ML082620111
| ML082620111 | |
| Person / Time | |
|---|---|
| Site: | Rancho Seco |
| Issue date: | 05/28/2008 |
| From: | Ellen Brown Sacramento Municipal Utility District (SMUD) |
| To: | NRC/FSME |
| References | |
| MPC&D 08-064 | |
| Download: ML082620111 (31) | |
Text
Rancho Seco Final Status Survey Summary Report May 28, 2008 East Radwaste System Piping Survey Unit F8990422 Prepared By:
tý
. /,*
Date:
/ 2§ 200-FSS Engineer Reviewed By. 7i*4 fA
- eIDate:
71 -SoP Lead FSS Engineer Approved By:
7z Date: 7' 30 Dismantleme uperintendent, Radiological
FINAL STATUS SURVEY
SUMMARY
REPORT Survey Unit:
F8990422, Radwaste System Piping Survey Unit
Description:
Operating History: This system transported liquid radioactive waste through the waste processing system. This system was designed to be contaminated. Operating records and the HSA support its status as radioactively contaminated system piping.
Site Characterization: Direct measurements were made of the interior surfaces of the system piping which confirmed the presence of plant-derived radionuclides. Direct measurements of the interior showed a mean gross activity level of 49,700,000 dpm/100 cm 2 and a maximum value of 211,000,000 dpm/100 cm2. Based on the classification procedure (DSIP-0020) and levels of gross activity reported, the system was determined to be a Class 1 system.
HSA Events$N/A Radioactive by design.
Survey Unit Design Information:
The Survey Unit Design Parameters are presented in Table 1 below. The survey unit and measurement locations are depicted on the maps in Attachment 1. Direct measurement.
locations were spaced at 15cm intervals and 30.4 ml were scanned for 100% coverage.
The instrumentation used for the survey along with the MDC values are listed in Tables 2-1 and 2-2 in Attachment 2.
Page 2 of 19 FSS Summary Report F8990422
Table 1. Survey Unit Design Parameters Survey Design Value Comment Parameter Survey Area:
Survey Unit:
Class:
SU Area (m2):
Evaluator:
DCGL (dpm/100 cm 2):
Area Factor:
Design DCGLemc (dpm/100 cm2):
LBGR (dpm/I 00 cm2):
Design Sigma (dpm/100 cm 2):
Type I Error:
Type II Error:
Predominant Nuclide:
Sample Area (m2):
Scan Area (m2):
Scan Coverage (%):
ZI-, :
Sign P:
Calculated Relative Shift:
Relative Shift Used:
N-Value:
Design N-Value + 20%:
Design Min Samples N:
Grid Spacing L:
F899 0422 1
30.4 Erin L. Brown 100000 1
100000 50000 100000 0.05 0.05 Cs-137 N/A 30.4 10.0%
1.645 1.645 0.691462 0.5 0.5 74 89 89 0.5 Radwaste System Piping Structure Surface LTP Table 5-4 Gross Activity DCGL Class 1 Class 1 Default = 50% DCGL Class 1 Class 1 Uses 3.0 if Relative Shift is
>3 NUREG-1575 Table 5-5 Class I Class 1
.1.
J Page 3 of 19 FSS Summary Report F8990422
Survey Results:
A total of 696 direct measurements were made in F8990422. The results including mean, median, standard deviation and range are shown in Table 2. All direct measurements were less than the DCGL. None of the measurements indicated areas of elevated activity.
Survey activity ranged from 1917 to 92283 dpm/100 cm2, based on the pipe detector efficiency.
Table 2. Direct Measurement Results Measurement ID Gross Activity (dpm/100 cm F8990422-MOOOIGI 8717 F8990422-MOO02GI 6647 F8990422-MOO03GI 5845 F8990422-MOO04GI 4993 F8990422-MOO05GI 5307 F8990422-MOO06GI 7706 F8990422-MOO07GI 7005 F8990422-MOO08GI 4588 F8990422-MOO09GI 4129 F8990422-MOOlOGI 4321 F8990422-MOO11GI 4447 F8990422-MOO12GI 4184 F8990422-MOO13GI 4270 F8990422-MOO14GI 4866 F8990422-MOO15GI 4350 F8990422-MOO16GI 4241 F8990422-MOO17GI 4603 F8990422-MOO18GI 4306 F8990422-MOO19GI 4129 F8990422-M0020GI 4874 F8990422-MOO21GI.
4397 F8990422-M0022GI 4762 F8990422-M0023GI
.4191 F8990422-M0024GI 5466 F8990422-M0025GI 7962 F8990422-M0026GI 4191 F8990422-M0027GI 4165 F8990422-M0028GI 4939 F8990422-M0029GI 4523 F8990422-MOO30GI 4751 F8990422-MOO31GI 4711 F8990422-M0032GI 4426 F8990422-M0033GI 4281 F8990422-M0034GI 4624 F8990422-M0035GI 4458 F8990422-M0036GI 4660 F8990422-M0037GI 4097 F8990422-M0038GI 5983 F8990422-M0039GI 4671 F8990422-MOO40GI 5441 Page 4 of 19 FSS Summary Report F8990422
F8990422-M0041GI 5300 F8990422-M0042GI 6239 F8990422-M0043GI 4725 F8990422-M0044GI 5271 F8990422-M0045GI 5452 F8990422-M0046GI 4436 F8990422-M0047GI 4599 F8990422-M0048GI 4447 F8990422-M0049GI 5329 F8990422-MOO50GI 8219 F8990422-MOO51GI 8020 F8990422-M0052GI 7110 F8990422-M0053GI 4668 F8990422-M0054GI 4050 F8990422-M0055GI 4523 F8990422-M0056GI 4220 F8990422-M0057GI 5242 F8990422-M0058GI 4751 F8990422-M0059GI 4314 F8990422-MOO60GI 4072 F8990422-MOO61GI 4053 F8990422-M0062GI 4650 F8990422-MO139GI 6633 F8990422-MO140GI 4527 F8990422-MO141GI 4512 F8990422-M0142GI 4733 F8990422-M0143GI 5101 F8990422-MO144GI 4541 F8990422-M0145GI 4754 F8990422-M0146GI 5112 F8990422-M0147GI 4819 F8990422-M0148GI 4411 F8990422-M0149GI 4613 F8990422-MO150GI 4996 F8990422-MO151GI 4151 F8990422-M0152GI 4501 F8990422-M0153GI 4267 F8990422-MO154GI 4173 F8990422-MO155GI 4371 F8990422-MO156GI 4440 F8990422-M0157GI 4111 F8990422-M0158GI 4595 F8990422-M0159GI 4415 F8990422-MO160GI 4444 F8990422-MO161GI 4158 F8990422-M0162GI 4743 F8990422-M0163GI 4422 F8990422-MO164G1 3866 F8990422-MO165GI 4436 F8990422-M0166GI 4241 F8990422-M0167GI 4487 F8990422-M0168GI 4736 F8990422-M0169GI 4350 F8990422-MO170GI 4140 F8990422-MO171GI 4281 F8990422-M0172GI 4743 Page 5 of 19 FSS Summary Report F8990422
F8990422-MO173GI 4184 F8990422-MO174GI 4046 F8990422-MO175GI
.3884 F8990422-M0176GI 3905 F8990422-M0177GI 4285 F8990422-M0178GI 3819 F8990422-M0179GI 4342 F8990422-MO180GI 4155.
F8990422-MO181GI 4426 F8990422-M0182GI 4151 F8990422-M0183GI 5354 F8990422-MO184GI 4917 F8990422-MO185GI 4238 F8990422-M0186GI 4570 F8990422-M0187GI 3873 F8990422-M0188GI 4483 F8990422-MO189GI 45448 F8990422-MO190GI 6409 F8990422-MO191GI 4845 F8990422-M0192GI 4111 F8990422-M0193GI 4675 F8990422-M0194GI 4693 F8990422-M0195GI 4371 F8990422-M0196GI 4379-F8990422-M0197GI 4574 F8990422-MO198GI 4566 F8990422-M0199GI 4176 F8990422-MO200GI 4386 F8990422-MO201GI 4202 F8990422-M0202GI 4527 F8990422-M0203GI 4411 F8990422-M0204GI 4827 F8990422-M0205GI 4527 F8990422-M0206GI 4715 F8990422-M0207GI 4758 F8990422-M0208GI 4621 F8990422-M0209GI 4610 F8990422-MO210GI 4212 F8990422-M0211GI 4588 F8990422-M0212GI 4339 F8990422-M0213GI 4100 F8990422-M0214GI 4375 F8990422-M0215GI 4220 F8990422-M0216GI 4252 F8990422-M0217GI 3909 F8990422-M0218GI
.4118 F8990422-M0219GI 4462 F8990422-M0220GI 4368 F8990422-M0221GI 4184 F8990422-M0222GI 4249 F8990422-M0223GI 4462 F8990422-M0224GI 5166 F8990422-M0225GI 5329 F8990422-M0226GI 5231 F8990422-M0227GI 4361 F8990422-M0228GI 4852 Page 6 of 19 FSS Summary Report F8990422
F8990422-M0229GI 4025 F8990422-M0230GI 4397 F8990422-M0231GI 4628 F8990422-M0232GI 4888 F8990422-M0233GI 5123 F8990422-M0234GI 4946 F8990422-M0235GI 4772 F8990422-M0236GI 4440 F8990422-M0237GI 4440 F8990422-M0238GI 4473 F8990422-M0239GI 4202 F8990422-M0240GI 4267 F8990422-M0241GI 4548 F8990422-M0242GI 4263 F8990422-M0243GI 4025 F8990422-M0244GI 4559 F8990422-M0245GI 3952 F8990422-M0246GI 4007 F8990422-M0247GI 4382 F8990422-M0248GI 4299 F8990422-M0249GI 4429 F8990422-M0250GI 4118 F8990422-M0251GI 4310 F8990422-M0252GI 4180 F8990422-M0253GI 4921 F8990422-M0254GI 5791 F8990422-M0255GI 4751 F8990422-M0256GI
.4733 F8990422-M0257GI 4624 F8990422-M0258GI 4610 F8990422-M0259GI.
4935 F8990422-M0260GI 4986 F8990422-M0261GI 6431 F8990422-M0262GI 4467 F8990422-M0263GI 4853 F8990422-M0264GI 3320 F8990422-M0265GI 3724 F8990422-M0266GI 2534 F8990422-M0267GI 2400 F8990422-M0268GI 2319 F8990422-M0269GI 2291 F8990422-M0270GI 2403 F8990422-M0271GI 2400 F8990422-M0272GI 2248 F8990422-M0273GI 2101 F8990422-M0274GI 2319 F8990422-M0275GI 14820 F8990422-M0276GI 4672 F8990422-M0277GI 2749 F8990422-M0278GI 2463 F8990422-M0279GI 3376 F8990422-M0280GI 2562 F8990422-M0281GI 2448 F8990422-M0282GI 2353 F8990422-M0283GI 2269 F8990422-M0284GI 2336 Page 7 of 19 FSS Summary Report F8990422
F8990422-M0285GI 2282 F8990422-M0286GI 2487 F8990422-M0287GI 2381 F8990422-M0288GI 4622 F8990422-M0289GI 2629 F8990422-M0290GI 2850 F8990422-M0291GI 2551 F8990422-M0292GI 2243 F8990422-M0293GI 2241 F8990422-M0294GI 2166 F8990422-M0295GI 2179 F8990422-M0296GI 2138 F8990422-M0297GI 2220 F8990422-M0298GI 2080 F8990422-M0299G1 2092 F8990422-MO300GI 2620 F8990422-MO301GI 2433 F8990422-M0302GI 2142 F8990422-M0303GI 2401 F8990422-M0304GI 2474 F8990422-M0305GI 3085 F8990422-M0306GI 5303 F8990422-M0307GI 6621 F8990422-MO308GI 9636 F8990422-M0309GI 9877 F8990422-MO310GI 9816 F8990422-M0311GI 9332 F8990422-M0312GI 8833 F8990422-M0313GI 8838 F8990422-M0314GI 8095 F8990422-M0315GI 6500 F8990422-M0316GI 5522 F8990422-M0317GI 3882 F8990422-M0318GI 3624 F8990422-M0319GI 4220 F8990422-M0320GI 4617 F8990422-M0321GI 6435 F8990422-M0322GI 7577 F8990422-M0323GI 8676 F8990422-M0324GI 8223 F8990422-M0325GI 7147 F8990422-M0326GI 9225 F8990422-M0327GI 10256 F8990422-M0328GI 6287 F8990422-M0329GI 4354 F8990422-M0330GI 4056 F8990422-M0331GI 4227 F8990422-M0332GI 4893 F8990422-M0333GI 6054 F8990422-M0334GI 6325 F8990422-M0335GI 9140 F8990422-M0336GI 13181 F8990422-M0337GI 13589 F8990422-M0338GI 11479 F8990422-M0339GI 8421 F8990422-M0340GI 8498 Page 8 of 19 FSS Summary Report F8990422
F8990422-M0341GI 10456 F8990422-M0342GI 10750 F8990422-M0343GI 10579 F8990422-M0344GI 7787 F8990422-M0345GI 7995 F8990422-M0346GI 8259 F8990422-M0347GI 9657 F8990422-M0348GI 11492 F8990422-M0349GI 10878 F8990422-M0350GI 10392 F8990422-M0351GI 11913 F8990422-M0352GI 11089 F8990422-M0353GI 12005 F8990422-M0353GI 11450 F8990422-M0354GI 11055 F8990422-M0355GI 10556 F8990422-M0356GI 12201 F8990422-M0357GI 12957 F8990422-M0358GI 10771 F8990422-M0359GI 9343 F8990422-M0360GI 12074 F8990422-M0361GI 15413 F8990422-M0362GI 12112 F8990422-M0363GI 9816 F8990422-M0364GI 7938 F8990422-M0365GI 6188 F8990422-M0366GI 5094 F8990422-M0367GI 3926 F8990422-M0368GI 3380 F8990422-M0369GI 3053 F8990422-M0370GI 2858
.F8990422-M0371GI 3260 F8990422-M0372GI 3724 F8990422-M0373GI 6114 F8990422-M0374GI 5370 F8990422-M0375GI 7073 F8990422-M0376GI 5391 F8990422-M0377GI 5459 F8990422-M0378GI 5420 F8990422-M0379GI 3623 F8990422-M0380GI 3629 F8990422-M0381GI 3493 F8990422-M0382GI 3452 F8990422-M0383GI 3459 F8990422-M0384GI 2676 F8990422-M0385GI 2961 F8990422-M0386GI 5030 F8990422-M0387GI 5741 F8990422-M0388GI 7800 F8990422-M0389GI 8400 F8990422-M0390GI 6395 F8990422-M0391GI 4848 F8990422-M0392GI 4892 F8990422-M0393GI 4491 F8990422-M0394GI 4866 F8990422-M0395GI 4837 Page 9 of 19 FSS Summary Report F8990422
F8990422-M0396GI 5437
.F8990422-M0397GI 5188 F8990422-M0398GI 5058 F8990422-M0399GI 4848 F8990422-MO400GI 5444 F8990422-M0401GI 5802 F8990422-M0402GI 5585 F8990422-M0403GI 5509 F8990422-M0404GI 6008 F8990422-M0405GI 5679 F8990422-M0406GI 5932 F8990422-M0407GI 5957 F8990422-M0408GI 6069 F8990422-M0409GI 6922 F8990422-MO410GI 4819 F8990422-M0411GI 4292 F8990422-M0412GI 4375 F8990422-M0413GI 4527 F8990422-M0414GI 4288 F8990422-M0415GI 4476 F8990422-M0416GI 4783 F8990422-M0417GI 4632 F8990422-M0418GI 4371 F8990422-M0419GI 4650 F8990422-M0420GI 6546 F8990422-M0421GI 5878 F8990422-M0422GI 5647 F8990422-M0423GI 8277 F8990422-M0424GI 7475 F8990422-M0425GI 4418 F8990422-M0426GI 4332 F8990422-M0427GI 4079 F8990422-M0428GI 3811 F8990422-M0429GI 4100 F8990422-M0430GI 4451 F8990422-M0431GI 4198 F8990422-M0432GI 4541 F8990422-M0433GI 4285 F8990422-M0434GI 4389 F8990422-M0435GI 3913 F8990422-M0436GI 3999 F8990422-M0437GI 4433 F8990422-M0438GI 3920 F8990422-M0439GI 4512 F8990422-M0440GI 4397 F8990422-M0441GI 4469 F8990422-M0442GI 4556 F8990422-M0443GI 4256 F8990422-M0444GI 4104 F8990422-M0445GI 4147 F8990422-M0446GI 4122 F8990422-M0447GI 4007 F8990422-M0448GI 4317 F8990422-M0449GI 4194 F8990422-M0450GI 4444 F8990422-M0451GI 5560 Page 10 of 19 FSS Summary Report F8990422
F8990422-M0452GI 4917 F8990422-M0453GI 4436 F8990422-M0454GI 4462 F8990422-M0455GI 4863 F8990422-M0456GI 4754 F8990422-M0457GI 4209 F8990422-M0458GI 5014 F8990422-M0459GI 4700 F8990422-M0460GI 4538 F8990422-M0461GI 5119 F8990422-M0462GI 5437 F8990422-M0463GI 5462 F8990422-M0464GI 5665 F8990422-M0465GI 6507 F8990422-M0466GI 4884 F8990422-M0467GI 4664 F8990422-M0468GI 5343 F8990422-M0469GI 6225 F8990422-M0470GI 5831 F8990422-M0471GI 5007 F8990422-M0472GI 11181 F8990422-M0473GI 5462 F8990422-M0474GI 6102 F8990422-M0475GI 9292 F8990422-M0476GI 5264 F8990422-M0477GI 5983 F8990422-M0478GI 4660 F8990422-M0479GI 6297 F8990422-M0480GI 5766 F8990422-M0481GI 4935 F8990422-M0482GI 4910 F8990422-M0483GI 5448 F8990422-M0484GI 5694 F8990422-M0485GI 8692 F8990422-M0486GI 7554 F8990422-M0487GI 7655 F8990422-M0488GI 7103 F8990422-M0489GI 5462 F8990422-M0490GI 4765 F8990422-M0491GI 5043 F8990422-M0492GI 4429 F8990422-M0493GI 4624 F8990422-M0494GI 4982 F8990422-M0495GI 6694 F8990422-M0496GI 7095 F8990422-M0497GI 5658 F8990422-M0498GI 5939 F8990422-M0499GI 5983 F8990422-MO500GI 5296 F8990422-MO501GI 5300 F8990422-M0502GI 3428 F8990422-M0503GI 2225 F8990422-M0504GI 2324 F8990422-M0505GI 3433 F8990422-M0506GI 2259 F8990422-M0507GI 2176 Page I11 of i 9 FSS Summary Report F8990422
F8990422-M0508GI 2003 F8990422-M0509GI 1968 F8990422-MO510GI 1999 F8990422-MO511GI 1981 F8990422-M0512GI 1917 F8990422-M0513GI 1966 F8990422-M0514GI 2033 F8990422-M0515GI 2040 F8990422-M0516GI 2195 F8990422-M0517GI 2085 F8990422-M0518GI 2109 F8990422-M0519GI 2045 F8990422-M0520GI 2064 F8990422-M0521GI 2044 F8990422-M0522GI 2079 F8990422-M0523GI 2231 F8990422-M0524GI 2913 F8990422-M0525GI 2307 F8990422-M0526GI 2676 F8990422-M0527GI 2633 F8990422-M0528GI 2424 F8990422-M0529GI 2309 F8990422-M0530GI 2870 F8990422-M0531GI 3587 F8990422-M0532GI 3842 F8990422-M0533GI 2278 F8990422-M0534GI 2172 F8990422-M0535GI 2142 F8990422-M0536GI 2192 F8990422-M0537GI 2215 F8990422-M0538GI 2174 F8990422-M0539GI 2085 F8990422-M0540GI 2158 F8990422-M0541GI 2147 F8990422-M0542GI 2124 F8990422-M0543GI 2210 F8990422-M0544GI 2212 F8990422-M0545GI 2214 F8990422-M0546GI 2145 F8990422-M0547GI 2190 F8990422-M0548GI 2209 F8990422-M0549GI 2171 F8990422-M0550GI 2322 F8990422-M0551GI 2210 F8990422-M0552GI 2322 F8990422-M0553GI 2313 F8990422-M0554GI 2478 F8990422-M0555GI 2529 F8990422-M0556GI 2815 F8990422-M0557GI 3088 F8990422-M0558GI 3089 F8990422-M0559GI 3072 F8990422-M0560GI 3066 F8990422-M0561GI 3023 F8990422-M0562GI 2847 F8990422-M0563GI 2649 Page 12 of 19 FSS Summary Report F8990422
F8990422-M0564GI 2541 F8990422-M0565GI 2640 F8990422-M0566GI 2671 F8990422-M0567GI 2779 F8990422-M0568GI 2504 F8990422-M0569GI 2322 F8990422-M0570GI 2296 F8990422-M0571GI 2399 F8990422-M0572GI 2415 F8990422-M0573GI 2423 F8990422-M0574GI 2496 F8990422-M0575GI 31577 F8990422-M0576GI 35359 F8990422-M0577GI 28261 F8990422-M0578GI 19853 F8990422-M0579GI 13276 F8990422-M0580GI 10100 F8990422-M0581GI 8213 F8990422-M0582GI 7895 F8990422-M0583GI 8613 F8990422-M0584GI 6578 F8990422-M0585GI 6060 F8990422-M0586GI 5680 F8990422-M0587GI 5472 F8990422-M0588GI 5643 F8990422-M0589GI 6188 F8990422-M0590GI 6655 F8990422-M0591GI 7166 F8990422-M0592GI 9228 F8990422-M0593GI 10357 F8990422-M0594GI 8988 F8990422-M0595GI 7499 F8990422-M0596GI 7796 F8990422-M0597GI 8432 F8990422-M0598GI 9889 F8990422-M0599GI 12604 F8990422-MO600GI 9556 F8990422-MO601GI 9171 F8990422-M0602GI 11041 F8990422-M0603GI 13299 F8990422-M0604GI 12170 F8990422-M0605GI 11129 F8990422-M0606GI 9529 F8990422-M0607GI 7580 F8990422-M0608GI 6573 F8990422-M0609GI 7747 F8990422-MO610GI 12904 F8990422-M0611GI 14885 F8990422-M0612GI 8926 F8990422-M0613GI 6639 F8990422-M0614GI 4653 F8990422-M0615GI 4427 F8990422-M0616GI 4311 F8990422-M0617GI 4562 F8990422-M0618GI 4386 F8990422-M0619GI 3700 Page 13 of 19 FSS Summary Report F8990422
F8990422-M0620GI 3715 F8990422-M0621GI 3909 F8990422-M0622GI 4157 F8990422-M0623GI 3778 F8990422-M0624GI 3631 F8990422-M0625GI 3768 F8990422-M0626GI 3709 F8990422-M0627GI 3646 F8990422-M0628GI 3635 F8990422-M0629GI 3626 F8990422-M0630GI 3615 F8990422-M0631GI 3583 F8990422-M0632GI 4099 F8990422-M0633GI 5096 F8990422-M0634GI 5409 F8990422-M0635GI 6225 F8990422-M0636GI 7244 F8990422-M0637GI 7557 F8990422-M0638GI 6919 F8990422-M0639GI 6045 F8990422-M0640GI 5532 F8990422-M0641GI 5538 F8990422-M0642GI 5566 F8990422-M0643GI 5994 F8990422-M0644GI 6369 F8990422-M0645GI 7137 F8990422-M0646GI 9009 F8990422-M0647GI 22988 F8990422-M0648GI 92283 F8990422-M0649GI 50321 F8990422-M0650GI 41812 F8990422-M0651GI 47497 F8990422-M0658GI 4194 F8990422-M0659GI 4057 F8990422-M0660GI 4241 F8990422-M0661GI 4487 F8990422-M0662GI 4245 F8990422-M0663GI 4397 F8990422-M0664GI 4436 F8990422-M0665G1 3913 F8990422-M0666GI 4245 F8990422-M0667GI 4259 F8990422-M0668GI 4751 F8990422-M0669GI 4408 F8990422-M0670GI 5210 F8990422-M0671GI 5401 F8990422-M0672GI 4819 F8990422-M0673GI 5755 F8990422-M0674GI 21788 F8990422-M0675GI 4606 F8990422-M0676GI 4552 F8990422-M0677GI 4010 F8990422-M0678GI 4202 F8990422-M0683GI 4227 F8990422-M0684GI 4603 F8990422-M0685GI 4429 Page 14 of 19 FSS Summary Report F8990422
F8990422-M0686GI
ý3970 F8990422-M0687GI 3808 F8990422-M0688GI 4556 F8990422-M0689GI 4404 F8990422-M0690GI 4350 F8990422-M0691GI 4249 F8990422-M0692GI 4147 F8990422-M0693GI 3790 F8990422-M0694GI 4035 F8990422-M0695GI 4223 F8990422-M0696GI 4888 F8990422-M0697GI 4263 F8990422-M0698GI 4144 F8990422-M0699GI 4780 F8990422-M0716GI 11467 F8990422-M0717GI 5948 F8990422-M0718GI 4170 F8990422-M0719GI 2806 F8990422-MO720GI 2588 F8990422-M0721 GI 2290 F8990422-M0722GI 2345 F8990422-M0723GI 2621 F8990422-M0724GI 2961 F8990422-M0725GI 4280 F8990422-M0726GI 5764 F8990422-M0727GI 7708 F8990422-M0728GI 8510 F8990422-M0729GI 9077 F8990422-M0730GI 9158 F8990422-M0731GI 8000 F8990422-M0732GI 6938 F8990422-M0733GI 6544 F8990422-M0734GI 6454 F8990422-M0735GI 5905 F8990422-M0736GI 7453 F8990422-M0737GI 6808 F8990422-M0738GI 6317 F8990422-M0739GI 5725 F8990422-M0740GI 5895 F8990422-M0741GI 6040 F8990422-M0742GI 6099 F8990422-M0743GI 6320 F8990422-M0744GI 6558 F8990422-M0745GI 7027 F8990422-M0746GI 7191 F8990422-M0747GI 6980 F8990422-M0748GI 7551 F8990422-M0749GI 7420 F8990422-M0750GI 7077 F8990422-M0751GI 6991 F8990422-M0752GI 6954 F8990422-M0753GI 7152 F8990422-M0754GI 7198 F8990422-M0755GI 6923 F8990422-M0756GI 6323 F8990422-M0757GI 6028 Page 15 of 19 FSS Summary Report F8990422
F8990422-M0758GI F8990422-M0759GI F8990422-M0760GI F8990422-M0761GI F8990422-M0762GI F8990422-M0763GI F8990422-M0764GI F8990422-M0765GI F8990422-M0766GI F8990422-M0767GI F8990422-M0768GI F8990422-M0769GI F8990422-M0770GI F8990422-M0771GI F8990422-M0772GI F8990422-M0773GI F8990422-M0774GI F8990422-M0775GI F8990422-M0776GI F8990422-M0777GI F8990422-M0778GI F8990422-M0779GI F8990422-M0780GI F8990422-M0781GI F8990422-M0782GI F8990422-M0783GI F8990422-M0784GI F8990422-M0785GI F8990422-M0786GI F8990422-M0787GI F8990422-M0788GI F8990422-M0789GI F8990422-M0790GI F8990422-M0791GI F8990422-M0792GI F8990422-M0793GI F8990422-M0794GI F8990422-M0795GI F8990422-M0796GI F8990422-M0797GI Mean:
Median:
Standard Deviation:
Ranqe:
5249 5219 5160 5519 5347 5218 5461 5573 5668 5883 5740 6429 6389 6509 5395 4384 4141 4032 4013 3530 3810 4229 3394 3261 3191 3177 3254 3495 3984 4109 4223 4259 4595 4963 9875 8597 5600 5611 10195 10398 5692 4588 5482 1917-92283 Page 16 of 19 FSS Summary Report F8990422
Survey Unit Data Assessment:
The survey design required 696 direct measurements for the Sign Test. The critical value and the results of the Sign Test are presented in Table 4. The sample mean and median values were less than the DCGL. The sample standard deviation was less than the design standard deviation so no additional samples were required.
Page 17 of 19 FSS Summary Report F8990422
Table 4. Data Assessment Results Survey Results Parameter Value Comment Material Background Used (dpm/100 cm2):
N/A Ambient Background Used (dpm/100 cm2):
N/A Average Ambient BKG = 0 Actual Direct Measurements (N):
696 Median (dpm/100 cm 2):
4588 Mean (dpm/100 cm2):
5692 Direct Measurement Standard Deviation 5482 (dpm/100 cm 2):
Total Standard Deviation (dpm/100 cm 2):
5482 Based on samples and backgrounds.
Maximum (dpm/100 cm 2):
92283 Material Type:
N/A Background Subtract Not Applied Sign Test Final N Value:
696 S+ Value:
696 Critical Value:
370 Sufficient Samples Collected:
Yes Maximum Value < DCGL:
Yes Median Value < DCGL:
Yes Mean Value < DCGL:
Yes Maximum Value < DCGLemc:
Yes Class 1 Total Standard Deviation <= Sigma:
Yes.
Pass the Sign Test?
Yes Reject the Null Hypothesis?
Yes Does the Survey Unit Pass All Criteria?
Yes Page 18 of 19 FSS Summary Report F8990422
Survey Unit Investigations and Results:
No investigations were required and no investigation results are reported.
ALARA Statement:
As stated in Chapter 4 of the LTP, as long as the residual activity within the survey unit is less than the DCGL (i.e. the survey unit average activity is less than the DCGL and the EMC criterion has been met), the ALARA criterion has been met.
Changes in Initial Survey Unit Assumptions:
The survey unit was designed as a Class 1 structure survey and the sample results are consistent with that classification. The variability of the survey results was less than the characterization data used for survey design. No potential areas of elevated activity were detected.
==
Conclusion:==
The FSS of this survey unit was properly designed as a Class 1 survey based on Table 5-4 of the LTP. The required number of direct measurements was made and the scan coverage met the requirement of the LTP for pipe surveys. No direct measurements exceeded the DCGL of 100000 dpm/100 cm 2. No investigations were required.
The direct measurement data support rejection of the null hypothesis, providing high confidence that the survey unit satisfied the release criteria and that the data quality objectives were met.
It is concluded that survey unit F8990422 meets the release criteria of 1 OCFR20.1402.
Page 19 of 19 FSS Summary Report F8990422 Maps May 28, 2008 Survey Unit F8990422
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.2 800 750 700 650 600 550 500 450 400 350 300 250 200 150 100 50 0
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Bins - Upper End Value (dpm/1 00cm2)