,SW,Bias#9T B

0 0.1

-0.1

-0.3 NO ST,Sec5,SW,Bias#9B B

0 0.1

-0.1

-0.3 NO ST,Sec5,SW,Bias#15T B

0 0.1

-0.1

-0.3 NO ST,Sec5,SW,Bias#28T B

0 0.1

-0.1

-0.3 NO ST,Sec5,SW,Bias#28B B

0 0.1

-0.1

-0.3 NO ST,Sec5,NW,Bias#12T B

0 0.1

-0.1

-0.3 NO ST,Sec5,NW,Bias#12B B

0 0.1

-0.1

-0.3 NO ST,Sec5,NW,Bias#17B B

0 0.1

-0.1

-0.3 NO ST,Sec5,NW,Bias#31T B

0 0.1

-0.1

-0.3 NO ST,Sec5,NW,Bias#32B B

0 0.1

-0.1

-0.3 NO ST,Sec5,NW,Bias#40T B

0 0.1

-0.1

-0.3 NO Mean

-0.3 Median

-0.3 Minimum

-0.3 Maximum

-0.3 Std Dev (1s)

0.0 NOTES

1 Instrument Efficiency = Instrument 4-pi efficiency for alpha 2

Sample Type: S = Systematic B = Biased 3

Daily 10-minute background count in counts per minute South Trench Section 5 - Wall Survey Unit - Alpha Smear Measurement Results SU

Description:

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

MARSSIM Class:

SU DCGLw (dpm/100cm2) 3030E/43-10-1 217611 PR232046 0.269 100 1

1000 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

52 48.2 3.8 14.1 NO Strench,Sec5W,Sys#2 S

42 48.2

-6.2

-23.0 NO Strench,Sec5W,Sys#3 S

50 48.2 1.8 6.7 NO Strench,Sec5W,Sys#4 S

49 48.2 0.8 3.0 NO Strench,Sec5W,Sys#5 S

48 48.2

-0.2

-0.7 NO Strench,Sec5W,Sys#6 S

38 48.2

-10.2

-37.9 NO Strench,Sec5W,Sys#7 S

62 48.2 13.8 51.3 NO Strench,Sec5W,Sys#8 S

46 48.2

-2.2

-8.2 NO Strench,Sec5W,Sys#9 S

52 48.2 3.8 14.1 NO Strench,Sec5W,Sys#10 S

51 48.2 2.8 10.4 NO Strench,Sec5W,Sys#11 S

55 48.2 6.8 25.3 NO Strench,Sec5W,Sys#12 S

49 48.2 0.8 3.0 NO Strench,Sec5W,Sys#13 S

48 48.2

-0.2

-0.7 NO Strench,Sec5W,Sys#14 S

47 48.2

-1.2

-4.5 NO Strench,Sec5W,Sys#15 S

51 48.2 2.8 10.4 NO Strench,Sec5W,Sys#16 S

58 48.2 9.8 36.4 NO Strench,Sec5W,Sys#17 S

56 48.2 7.8 29.0 NO Strench,Sec5W,Sys#18 S

50 48.2 1.8 6.7 NO Strench,Sec5W,Sys#19 S

53 48.2 4.8 17.8 NO Strench,Sec5W,Sys#20 S

44 48.2

-4.2

-15.6 NO Strench,Sec5W,Sys#21 S

56 48.2 7.8 29.0 NO Strench,Sec5W,Sys#22 S

51 48.2 2.8 10.4 NO Mean 8.0 Median 6.7 Minimum

-37.9 Maximum 51.3 Std Dev (1s) 19.9 ST,Sec5,SW,Bias#3B B

59 53.8 5.2 19.3 NO ST,Sec5,SW,Bias#9T B

47 53.8

-6.8

-25.3 NO ST,Sec5,SW,Bias#9B B

49 53.8

-4.8

-17.8 NO ST,Sec5,SW,Bias#15T B

61 53.8 7.2 26.8 NO ST,Sec5,SW,Bias#28T B

51 53.8

-2.8

-10.4 NO ST,Sec5,SW,Bias#28B B

41 53.8

-12.8

-47.6 NO ST,Sec5,NW,Bias#12T B

58 53.8 4.2 15.6 NO ST,Sec5,NW,Bias#12B B

55 53.8 1.2 4.5 NO ST,Sec5,NW,Bias#17B B

54 53.8 0.2 0.7 NO ST,Sec5,NW,Bias#31T B

48 53.8

-5.8

-21.5 NO ST,Sec5,NW,Bias#32B B

44 53.8

-9.8

-36.4 NO ST,Sec5,NW,Bias#40T B

52 53.8

-1.8

-6.7 NO Mean

-8.2 Median

-8.5 Minimum

-47.6 Maximum 26.8 Std Dev (1s) 22.8 NOTES:

1 Instrument Efficiency = Instrument 4-pi efficiency for beta 2

Sample Type: S = Systematic B = Biased 3

Daily 10-minute background count in counts per minute South Trench Section 5 - Wall Survey Unit - Beta Smear Measurement Results SU

Description:

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

MARSSIM Class:

SU DCGLw (dpm/100cm2) 3030E/43-10-1 217611 PR232046 0.356 100 1

1000 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, Grid #1 S

0 0.1

-0.1

-0.3 NO LateralTrench, Section 6F-1, Sys #2, Grid #2 S

1 0.1 0.9 2.5 NO LateralTrench, Section 6F-1, Sys #3, Grid #4 S

0 0.1

-0.1

-0.3 NO LateralTrench, Section 6F-1, Sys #4, Grid #5 S

2 0.1 1.9 5.3 NO LateralTrench, Section 6F-1, Sys #5, Grid #7 S

1 0.1 0.9 2.5 NO LateralTrench, Section 6F-1, Sys #6, Grid #8 S

0 0.1

-0.1

-0.3 NO LateralTrench, Section 6F-1, Sys #7, Grid #10 S

1 0.1 0.9 2.5 NO LateralTrench, Section 6F-1, Sys #8, Grid #11 S

0 0.1

-0.1

-0.3 NO LateralTrench, Section 6F-1, Sys #9, Grid #13 S

0 0.1

-0.1

-0.3 NO LateralTrench, Section 6F-1, Sys #10, Grid #14 S

0 0.1

-0.1

-0.3 NO LateralTrench, Section 6F-1, Sys #11, Grid #16 S

2 0.1 1.9 5.3 NO LateralTrench, Section 6F-1, Sys #12, Grid #17 S

1 0.1 0.9 2.5 NO LateralTrench, Section 6F-1, Sys #13, Grid #19 S

0 0.1

-0.1

-0.3 NO LateralTrench, Section 6F-1, Sys #14, Grid #20 S

3 0.1 2.9 8.1 NO LateralTrench, Section 6F-1, Sys #15, Grid #22 S

0 0.1

-0.1

-0.3 NO LateralTrench, Section 6F-1, Sys #16, Grid #23 S

0 0.1

-0.1

-0.3 NO LateralTrench, Section 6F-1, Sys #17, Grid #25 S

1 0.1 0.9 2.5 NO LateralTrench, Section 6F-1, Sys #18, Grid #26 S

1 0.1 0.9 2.5 NO LateralTrench, Section 6F-1, Sys #19, Grid #28 S

1 0.1 0.9 2.5 NO LateralTrench, Section 6F-1, Sys #20, Grid #29 S

0 0.1

-0.1

-0.3 NO LateralTrench, Section 6F-1, Sys #21, Grid #31 S

2 0.1 1.9 5.3 NO LateralTrench, Section 6F-1, Sys #22, Grid #32 S

0 0.1

-0.1

-0.3 NO Mean 1.8 Median 2.5 Minimum

-0.3 Maximum 8.1 Std Dev (1s) 2.5 0.4

-0.4

-1.1 NO 0.4

-0.4

-1.1 NO 0.4

-0.4

-1.1 NO 0.4

-0.4

-1.1 NO 0.4

-0.4

-1.1 NO 0.4

-0.4

-1.1 NO 0.4

-0.4

-1.1 NO 0.4

-0.4

-1.1 NO Mean

-1.1 Median

-1.1 Minimum

-1.1 Maximum

-1.1 Std Dev (1s)

0.0 NOTES

1 Instrument Efficiency = Instrument 4-pi efficiency for beta 2

Sample Type: S = Systematic B = Biased 3

Daily 10-minute background count in counts per minute Lateral Trench Section 6 - Floor Survey Unit - Alpha Smear Measurement Results SU

Description:

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

MARSSIM Class:

SU DCGLw (dpm/100cm2) 3030E/43-10-1 217611 PR232046 0.269 100 1

1000 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, Grid #1 S

51 53.8

-2.8

-10.4 NO LateralTrench, Section 6F-1, Sys #2, Grid #2 S

55 53.8 1.2 4.5 NO LateralTrench, Section 6F-1, Sys #3, Grid #4 S

48 53.8

-5.8

-21.5 NO LateralTrench, Section 6F-1, Sys #4, Grid #5 S

52 53.8

-1.8

-6.7 NO LateralTrench, Section 6F-1, Sys #5, Grid #7 S

60 53.8 6.2 23.0 NO LateralTrench, Section 6F-1, Sys #6, Grid #8 S

57 53.8 3.2 11.9 NO LateralTrench, Section 6F-1, Sys #7, Grid #10 S

47 53.8

-6.8

-25.3 NO LateralTrench, Section 6F-1, Sys #8, Grid #11 S

50 53.8

-3.8

-14.1 NO LateralTrench, Section 6F-1, Sys #9, Grid #13 S

53 53.8

-0.8

-3.0 NO LateralTrench, Section 6F-1, Sys #10, Grid #14 S

60 53.8 6.2 23.0 NO LateralTrench, Section 6F-1, Sys #11, Grid #16 S

49 53.8

-4.8

-17.8 NO LateralTrench, Section 6F-1, Sys #12, Grid #17 S

50 53.8

-3.8

-14.1 NO LateralTrench, Section 6F-1, Sys #13, Grid #19 S

50 53.8

-3.8

-14.1 NO LateralTrench, Section 6F-1, Sys #14, Grid #20 S

64 53.8 10.2 37.9 NO LateralTrench, Section 6F-1, Sys #15, Grid #22 S

61 53.8 7.2 26.8 NO LateralTrench, Section 6F-1, Sys #16, Grid #23 S

44 53.8

-9.8

-36.4 NO LateralTrench, Section 6F-1, Sys #17, Grid #25 S

56 53.8 2.2 8.2 NO LateralTrench, Section 6F-1, Sys #18, Grid #26 S

59 53.8 5.2 19.3 NO LateralTrench, Section 6F-1, Sys #19, Grid #28 S

63 53.8 9.2 34.2 NO LateralTrench, Section 6F-1, Sys #20, Grid #29 S

49 53.8

-4.8

-17.8 NO LateralTrench, Section 6F-1, Sys #21, Grid #31 S

67 53.8 13.2 49.0 NO LateralTrench, Section 6F-1, Sys #22, Grid #32 S

62 53.8 8.2 30.5 NO Mean 4.0 Median 4.5 Minimum

-36.4 Maximum 49.0 Std Dev (1s) 23.7 51.2

-51.2

-190.2 NO 51.2

-51.2

-190.2 NO 51.2

-51.2

-190.2 NO 51.2

-51.2

-190.2 NO 51.2

-51.2

-190.2 NO 51.2

-51.2

-190.2 NO 51.2

-51.2

-190.2 NO 51.2

-51.2

-190.2 NO Mean

-190.2 Median

-190.2 Minimum

-190.2 Maximum

-190.2 Std Dev (1s)

0.0 NOTES

1 Instrument Efficiency = Instrument 4-pi efficiency for beta 2

Sample Type: S = Systematic B = Biased 3

Daily 10-minute background count in counts per minute Lateral Trench Section 6 - Floor Survey Unit - Beta Smear Measurement Results SU

Description:

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

MARSSIM Class:

SU DCGLw (dpm/100cm2) 3030E/43-10-1 217611 PR232046 0.356 100 1

1000 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

0 0.1

-0.1

-0.3 NO North Trench, Columns 16 to 18, Floor, Sys #2 S

1 0.1 0.9 2.5 NO North Trench, Columns 16 to 18, Floor, Sys #3 S

0 0.1

-0.1

-0.3 NO North Trench, Columns 16 to 18, Floor, Sys #4 S

1 0.1 0.9 2.5 NO North Trench, Columns 16 to 18, Floor, Sys #5 S

3 0.1 2.9 8.1 NO North Trench, Columns 16 to 18, Floor, Sys #6 S

2 0.1 1.9 5.3 NO North Trench, Columns 16 to 18, Floor, Sys #7 S

0 0.1

-0.1

-0.3 NO North Trench, Columns 16 to 18, Floor, Sys #8 S

0 0.1

-0.1

-0.3 NO North Trench, Columns 16 to 18, Floor, Sys #9 S

1 0.1 0.9 2.5 NO North Trench, Columns 16 to 18, Floor, Sys #10 S

5 0.1 4.9 13.8 NO North Trench, Columns 16 to 18, Floor, Sys #11 S

0 0.1

-0.1

-0.3 NO North Trench, Columns 16 to 18, Floor, Sys #12 S

0 0.1

-0.1

-0.3 NO North Trench, Columns 16 to 18, Floor, Sys #13 S

0 0.1

-0.1

-0.3 NO North Trench, Columns 16 to 18, Floor, Sys #14 S

1 0.1 0.9 2.5 NO North Trench, Columns 16 to 18, Floor, Sys #15 S

3 0.1 2.9 8.1 NO North Trench, Columns 16 to 18, Floor, Sys #16 S

0 0.1

-0.1

-0.3 NO North Trench, Columns 16 to 18, Floor, Sys #17 S

0 0.1

-0.1

-0.3 NO North Trench, Columns 16 to 18, Floor, Sys #18 S

2 0.1 1.9 5.3 NO North Trench, Columns 16 to 18, Floor, Sys #19 S

0 0.1

-0.1

-0.3 NO North Trench, Columns 16 to 18, Floor, Sys #20 S

0 0.1

-0.1

-0.3 NO North Trench, Columns 16 to 18, Floor, Sys #21 S

0 0.1

-0.1

-0.3 NO North Trench, Columns 16 to 18, Floor, Sys #22 S

0 0.1

-0.1

-0.3 NO Mean 2.1 Median

-0.3 Minimum

-0.3 Maximum 13.8 Std Dev (1s) 3.8 0.4

-0.4

-1.1 NO 0.4

-0.4

-1.1 NO 0.4

-0.4

-1.1 NO 0.4

-0.4

-1.1 NO 0.4

-0.4

-1.1 NO 0.4

-0.4

-1.1 NO 0.4

-0.4

-1.1 NO 0.4

-0.4

-1.1 NO Mean

-1.1 Median

-1.1 Minimum

-1.1 Maximum

-1.1 Std Dev (1s)

0.0 NOTES

1 Instrument Efficiency = Instrument 4-pi efficiency for beta 2

Sample Type: S = Systematic B = Biased 3

Daily 10-minute background count in counts per minute North Trench Section 6 - Floor Survey Unit - Alpha Smear Measurement Results SU

Description:

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

MARSSIM Class:

SU DCGLw (dpm/100cm2) 3030E/43-10-1 217611 PR232046 0.269 100 1

1000 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

52 53.8

-1.8

-6.7 NO North Trench, Columns 16 to 18, Floor, Sys #2 S

60 53.8 6.2 23.0 NO North Trench, Columns 16 to 18, Floor, Sys #3 S

57 53.8 3.2 11.9 NO North Trench, Columns 16 to 18, Floor, Sys #4 S

50 53.8

-3.8

-14.1 NO North Trench, Columns 16 to 18, Floor, Sys #5 S

49 53.8

-4.8

-17.8 NO North Trench, Columns 16 to 18, Floor, Sys #6 S

56 53.8 2.2 8.2 NO North Trench, Columns 16 to 18, Floor, Sys #7 S

61 53.8 7.2 26.8 NO North Trench, Columns 16 to 18, Floor, Sys #8 S

55 53.8 1.2 4.5 NO North Trench, Columns 16 to 18, Floor, Sys #9 S

54 53.8 0.2 0.7 NO North Trench, Columns 16 to 18, Floor, Sys #10 S

50 53.8

-3.8

-14.1 NO North Trench, Columns 16 to 18, Floor, Sys #11 S

44 53.8

-9.8

-36.4 NO North Trench, Columns 16 to 18, Floor, Sys #12 S

65 53.8 11.2 41.6 NO North Trench, Columns 16 to 18, Floor, Sys #13 S

50 53.8

-3.8

-14.1 NO North Trench, Columns 16 to 18, Floor, Sys #14 S

59 53.8 5.2 19.3 NO North Trench, Columns 16 to 18, Floor, Sys #15 S

52 53.8

-1.8

-6.7 NO North Trench, Columns 16 to 18, Floor, Sys #16 S

50 53.8

-3.8

-14.1 NO North Trench, Columns 16 to 18, Floor, Sys #17 S

51 53.8

-2.8

-10.4 NO North Trench, Columns 16 to 18, Floor, Sys #18 S

53 53.8

-0.8

-3.0 NO North Trench, Columns 16 to 18, Floor, Sys #19 S

69 53.8 15.2 56.5 NO North Trench, Columns 16 to 18, Floor, Sys #20 S

66 53.8 12.2 45.3 NO North Trench, Columns 16 to 18, Floor, Sys #21 S

52 53.8

-1.8

-6.7 NO North Trench, Columns 16 to 18, Floor, Sys #22 S

47 53.8

-6.8

-25.3 NO Mean 3.1 Median

-3.0 Minimum

-36.4 Maximum 56.5 Std Dev (1s) 23.8 51.2

-51.2

-190.2 NO 51.2

-51.2

-190.2 NO 51.2

-51.2

-190.2 NO 51.2

-51.2

-190.2 NO 51.2

-51.2

-190.2 NO 51.2

-51.2

-190.2 NO 51.2

-51.2

-190.2 NO 51.2

-51.2

-190.2 NO Mean

-190.2 Median

-190.2 Minimum

-190.2 Maximum

-190.2 Std Dev (1s)

0.0 NOTES

1 Instrument Efficiency = Instrument 4-pi efficiency for beta 2

Sample Type: S = Systematic B = Biased 3

Daily 10-minute background count in counts per minute North Trench Section 6 - Floor Survey Unit - Beta Smear Measurement Results SU

Description:

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

MARSSIM Class:

SU DCGLw (dpm/100cm2) 3030E/43-10-1 217611 PR232046 0.357 100 1

1000 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, West Wall, Sys #1 S

1 0.4 0.6 1.7 NO LateralTrench, Section 6W-1, West Wall, Sys #2 S

0 0.4

-0.4

-1.1 NO LateralTrench, Section 6W-1, West Wall, Sys #3 S

0 0.4

-0.4

-1.1 NO LateralTrench, Section 6W-1, West Wall, Sys #4 S

3 0.4 2.6 7.3 NO LateralTrench, Section 6W-1, West Wall, Sys #5 S

0 0.4

-0.4

-1.1 NO LateralTrench, Section 6W-1, West Wall, Sys #6 S

0 0.4

-0.4

-1.1 NO LateralTrench, Section 6W-1, West Wall, Sys #7 S

0 0.4

-0.4

-1.1 NO LateralTrench, Section 6W-1, West Wall, Sys #8 S

0 0.4

-0.4

-1.1 NO LateralTrench, Section 6W-1, West Wall, Sys #9 S

0 0.4

-0.4

-1.1 NO LateralTrench, Section 6W-1, West Wall, Sys #10 S

0 0.4

-0.4

-1.1 NO LateralTrench, Section 6W-1, West Wall, Sys #11 S

0 0.4

-0.4

-1.1 NO LateralTrench, Section 6W-1, East Wall, Sys #12 S

2 0.4 1.6 4.5 NO LateralTrench, Section 6W-1, East Wall, Sys #13 S

0 0.4

-0.4

-1.1 NO LateralTrench, Section 6W-1, East Wall, Sys #14 S

1 0.4 0.6 1.7 NO LateralTrench, Section 6W-1, East Wall, Sys #15 S

3 0.4 2.6 7.3 NO LateralTrench, Section 6W-1, East Wall, Sys #16 S

1 0.4 0.6 1.7 NO LateralTrench, Section 6W-1, East Wall, Sys #17 S

0 0.4

-0.4

-1.1 NO LateralTrench, Section 6W-1, East Wall, Sys #18 S

0 0.4

-0.4

-1.1 NO LateralTrench, Section 6W-1, East Wall, Sys #19 S

0 0.4

-0.4

-1.1 NO LateralTrench, Section 6W-1, East Wall, Sys #20 S

2 0.4 1.6 4.5 NO LateralTrench, Section 6W-1, East Wall, Sys #21 S

0 0.4

-0.4

-1.1 NO LateralTrench, Section 6W-1, East Wall, Sys #22 S

0 0.4

-0.4

-1.1 NO Mean 0.5 Median

-1.1 Minimum

-1.1 Maximum 7.3 Std Dev (1s) 2.8 ST, Section 6W-1, Wwall, Grid 3 Bottom Biased #1 B

1 0.4 0.6 1.7 NO ST, Section 6W-1, Wwall, Grid 10 Bottom Biased #2 B

0 0.4

-0.4

-1.1 NO ST, Section 6W-1, Ewall, Grid 10 Top Biased #3 B

0 0.4

-0.4

-1.1 NO ST, Section 6W-1, Ewall, Grid 30 Bottom Biased #4 B

0 0.4

-0.4

-1.1 NO Mean

-0.4 Median

-1.1 Minimum

-1.1 Maximum 1.7 Std Dev (1s)

1.4 NOTES

1 Instrument Efficiency = Instrument 4-pi efficiency for alpha 2

Sample Type: S = Systematic B = Biased 3

Daily 10-minute background count in counts per minute Lateral Trench Section 6 - Wall Survey Unit - Alpha Smear Measurement Results SU

Description:

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

MARSSIM Class:

SU DCGLw (dpm/100cm2) 3030E/43-10-1 217611 PR232046 0.267 100 1

1000 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, West Wall, Sys #1 S

54 50.3 3.7 13.8 NO LateralTrench, Section 6W-1, West Wall, Sys #2 S

57 50.3 6.7 25.0 NO LateralTrench, Section 6W-1, West Wall, Sys #3 S

39 50.3

-11.3

-42.2 NO LateralTrench, Section 6W-1, West Wall, Sys #4 S

58 50.3 7.7 28.8 NO LateralTrench, Section 6W-1, West Wall, Sys #5 S

53 50.3 2.7 10.1 NO LateralTrench, Section 6W-1, West Wall, Sys #6 S

56 50.3 5.7 21.3 NO LateralTrench, Section 6W-1, West Wall, Sys #7 S

52 50.3 1.7 6.4 NO LateralTrench, Section 6W-1, West Wall, Sys #8 S

48 50.3

-2.3

-8.6 NO LateralTrench, Section 6W-1, West Wall, Sys #9 S

52 50.3 1.7 6.4 NO LateralTrench, Section 6W-1, West Wall, Sys #10 S

53 50.3 2.7 10.1 NO LateralTrench, Section 6W-1, West Wall, Sys #11 S

58 50.3 7.7 28.8 NO LateralTrench, Section 6W-1, East Wall, Sys #12 S

54 50.3 3.7 13.8 NO LateralTrench, Section 6W-1, East Wall, Sys #13 S

54 50.3 3.7 13.8 NO LateralTrench, Section 6W-1, East Wall, Sys #14 S

57 50.3 6.7 25.0 NO LateralTrench, Section 6W-1, East Wall, Sys #15 S

49 50.3

-1.3

-4.9 NO LateralTrench, Section 6W-1, East Wall, Sys #16 S

53 50.3 2.7 10.1 NO LateralTrench, Section 6W-1, East Wall, Sys #17 S

45 50.3

-5.3

-19.8 NO LateralTrench, Section 6W-1, East Wall, Sys #18 S

51 50.3 0.7 2.6 NO LateralTrench, Section 6W-1, East Wall, Sys #19 S

70 50.3 19.7 73.7 NO LateralTrench, Section 6W-1, East Wall, Sys #20 S

52 50.3 1.7 6.4 NO LateralTrench, Section 6W-1, East Wall, Sys #21 S

51 50.3 0.7 2.6 NO LateralTrench, Section 6W-1, East Wall, Sys #22 S

56 50.3 5.7 21.3 NO Mean 11.1 Median 10.1 Minimum

-42.2 Maximum 73.7 Std Dev (1s) 21.6 ST, Section 6W-1, Wwall, Grid 3 Bottom Biased #1 B

63 50.3 12.7 47.5 NO ST, Section 6W-1, Wwall, Grid 10 Bottom Biased #2 B

57 50.3 6.7 25.0 NO ST, Section 6W-1, Ewall, Grid 10 Top Biased #3 B

54 50.3 3.7 13.8 NO ST, Section 6W-1, Ewall, Grid 30 Bottom Biased #4 B

44 50.3

-6.3

-23.6 NO Mean 15.7 Median 19.4 Minimum

-23.6 Maximum 47.5 Std Dev (1s) 29.7 NOTES:

1 Instrument Efficiency = Instrument 4-pi efficiency for beta 2

Sample Type: S = Systematic B = Biased 3

Daily 10-minute background count in counts per minute Lateral Trench Section 6 - Wall Survey Unit - Beta Smear Measurement Results SU

Description:

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

MARSSIM Class:

SU DCGLw (dpm/100cm2) 3030E/43-10-1 217611 PR232046 0.357 100 1

1000 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

0 0.4

-0.4

-1.1 NO North Trench, Columns 16 to 18, North Wall, Sys #2 S

0 0.4

-0.4

-1.1 NO North Trench, Columns 16 to 18, North Wall, Sys #3 S

0 0.4

-0.4

-1.1 NO North Trench, Columns 16 to 18, North Wall, Sys #4 S

0 0.4

-0.4

-1.1 NO North Trench, Columns 16 to 18, North Wall, Sys #5 S

0 0.4

-0.4

-1.1 NO North Trench, Columns 16 to 18, North Wall, Sys #6 S

0 0.4

-0.4

-1.1 NO North Trench, Columns 16 to 18, North Wall, Sys #7 S

1 0.4 0.6 1.7 NO North Trench, Columns 16 to 18, North Wall, Sys #8 S

2 0.4 1.6 4.5 NO North Trench, Columns 16 to 18, South Wall, Sys #9 S

0 0.4

-0.4

-1.1 NO North Trench, Columns 16 to 18, South Wall, Sys #10 S

1 0.4 0.6 1.7 NO North Trench, Columns 16 to 18, South Wall, Sys #11 S

1 0.4 0.6 1.7 NO North Trench, Columns 16 to 18, South Wall, Sys #12 S

0 0.4

-0.4

-1.1 NO North Trench, Columns 16 to 18, South Wall, Sys #13 S

0 0.4

-0.4

-1.1 NO North Trench, Columns 16 to 18, South Wall, Sys #14 S

0 0.4

-0.4

-1.1 NO North Trench, Columns 16 to 18, South Wall, Sys #15 S

3 0.4 2.6 7.3 NO North Trench, Columns 16 to 18, South Wall, Sys #16 S

1 0.4 0.6 1.7 NO North Trench, Columns 16 to 18, West Wall, Sys #17 S

0 0.4

-0.4

-1.1 NO North Trench, Columns 16 to 18, West Wall, Sys #18 S

0 0.4

-0.4

-1.1 NO North Trench, Columns 16 to 18, West Wall, Sys #19 S

1 0.4 0.6 1.7 NO North Trench, Columns 16 to 18, East Wall, Sys #20 S

0 0.4

-0.4

-1.1 NO North Trench, Columns 16 to 18, East Wall, Sys #21 S

2 0.4 1.6 4.5 NO North Trench, Columns 16 to 18, East Wall, Sys #22 S

1 0.4 0.6 1.7 NO Mean 0.5 Median

-1.1 Minimum

-1.1 Maximum 7.3 Std Dev (1s)

2.4 NOTES

1 Instrument Efficiency = Instrument 4-pi efficiency for alpha 2

Sample Type: S = Systematic B = Biased 3

Daily 10-minute background count in counts per minute North Trench Section 6 - Wall Survey Unit - Alpha Smear Measurement Results SU

Description:

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

MARSSIM Class:

SU DCGLw (dpm/100cm2) 3030E/43-10-1 217611 PR232046 0.267 100 1

1000 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

41 50.3

-9.3

-34.8 NO North Trench, Columns 16 to 18, North Wall, Sys #2 S

53 50.3 2.7 10.1 NO North Trench, Columns 16 to 18, North Wall, Sys #3 S

57 50.3 6.7 25.0 NO North Trench, Columns 16 to 18, North Wall, Sys #4 S

49 50.3

-1.3

-4.9 NO North Trench, Columns 16 to 18, North Wall, Sys #5 S

55 50.3 4.7 17.6 NO North Trench, Columns 16 to 18, North Wall, Sys #6 S

71 50.3 20.7 77.4 NO North Trench, Columns 16 to 18, North Wall, Sys #7 S

53 50.3 2.7 10.1 NO North Trench, Columns 16 to 18, North Wall, Sys #8 S

49 50.3

-1.3

-4.9 NO North Trench, Columns 16 to 18, South Wall, Sys #9 S

63 50.3 12.7 47.5 NO North Trench, Columns 16 to 18, South Wall, Sys #10 S

57 50.3 6.7 25.0 NO North Trench, Columns 16 to 18, South Wall, Sys #11 S

55 50.3 4.7 17.6 NO North Trench, Columns 16 to 18, South Wall, Sys #12 S

55 50.3 4.7 17.6 NO North Trench, Columns 16 to 18, South Wall, Sys #13 S

48 50.3

-2.3

-8.6 NO North Trench, Columns 16 to 18, South Wall, Sys #14 S

52 50.3 1.7 6.4 NO North Trench, Columns 16 to 18, South Wall, Sys #15 S

64 50.3 13.7 51.2 NO North Trench, Columns 16 to 18, South Wall, Sys #16 S

60 50.3 9.7 36.3 NO North Trench, Columns 16 to 18, West Wall, Sys #17 S

49 50.3

-1.3

-4.9 NO North Trench, Columns 16 to 18, West Wall, Sys #18 S

62 50.3 11.7 43.7 NO North Trench, Columns 16 to 18, West Wall, Sys #19 S

66 50.3 15.7 58.7 NO North Trench, Columns 16 to 18, East Wall, Sys #20 S

45 50.3

-5.3

-19.8 NO North Trench, Columns 16 to 18, East Wall, Sys #21 S

53 50.3 2.7 10.1 NO North Trench, Columns 16 to 18, East Wall, Sys #22 S

70 50.3 19.7 73.7 NO Mean 20.5 Median 17.6 Minimum

-34.8 Maximum 77.4 Std Dev (1s) 29.3 NOTES:

1 Instrument Efficiency = Instrument 4-pi efficiency for beta 2

Sample Type: S = Systematic B = Biased 3

Daily 10-minute background count in counts per minute North Trench Section 6 - Wall Survey Unit - Beta Smear Measurement Results SU

Description:

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

MARSSIM Class:

SU DCGLw (dpm/100cm2) 3030E/43-10-1 217611 PR232046 0.356 100 1

1000 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

0 0.1

-0.1

-0.3 NO NorthTrench, SU 6FW-1, Syst #2, North Wall, Grid #12 S

0 0.1

-0.1

-0.3 NO NorthTrench, SU 6FW-1, Syst #3, South Wall, Grid #12 S

0 0.1

-0.1

-0.3 NO NorthTrench, SU 6FW-1, Syst #4, Floor, Grid #14 S

0 0.1

-0.1

-0.3 NO NorthTrench, SU 6FW-1, Syst #5, North Wall, Grid #24 S

0 0.1

-0.1

-0.3 NO NorthTrench, SU 6FW-1, Syst #6, South Wall, Grid #25 S

0 0.1

-0.1

-0.3 NO NorthTrench, SU 6FW-1, Syst #7, Floor, Grid #26 S

1 0.1 0.9 2.5 NO NorthTrench, SU 6FW-1, Syst #8, North Wall, Grid #36 S

1 0.1 0.9 2.5 NO NorthTrench, SU 6FW-1, Syst #9, South Wall, Grid #37 S

0 0.1

-0.1

-0.3 NO NorthTrench, SU 6FW-1, Syst #10, Floor, Grid #38 S

2 0.1 1.9 5.3 NO NorthTrench, SU 6FW-1, Syst #11, North Wall, Grid #48 S

0 0.1

-0.1

-0.3 NO NorthTrench, SU 6FW-1, Syst #12, South Wall, Grid #49 S

0 0.1

-0.1

-0.3 NO NorthTrench, SU 6FW-1, Syst #13, Floor, Grid #50 S

1 0.1 0.9 2.5 NO NorthTrench, SU 6FW-1, Syst #14, North Wall, Grid #60 S

2 0.1 1.9 5.3 NO NorthTrench, SU 6FW-1, Syst #15, South Wall, Grid #61 S

0 0.1

-0.1

-0.3 NO NorthTrench, SU 6FW-1, Syst #16, Floor, Grid #62 S

1 0.1 0.9 2.5 NO NorthTrench, SU 6FW-1, Syst #17, North Wall, Grid #72 S

0 0.1

-0.1

-0.3 NO NorthTrench, SU 6FW-1, Syst #18, South Wall, Grid #73 S

1 0.1 0.9 2.5 NO NorthTrench, SU 6FW-1, Syst #19, Floor, Grid #74 S

0 0.1

-0.1

-0.3 NO NorthTrench, SU 6FW-1, Syst #20, North Wall, Grid #84 S

0 0.1

-0.1

-0.3 NO NorthTrench, SU 6FW-1, Syst #21, South Wall, Grid #85 S

0 0.1

-0.1

-0.3 NO NorthTrench, SU 6FW-1, Syst #22, Floor, Grid #86 S

0 0.1

-0.1

-0.3 NO Mean 0.9 Median

-0.3 Minimum

-0.3 Maximum 5.3 Std Dev (1s) 1.9 NorthTrench, SU 6FW-1, Wall Grid 16 Top, Biased #1 B

0 0.1

-0.1

-0.3 NO NorthTrench, SU 6FW-1, Wall Grid 50 Bottom, Biased #2 B

1 0.1 0.9 2.5 NO NorthTrench, SU 6FW-1, Wall Grid 83 Top, Biased #3 B

2 0.1 1.9 5.3 NO NorthTrench, SU 6FW-1, Wall Grid 43 Bottom, Biased #4 B

0 0.1

-0.1

-0.3 NO NorthTrench, SU 6FW-1, Wall Grid 87 Bottom, Biased #5 B

1 0.1 0.9 2.5 NO NorthTrench, SU 6FW-1, Wall Grid 16 Bottom, Biased #6 B

0 0.1

-0.1

-0.3 NO NorthTrench, SU 6FW-1, Wall Grid 21 Bottom, Biased #7 B

1 0.1 0.9 2.5 NO NorthTrench, SU 6FW-1, Wall Grid 31 Top, Biased #8 B

1 0.1 0.9 2.5 NO NorthTrench, SU 6FW-1, Wall Grid 31 Bottom, Biased #9 B

0 0.1

-0.1

-0.3 NO NorthTrench, SU 6FW-1, Wall Grid 32 Bottom, Biased #10 B

0 0.1

-0.1

-0.3 NO Mean 1.4 Median 1.1 Minimum

-0.3 Maximum 5.3 Std Dev (1s)

2.0 NOTES

1 Instrument Efficiency = Instrument 4-pi efficiency for beta 2

Sample Type: S = Systematic B = Biased 3

Daily 10-minute background count in counts per minute North Trench Section 6 - Floor/Wall Survey Unit - Alpha Smear Measurement Results SU

Description:

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

MARSSIM Class:

SU DCGLw (dpm/100cm2) 3030E/43-10-1 217611 PR232046 0.269 100 1

1000 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

45 51.1

-6.1

-22.7 NO NorthTrench, SU 6FW-1, Syst #2, North Wall, Grid #12 S

50 51.1

-1.1

-4.1 NO NorthTrench, SU 6FW-1, Syst #3, South Wall, Grid #12 S

51 51.1

-0.1

-0.4 NO NorthTrench, SU 6FW-1, Syst #4, Floor, Grid #14 S

50 51.1

-1.1

-4.1 NO NorthTrench, SU 6FW-1, Syst #5, North Wall, Grid #24 S

60 51.1 8.9 33.1 NO NorthTrench, SU 6FW-1, Syst #6, South Wall, Grid #25 S

58 51.1 6.9 25.6 NO NorthTrench, SU 6FW-1, Syst #7, Floor, Grid #26 S

55 51.1 3.9 14.5 NO NorthTrench, SU 6FW-1, Syst #8, North Wall, Grid #36 S

61 51.1 9.9 36.8 NO NorthTrench, SU 6FW-1, Syst #9, South Wall, Grid #37 S

46 51.1

-5.1

-18.9 NO NorthTrench, SU 6FW-1, Syst #10, Floor, Grid #38 S

48 51.1

-3.1

-11.5 NO NorthTrench, SU 6FW-1, Syst #11, North Wall, Grid #48 S

43 51.1

-8.1

-30.1 NO NorthTrench, SU 6FW-1, Syst #12, South Wall, Grid #49 S

44 51.1

-7.1

-26.4 NO NorthTrench, SU 6FW-1, Syst #13, Floor, Grid #50 S

45 51.1

-6.1

-22.7 NO NorthTrench, SU 6FW-1, Syst #14, North Wall, Grid #60 S

47 51.1

-4.1

-15.2 NO NorthTrench, SU 6FW-1, Syst #15, South Wall, Grid #61 S

46 51.1

-5.1

-18.9 NO NorthTrench, SU 6FW-1, Syst #16, Floor, Grid #62 S

52 51.1 0.9 3.3 NO NorthTrench, SU 6FW-1, Syst #17, North Wall, Grid #72 S

56 51.1 4.9 18.2 NO NorthTrench, SU 6FW-1, Syst #18, South Wall, Grid #73 S

58 51.1 6.9 25.6 NO NorthTrench, SU 6FW-1, Syst #19, Floor, Grid #74 S

43 51.1

-8.1

-30.1 NO NorthTrench, SU 6FW-1, Syst #20, North Wall, Grid #84 S

67 51.1 15.9 59.1 NO NorthTrench, SU 6FW-1, Syst #21, South Wall, Grid #85 S

53 51.1 1.9 7.1 NO NorthTrench, SU 6FW-1, Syst #22, Floor, Grid #86 S

52 51.1 0.9 3.3 NO Mean 1.0 Median

-0.4 Minimum

-30.1 Maximum 59.1 Std Dev (1s) 24.4 NorthTrench, SU 6FW-1, Wall Grid 16 Top, Biased #1 B

52 51.1 0.9 3.3 NO NorthTrench, SU 6FW-1, Wall Grid 50 Bottom, Biased #2 B

54 51.1 2.9 10.8 NO NorthTrench, SU 6FW-1, Wall Grid 83 Top, Biased #3 B

53 51.1 1.9 7.1 NO NorthTrench, SU 6FW-1, Wall Grid 43 Bottom, Biased #4 B

46 51.1

-5.1

-18.9 NO NorthTrench, SU 6FW-1, Wall Grid 87 Bottom, Biased #5 B

61 51.1 9.9 36.8 NO NorthTrench, SU 6FW-1, Wall Grid 16 Bottom, Biased #6 B

62 51.1 10.9 40.5 NO NorthTrench, SU 6FW-1, Wall Grid 21 Bottom, Biased #7 B

49 51.1

-2.1

-7.8 NO NorthTrench, SU 6FW-1, Wall Grid 31 Top, Biased #8 B

51 51.1

-0.1

-0.4 NO NorthTrench, SU 6FW-1, Wall Grid 31 Bottom, Biased #9 B

50 51.1

-1.1

-4.1 NO NorthTrench, SU 6FW-1, Wall Grid 32 Bottom, Biased #10 B

63 51.1 11.9 44.2 NO Mean 11.1 Median 5.2 Minimum

-18.9 Maximum 44.2 Std Dev (1s) 21.9 NOTES:

1 Instrument Efficiency = Instrument 4-pi efficiency for beta 2

Sample Type: S = Systematic B = Biased 3

Daily 10-minute background count in counts per minute North Trench Section 6 - Floor/Wall Survey Unit - Beta Smear Measurement Results SU

Description:

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

MARSSIM Class:

SU DCGLw (dpm/100cm2) 3030E/43-10-1 217611 PR232046 0.356 100 1

1000 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

1 0.2 0.8 2.2 NO NorthTrench, SU 6FW-2, Syst #2, North Wall, Grid #7 S

1 0.2 0.8 2.2 NO NorthTrench, SU 6FW-2, Syst #3, South Wall, Grid #8 S

0 0.2

-0.2

-0.6 NO NorthTrench, SU 6FW-2, Syst #4, Floor, Grid #14 S

1 0.2 0.8 2.2 NO NorthTrench, SU 6FW-2, Syst #5, North Wall, Grid #15 S

0 0.2

-0.2

-0.6 NO NorthTrench, SU 6FW-2, Syst #6, South Wall, Grid #16 S

2 0.2 1.8 5.1 NO NorthTrench, SU 6FW-2, Syst #7, Floor, Grid #22 S

1 0.2 0.8 2.2 NO NorthTrench, SU 6FW-2, Syst #8, North Wall, Grid #23 S

0 0.2

-0.2

-0.6 NO NorthTrench, SU 6FW-2, Syst #9, South Wall, Grid #24 S

0 0.2

-0.2

-0.6 NO NorthTrench, SU 6FW-2, Syst #10, Floor, Grid #30 S

0 0.2

-0.2

-0.6 NO NorthTrench, SU 6FW-2, Syst #11, North Wall, Grid #31 S

0 0.2

-0.2

-0.6 NO NorthTrench, SU 6FW-2, Syst #12, South Wall, Grid #32 S

1 0.2 0.8 2.2 NO NorthTrench, SU 6FW-2, Syst #13, Floor, Grid #38 S

2 0.2 1.8 5.1 NO NorthTrench, SU 6FW-2, Syst #14, North Wall, Grid #39 S

0 0.2

-0.2

-0.6 NO NorthTrench, SU 6FW-2, Syst #15, South Wall, Grid #40 S

0 0.2

-0.2

-0.6 NO NorthTrench, SU 6FW-2, Syst #16, Floor, Grid #46 S

0 0.2

-0.2

-0.6 NO NorthTrench, SU 6FW-2, Syst #17, North Wall, Grid #47 S

0 0.2

-0.2

-0.6 NO NorthTrench, SU 6FW-2, Syst #18, South Wall, Grid #48 S

1 0.2 0.8 2.2 NO NorthTrench, SU 6FW-2, Syst #19, Floor, Grid #54 S

2 0.2 1.8 5.1 NO NorthTrench, SU 6FW-2, Syst #20, North Wall, Grid #55 S

0 0.2

-0.2

-0.6 NO NorthTrench, SU 6FW-2, Syst #21, South Wall, Grid #56 S

0 0.2

-0.2

-0.6 NO NorthTrench, SU 6FW-2, Syst #22, Floor, Grid #62 S

0 0.2

-0.2

-0.6 NO Mean 1.0 Median

-0.6 Minimum

-0.6 Maximum 5.1 Std Dev (1s) 2.1 NorthTrench, SU 6FW-2, North Wall Grid 30 Bottom, Bias #1 B

0 0.2

-0.2

-0.6 NO NorthTrench, SU 6FW-2, North Wall Grid 41 Bottom, Bias #2 B

0 0.2

-0.2

-0.6 NO NorthTrench, SU 6FW-2, North Wall Grid 61 Bottom, Bias #3 B

0 0.2

-0.2

-0.6 NO NorthTrench, SU 6FW-2, South Wall Grid 28 Bottom, Bias #4 B

0 0.2

-0.2

-0.6 NO NorthTrench, SU 6FW-2, South Wall Grid 60 Bottom, Bias #5 B

0 0.2

-0.2

-0.6 NO NorthTrench, SU 6FW-2, North Floor Grid 43, Bias #6 B

0 0.2

-0.2

-0.6 NO NorthTrench, SU 6FW-2, North Floor Grid 45, Bias #7 B

0 0.2

-0.2

-0.6 NO NorthTrench, SU 6FW-2, South Floor Grid 48, Bias #8 B

0 0.2

-0.2

-0.6 NO Mean

-0.6 Median

-0.6 Minimum

-0.6 Maximum

-0.6 Std Dev (1s)

0.0 NOTES

1 Instrument Efficiency = Instrument 4-pi efficiency for alpha 2

Sample Type: S = Systematic B = Biased 3

Daily 10-minute background count in counts per minute North Trench Section 6 - Floor/Wall Survey Unit - Alpha Smear Measurement Results SU

Description:

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

MARSSIM Class:

SU DCGLw (dpm/100cm2) 3030E/43-10-1 217611 PR232046 0.269 100 1

1000 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

61 51.1 9.9 36.8 NO NorthTrench, SU 6FW-2, Syst #2, North Wall, Grid #7 S

53 51.1 1.9 7.1 NO NorthTrench, SU 6FW-2, Syst #3, South Wall, Grid #8 S

50 51.1

-1.1

-4.1 NO NorthTrench, SU 6FW-2, Syst #4, Floor, Grid #14 S

58 51.1 6.9 25.6 NO NorthTrench, SU 6FW-2, Syst #5, North Wall, Grid #15 S

57 51.1 5.9 21.9 NO NorthTrench, SU 6FW-2, Syst #6, South Wall, Grid #16 S

50 51.1

-1.1

-4.1 NO NorthTrench, SU 6FW-2, Syst #7, Floor, Grid #22 S

51 51.1

-0.1

-0.4 NO NorthTrench, SU 6FW-2, Syst #8, North Wall, Grid #23 S

49 51.1

-2.1

-7.8 NO NorthTrench, SU 6FW-2, Syst #9, South Wall, Grid #24 S

65 51.1 13.9 51.6 NO NorthTrench, SU 6FW-2, Syst #10, Floor, Grid #30 S

47 51.1

-4.1

-15.2 NO NorthTrench, SU 6FW-2, Syst #11, North Wall, Grid #31 S

63 51.1 11.9 44.2 NO NorthTrench, SU 6FW-2, Syst #12, South Wall, Grid #32 S

48 51.1

-3.1

-11.5 NO NorthTrench, SU 6FW-2, Syst #13, Floor, Grid #38 S

55 51.1 3.9 14.5 NO NorthTrench, SU 6FW-2, Syst #14, North Wall, Grid #39 S

52 51.1 0.9 3.3 NO NorthTrench, SU 6FW-2, Syst #15, South Wall, Grid #40 S

64 51.1 12.9 47.9 NO NorthTrench, SU 6FW-2, Syst #16, Floor, Grid #46 S

46 51.1

-5.1

-18.9 NO NorthTrench, SU 6FW-2, Syst #17, North Wall, Grid #47 S

51 51.1

-0.1

-0.4 NO NorthTrench, SU 6FW-2, Syst #18, South Wall, Grid #48 S

53 51.1 1.9 7.1 NO NorthTrench, SU 6FW-2, Syst #19, Floor, Grid #54 S

51 51.1

-0.1

-0.4 NO NorthTrench, SU 6FW-2, Syst #20, North Wall, Grid #55 S

55 51.1 3.9 14.5 NO NorthTrench, SU 6FW-2, Syst #21, South Wall, Grid #56 S

60 51.1 8.9 33.1 NO NorthTrench, SU 6FW-2, Syst #22, Floor, Grid #62 S

57 51.1 5.9 21.9 NO Mean 12.1 Median 7.1 Minimum

-18.9 Maximum 51.6 Std Dev (1s) 20.8 NorthTrench, SU 6FW-2, North Wall Grid 30 Bottom, Bias #1 B

48 51.1

-3.1

-11.5 NO NorthTrench, SU 6FW-2, North Wall Grid 41 Bottom, Bias #2 B

57 51.1 5.9 21.9 NO NorthTrench, SU 6FW-2, North Wall Grid 61 Bottom, Bias #3 B

64 51.1 12.9 47.9 NO NorthTrench, SU 6FW-2, South Wall Grid 28 Bottom, Bias #4 B

59 51.1 7.9 29.4 NO NorthTrench, SU 6FW-2, South Wall Grid 60 Bottom, Bias #5 B

54 51.1 2.9 10.8 NO NorthTrench, SU 6FW-2, North Floor Grid 43, Bias #6 B

50 51.1

-1.1

-4.1 NO NorthTrench, SU 6FW-2, North Floor Grid 45, Bias #7 B

44 51.1

-7.1

-26.4 NO NorthTrench, SU 6FW-2, South Floor Grid 48, Bias #8 B

55 51.1 3.9 14.5 NO Mean 10.3 Median 12.6 Minimum

-26.4 Maximum 47.9 Std Dev (1s) 23.8 NOTES:

1 Instrument Efficiency = Instrument 4-pi efficiency for beta 2

Sample Type: S = Systematic B = Biased 3

Daily 10-minute background count in counts per minute North Trench Section 6 - Floor/Wall Survey Unit - Beta Smear Measurement Results SU

Description:

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

MARSSIM Class:

SU DCGLw (dpm/100cm2) 3030E/43-10-1 217611 PR232046 0.356 100 1

1000 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

3 0.2 2.8 7.9 NO Eastern End of Sewer Pipe in Shelton Ave, 0 ft, 9:00 #2 S

0 0.2

-0.2

-0.6 NO Eastern End of Sewer Pipe in Shelton Ave, 0 ft, 12:00 #3 S

5 0.2 4.8 13.5 NO Eastern End of Sewer Pipe in Shelton Ave, 0 ft, 3:00 #4 S

1 0.2 0.8 2.2 NO Eastern End of Sewer Pipe in Shelton Ave, 1 ft, 6:00 #5 S

0 0.2

-0.2

-0.6 NO Eastern End of Sewer Pipe in Shelton Ave, 1 ft, 9:00 #6 S

0 0.2

-0.2

-0.6 NO Eastern End of Sewer Pipe in Shelton Ave, 1 ft, 12:00 #7 S

0 0.2

-0.2

-0.6 NO Eastern End of Sewer Pipe in Shelton Ave, 1 ft, 3:00 #8 S

1 0.2 0.8 2.2 NO Eastern End of Sewer Pipe in Shelton Ave, 2 ft, 6:00 #9 S

0 0.2

-0.2

-0.6 NO Eastern End of Sewer Pipe in Shelton Ave, 2 ft, 9:00 #10 S

0 0.2

-0.2

-0.6 NO Eastern End of Sewer Pipe in Shelton Ave, 2 ft, 12:00 #11 S

1 0.2 0.8 2.2 NO Eastern End of Sewer Pipe in Shelton Ave, 2 ft, 3:00 #12 S

1 0.2 0.8 2.2 NO Eastern End of Sewer Pipe in Shelton Ave, 3 ft, 6:00 #13 S

1 0.2 0.8 2.2 NO Eastern End of Sewer Pipe in Shelton Ave, 3 ft, 9:00 #14 S

1 0.2 0.8 2.2 NO Eastern End of Sewer Pipe in Shelton Ave, 3 ft, 12:00 #15 S

0 0.2

-0.2

-0.6 NO Eastern End of Sewer Pipe in Shelton Ave, 3 ft, 3:00 #16 S

1 0.2 0.8 2.2 NO Western End of Sewer Pipe in Shelton Ave, 0 ft, 6:00 #1 S

0 0.2

-0.2

-0.6 NO Western End of Sewer Pipe in Shelton Ave, 0 ft, 9:00 #2 S

0 0.2

-0.2

-0.6 NO Western End of Sewer Pipe in Shelton Ave, 0 ft, 12:00 #3 S

1 0.2 0.8 2.2 NO Western End of Sewer Pipe in Shelton Ave, 0 ft, 3:00 #4 S

0 0.2

-0.2

-0.6 NO Western End of Sewer Pipe in Shelton Ave, 1 ft, 6:00 #5 S

0 0.2

-0.2

-0.6 NO Western End of Sewer Pipe in Shelton Ave, 1 ft, 9:00 #6 S

1 0.2 0.8 2.2 NO Western End of Sewer Pipe in Shelton Ave, 1 ft, 12:00 #7 S

1 0.2 0.8 2.2 NO Western End of Sewer Pipe in Shelton Ave, 1 ft, 3:00 #8 S

1 0.2 0.8 2.2 NO Western End of Sewer Pipe in Shelton Ave, 2 ft, 6:00 #9 S

0 0.2

-0.2

-0.6 NO Western End of Sewer Pipe in Shelton Ave, 2 ft, 9:00 #10 S

1 0.2 0.8 2.2 NO Western End of Sewer Pipe in Shelton Ave, 2 ft, 12:00 #11 S

0 0.2

-0.2

-0.6 NO Western End of Sewer Pipe in Shelton Ave, 2 ft, 3:00 #12 S

0 0.2

-0.2

-0.6 NO Mean 1.4 Median

-0.6 Minimum

-0.6 Maximum 13.5 Std Dev (1s)

3.0 NOTES

1 Daily 10-minute background count in counts per minute 2

Sample Type: S = Systematic B = Biased 3

Daily 10-minute background count in counts per minute Shelton Avenue Abandoned Sewer Pipe - Alpha Smear Measurement Results SU

Description:

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

MARSSIM Class:

SU DCGLw (dpm/100cm2) 3030E/43-10-1 217611 PR232046 0.269 100 1

1000 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

61 49.5 11.5 42.7 NO Eastern End of Sewer Pipe in Shelton Ave, 0 ft, 9:00 #2 S

52 49.5 2.5 9.3 NO Eastern End of Sewer Pipe in Shelton Ave, 0 ft, 12:00 #3 S

44 49.5

-5.5

-20.4 NO Eastern End of Sewer Pipe in Shelton Ave, 0 ft, 3:00 #4 S

47 49.5

-2.5

-9.3 NO Eastern End of Sewer Pipe in Shelton Ave, 1 ft, 6:00 #5 S

42 49.5

-7.5

-27.9 NO Eastern End of Sewer Pipe in Shelton Ave, 1 ft, 9:00 #6 S

41 49.5

-8.5

-31.6 NO Eastern End of Sewer Pipe in Shelton Ave, 1 ft, 12:00 #7 S

54 49.5 4.5 16.7 NO Eastern End of Sewer Pipe in Shelton Ave, 1 ft, 3:00 #8 S

65 49.5 15.5 57.6 NO Eastern End of Sewer Pipe in Shelton Ave, 2 ft, 6:00 #9 S

57 49.5 7.5 27.9 NO Eastern End of Sewer Pipe in Shelton Ave, 2 ft, 9:00 #10 S

43 49.5

-6.5

-24.2 NO Eastern End of Sewer Pipe in Shelton Ave, 2 ft, 12:00 #11 S

54 49.5 4.5 16.7 NO Eastern End of Sewer Pipe in Shelton Ave, 2 ft, 3:00 #12 S

55 49.5 5.5 20.4 NO Eastern End of Sewer Pipe in Shelton Ave, 3 ft, 6:00 #13 S

43 49.5

-6.5

-24.2 NO Eastern End of Sewer Pipe in Shelton Ave, 3 ft, 9:00 #14 S

47 49.5

-2.5

-9.3 NO Eastern End of Sewer Pipe in Shelton Ave, 3 ft, 12:00 #15 S

51 49.5 1.5 5.6 NO Eastern End of Sewer Pipe in Shelton Ave, 3 ft, 3:00 #16 S

47 49.5

-2.5

-9.3 NO Western End of Sewer Pipe in Shelton Ave, 0 ft, 6:00 #1 S

52 45.6 6.4 23.8 NO Western End of Sewer Pipe in Shelton Ave, 0 ft, 9:00 #2 S

52 45.6 6.4 23.8 NO Western End of Sewer Pipe in Shelton Ave, 0 ft, 12:00 #3 S

49 45.6 3.4 12.6 NO Western End of Sewer Pipe in Shelton Ave, 0 ft, 3:00 #4 S

42 45.6

-3.6

-13.4 NO Western End of Sewer Pipe in Shelton Ave, 1 ft, 6:00 #5 S

41 45.6

-4.6

-17.1 NO Western End of Sewer Pipe in Shelton Ave, 1 ft, 9:00 #6 S

48 45.6 2.4 8.9 NO Western End of Sewer Pipe in Shelton Ave, 1 ft, 12:00 #7 S

42 45.6

-3.6

-13.4 NO Western End of Sewer Pipe in Shelton Ave, 1 ft, 3:00 #8 S

49 45.6 3.4 12.6 NO Western End of Sewer Pipe in Shelton Ave, 2 ft, 6:00 #9 S

55 45.6 9.4 34.9 NO Western End of Sewer Pipe in Shelton Ave, 2 ft, 9:00 #10 S

45 45.6

-0.6

-2.2 NO Western End of Sewer Pipe in Shelton Ave, 2 ft, 12:00 #11 S

57 45.6 11.4 42.4 NO Western End of Sewer Pipe in Shelton Ave, 2 ft, 3:00 #12 S

44 45.6

-1.6

-5.9 NO Mean 5.3 Median 5.6 Minimum

-31.6 Maximum 57.6 Std Dev (1s) 23.6 NOTES:

1 Daily 10-minute background count in counts per minute 2 Sample Type: S = Systematic B = Biased 3 Daily 10-minute background count in counts per minute Shelton Avenue Abandoned Sewer Pipe - Beta Smear Measurement Results SU

Description:

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

MARSSIM Class:

SU DCGLw (dpm/100cm2) 3030E/43-10-1 217611 PR232046 0.356 100 1

1000 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 Decon Pit, Pipe Chase, Floor 1 #1 B

4 0.2 3.8 10.7 NO Decon Pit, Pipe Chase, Floor 2 #2 B

0 0.2

-0.2

-0.6 NO Decon Pit, Pipe Chase, Floor 3 #3 B

1 0.2 0.8 2.2 NO Decon Pit, Pipe Chase, Floor 4 #4 B

2 0.2 1.8 5.1 NO Decon Pit, Pipe Chase, Nwall Top 1 #15 B

0 0.2

-0.2

-0.6 NO Decon Pit, Pipe Chase, Nwall Top 2 #16 B

0 0.2

-0.2

-0.6 NO Decon Pit, Pipe Chase, Nwall 1 #9 B

0 0.2

-0.2

-0.6 NO Decon Pit, Pipe Chase, Nwall 2 #10 B

1 0.2 0.8 2.2 NO Decon Pit, Pipe Chase, Nwall 3 #11 B

3 0.2 2.8 7.9 NO Decon Pit, Pipe Chase, Nwall 4 #12 B

1 0.2 0.8 2.2 NO Decon Pit, Pipe Chase, Swall 1 #5 B

1 0.2 0.8 2.2 NO Decon Pit, Pipe Chase, Swall 2#6 B

0 0.2

-0.2

-0.6 NO Decon Pit, Pipe Chase, Swall 3 #7 B

1 0.2 0.8 2.2 NO Decon Pit, Pipe Chase, Swall 4 #8 B

2 0.2 1.8 5.1 NO Decon Pit, Pipe Chase, Swall Top 1 #13 B

2 0.2 1.8 5.1 NO Decon Pit, Pipe Chase, Swall Top 2 #14 B

4 0.2 3.8 10.7 NO Decon Pit Excavation South Wall Grid #1 B

1 0.3 0.7 2.0 NO Decon Pit Excavation South Wall Grid #2 B

2 0.3 1.7 4.8 NO Decon Pit Excavation South Wall Grid #3 B

0 0.3

-0.3

-0.8 NO Decon Pit Excavation South Wall Grid #4 B

1 0.3 0.7 2.0 NO Decon Pit Excavation South Wall Grid #5 B

0 0.3

-0.3

-0.8 NO Decon Pit Excavation South Wall Grid #6 B

0 0.3

-0.3

-0.8 NO Decon Pit Excavation South Wall Grid #7 B

0 0.3

-0.3

-0.8 NO Decon Pit Excavation South Wall Grid #8 B

1 0.3 0.7 2.0 NO Decon Pit Excavation South Wall Grid #9 B

0 0.3

-0.3

-0.8 NO Decon Pit Excavation South Wall Grid #10 B

0 0.3

-0.3

-0.8 NO Mean 2.2 Median 2.0 Minimum

-0.8 Maximum 10.7 Std Dev (1s)

3.5 NOTES

1 Daily 10-minute background count in counts per minute 2

Sample Type: S = Systematic B = Biased 3

Daily 10-minute background count in counts per minute Decon Pit Structure Surfaces - Alpha Smear Measurement Results SU

Description:

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

MARSSIM Class:

SU DCGLw (dpm/100cm2) 3030E/43-10-1 217611 PR232046 0.269 100 1

1000 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 Decon Pit, Pipe Chase, Floor 1 #1 B

55 47.6 7.4 27.5 NO Decon Pit, Pipe Chase, Floor 2 #2 B

48 47.6 0.4 1.5 NO Decon Pit, Pipe Chase, Floor 3 #3 B

61 47.6 13.4 49.8 NO Decon Pit, Pipe Chase, Floor 4 #4 B

56 47.6 8.4 31.2 NO Decon Pit, Pipe Chase, Nwall Top 1 #15 B

55 47.6 7.4 27.5 NO Decon Pit, Pipe Chase, Nwall Top 2 #16 B

42 47.6

-5.6

-20.8 NO Decon Pit, Pipe Chase, Nwall 1 #9 B

50 47.6 2.4 8.9 NO Decon Pit, Pipe Chase, Nwall 2 #10 B

41 47.6

-6.6

-24.5 NO Decon Pit, Pipe Chase, Nwall 3 #11 B

47 47.6

-0.6

-2.2 NO Decon Pit, Pipe Chase, Nwall 4 #12 B

35 47.6

-12.6

-46.8 NO Decon Pit, Pipe Chase, Swall 1 #5 B

53 47.6 5.4 20.1 NO Decon Pit, Pipe Chase, Swall 2#6 B

39 47.6

-8.6

-32.0 NO Decon Pit, Pipe Chase, Swall 3 #7 B

49 47.6 1.4 5.2 NO Decon Pit, Pipe Chase, Swall 4 #8 B

71 47.6 23.4 86.9 NO Decon Pit, Pipe Chase, Swall Top 1 #13 B

50 47.6 2.4 8.9 NO Decon Pit, Pipe Chase, Swall Top 2 #14 B

45 47.6

-2.6

-9.7 NO Decon Pit Excavation South Wall Grid #1 B

45 48.6

-3.6

-13.4 NO Decon Pit Excavation South Wall Grid #2 B

64 48.6 15.4 57.2 NO Decon Pit Excavation South Wall Grid #3 B

42 48.6

-6.6

-24.5 NO Decon Pit Excavation South Wall Grid #4 B

62 48.6 13.4 49.8 NO Decon Pit Excavation South Wall Grid #5 B

36 48.6

-12.6

-46.8 NO Decon Pit Excavation South Wall Grid #6 B

56 48.6 7.4 27.5 NO Decon Pit Excavation South Wall Grid #7 B

48 48.6

-0.6

-2.2 NO Decon Pit Excavation South Wall Grid #8 B

44 48.6

-4.6

-17.1 NO Decon Pit Excavation South Wall Grid #9 B

47 48.6

-1.6

-5.9 NO Decon Pit Excavation South Wall Grid #10 B

45 48.6

-3.6

-13.4 NO Mean 5.5 Median

-2.2 Minimum

-46.8 Maximum 86.9 Std Dev (1s) 32.7 NOTES:

1 Daily 10-minute background count in counts per minute 2 Sample Type: S = Systematic B = Biased 3 Daily 10-minute background count in counts per minute Decon Pit Structure Surfaces - Beta Smear Measurement Results SU

Description:

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

MARSSIM Class:

SU DCGLw (dpm/100cm2) 3030E/43-10-1 217611 PR232046 0.356 100 1

1000 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 Decon Pit Floor East #1 B

10 0.3 9.7 27.2 NO Decon Pit Floor East #2 B

29 0.3 28.7 80.6 NO Decon Pit Floor East #3 B

0 0.3

-0.3

-0.8 NO Decon Pit Floor East #4 B

1 0.3 0.7 2.0 NO Decon Pit Floor East #5 B

5 0.3 4.7 13.2 NO Decon Pit Floor East #6 B

2 0.3 1.7 4.8 NO Decon Pit Floor East #7 B

6 0.3 5.7 16.0 NO Decon Pit Floor East #8 B

29 0.3 28.7 80.6 NO Decon Pit Floor East #9 B

15 0.3 14.7 41.3 NO Decon Pit Floor East #10 B

5 0.3 4.7 13.2 NO Decon Pit Floor East #11 B

2 0.3 1.7 4.8 NO Decon Pit Floor East #12 B

11 0.3 10.7 30.0 NO Decon Pit Floor East #13 B

9 0.3 8.7 24.4 NO Decon Pit Floor East #14 B

3 0.3 2.7 7.6 NO Decon Pit Floor East #15 B

1 0.3 0.7 2.0 NO Mean 23.1 Median 13.2 Minimum

-0.8 Maximum 80.6 Std Dev (1s) 26.2 NOTES:

1 Daily 10-minute background count in counts per minute 2

Sample Type: S = Systematic B = Biased 3

Daily 10-minute background count in counts per minute Decon Pit Room East Floor Surfaces - Alpha Smear Measurement Results SU

Description:

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

MARSSIM Class:

SU DCGLw (dpm/100cm2) 3030E/43-10-1 217611 PR232046 0.269 100 1

1000 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 Decon Pit Floor East #1 B

64 49.3 14.7 54.6 NO Decon Pit Floor East #2 B

60 49.3 10.7 39.8 NO Decon Pit Floor East #3 B

58 49.3 8.7 32.3 NO Decon Pit Floor East #4 B

46 49.3

-3.3

-12.3 NO Decon Pit Floor East #5 B

60 49.3 10.7 39.8 NO Decon Pit Floor East #6 B

48 49.3

-1.3

-4.8 NO Decon Pit Floor East #7 B

66 49.3 16.7 62.0 NO Decon Pit Floor East #8 B

48 49.3

-1.3

-4.8 NO Decon Pit Floor East #9 B

47 49.3

-2.3

-8.5 NO Decon Pit Floor East #10 B

42 49.3

-7.3

-27.1 NO Decon Pit Floor East #11 B

47 49.3

-2.3

-8.5 NO Decon Pit Floor East #12 B

52 49.3 2.7 10.0 NO Decon Pit Floor East #13 B

54 49.3 4.7 17.5 NO Decon Pit Floor East #14 B

50 49.3 0.7 2.6 NO Decon Pit Floor East #15 B

64 49.3 14.7 54.6 NO Mean 16.5 Median 6.3 Minimum

-27.1 Maximum 62.0 Std Dev (1s) 28.6 NOTES:

1 Daily 10-minute background count in counts per minute 2 Sample Type: S = Systematic B = Biased 3 Daily 10-minute background count in counts per minute Decon Pit Room East Floor Surfaces - Beta Smear Measurement Results SU

Description:

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

MARSSIM Class:

SU DCGLw (dpm/100cm2) 3030E/43-10-1 217611 PR232046 0.356 100 1

1000 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 Small Trench Btw C41 and C40 Grid #1 B

0 0.2

-0.2

-0.6 NO Small Trench Btw C41 and C40 Grid #2 B

1 0.2 0.8 2.2 NO Small Trench Btw C41 and C40 Grid #3 B

1 0.2 0.8 2.2 NO Small Trench Btw C41 and C40 Grid #4 B

1 0.2 0.8 2.2 NO Small Trench Btw C41 and C40 Grid #5 B

0 0.2

-0.2

-0.6 NO Small Trench Btw C41 and C40 Grid #6 B

0 0.2

-0.2

-0.6 NO Small Trench Btw C41 and C40 Grid #7 B

0 0.2

-0.2

-0.6 NO Small Trench Btw C41 and C40 Grid #8 B

1 0.2 0.8 2.2 NO Small Trench Btw C41 and C40 Grid #9 B

5 0.2 4.8 13.5 NO Small Trench Btw C41 and C40 Grid #10 B

1 0.2 0.8 2.2 NO Small Trench Btw C41 and C40 Grid #11 B

0 0.2

-0.2

-0.6 NO Small Trench Btw C41 and C40 Grid #12 B

0 0.2

-0.2

-0.6 NO Small Trench Btw C41 and C40 Grid #13 B

2 0.2 1.8 5.1 NO Small Trench Btw C40 and C39 Grid #14 B

0 0.2

-0.2

-0.6 NO Small Trench Btw C40 and C39 Grid #15 B

0 0.2

-0.2

-0.6 NO Small Trench Btw C40 and C39 Grid #16 B

2 0.2 1.8 5.1 NO Small Trench Btw C40 and C39 Grid #17 B

1 0.2 0.8 2.2 NO Small Trench Btw C40 and C39 Grid #18 B

1 0.2 0.8 2.2 NO Small Trench Btw C40 and C39 Grid #19 B

0 0.2

-0.2

-0.6 NO Small Trench Btw C40 and C39 Grid #20 B

0 0.2

-0.2

-0.6 NO Small Trench Btw C40 and C39 Grid #21 B

3 0.2 2.8 7.9 NO Small Trench Btw C40 and C39 Grid #22 B

1 0.2 0.8 2.2 NO Small Trench Btw C40 and C39 Grid #23 B

2 0.2 1.8 5.1 NO Small Trench Btw C40 and C39 Grid #24 B

0 0.2

-0.2

-0.6 NO Small Trench Btw C40 and C39 Grid #25 B

0 0.2

-0.2

-0.6 NO Small Trench Btw C39 and C38 Grid #26 B

2 0.2 1.8 5.1 NO Small Trench Btw C39 and C38 Grid #27 B

4 0.2 3.8 10.7 NO Small Trench Btw C39 and C38 Grid #28 B

6 0.2 5.8 16.3 NO Small Trench Btw C39 and C38 Grid #29 B

3 0.2 2.8 7.9 NO Small Trench Btw C39 and C38 Grid #30 B

4 0.2 3.8 10.7 NO Small Trench Btw C39 and C38 Grid #31 B

1 0.2 0.8 2.2 NO Small Trench Btw C39 and C38 Grid #32 B

6 0.2 5.8 16.3 NO Small Trench Btw C39 and C38 Grid #33 B

3 0.2 2.8 7.9 NO Small Trench Btw C39 and C38 Grid #34 B

4 0.2 3.8 10.7 NO Mean 4.0 Median 2.2 Minimum

-0.6 Maximum 16.3 Std Dev (1s)

5.1 NOTES

1 Daily 10-minute background count in counts per minute 2

Sample Type: S = Systematic B = Biased 3

Daily 10-minute background count in counts per minute Small Trench Surfaces - Alpha Smear Measurement Results SU

Description:

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

MARSSIM Class:

SU DCGLw (dpm/100cm2) 3030E/43-10-1 217611 PR232046 0.269 100 1

1000 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 Small Trench Btw C41 and C40 Grid #1 B

60 50.6 9.4 34.9 NO Small Trench Btw C41 and C40 Grid #2 B

63 50.6 12.4 46.1 NO Small Trench Btw C41 and C40 Grid #3 B

54 50.6 3.4 12.6 NO Small Trench Btw C41 and C40 Grid #4 B

51 50.6 0.4 1.5 NO Small Trench Btw C41 and C40 Grid #5 B

65 50.6 14.4 53.5 NO Small Trench Btw C41 and C40 Grid #6 B

58 50.6 7.4 27.5 NO Small Trench Btw C41 and C40 Grid #7 B

45 50.6

-5.6

-20.8 NO Small Trench Btw C41 and C40 Grid #8 B

55 50.6 4.4 16.3 NO Small Trench Btw C41 and C40 Grid #9 B

40 50.6

-10.6

-39.4 NO Small Trench Btw C41 and C40 Grid #10 B

57 50.6 6.4 23.8 NO Small Trench Btw C41 and C40 Grid #11 B

47 50.6

-3.6

-13.4 NO Small Trench Btw C41 and C40 Grid #12 B

51 50.6 0.4 1.5 NO Small Trench Btw C41 and C40 Grid #13 B

55 50.6 4.4 16.3 NO Small Trench Btw C40 and C39 Grid #14 B

50 50.6

-0.6

-2.2 NO Small Trench Btw C40 and C39 Grid #15 B

46 50.6

-4.6

-17.1 NO Small Trench Btw C40 and C39 Grid #16 B

54 50.6 3.4 12.6 NO Small Trench Btw C40 and C39 Grid #17 B

51 50.6 0.4 1.5 NO Small Trench Btw C40 and C39 Grid #18 B

63 50.6 12.4 46.1 NO Small Trench Btw C40 and C39 Grid #19 B

56 50.6 5.4 20.1 NO Small Trench Btw C40 and C39 Grid #20 B

47 50.6

-3.6

-13.4 NO Small Trench Btw C40 and C39 Grid #21 B

50 50.6

-0.6

-2.2 NO Small Trench Btw C40 and C39 Grid #22 B

48 50.6

-2.6

-9.7 NO Small Trench Btw C40 and C39 Grid #23 B

59 50.6 8.4 31.2 NO Small Trench Btw C40 and C39 Grid #24 B

56 50.6 5.4 20.1 NO Small Trench Btw C40 and C39 Grid #25 B

62 50.6 11.4 42.4 NO Small Trench Btw C39 and C38 Grid #26 B

42 50.6

-8.6

-32.0 NO Small Trench Btw C39 and C38 Grid #27 B

57 50.6 6.4 23.8 NO Small Trench Btw C39 and C38 Grid #28 B

58 50.6 7.4 27.5 NO Small Trench Btw C39 and C38 Grid #29 B

71 50.6 20.4 75.8 NO Small Trench Btw C39 and C38 Grid #30 B

45 50.6

-5.6

-20.8 NO Small Trench Btw C39 and C38 Grid #31 B

56 50.6 5.4 20.1 NO Small Trench Btw C39 and C38 Grid #32 B

42 50.6

-8.6

-32.0 NO Small Trench Btw C39 and C38 Grid #33 B

45 50.6

-5.6

-20.8 NO Small Trench Btw C39 and C38 Grid #34 B

64 50.6 13.4 49.8 NO Mean 11.2 Median 14.5 Minimum

-39.4 Maximum 75.8 Std Dev (1s) 27.7 NOTES:

1 Daily 10-minute background count in counts per minute 2 Sample Type: S = Systematic B = Biased 3 Daily 10-minute background count in counts per minute Small Trench Surfaces - Beta Smear Measurement Results SU

Description:

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

MARSSIM Class:

SU DCGLw (dpm/100cm2) 3030E/43-10-1 217611 PR232046 0.357 100 1

1000 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

1 0.2 0.8 2.2 NO Pipe Chase South Wall #2 B

3 0.2 2.8 7.9 NO Pipe Chase South Wall #3 B

0 0.2

-0.2

-0.6 NO Pipe Chase South Wall #4 B

2 0.2 1.8 5.0 NO Pipe Chase Floor #1 B

33 0.2 32.8 91.9 NO Pipe Chase Floor #2 B

25 0.2 24.9 69.9 NO Pipe Chase Floor #3 B

3 0.2 2.8 8.0 NO Pipe Chase Floor #4 B

8 0.2 7.8 22.0 NO Pipe Chase North Wall #1 B

2 0.2 1.8 5.0 NO Pipe Chase North Wall #2 B

2 0.2 1.8 5.0 NO Pipe Chase North Wall #3 B

8 0.2 7.8 22.0 NO Pipe Chase North Wall #4 B

6 0.2 5.7 16.0 NO Mean 21.2 Median 8.0 Minimum

-0.6 Maximum 91.9 Std Dev (1s) 29.2 NOTES:

1 Daily 10-minute background count in counts per minute 2

Sample Type: S = Systematic B = Biased 3

Daily 10-minute background count in counts per minute X-Ray Read Room Pipe Chase Surfaces - Alpha Smear Measurement Results SU

Description:

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

MARSSIM Class:

SU DCGLw (dpm/100cm2) 3030E/43-10-1 217611 PR232046 0.267 100 1

1000 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

56 55.4 0.6 2.2 NO Pipe Chase South Wall #2 B

53 55.4

-2.4

-9.0 NO Pipe Chase South Wall #3 B

55 55.4

-0.4

-1.5 NO Pipe Chase South Wall #4 B

55 55.4

-0.4

-1.5 NO Pipe Chase Floor #1 B

59 54.5 4.6 17.2 NO Pipe Chase Floor #2 B

58 54.5 3.5 12.9 NO Pipe Chase Floor #3 B

62 54.5 7.6 28.4 NO Pipe Chase Floor #4 B

42 54.5

-12.4

-46.4 NO Pipe Chase North Wall #1 B

47 54.5

-7.6

-28.4 NO Pipe Chase North Wall #2 B

49 54.5

-5.5

-20.6 NO Pipe Chase North Wall #3 B

54 54.5

-0.5

-1.7 NO Pipe Chase North Wall #4 B

50 54.5

-4.6

-17.2 NO Mean

-5.5 Median

-1.7 Minimum

-46.4 Maximum 28.4 Std Dev (1s) 20.6 NOTES:

1 Daily 10-minute background count in counts per minute 2 Sample Type: S = Systematic B = Biased 3 Daily 10-minute background count in counts per minute X-Ray Read Room Pipe Chase Surfaces - Beta Smear Measurement Results SU

Description:

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

MARSSIM Class:

SU DCGLw (dpm/100cm2) 3030E/43-10-1 217611 PR232046 0.356 100 1

1000 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

1 0.5 0.5 1.4 NO Haul Road #2 B

0 0.5

-0.5

-1.4 NO Haul Road #3 B

0 0.5

-0.5

-1.4 NO Haul Road #4 B

0 0.5

-0.5

-1.4 NO Haul Road #5 B

0 0.5

-0.5

-1.4 NO Haul Road #6 B

0 0.5

-0.5

-1.4 NO Haul Road #7 B

1 0.5 0.5 1.4 NO Haul Road #8 B

1 0.5 0.5 1.4 NO Haul Road #9 B

1 0.5 0.5 1.4 NO Haul Road #10 B

3 0.5 2.5 7.0 NO Haul Road #11 B

0 0.5

-0.5

-1.4 NO Haul Road #12 B

0 0.5

-0.5

-1.4 NO Haul Road #13 B

0 0.5

-0.5

-1.4 NO Mean 0.1 Median

-1.4 Minimum

-1.4 Maximum 7.0 Std Dev (1s)

2.5 NOTES

1 Daily 10-minute background count in counts per minute 2

Sample Type: S = Systematic B = Biased 3

Daily 10-minute background count in counts per minute Haul Road Area - Alpha Smear Measurement Results SU

Description:

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

MARSSIM Class:

SU DCGLw (dpm/100cm2) 3030E/43-10-1 217611 PR232046 0.269 100 1

1000 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

50 53.1

-3.1

-11.5 NO Haul Road #2 B

54 53.1 0.9 3.3 NO Haul Road #3 B

68 53.1 14.9 55.4 NO Haul Road #4 B

54 53.1 0.9 3.3 NO Haul Road #5 B

49 53.1

-4.1

-15.2 NO Haul Road #6 B

44 53.1

-9.1

-33.8 NO Haul Road #7 B

58 53.1 4.9 18.2 NO Haul Road #8 B

48 53.1

-5.1

-18.9 NO Haul Road #9 B

45 53.1

-8.1

-30.1 NO Haul Road #10 B

47 53.1

-6.1

-22.7 NO Haul Road #11 B

56 53.1 2.9 10.8 NO Haul Road #12 B

59 53.1 5.9 21.9 NO Haul Road #13 B

43 53.1

-10.1

-37.5 NO Mean

-4.4 Median

-5.9 Minimum

-37.5 Maximum 55.4 Std Dev (1s) 26.6 NOTES:

1 Daily 10-minute background count in counts per minute 2 Sample Type: S = Systematic B = Biased 3 Daily 10-minute background count in counts per minute Haul Road Area - Beta Smear Measurement Results SU