ML20073B048

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Radiological Environ Operating Rept for 1990,Fort Calhoun Station
ML20073B048
Person / Time
Site: Fort Calhoun Omaha Public Power District icon.png
Issue date: 12/31/1990
From: Gates W
OMAHA PUBLIC POWER DISTRICT
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
LIC-91-149R, NUDOCS 9104230490
Download: ML20073B048 (48)
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Omaha Public Power District 444 South 16th Street Mall Ornaha. Nebraska 68102-2247 402/636-2000 April 19, 1991 LIC-91-149R V. S. Nuclear Regulatory Commission Attn: Document Control Desk Mail Station Pl-137 Washington, DC 20555

Reference:

Docket No. 50 285 Gentlemen:

SUBJECT:

Radiological Environmental Operating Report for 1990 In accordance with Fort Calhoun Staticn Technical specification 5.9.4.b, Omaha Public Power District is providing the Radiological Environmental Operating Report. Please find enclosed one copy of this report containing data taken in accordance with this Technical Specification and the Offsite Dose Calculation Manual for the period from January 1, 1990 through December 31, 1990.

If you should have any questions, please contact me.

Sincerely, l

w. 2. b W. G. Gates Division Manager Nuclear Operations WGG/sel Attachment c: LeBoeuf, Lamb, Leiby & MacRae R. D. Martin, NRC Regional Administrator, Region IV l W. C. Walker, NRC Project Manager l R. P. Mullikin, NRC Senior Resident inspector American Nuclear Insurers Marinea Mehrhoff, University of Iowa 1

9104230490 901231 PDR ADOCK 05000285 R PDR 45 s124 Empkymt t l ogutsty c.J.13o -

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1 ENVIRONMENTAL MONITORING TECHNICAL SPECIFICATION (5.9.4.b)

January 1,1990 to December 31, 1990 April 1991 - Page 1

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5.9.4.b Radioloaical Environmental Operatina Report

1. The number of sample locations, sample collection frequency and the number of samples collected this period for each class sample are delineated in Table 1.
2. A statistical evaluation of the program findings is presented in Table 2. For each type of analysis of each sampled medium, this Table considers separately all indicator locations, all control locations, and the location with the highest annual mean result.

For each of these classes, the Table specified the following:

A. The total number of analyses.

B. The fraction of these yielding detectable results. (i.e.,

Results above the highest lower limit of detection for the period).

C. The average, lowest, and highest results.

The distance and direction relative to the Reactor Containment 4 Building are specified for the location with the highest annual mean.

3. Results obtained show background levels of radioactivity in the environmental samples collected in 1990. Tritium was detected in one surface water composite sample collected at OSW-B, 0.5 miles downstream from the plant (891 pCi/1 or 8.91E-07 gC1/mf). Re-evaluation confirms this presence. However, this amount is less than the 10 CFR 20 limit of 3E-03 pC1/mf at the unrestricted area boundary for tritium.

No station effect on the environment was indicated.

4. Table 3 is a listing of missed samples.
5. Table 4 is the land use survey for 1990. The vegetation parameter was added to the survey program-for-1990.
6. Appendix A contains a description of the Interlaboratory Compari-son Program Results.
7. The-limits of Technical Specification 2.1.3 wert not exceeded by
the primary coolant during the reporting period.

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April 1991 Page 2 ,

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TABLE 1 Environmental Sample Collection Proaram Number of Number of Samples Collection Sample Collected-Sample Class Frequency Locations This Period ,

Background Radiation (TLDs) Quarterly Eleven (11) 44 1

Air Particulates Weekly Five (5) 256 l

Airborne lodine Weekly Five (5) 256 Milk Semimonthly Three (3) 27 l 1

Surface Water Monthly Three (3) 36 Fish Annually Two (2) 10 Mud and Silt Semiannually One (1) 2 Food Crops Annually Four (4) 12 TOTAL 643 l

April 1991 Page 3

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20 Table 2.0, Radiological Environmental Manttoring Program Sumary.

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C Name of Facility Fort Calhoun Nuclear Fower Station - Unit 1 Docket No. 50-285 e_. Location of Facility Washington. hebraska Reporting Period January - Decer'ber,199G S (County State) e s

Indicator Location with Highest Control Sample Type and Locations Annual Mean Locations FOrter of Type fbmber of Mean (F)C Heen U )G Mean (F)C Mon-routine (Units) Analysesa Ltob Range C Locationd gang,c Ranget Results*

Background Gaevna 44 0.5 1.6 (40/40) 0FA, Onsite 1.8 (4/4) 1.8 (4/4) 0 Radiation (TLD) (1.1-2.0) Station ho. 1 (1.6-2.0) (1.6-2.0)

(mR/ week ) ,

OFE. E.O.F. 81dg. 1.8 (4/4) 17.5 et SE of (1.6-2.0)  ;

Reactor

0FJ, 0.7 mi of 1.8 (4/4)

Plant (1.6-2.0)

Airborne G8 256 0.01 0.019 (200/205) CAJ. E.O.F. Bldg. 0.021 (46/51) 0.021 (48/51) O Particulates (0.006-0.052) 17.5 mi SE of (0.008-0.043) (0.008-0.043)

(pCi/m3) Reactor GS 20 i Cs-134 0.007 <tLO - -

<tLD 0 t

Cs-237 0.010 <tLD - -

<tLO O  ;

Other gammas 0.010 <tLD - -

<ttis 0 Airborne 1-131 256 0.079 <tLD - -

<tLD 0 todine (pCi/m3)

Hilk , Fresh I-131 21 0.5 <tLD - - <tLD 0 (pCf/L)  ;

, G5 21 i K-40 150 1220 (16/16) 0-19. Flynn Dairy 1280 (11/11) 1260 (11/11) 0 (990-1490) 0.8 mi 9 206* (1090-1490) (1050-1470)

Cs-134 15 <LLD - -

<tLD 0 Cs-137 15 <tLD - -

<tLD 0

]

to Other gammas 15 <tLD - -

ALD 0  !

e O

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> Tabh , O **diological Environmental Monitoring Program sumary (coctinued) 7 1

w Fort Calhoun Nuclear Power Station - Unit 1 Docket ho. 50-285 Name t i facility

- Location of Facility Washington. hebraska Reporting Period January - Deterber.1990 m (County. Stat e) 4 Indicator Location with Highest Control Sample Type and Locations Annual Mean Loc.ations fUriber of Type Paniber of Mean (F)C Heen (F)' Mean (F)C ren-routine (Units) Analyses 8 LLDb Range C Locationd gang ,c pange t Eesults' Surf ace kater G5 ' '6 (PCi/L)

Cs-134 .' *LLD - -

<LL D 0 C5-l', ' 18 <tLD - -

<tLD 0 Other Gamma 15 <tLO - -

<LLD 0 H-3 12 300 891 (1/4) 05W-B. Dovestrean 891 (1/4) <t LD 0 t l 0.5 mi 9 106* I Fish G5 10 t

) (pCi/g wet) j Mn-54 0.028 <tLO - -

4LD 0 Co-58 0.035 <LLD - -

<tLD 0 <

l Co-60 0.031 410 - -

<tLD 0 Zn-65 0.074 <LLD - -

<tLD 0 Cs-134 0.025 4LD - -

<tLD 0 Cs-137 0.032 <tLD - -

<tLD C Other Cacimasi 0.028 <LLD - -

<tLD 0 Mud and Silt GS 2 (pci/g dry)  !

Cs-134 0.044 <tLD - - None 0 r

, Cs-137 0.041 0.10 (2/2) 0-13. Downstream 0.10 (2/2) None 0  ;

, (0.011-0.18) 0.5 mi 9 106* (0.011-0.18)  ;

,7 Other Gammas 0.061 <tLD - - hone O c -

< <D

(.#t 4

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Table 2.0. Radiological invironmental Monitoring Program Seenary (continued) ,

5 to Name of Facility fort Calhoun Nuclear Power Station - Unit 1 Docket tb . 50-285 w Location of Facility Washington. hebraska Reporting Period ' January - Deceder.1990 (County. State) i b

Indicator tocation with liighest' Control Sample Type and Locations Annual Mean Locations rbeber et Type fbeber of Mean (F)C Mean (F)c Mean (f)C ren-revi t ne  !

(Units ) Analysesa ttob RangeC Locationd Rangec Rangec Resslts' i

Food Crops' GS 12 (PCf/g meet) >

Hn-54 0.034 <LLD - -

<tLD 'O .

5

..Co-58 0.034 <tt 0 - -

<tLD 0 ,

Co-60 0.033 <1LD - -

<LLD 0 Fe-59 0.11 <LLD - -

<tLD 0 t

Z n-65 0.018 <t LD - -

<tLD 0 Z r-ftb-95 0.063 <tLD - -

<tLD 0 Cs'-134 0.030' '<tLD - -

<tLD 0 Cs-137 0.036 <LLD ' - -

<tLD 0 Ba-La-140 0.054 <tLD - -

(LLD 0 a cs . Gross beta; GS = ganea scan.

b LLD = Lower limit of detection (based on a 95% confidence level.) ,

c Hean and range are based on detectable seawrenents 091y (f.e.. >LLD). Fraction of detectable measurements at spact fled locations fs indicated in parentheses (F).

d Locations are speciffed: (1) by code. (2) by name and (3) by distance and direction relative to Reactor Contairment Building.

  • Non-routfpe results are those which exceed ten times the control station value. If no control station value is available. 'he result is considered non-routine f f it exceeds ten times the typfcal pre-operational value for the medlem or location.

l f Value given is for Ru-lG3.

9 Seven results (0.096. 0.85. 0.085. 0.53.1.89. 0.073, and 0.22) are escluded from the determination of LLD. They resulted from low volume.

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> as 10 m

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TABLE 3.0 Listina of Missed Samp1qi Expected Collection Sample Type location Date Reason Air Particulate / OAH 02-07-90 Unit out of service for Air Iodine maintenance.

Air Particulate / OAF 07-11-90 Unit out of service for Air lodine maintenance.

Air Particulate / OAG 08-29-90 Unit out of service for Air lodine maintenance.

Air Particulate / OAJ 11-07-90 Unit out of service for Air lodine maintenance.

Surface Water OSW-C January 1990 Due to adverse ice weather con-(125' Composite conditions, this sample was upstream Sample for collected at an alternative

, of Plant surface water. location. The location was Intake the City of Blair Water Treat-Structure) ment Plant located 3.0 miles north of the Fort Calhour, Station. This deviation from the routine did not reduce the effectiveness of the pro-program.

April 1991 Page 7

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TABLE 4 Environmental Land Use Survey Owner's Counting Sec. Type of Use Name Dist./ Azimuth Technique Remarks A Residence M. Timm 7376 mtrs/349*30' Interview Milk, Animal None N/A N/A Vegetation None N/A N/A B Residence J. Rand 3085 mtrs/ll*35' PLAT Map Milk, Animal None N/A N/A Vegetation W. E. Adams 6173 mtrs/31*00' Interview C Residence J. Robbins 2454 mtrs/41'10' PLAT Map Milk, Animal None N/A N/A

Vegetation C. Salter 5438 mtrs/45*00' PLAT MAP D Residence G. Meade 7759 mtrs/64'00' PLAT Map Milk, Animal None N/A N/A Vegetation G. Meade 7759 mtrs/64*00' PLAT Map E Residence T. Crispin 7549 mtrs/89 00' PLAT Map Milk, Animal None N/A N/A Vegetation C. Jones 7955 mtrs/89*00' PLAT Map F Residence J. Seitz 6753 mtrs/121*10' Interview Milk, Animal None N/A N/A Vegetation None N/A N/A G Residence J. Welchert 2723 mtrs/138*00' PLAT Map Milk, Animal None N/A N/A Vegetation J. Welchert 2723 mtrs/138*00' PLAT Map H Residence A. Pechnik 1437 mtrs/164*45' PLAT Map Milk, Animal None N/A N/A Vegetation A. Pechnik 1437 mtrs/164*45' PLAT MAP J Residence E. Ellis 1189mtrs/180*15' Interview Milk, Animal C. Seltz 4445 mtrs/168*50' Interview Location added to Vegetation W. Dein 3218 mtrs/189*45' PLAT Map K Residence D. Axtell 1054 mtrs/204 20' Interview Milk, Animal None N/A N/A Vegetation N. Legenhausen 1074 mtrs/206*30' Interview L Residence R. Whittle 1205 mtrs/232*45' PLAT Map Milk, Animal None N/A N/A Vegetation D. Nixon 2274 mtrs/217*00' PLAT MAP April 1991 Page 8

TABLE 4 Environmental Land Use Survey (continued)

Owner's Counting Sec. Type of Use Name Dist./ Azimuth Technique Remarks M Residence J. Wolfe 1676 mtrs/256'00' Interview Milk, Animal None N/A N/A Vegetation J. Wolfe 1676 mtrs/256*00' Interview N Residence D. Nielsen 1925 mtrs/262 15' PLAT Map Milk, Animal None N/A N/A Vegetation D. Nielsen 1925 r.;trs/262*15' PLAT Map P Residence J. Welchert 3330 mtrs/296*25' PLAT Map Milk, Animal None N/A N/A Vegetation J. Welchert 3330 mtrs/296*25' PLAT MAP g Q Residence R. Hansen 3947 mtrs/318'00' Interview Milk, Animal E. Flynn 5623 mtrs/310*20' interview Vegetation R. Hansen 3947 mtrs/318'00' Interview R Residence P. Kelley 3294 mtrs/329'00' Interview Milk, Animal None N/A N/A Vegetation M. Sorensen 6661 mtrs/330*00' PLAT MAP April 1991 Page 9 l

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1 APPENDIX A INTERLABORATORY COMPARISON PROGRAM RESULTS i

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NOTE: TIML participates in intercomparison studies administered by. U.S. EPA Environmental Monitoring Systems Laboratory, Las Vegas, Nevada. The results are reported in Appendix A.- Also reported are results of

, in-house spikes and blanks. Appendix A is updated twice a year; the complete Appendix is included in January and July monthly reports only.

Please refer to January and July Reports for information.

January, 1991 ,

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A-1

Appendix A Interlaboratory Comparison Program Results Teledyne Isotopes Midwest Laboratory (formerly Hazleton Environmental Sciences) has participated in interlaboratory comparison (crosscheck) programs since the formulation of its quality control program in December 1971. These programs are operated by agencies which supply environmental-type samples (e.g., milk or water) . containing concentrations of radionuclides known to. the issuing agency but not to participant laboratories. The pu provide an independent check on the laboratory,rpose of such a program s analytical procedures and to is to alert it to any possible problems.

Participant laboratories measure the concentrations of specified radionuclides and report them to the issuing agency. Several months later, the agency reports the known values to the participant laboratories and specifies control limits. Results consistently higher or lower than .the known values or outside the control limits indicate a need to check the instruments or procedures used.

The results in Table A-1 were obtained through participation in- the environ-mental sample crosscheck program for milk, water, air filters, and food samples during the period January 1986 through December,1990. This program has been conducted by the U.S. Environmental Protection Agency Intercompari son and Calibration- Section, Quality Assurance Branch, Environmental Monitoring and Support Laboratory, Las. Vegas, Nevada.

i The results in Table A-2 were obtained for thermoluminescent dosimeters (TLDs) l during the period 1976,1977,1979,1980,1984, and 1985-1986 through partici-p'ation in the Second, Third, Fourth, Fifth, Seventh, and Eighth International Intercomparison of Environmental Dosimeters under the sponsorships listed in Table A-2. Also Teledyne testing results are listed.

Table A-3 lists results of the analyses on in-house spiked samples.

Table A-4 lists results 'of the analyses on in-house " blank' . samples.

i Attachment B lists acceptance criteria for " spiked" samples.-

Addendum to Appendix A provides explanation for out-of-limit results.

A-2

a Table A-1. U.S. Environmental Protection A9ency's crosscheck program, comparison of EPA and Teledyne isotopes Midwest Laboratory results for milk, water, air filters, and food samples,1986 through 1990.a Concentration in pCi/Lb EPA Resultd Lab Sample Date TIML Result Control Code Type Collected Analysis 12 cC 1s, N=1 Limits STF-447 Food Jan 1986 Sr-89 24.312.5 25.015.0 16.3-33.7 Sr-90 17 .3 0.6 10.021.5 7.4-12.6 1-131 22.712.3 20.010.6 9.6-30.4 Cs-137 16.310.6 15.015.0 6.3-23.7 K 927 46 9501144 701-1199 STW-448 Water Feb 1986 Cr-51 45.013.6 38.015.0 29.3-46.7 Co-60 19.711.5 18.0 5.0 9.3-26.7 Zn-65 44.013.5 40.015.0 31.3-48.7 Ru-106 <9.0 0.0 5.0 0.0-8.7 Cs-134 28.312.3 30.015.0 21 .3-38 .7 Cs-137 23.710.6 22.015.0 13.3-30.7 STW-449 Water Feb 1986 H-3 5176148 5227 525 4317-6137 STW-450 Water Feb 1986 V total 8.0 0.0 9.016.0 0.0-19.4 STM-451 Mil k Feb 1986 1-131 7.010.0 9.0 6.0 0.0-19.4 STW-452 Water Mar 1986 Ra-226 3.810.1 4.110.6 3.0-5.2 Ra-228 11.020.5 12.411.8 9.2-15.5 STW-453 Water Mar 1986 Gr. alpha 6.710.6 15.0 5.0 6.3-23.7 Gr. beta 7.310.6 8.0 5.0 0.0-16.7 STW-454 Water Apr 1986 I-131 7.0 0.0 9.0 6.0 0.0-19.4 STW-455 Water Apr 1986 456 (Blind)

Sample A Gr. alpha 15.0 1.0 17.015.0 8.3-25.7 Ra-226 3.1 0.1 2.9 0.4 2.1-3.7 Ra-228 1.510.2 2.0 0.3 1.5-2.5 Uranium 4.710.6 5.016.0 0.0-15.4 Sample B Gr. beta 28.711.2 35.0 5.0 26.3-43.7 Sr-89 5.710.6 7.0 5.0 0.0-15.7 Sr-90 7.0 0.0 7.0 1.5 4.4-9.6 Co-60 10.711.5 10.0 5.0 1,3-18.7 Cs-134 4.0 1.7 5.0 5.0 0.0-13.7 Cs-137 5.310.6 5.0 5.0 0.0-13.7 A-3

Table A-1. (continued)

Concentration in pCi/Lb EPA Resultd Lab Sample Date TIML Result Control Code Type Collected Analysis 12cc is N=1 Limits STAF-457 Air Apr 1986 Gr. alpha 13.710.6 15.025.0 6.3-23.7 Filter Gr. beta 46.310.6 47.015.0 38.3-55.7 Sr-90 14.710.6 18.011.5 15.4-20.6 Cs-137 10.710.6 10.015.0 1.3-18.7 STU-458 Urine Apr 1986 Tritium 4313170 4423i189 4096-4750 STW-459 Water May 1986 Sr-89 4.310.6 5.015.0 0.0-13.7 Sr-90 5.010.0 5.011.5 2.4-7.6 STW-460 Water May 1986 Gr. alpha 5.320.6 8.0 5.0 0.0-16.7 Gr. beta 11.311.2 15.015.0 6.3-23.7 STW-461 Water Jun 1986 Cr-51 <9.0 0.015.0 0.0-8.7 Co-60 66.011.0 66.0 5.0 57.3-74.7 Zn-65 87.311.5: 86.0 5.0 77.3-94.7 Ru-106 39.712.5 50.0 5.0 41.3-58.7 Cs-134 49.322.5 49.015.0 40.3-57.7 Cs-137 10.311.5 10.0 5.0 1.3-18.7 STW-462 Water- Jun 1986 Tritium 3427125 3125 361 2499-3751 STM-464 Milk Jun 1986 S r-89 <1.0- 0.015.0 0.0-8.7 Sr-90 15.310.6 16.011.5 13.4-18.6 I-131 48.312.3 41.026.0 30.6-51.4 Cs-137 43.711.5 31.015.0 22.3-39.7 K 15671114 1600180 1461-1739.

STW-465 Water Jul 1986 Gr. alpha 4.720.6 6.015.0 0.0-14.7 Gr. beta 18.711.2 18.0 5.0 9.3-26.7 STW-467 Water Aug 1986 I-131 30.310.6 45.016.0 34.4-55.4 STW-468 Water Aug 1986 Pu-239 11.3*0.6 10.111.0 8.3-11.9 STW-469 Water Aug 1986 Uranium 4.010.0 4.016.0 0.0-14.4 STAF-470 Air Sep 1986 Gr. alpha 19.311.5 22.015.0_ 13.3-30.7 471 Filter Gr. beta 64 .012.6 66.0 5.0 57.3-74.7 472 Sr-90 22.011.0 22 .0 5.0 19.4-24.6 Cs-137 25.711.5 22.0 5.0 13.3-30.7 STW-473 Water Sep 1986 Ra-226 6.0 0.1 6.110.9 4.5-7.7 Ra-228 8.7 11 .1 9.111.4 6.7-11.5 l

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e Table A-1. (continued)  !

Concentration in pCi/Lb EPA Resultd Lab Sample Date TIML Result Cont rol Code Type Collected Analysis 2cc Is, N=1 Limits STW-474 Water Sep 1986 Gr. alpha 16.313.2 15.015.0 6.3-23.7 Gr. beta 9.011.0 8.015.0 0.0-16.7 STW-475 Water Oct 1986 Cr-51 63.325.5 59.015.0 50.3-67.7 Co-60 31.012.0 31.015.0 22.3-39.7 Zn-657 87.315.9 85.015.0 76.3-93.7 Ru-106 74.717.4 74.015.0 65.3-82.7 Cs-134 25.720.6 28.015.0 19.3-36.7 Cs-137 46.311.5 44.015.0 35.3-52.7 STW-476 Water Oct 1986 H-3 5918160 59731597 4938-7008 SPW-477 Water Oct 1986 (Blind)

Sample A Gr. alpha 34.0 6.0 40.015.0 31.3-48.7 Ra-226 5.810.2 6.010.9 4.4-7.6 Ra-228 2.711.0 5.010.8 3.7-6.3 Uranium 11.010.0 10.016.0 0.0-20.4 Sanple B Gr. beta 38.711.2 51.015.0 42.3-59.7 Sr-89 5.0 0.0 10.025.0 1.3-18.7 S r-90 3.010.0 4.011.5 1.4-6.6 l

Co-60 24.721.2 24.015.0 15.3-32.7 Cs-134 11.0t2.0 12.0 5.0 3.3-20.7 l Cs-137 9.311.2 8.015.0 0.0-20.4 STM-479 Mil k Nov 1986 Sr-89 7.711.2 9.015.0 0.3-17.7 Sr-90 1.020.0 0.011.5 0.0-2.6 1-131 52.313.1 49.016.0 38.6-59.4 Cs-137 45.7 3.1 39.0 5.0 30.3-47.7 i

K 14891104 1565178 1430-1700 STU-480 Urine Nov 1986 H-3 5540126 52571912 4345-6169 STW-481 Water Nov 1986 Gr. alpha 12.014.0 20.025.0 11.3-28.7 Gr. beta 20.023.5 20.0 5.0 11.3-28.7 STW-482 Water Dec 1986 Ra-226 6.7 0.2 6.8 1.0 5.0-8.6 Ra-228 5.2 0.2 11.111.7 8.2-14.0 STW-483 Water Jan 1987 Sr-89 19.7 5.0 25.0 5.0 16.3-33.7 Sr-90 21.0 2.0 25.011.5 22.4-27.6 A-5

Table A-1. (continued)

Concentration in pCi/Lb C

EPA Resultd Lab Sample Date TIML Result Control Code Type Collected Analysis 120C 1s , N=1 Limits STW-484 Water Jan 1987 Pu-239 17.012.3 16.711.7 13.8-19.6 STF-486 Food Jan 1987 Sr-90 36.014.0 49.0110.0 31.7-66.3 1-131 78.013.4 78.018.0 64.1-91.9 Cs-137 89.713.0 84.025.0 75.3-92.7 K 942256 980249 895-1065 STF-487 Food Jan 1987 Sr-90 2.010.0 ---

(Blank) 1-131 <3 - - -

Cs-137 <2 ---

K 9931102 ---

STW-488 Water Feb 1987 Co-60 49.020.0 50.015.0 41.3-58.7 2n-65 96.017.2 91.015.0 82.3-99.7 Ru-106 92.0120.2 100.0 5.0 91.3-108.7 Cs-134 53.0 3.4 59.0 5.0 50.3-67.7 Cs-137 89.314.6 87.015.0 78.3-95.7 STW-489 Water Feb 1987 H-3 41301140 42091420 3479-4939 STW-490 Water Feb 1987 Uranium 8.311.2 8.0 6.0 0.0-18.4 STM-491 Mil k Feb 1987 I-131 10.010.0 9.010.9 7.4-10.6 STW-492 Water Mar 1987 Gr. alpha 3.721.2 3.015.0 0.0-11.7 Gr. beta 11.311.2 13.025.0 4.3-21.7 STW-493 Water Mar 1987 Ra-226 7.0 0.1 7.311.1 5.4-9.2 Ra-228 7.1 2.3 7.511.1 5.5-9.5 STW-494 Water Apr 1987 I-131 8.010.0 7.0 0.7 5.8-8.2 STAF-495 Air Apr 1987 Gr. alpha 15.0 0.0 14.015.0 5.3-22.7 Filter Gr. beta 41.012.0 43.015.0 34.3-51.7 Sr-90 16.311.2 17.0 1.5 14.4-19.6 Cs-137 7.010.0 8.0 5.0 0.0-16.7 STW-496 Water Apr 1987 497 (Blind)

Sample A Gr. dipha 30.711.2 30.018.0 16.1-43.9 Ra-226 3.910.2 3.910.6 2.9-4.9 Ra-228 4.9 0.9 4.010.6 3.0-5.0 Uranium 5.010.0 S.016.0 0.0-15.4 i

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i Table A-1. (continued)

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Concentration in pC1/Lb j '

EPA Resultd i Lab Sample Date TIML Result Control  !

Code Type Collected Analysis 12cC 1s, N=1 Limits

, STW-496 Water Apr 1987

497 (Blind) l
Sample B Gr. beta 69.329.4 66.015.0 57.3-74.7 '

! Sr-89 16.313.0 19.015.0 10.3-27.7 i

Sr-90 10.010.0 10.011.5 7.4-12.6

Co-60 8.313.0 8.015.0 0.0-16.7 l Cs-134 19.012.0- 20.015.0 11.3-28.7
i. Cs-137 14.7tl.2 15.025.0 6.3-23.7

{ STU-498 Urine Apr 1997 H-3 6017i494 5620i795 4647-6593 i

STW-499 Water May 1987 S r-89 38.016.0 41.0 5.0 32.3-49.7 "

, S r-90 21.022.0 20.011.5 17.4-22.6

} STW-500 Water May 1987 Gr. alpha 9.013.4 11.015.0 2.3-19.7 j Gr.. beta 10.311.2 7.015.0 0.0-15.7

! STW-501 Water Jun 1987 Cr-51 40.018.0- 41.025.0 32.3-49.7

! Co-60 60.313.0 64.015.0 55.3-72.7 2n-65 11.3 5.0 10.015.0 1.3-18.7 Ru-106 78.316.4 75.015.0 66.3-83.7

Cs-134 36.713.0 40.015.0 31.3-48.7-Cs-137 80.324.2 80.015.0 71 .3-88 .7 STW-502 Water Jun 1987 H-3 2906i86 2895t357 2277-3513 i

! . STW-503 Water Jun 1987 Ra-226 6.910.1 7.311.1 5.4-9.2

!- Ra-2E3 13.311.0 15.2i2.3 11.2-19.2 1

! SIM-504 Milk Jun 1987 S r-89 57.014.3- 69.015.0- 60.3-77.7

, Sr-90 32.011.0 35.0.'5.0 32.4-37.6 l I-131 . 64.022.0 59.016.0 48.6-69.4-

! Cs-137 77.720.6 74.0t5.0 65.3-82.7 i j . 1383117 '

K 1525176 1393-1657'

l l STW-505 Water Jul 1987 Gr. alpha -2.310.7 -5.015.0 0.0-13.7
Gr. beta- 4.0il.0 5.015.0 0.0-13.7 STF-506 Food Jul 1987 1-131 82.714.6 80.018.0 66.1-93.9 Cs-137 53.713.0 50.015.0 41.3-58.7
X 1548157 1680184 1534-1826 STW-507 Water - Aug 1987 I-131 45.7i4.2 .48.016.0 37.6-58.4 c

/ A-7

-, e , , - .n,,, --r.w,.-,w- -,-m., -- , -+ .a1. . #~ , .. . ,... - - ....c~.---. . . - _ _ ~ - - - - . - . , _=-.---~...-m- _m----.

Table A-1. (continued)

Concentration in pCi/Lb EPA Resultd Lab Sample Date TIML Result Control Code Type Collected Analysis 12cc 1s, N=1 Limits i

STW-508 Water Aug 1987 Pu-239 5.810.2 5.310.5 4.4-6.2 STW-509 Water Aug 1987 Uranium 13.320.3 13.016.0 2.6-23.4 STAF-510 Air Aug 1987 Gr. alpha 9.710.4 10.015.0 1.3-18.7 Filter Gr. beta 28.310.6 30.015.0 21.3-38.7 Sr-90 10.010.9 10.011.5 7.4-12.6 Cs-137 10.011.0 10.0 5.0 1.3-18.7 STW-511 Water Sep 1987 Ra-226 9.910.1 9.711.5 7.2-12.2 Ra-228 8.111.4 6.311.0 4.6-8.0 *

.O STK-512 Water Sep 1987 Gr. alpha 2.0 0.6 4.0 5.0 0.0-12.7 Gr. beta 11.311.3 12.015.0 3.3-20.7 STW-513 Water Sep 1987 H-3 44731100 4<921449 3714-5270 STW-514 Water Oct 1987 (Blind)

Sample A Gr. alpha 29.322.6 28.017.0 15.9-40.1 Ra-226 4.910.1 4.810.7- 3.6-6.1 Ra-228 4.211.0 3.620.5 2.7-4.5 Uranium 3.0f0.1 3.016.0 0.0-13.4 Sample B Sr-89 14.311.3 16.0!5.0 7.3-24.7 Sr-90 9.710.4 10.011.5 7.4-12.6 Co-60 16.713.0 16.015.0 7.3-24.7 Cs-134 16.712.3 16.015.0 7.3-24.7 Cs-137 24.3i3.3 24.015.0 15.3-32.7 STW-516 Water Oct 1987 Cr-51 80.3217.5 70.0*5.0 61.3-78.7 Co-60 16.012.3 15.015.0 6.3-23.7 Sample A Zn-65 , 46.315.6 46.015.0 37.3-54 .7 Ru-106 57.3115.4 61.015.0 52.3-69.7 Cs-134 23.7*2.5 25.0 5.0 16.3-33.7 Cs-137 51.7 3.2 51.0 5.0 42.3-59.7 STU-517 Urine Nov 1987 H-3 72671100 -74321743 6145-8719 STW-518 Water Nov 1987 Gr. alpha 3.012.0 7.0 5.0 0.0-15.7 Gr. beta 15.712.3 19.015.0- 10.3-27.7 STW-519 Water Dec 1987 1-131 26.013.0 25.026.0 15.6-36.4

  • A-8 l

Table A-1. (continued)

Concentration in pCi/Lb EPA Resultd Lab Sample Date TIML Result Control Code Type Collected Analysis t2cc Is, N=1 Limits STW-520 Water Dec 1987 Ra-226 5.110.8 4.820.7 3.6-6.0 Ra-228 3.410.1 5.310.8 3.9-6.7 STW-521 Water Jan 1988 Sr-89 27.3 5.0 30.015.0 21.3-38.7 Sr-90 15.321.2 15.021.5 12.4-17.6 STW-523 Water Jan 1988 Gr. alpha 2.311.2 4.015.0* 0;0-12.7 Gr. beta 7.711.2 8.015.0 0.0-16.7 STF-524 Food Jan 1988 Sr-89 44.014.0 46.015.0 37.3-54.7 Sr-90 53.012.0 55.012.8 50.2-59.8-1-131 102.314.2 102.0110.2 84.3-119.7 Cs-137 95.716.4 91.015.0 82.3-99.7 K 10111158 1230162 1124-1336-STW-525 Water Feb 1988 Co-60 69.312.3- 69.015.0 60.3-77.7 Zn-65 99.0 3.4 94.019.4 77.7-110.3 Ru-106 92.7114.4 105.0 10.5 86.8-123.2 Cs-134 61.718.0 64.015.0 55.3-72.7 Cs-137 99.713.0 94.015.0 85.3-102.7 STW-526 Water Feb 1988 H-3 3453i103 3327 362 2700-3954 STW-527 Water Feb 1988 Uranium 3.010.0 :3.016.0 0.0-13.4 STM-528 Mil k Feb 1988 I-131 4.711.2 4.010.4 3.3-4.7 STW-529 Water Mar 1988 Ra-226 7.110.6 7.611.1 5.6-9.6 Ra-228 nae 7.711.2 5.7-9.7 STW-530 Water -Mar 1988 Gr. alpha 4.311.2 -6.0 5.0 0.0-14.7 Gr. beta 13.3tl.3- 13.015.0 4.3-21.7-STAF-531 Air Mar 1988 Gr. alpha- 21.012.0 20.015.0. 11.3-28.7 Filter Gr. beta 48.010.0 50.0 5.0 41.3-58.7 Sr-90 16.7 1.2 17.011.5 14.4-19.6 Cs-137 18.711.3 -16.0 5.0 7.3-24.7 STW-532 Water Apr 1988 1-131- 9.012.0 7.510.8 6.2-8.8 1

A-9

Table A-1. (continued)

Concentration in pCi/Lb EPA Resultd Lab Sample Date TIML Result Control Code Type Collected Analysis 12cc Is, N=1 Limits STW-533 Water Apr 1988 534 (Blind)

Sample A Gr. alpha NDf 46.0111.0 27.0-65.0 Ra-226 ND 6.411.0 4.7-8.1 Ra-228 ND 5.610.8 4.2-7.0 Uranium 6.010.0 6.016.0 0.0-16.4 Sample B Gr. beta ND 57.0 5.0 48.3-65.7 j Sr-89 3.311.2 5.015.0 0.0-13.7 Sr-90 5.311.2 5.021.5 2.4-7.6 Co-60 63.321.3 50.015.0 41.3-58.7 Cs-134 7.7 1.2 7.015.0 0.0-15.7 Cs-137 8.311.2 7.015.0 0.0-15.7 STU-535 Urine Apr 1988 H-3 64832155 62021620 5128-7276 STW-536 Water Apr 1988 Sr-89 14.711.3 20.0 5.0 11.3-28.7 Sr-90 20.012.0 20.011.5 17.4-22.6 STW-538 Water Jun 1988 Cr-51 331.7113.0 302.0130.0 250.0-354.0 Co-60 16.012.0 15.025.0 6.3-23.7 Zn-65 107.7111.4 101.0110.0 83.7-118.3 Ru-106 191.3211.0 195.0120.0 160.4-229.6 Cs-134 18.3 4.6 20.015.0 11.3-28.7 Cs-137 26.311.2 25.0i5.0 16.3-33.7 STW-539 Water Jun 1988 H-3' 5586292 55652557 4600-6530 STM-541 Mil k Jun 1988 Sr 33.7111.4 40.015.0 31.3-48.7 Sr-90 55.325.8 60.013.0 54.8-65.2 1-131 103.723.1 94.019.0 -78.4-109.6 Cs-137. 52.723.1 .51.025.0 42.3-59.7 K 1587123' 1600280' 1461-1739 STW-542 Water Jul 1988 Gr. alpha 8.714.2- 15.025.0 6.3-23.7 Gr. beta 5.311.2 -4.0 5.0 0.0-12.7 STF-543 Food Jul 1988 Sr-89 NDf 33.015.0 24.3-41.7 Sr-90 ND 34.012.0 30.5-37.5 1-131 115.015.3 107.0111.0 88.0-126.0 Cs-137. :52.716.4 49.015.0 40.3-57.7 K 1190166 1240162- 1133-1347 i

A-10

Table A-1. (continued)

Concentration in pC1/Lb EPA Resultd Lab Sample Date TIML Result Control Code Type Collected Analysis 12cc Is, N=1 Limits STW-544 Water Aug 1988 I-131 80.010.0 76.018.0 62.1-89.9 STW-545 Water Aug 1988 Pu-239 11.010.2 10.2tl.0 8.5-11.9 STW-546 Water Aug 1988 Uranium 6.0 0.0 6.016.0 0.0-16.4 STAF-547 Air Aug 1988 Gr. alpha 8.010.0 8.0 5.0 0.0-16.7 Filter Gr. beta 26.311.2 29.015.0 20.3-37.7 Sr-90 8.0 2.0 8.0il.5 5.4-10.6 Cs-137 13.012.0 12.0 5.0 3.3-20.7 STW-548 Water Sep 1988 Ra-226 9.310,5 8.412.6 6.2-10.6 Ra-228 5.810.4 5.411.6 4.0-6.8 STW-549 Water Sep ]988 Gr. alpha 7.012.0 8.015.0 0.0-16.7 Gr. beta .11.311.2 10.015.0 1.3-18.7 STN-550 Water Oct 1988 Cr-51 252.0114.0 251.0125.0 207.7-294.3 Co-60 26.0 2.0 25.0 5.0 16.3-33.7 Zn-65 158.3110.2 151.0115.0 125.0-177.0 Ru-106 153.019.2 152.0 15.0 126.0-178.0 Cs-134 28.715.0 25.015.0 16.3-33.7 Cs-137 16.3tl.2 15.0 5.0 6.3-23.7 STW-551 Water Oct 1988 H-3 23331127 23162350 1710-2927 STW-552 Water Oct 1988 553 (Blind)

Sample A Gr. alpha 38.320,0 41.0110.0 23.7-58.3 la-226 4.d10.5 5.010.8 3.6-6.4 Ra-228 4.4 0.6 5.210.8 3.6-6.4 Uranium 4.711.2 5.016.0 0.0-15.4 Sample B Gr. beta 51.3 3.0 54.0 5.0 45.3-62.7 Sr-89 3.711.2 11.015.0 2.3-19.7 Sr-90 10.711.2 10.0il.f 7.4-12.6 Cs-134 15.312.3 15.0 5.0 6.3-23.7 Cs-137 16.711.2 15.0 5.0 6.3-23.7 A-11

e l

Table A-1. (continued)

Concentration in pCi/Lb EPA Resultd Lab Sample Date TIML Result Control Code Type Collected Analysis 120< 1s, N=1 Limits i

STM-554 Mil k Oct 1988 Sr-89 40.317.0 40.015.0 31.3-48.7 i Sr-90 51.0 2.0 60.013.0 54 .8- 65 .2 1 1-131 94.013.4 91.019.0 75.4-106.6 Cs-137 45.014.0 50.015.0 41.3-58.7 K 1500145 1600180 1461-1739 STU-555 Urine Nov 1988 H-3 30301209 .30251359 2403-3647 STW-556 Water Nov 1988 Gr. alpha 9.013.5 9.025.0 0.3-17.7 ,

Gr. beta 9.711.2 9.015.0 0.3-17.7  !

STW-557 Water Dec 1988 I-131 108.723.0 115.0112.0 94.2-135.8 STW-559 Water Jan 1989 Sr-89 40.028.7 40.0 5.0 31.3-48.7 S r-90 24.313.1 25.0*1.5 24 .4-27.6 STW-560 Water Jan 1989 Pu-239 5.811.1 4.2t0.4 3.S-4.9 STW-561 Water Jan 1989 Gr. alpha 7.311.2 8.015.0 0.0-16.7 Gr. beta-  : .3 1.2 4.015.0 0.0-12.7 STW-562 Water Feb 1989 C r-51 245146 235124 193.4-276.6 Co-60 10.012.0 10.015.0 1.3-18.7 Zn-65 170110 159116 139.2-186.7 Ru-106 18117.6 178118 146.8-209.2 Cs-134 9.713.0 10.015.0 1.3-18.7 Cs-137 11.711.2. 10.015.0 1.3-18.7- ..

STW-563 Water Feb 1989 I-131 109.014.0 106.0111.0 86.9-125.1 STW-564 Water Feb 1989 .H-3 2820t20 27541356 2137-3371 STW-565 Water Mar 1989 Ra-226 4.210.3 4.910.7 3.7-6.1

.Ra-228- ,

1.911.0 1.710.3 1.2-2.2 STW-566 Water Mar 1989 U 5.010.0 5.0 6.0- 0.0-15.4 f

STW-567 Air Mar 1989 Gr. alpha 21.711.2 21.015.0- 12.3-29.7 j Filter Gr. beta 68.314.2 62.015.0 53.3-70.7 S r-90 20.012.0 20.011.5 17.4-22.6 Cs-137 -21.321.2 20.015.0 11 .3-28 .7 J

0 A ,

Table A-1. (continued)

Concentration in pC1/Lb EPA Resultd i L ab Sample Date TIML Result Control Code Type Collected Analysis 12cc is, N=1 Limits STW-568 Water Apr 1989 569 (Blind)

Sample A Gr. alpha 22.712.3 29.017.0 16.9-41.2 Ra-226 3.610.6 3.510.5 2.6-4.4 Ra-228 2.611.0 3.610.5 2.7-4.5 0 3.010.0 3.016.0 0.0-13.4 Sample B Gr. beta 52.316.1 57.015.0 43.3-65.7 Sr-89 9.315.4 8.015.0 0.0-16.7 Sr-90 7.010.0 8.011.5 5.4-10.6 Cs-134 21.015.2 20.0 5.0 11.3-28.7-Cs-137 23.012.0 20.015.0 11.3-28.7 STW-570 Mil k Apr 1989 Sr-89 26.0110.0 39.015.0 30.3-47.7 Sr-90 45.714.2. 55.013.0 49.8-60.2 Cs-137 54.016.9 50.015.0 41.3-58.7 K-40 15211208 1600180 1461-1739 STW-5719 Water May 1989 Sr-89 <0.7 6.015.0 0.0-14.7 St-90 5.011.0 6.011.5 3.4-8.6 1

STW-572 Water May 1989 Gr. alpha 24.012.0 30.018.0 16.1-43.9 Gr. beta 49.3115.6 50.025.0 41.3-58.7 STW-573 Water Jun 1989 Ba-133 50.711.2 49.015.0. 40.3-57.7 Co-60 31 .312.3 31.015.0 22.3-39.7 Zn 167110 165117 135.6-194.4 Ru-106 12319.2 128113 105.5-150.5 Cs-134 40.311.2 3915 30.3-47.7 s

Cs-137 22.311.2 20i5 11.3-28.7 STW-574 Water Jun 1989 H-3 45131136- 45031450 3724-5282 STW-575 Water Jul 1989 Ra-226 16.813.1 17.712.7 13.0-22.4 Ra-228 13.813.7 18.312.7 13.6-23.0 STW-576 Water Jul 1989 0 40.3tl.2 41.016.0 30.6-51.4 STW-577 Water Aug 1989 I-131 84.715.8 83.018.0 69.1-96.9 STAF-579 Air Aug 1989 Gr. alpha 6.010.0 6.015.0 0.0-14.7 Filter Cs-137 10.3i2.3 10.015.0 1.3-18.7 A-13

Table A-1. (continued)

Concentration in pCi/Lb EPA Resultd I ab Sample Date TIML Result Control Code Type Collected Analysis 12cc Is, N=1 Limits STW-580 Water Sep 1989 Sr-89 14.711.2 14.015.0 5.3-22.7 Sr-90 9.711.2 10.011.5 7.4-12.6 STW-581 Water Sep 1989 Gr. alpha b.010.0 4.0 5.0 0.0-12.7 Gr. Beta 8.712.3 6.015.0 0.0-14.7 STW-583 Water Oct 1989 Ba-133 60.3110.0 59.016.0 48.6-69.4 Co-60 29.014.0 30.015.0 21.1-38.7 Zn-65 132.316.0 129.0113.0 106.5-151.5 Ru-106 155.316.1 161.0116.0 133.3-188.7 Cs-134 30.716.1 29.0 5.0 20.3-37.7 '

Cs-137 66.324.6 59.015.0 50.3-67.7 STW-584 Water Oct 1989 H-3 34071150 34961364 2866-4126 STW-585 Water Oct 1989 586 (Blind) 4 Sample A Gr. Alpha 41.7t9.4 49.0112.0 28.2-69.8 Ra-226 7.910.4 8.411.3 6.2-10.6 Ra-228 4.410.8 4.1*0.6 3.1-5.1 U 12.010.0 12.016.0 1.6-22.4 Sanple B Gr. Beta 31.712.3 32.015.0 23.3-40.7 Sr-89 13.324.2 15.015.0 6.3-23.7 Sr-90 7.012.0 7.0i3.0 4.4-9.6 Cs-134 S.010.0 5.015.0 0.0-13.7 Cs-137 7.010.0 5.015.0 0.0-13.7 STW-587 Water Nov 1989 Ra-226- 7.910.4 8.711.3 6.4-11.0 Ra-228 8.911.2 9.311.2 6.9-11.7 STW-588- Water Nov 1989 U 15.020.09 15.016.0 4.6-25.4 STW-589 Water Jan 1990 Sr-89 ' 22.725.0 25.015.0 16.3-33.7 S r-90 -17.311.2- 20.011.5 17.4-22.6 STW-591 Water Jan 1990 Gr.-Alpha 10.3 3.0 12.015.0 3.3-20.7 Gr. Beta 12.311.2- -12.015.0 -3.3-20.7 A-14

Table A-1. (continued) j Concentration in pCi/Lb EPA Resultd Lab Sample Date TIML Result Control Code Type Collected Analysis i2oC 15, N=1 Limits l STW-592 Water Jan 1990 Co-60 14.722.3 1515.0 6.3-23.7 Zn-65 135.026.9 139.0214.0 114.8-163.2 Ru-106 133.3113.4 139.0214.0 114.8-163.2 Cs-134 17.311.2 18.025.0 9.3-26.7 Cs-137 19.321.2 18.015.0 9.3-26.7 Ba-133 78.020.0 74.027.0 61.9-86.1 STW-593 Water Feb 1990 H-3 4827183 49761498- 4113-5839 STW-594 Water Mar 1990 Ra-226 5.010.2, 4.910.7 4.1- 5 '. 7 Ra-228 13.520.7 12.711'.9 9.4-16.0  !

STW-595 Water Mar 1990 0 4.0 0.0 4.0 6.0 0.0-14.4 STW-596 Air Mar 1990 Gr. Alpha 7.311.2- 5.015.0- 0.0-13.7 Filter Gr. Beta 34.010.0 31.015.0 22.3-39.7 Sr-90 10.0 0.0 10.011'.5 7.4-12.6 Cs-137 9.321.2 10.0i5.0 1.3-18.7

-STW-597 Water Apr 1990 598 (Blind)

Sample A- Gr. Alpha- 81.013.5 90.0123.0 50.1-129.9 _

Ra-226 4.910.4 5.010.8- 3.6-6.4 Ra-228 10.610.3 '10.2i1.5 7.6-12.8 U 18.713.0 20.016.0- 9.6-30.4-Sample B Gr. Beta 51.0210.1 52.015.0 43.3-60.7 Sr-89 .~9.311.2 10.015.0 1.3-18.7:

Sr 10.313.1 10.011.5 8. 3-11. 7 --

Cs-134 -16.0i0.0 15.015.0- 6.3-23.7' Cs-137 19.022.0- 15'.015.0' 6.3-23.7 STM-599 - - Mil k Apr 1990 Sr-89 21.723.1 23.015.0 14.3-31.7 Sr-90 -21.017.0 23.015.0 14.3-31.7 I-131 98.711.1 99.0110.0 81.7-116.3 Cs-137 26.016.0- 24.015.0.: 15.3-32.7

-K 1300.0269.2 1550.0178.0 1414.7-1685.3 STW-600 Water May-1990 Sr-89 G.012.0- .7.0 5.0 0.0-15.7 Sr-90 6.7*1.2 7.0t5.0- 0.0-15.7 STW-601 Water May 1990 Gr. Alpha 11.012.0 22.016.0 11.6-32.4-Gr. Beta 12.311.2 _15.015.0- 6.3-23.7:

A-15 l _ - . - _ _ - . _ _ _ _ _ .. - __a__ _ . , , , -

1 o

Table A-1. (continued)

Concentration in pC1/Lb EPA Resultd L ab Sample Date TIML Result Control Code Type Collected Analysis 12cc Is, N=1 Limits

.STW-602 Water Jun 1990 Co-60 25.312.3 24.015.0 15.3-32.7 Zn-65 155.0210.6 148.0115.0 130.6-165.4 Ru-106 202.7117.2 210.0121.0 273.6-246.4 Cs-134 23.711.2 24.015.0 18.2-29.8 Cs-137 27.713.1 25.015.0 16.3-33.7 Ba-133 100.718.1 99.0110.0 81.7-116.3 STW-603 Water Jun 1990 H-3 29271306 29331358 2312-3554 STW-604 Water Jul 1990 Ra-226 11.820.9 12.121.8 9.0-15.2 Ra-228 4.121.4 5.111.3 2.8-7.4 STW-605 Water Jul 1990 0 20.311.7 20.813.0 15.6-26.0 STW-606 Water Aug 1990 1-131 43.011.2 39.016.0 28.6-49.4 STW-607 Water Aug 1990 pu-239 10.011.7 9.110.9 7.5-10.7 STW-608 Air Aug 1990 Gr. alpha 14.0i0.0 10.015.0 1.3-18.7 Filter Gr. beta 65.3tl.2 62.0 5.0 53.5-70.7 Sr-90 19.0 6.9 20.0 5.0 11.3-28.7 Cs-137 19,022.0 20.0i5.0 11.3-28.7 STW-609 Water Sep 1990 S r-89 9.0i2.0 10.015.0' 1,3-18.7 Sr-90 9.012.0 9.015.0 0.3-17.7 STM-610 Water Sep 1990 Gr. alpha 8.311.2 10.015.0 1.3-18.7 Gr. beta 10.311.2 -10.015.0 1.3-18.7 STM-611 Mil k Sep 1990 Sr-89 11.713.1 16.025.0 7.3-24.7 Sr-90 15.010.0 20.015.0 11.3-28.7

'I-131 63.016.0 58.016.0 47.6-68.4 i Cs-137 20.0i2.0 20.015.0 11.3-28.7 l _K 1673.3170.2 1700.0185.0 1552.5-1847.5 STW-612 Water Oct 1990 Co-60 20.313.1 20.015.0 11.3-28.7 Zn-65 115.3112.2 115.0112.0 94.2-135.8 Ru-106 152.0 8.0 151.0115.0 125.0-177.0 Cs-134 11.010.0 12.0 5.0 3.3-20.7 '

Cs-137 14.0*2.0 12.0 5.0 3.3-20.7 Ba-133 116.7 9.9 110.0111.0 90.9-129.1 STW-613 Water Oct 1990 H-3 71671330 72031720 5954-8452 o

A-16

l e

e  ;

Table A-1. (continued)

Concentration in pCi/Lb' EPA-Resultd Lab Sample Date TIML Result -Control Code Type Collected Analysis 12cC 1s, N=1 Limits STW-614 Water Oct 1990 615 Sample A Gr. alpha 68.717.2 62.0116.0 34.2-89.8 Ra-226- 12.910.3- 13.6t2.0 10.1-17.1 Ra-228 4.2t0.6 5.0il.3 2.7-7.3 V 10.410.6 10.213.0- 5.0-15.4 Sample B Gr. beta 55.018.74 53.0i5.0 44.3-61.7-Sr-89 15;7*2.9 20.015.0' 11.3-28.7-Sr-90 12.012.0 15.015.0 6.3-23.7 Cs-134 9.011.7 7.015.0 0.0-15.7-Cs-137 7.711.2 5.015.0 0.0-13.7 STW-616 Water Nov 1990 Ra-226 6.811.0 7.421.1' 5.5-9.3 Ra-228 5.3 1.7 -7.711.9 4.4-11.0-STW-6179 Water Nov 1990 U 35.010.4- 35.513.6- 29.3-41.7 a Results obtained by Teledyne Isotopes Midwest Laboratory as a participant in the-environmental sample crosscheck program _ operated by the Intercomparison and Calibration Section,-Quality Assurance Branch, Environmental Monitoring and Support Laboratory, U.S. Environmental Protection Agency (EPA), Las Vegas,.

Nevada; b A*i1 results are in the pCi/1, except; for elemental potassium (K) data in milk, which are in mg/1; air filter samples, which are -in pCi/ filter; and food, which is in'mg/kg._

c Unless otherwise indicated, the TIML results are given as the mean i 2

.. standard deviations for three determinations.

d USEPA.results are presented- as:the _ known values and expected laboratory _-

precision (1s,1 determination)- and control limits; as defined by EPA.

e NA = Not analyzed.

f ND = No data; not-analyzed due to relocation of the lab.

9 Sample was- analyzed but the results not submitted to EPA because deadline =

was missed (all data on file).

1 1

I i

1 1 j -A-17 l -

l l

l Table A-2. Crosscheck program results, thermoluminescent dosimeters (TLDs),

mR Teledyne Average 12cd Lab Result Known (All Code TLD Type Measurement 12ca valuec Participants) 2nd International Intercomparisonb 115-2 CaF2 :Mn Field 17.011.9 17.1 16.427.7 Bulb Lab 20.814.1 21.3 18.827.6 3rd International Intercomparisone 115-3 CaF2 :Mn Field 30.723.2 34.914.8 31.513.0 Bulb Lab 89.616.4 91.7114.6 86.2224.0 4th International Intercomparisonf 115-4 CaF2 :Mn Field 14.111.1 14.121.4 16.0 9.0 Bulb Lab (Low) 9.3 1.3 12.212.4 12.017.4 Lab (High) 40.411.4 45.829.2 43.9113.2 5th International Intercomparison9 115-5A CaF2 :Mn Field 31.411.8 30.016.0 30.2214.6 l Bulb Lab at beginning 77.4 5.8 75.217.6 75.8240.4 Lab at the end 96.615.8 88.418.8 90.7 31.2 115-5B LiF-100 Field 30.3 4.8 30.016.0 30.2 14.6 Chips Lab at beginning 81.li7.4 75.227.6 75.8140.4 Lab at the end 85.4111.7 88.4t8.8 90.7131.2 7th International Intercomparisonh 115-7A LiF-100 Field 75.412.6 75.816.0 75.1129,8 Chips Lab (Co-60) 80.023.5 79.914.0 77.9127.6 Lab (Cs-137) 66.612.5 75.0 3.8 73.0122.2 A-18

. l

\

l Table A-2. (continued) '

I mR i Teledyne Average 12cd

Lab Result Known (All l Code TLD Type Measurement 12ca Valuec Participants) i 115-7B CaF2
Mn Field 71.512.6 -75.816.0 75.1129.8 Bulbs

, Lab (Co-60) 84.816.4 79.914.0 77.9127.6 Lab (Cs-137) 78.811.6 75.013.8 73.0122.2 115-7C CaSO4 :Dy Field 76.822.7 75.816.0 75.1129.8 Cards Lab (Co-60) 82.513.7 79.914.0 77.9227.6 l Lab (Cs-137) 79.0 3.2 75.013.8 73.0122.2

! 8th International Intercomparisoni

. 115-8A Lif-100 Field Site 1 29.511.4 29.711.5 28.9112.4

~

Chips Field Site 2 11.310.8 10.410.5 10.li9.06-

Lab-(Cs-137) 13.710.9 17.2 0.9 16.216.8-

.i

! 115-8B CaF2:Mn Field Site 1 32.311.2 2'9.721.5 28.9112.4 i Bulbs l Field Site 2 9.011.0 10.410.5 10.1 9.0 l

l Lab (Cs-137) 15.810.9 .17.2*0.9 16.216.8

115-8C CaSO4
Dy Field Site 1 32.310.7 29.711.5 28.9112.4 Cards Field Site 2 10.610.6 10.4i0.5 '10.119.0
Lab (Cs-137) 18.1 0.8 17.2 0.9 16.216.8 s

Teledyne Testingd l

89-1 L1F-100- Lab 21.020.4 22 .4 --

Chips
89-2 Teledyne Lab 20.911.0 20.3 --

! CaSO4 :Dy Cards 1

i

[ .A-19

Table A-2. (continued) mR Teledyne Average 12od Lab Result Known (All Code TLD Type Measurement 12ca Valuec Participants)

Teledyne Testingj 90-1k Teledyne Lab 20.611.4 19.6 --

CaSO 4 :Dy Cards 90-11 Teledyne Lab 100.8*4.3 100.0 --

CaSO4 :Dy Cards a Lab result given is the mean 12 standard deviations of three determinations.

b Second International Intercomparison of Environmental Dosimeters conducted in April of 1976 by the Health and Safety Laboratory (GASL), New York, New York, and the School of Public Health of the University of Texas.

Houston, Texas.

c Value determineo by sponsor of the intercomparison using continuously operated pressurized ion chamber.

d Mean 12 standard deviations of results obtained by all laboratories parti-cipating in the program.

e Third International Intercomparison of Environmental Dosimeters conducted

in sumer of 1977 by Oak Ridge National Laboratory and the School of Public l

Health of the University of Texas, Houston, Texas.

f Fourth International Intercomparison of Environmental Dosimeters conducted in sumer of 1979 by the School of Public Health of the University of Texas, Houston, Texas.

9 Fifth International Intercomparison of Environmental Dosimeter conducted in fall of 1980 at Idaho Falls, Idaho and sponsored by the School of Public Health of the University of Texas, Houston, Texas and Environmental Measure-ments Laboratory, New York, New York, U.S. Department of Energy.

h Seventh International Intercomparison of Environmental Dosimeters conducted in the spring and sumer of 1984 at Las Vegas, Nevada, and sponsored by the U.S. Department of Energy, the U.S. Nuclear Regulatory Commission, and the U.S. Environmental Protection Agency, i Eighth International Intercomparison of Environmental Dosimeters conducted in the fall and winter of 1985-1986 at New York, New York, and sponsored by the U.S. Department of Energy.

J Chips were submitted in September 1989 and cards were submitted in November 1989 to Teledyne Isotopes, Inc., Westwood, NJ for irradiation.

k Cards were irradiated by Teledyne Isotopes, Inc., Westwood, NJ on June 19, 1990.

l Cards were irradiated by Dosimetry Associates, Inc., Northville, MI on i October 30, 1990.

A-20.

. l Table A-3. In-house spiked samples.

Concentration (pC1/L)

Lab Sample Date TIML Expected Code Type Collected Analysis Result Known Precision n=3 Activity 1s, n=3a QC-MI-6 Mil k Feb 1986 Sr-89 6.011.9 6.413.0 8.7 Sr-90 14.211.7 12.922.0 5.2 1-131 34.213.8 35.213.5 10.4 Cs-134 32.011.8 27.325.0 8.7 Cs-137 35.822.1 35.025.0 8.7 QC-W-14 Water Mar 1986 Sr-89 1.620.4 1.621.0 7.1 Sr-90 2.410.2 2.412.0 4.2 QC-W-15 Water Apr 1986 I-131 44.912.4 41.517.0 10.6 Co-60 10.611.7 12.115.0 7lb Cs-134 30.222.4 25.818.0 7.lb Cs-137 21.911.9 19.9 5.0 7.lb QC-MI-7 Milk Apr 1986 I-131 39.713.3 41.527.0 10.4 Cs-134 28.712.8 25.818.0 8.7 Cs-137 21.212.8 19.9*5.0 8.7 SPW-1 Water May 1986 Gr. alpha 15.811.8 18.015.0 Sc QC-W-16 Water Jun 1986 Gr. alpha 16.210.7 16.912.5 8.7 Gr. beta 38.413.5 30.215.0 8.7 QC-MI-9 Mil k Jun 1986 Sr-89 <1.0 0.0 7.lb Sr-90 12.611.8 13.323.0 4.2b I-131 38.917.0 34.817.0 10.4 Cs-134 33.023.4 36.115.0 8.7 Cs-137 38.522.8 39.015.0 8.7 SPW-2 Water Jun 1986 Gr. alpha 16.011.8 18.015.0 SC SPW-3 Water Jun 1986 Gr. alpha 17.710.8 -18.015.0 Sc QC-W-18 Water Sep 1986 Cs-134 34 .7 5.6 31.3 5.0 8.7 Cs-137 51.127.0 43.318.0 8.7 QC-W-19 Water Sep 1986 Sr-89 13.624.1 15.613.5 7.lb Sr-90 6.411.6 6.222.0 4.2b-l i

'y l

A-21

Table A-3. In-house spiked samples (continued)

Concentration (pCi/L)

Lab Sample Date TIML Expected Code T.YDe Collected Analysis Result Known Precision n=3 Activity 1s, n=3a QC-W-21 Water Oct 1986 Co-60 19.212.2 18.513.0 8.7 Cs-134 31.715.2 25.618.0 8.7 Cs-137 23.811.0 21.6 5.0 8.7 QC-MI-11 Mil k Oct 1986 S r-89 12.311.8 14.3 3.0 8.7 QC-W-20 Water Nov 1986 H-3 38551180 39601350 520b QC-W-22 Water Dec 1986 Gr. alpha 9.8 1.4 11.214.0 8.7 Gr. beta 21.712.0 23.825.0 8.7 QC-W-23 Water Jan 1987 I-131 29.812.5 27,9 3.0 10.4 05 MI-12 Mil k Jan 1987 1-131 36.511.3 32.6 5.0 10.4 Cs-137 32.614.2 27.428.0 8.7 QC-MI-13 Mil k Jan 1987 Sr-89 10.4 2.1 12.214.0 8.7 Sr-90 14.611.6 12.6 3.0 5.2 1-131 49.521.2 54.918.0 10.4 C s-134 <1.6 0.0 8.7 Cs-137 33.310.6 27.418.0 8.7 QC-W-24 Water Mar 1987 Sr-89 24.713.6 25.915.0 8.7 Sr-90 23.9 3.8 22.818.0 5.2 QC-W-25 Water Apr 1987 1-1S1 28.011.9 29.315.0 10.6 QC-MI-14 Milk Apr 1987 I-131 25.012.2 23.9 5.0 10.4 Cs-134 <2.1 0.0 8.7 Cs-137 34.212.0 27.217.0 8.7 QC-W-26 Water Jun 1987 H-3 3422 100 33621300 520 Co-60 24.8tl.4 26.517.0 8.7 Cs-134 <2.0 0.0 8.7 Cs-137 21.210.5 21.6 7.0 8.7 QC-W-27 Water Jun 1987 Gr. alpha 8.511.9 10.124.0 8.7 Gr. beta 22.611.9 21.2 5.0 8.7 QC-W-28 Water Jun 1987 Gr. alpha 8.711.3 10.114.0 8.7 Gr. beta 12.2 5.2 9.43.0 8.7 l

A-22

Table A-3. In-house spiked samples (continued)

Concentration (DCi/L)

Lab Sample Date TIML Expected Code Type Collected Analysis Result Known Precision n=3 Activity 1s, n=3a QC-W-29 Water Jun 1987 Gr. alpha 16.411.3 18.915.0 8.7 Gr. beta 15.924.0 11.814.0 8.7 QC-MI-15 Mil k Jul 1987 Sr-90 19.411.6 18.813.5 5.2 1-131 43.510.7 45.317.0 10.4 Cs-134 17.912.2 16.015.3 8.7 Cs-137 25.411.8 22.715.0 8.7 QC-W-30 Water Sep 1987 Sr-89 17.5 3.0 14.315.0 8.7 Sr-90 18.412.2 17.512.2 5.2 QC-W-31 Water Oct 1987 H-3 2053 939 2059 306 520 QC-W-32 Water Dec 1987 Gr. alpha 8.6 1.0 10.115.0 8.7 Gr. beta 15.210.1 13.113.0 8.7 QC-W-33 Water Dec 1987 Gr. alpha 7.711.4 10.115.0 8.7 Gr. beta 10.911.0 7.9 3.0 8.7 QC-W-34 Water Dec 1987 Gr. alpha 4.010.9 5.113.0 8.7 Gr. beta 9.4 0.9 7.913.0 8.7 QC-MI-16 Milk Feb 1988 Sr-89 31.814.7 31.716.0 8.7 Sr-90 25.512.7 27.813.5 5.2 1-131 26.410.5 23.215.0 10.4 Cs-134 23.812.3 24.216.0 8.7 Cs-137 26.510.8 25.1 6.0 8.7 QC-MI-17 Mil k Feb 1988 I-131 10.6il.2 14.311.6 10.4 QC-W-35 Water Feb 1988 I-131 9.711.1 11.611.1 10.4 QC-W-36 Water Feb 1988 I-131 10.5 1.3 11.611.0 10.4 QC-W-37 Water Mar 1988 Sr-89 17.122.0 19.8 8.0 8.7 Sr-90 18.710.9 17.3 5.0 5.2 QC-MI-18 Milk Mar 1988 1-131 33.212.3 26.7 5.0 10.4 Cs-134 31.312.1 30.215.0 8.7 Cs-137 29.9 1.4 26.215.0 8.7 A-23

1 Table A-3. In-house spiked samples (continued)

Concentration (pC1/L)

Lab Sample Date TIML Expected Code Type Collected Analysis Result Known Precision n=3 Activity 1s, n=3a QC-W-38 Water Apr 1988 I-131 17.1 1.1 14.215.0 10.4

QC-W-39 Water Apr 1988 H-3 4439131 41761500 724 QC-W-40 Water Apr 1988 Co-60 23.710.5 26.114.0 8.7 Cs-134 25.412.6 29.214.5 8.7 Cs-137 26.612.3 26.214.0 8.7 l

2 QC-W-41 Water Jun 1988 Gr. alpha 12.310.4 13.115.0 8.7 Gr. beta 22.611.0 20.115.0 8.7 QC-MI-19 Mil k Jul 1988 Sr-89 15.111.6 16.4 5.0 8.7 Sr-90 18.010.6 18.315.0 5.2 1-131 88.414.9 86.618.0 10.4 Cs-137 22.710.8 20.826.0 8.7 l QC-W-42 Water Sep 1988 Sr-89 48.513.3 50.818.0 8.7 Sr-90 10.9 1.0 11.4*3.5 5.2

QC-W-43 Water Oct 1988 Co-60 20.913.2 21.413.5 8.7 Cs-134 38.711.6 38.0*6.0 8.7 l Cs-137 19.022.4 21.013.5 8.7 i QC-W-44 Water Oct 1988 I-131 22.210.6 23.313.5 10.4 QC-W-45 Water Oct 1988 H-3 4109243 41531500 724 i

! QC-MI-20 Milk Oct 1988 I-131 59.8 0.9 60.619.0 10.4 Cs-134 49.6tl.8 48.617.5 8.7 i Cs-137 25.824.6 24.714.0 8.7 i

QC-W-46 Water Dec 1988 Gr. alpha 11.512.3 15.215.0 8.7 Gr. beta 26.522.0 25.715.0 8.7

]

QC-MI-21 Mil k Jan 1989 Sr-89 25.5110.3 34.0 10.0- 8.7 i

Sr-90 28.323.2 27.113.0 5.2 I-131 540113 550i20 10.4

Cs-134 24.522.6 22.625.5 8.7

! Cs-137 24.0 0.6 20.5 5.0 8.7 J

I A-24 i

4 Table A 3. In-house spiked samples (continued)

Concentration (DCi/L)

Lab Sample Date TIML Expected Code Type Collected Analysis Result Known Precision n=3 Activity 15, n=3a QC-W-47 Water Har 1989 Sr-89 15.2 3.8 16.115.0 8.7 l Sr-90 16.411.7 16.913.0 5.2 QC-MI-22 Milk Apr 1989 l-131 36.311.1 37.225.0 10.4 Cs-134 20.812.8 20.718.0 8.7 Cs-137 22.212.4 20.418.0 8.7 i

QC-W-48 Water Apr 1989 Co-60 23.512.0 25.118.0 8.7 ,

Cs-134 24.211.1 25.918.0 8.7 Cs-137 23.6tl.2 23.018.0 8.7 QC-W-49 Water Apr 1989 l-131 37.213.7 37.225.0 10.4 QC-W-50 Water Apr 1989 H-3 3011159 30891500 724 l QC-W-51 Water Jun 1989 Gr. alpha 13.011.8 15.015.0 8.7 Gr. beta 26.011.2 25.518.0 8.7 4 QC-MI-23 Mil k Jul 1989 Sr-89 19.416.5 22.0t10.0 8.7 Sr-90 27.613.5 28,613.0 5.2 1-131 46.813.2 43.4*5.0 10.4 Cs-134 27.411.8 28.316.0 8.7 Cs-137 24.111.8 20.816.0 8.7 QC-MI-24 Mil k Aug 1989 Sr-89 25.412.7 27.2t10.0 8.7 Sr 46.0il .1 47.8 9.6 8.3 QC-W-52 Water Sep 1989 I-131 9.610.3 9.7tl.9 10.4 QC-W-53 Water Sep 1989 I-131 19.010.2 20.914.E 10.4-QC-W-54 Water Sep 1989 Sr-89 25.8t4.6 24.714.0 8.7 Sr-90 26.515.3 29.715.0 5.2 QC-MI-25 Mil k Oct 1989 I-131 70.013.3 73.5120.0 10.4 Cs-134 22.112.6 22.6 8.0 8.7 Cs-137 29.421.5 27.518.0 8.7 QC-W Water Oct 1989 I-131 33.311.3 35.3110.0 10.4 1

A-25

. ._ . . _ - - - , _ . _ _ . _ _ _ . _ . _ ~ _ . _ _ _ _ _ _ _ _ _ _ _ _ _ _ __ _ __ .

\

Table A-3. In-house spiked samples (continued)

Concentration (DCi/L) 1.ab Sample Date TIML Expected Code Type C911ected Analysis Result Known Precision n=3 Activity 1s, n=3a QC-W-56 Water Oct 1081, Co 60 15.210.9 17.415.0 8.7 Cs-134 22.114.4 18.918.0 8.7 Cs-137 27.211.2 22.918.0 8.7 QC-W-57 Water Oct 1989 H-3 3334122 33791500 724 QC-W-58 Water Nov 1989 Sr-89 10.911.4d 11.111.0d 8.7 Sr-90 10.411.0d 10.3tl.0d 5.2 QC-W-59 Water Nov 1989 Sr-89 101.0*6.0d 104.1110,5d 17.5 Sr-90 98.013.0d 95.0110.0d 17.0 QC-W-60 Water Dec 1989 Gr. alpha 10.811.1 10.6t4.0 8.7 Gr. beta 11.610.5 11.414.0 8.7 QC-MI-26 Mil k Jan 1990 Cs-134 19.311.0 20.818.0 8.7 Cs-137 25.211.2 22.818.0 8.7

. QC-MI-27 Milk Feb 1990 Sr-90 18.011.6 18.815.0 5.2 y QC-MI-28 Milk Mar 1990 1-131 63.812.2 62.616.0 6.3 QC-MI-61 Water Apr 1990 Sr-89 17.915.5 23.118.7 8.7 Sr-90 19.412.5 23.515.2 5.2 QC-MI-29 Mil k Apr 1990 1-131 90.719.2 82.518.5 10.4 Cs-134 18.311.0 19.715.0 8.7 Cs-137 20.311.0 18.215.0 8.7 QC-W-62 Water Apr 1990 Co-60 8.710.4 9.415.0 8.7 Cs-134 20.0iO.2 19.715.0 8.7 '

Cs-137 28.711.4 22.715.0 8.7 QC-W-63 Water Apr 1990 1-131 63.518.0 66.016.7 6.6 QC-W-64 Water Apr 1990 H-3 19411130 1826.0i350.0 724 QC-W-65 Water Jun 1990 Ra-226 6.410.2 6.911.0 1.0 QC-W-66 Water Jun 1990 0 6.2i0.2- 6.0i6.0 6.0 A-26

Table A-3. in-house spiked samples (continued)

Concentration (DC1/L)

Lab Sample Date TIML Expected Code Type Collected Analysis Result Known Precision n=3 Activity 1s, n=3a QC-MI-30 Mil k Jul 1990 $r-89 12.820.4 18.4110.0 8.7 Sr-90 18.2tl.4 18.716.0 5.2 Cs-134 46.011.3 49.015.0 - 8.7 #

Cs-137 27.611.3 25.315.0 8.7 QC-W-68 Water Jun 1990 Gr. alpha 9.810.3 10.616.0 8.7 Gr. beta 11.410.6 11.3t7.0 8.7 QC-MI-31 Mil k Aug 1990 1-131 68.811.6 61.4112.3 10.4 QC-W-69 Water Sep 1990 Sr-89 17.711.6 19.2 10.0 8.7 Sr-90 13.911.6 17.4110.0 5.2 QC-MI-32 Mil k Oct 1990 1-131 34.810.2 32.426.5 8.7 Cs-134 25.8tl.2 27.3t10.0 8.7 Cs-137 25.3t2.0 22.4t10.0 8.7 QC-W-70 Water Oct 1990 H-3 2355159 2276t455 605 QC-W-71 Water Oct 1990 1-131 55.910.9 51.8110.4 10.4 QC-W-73 Water Oct 1990 Co-60 18.3i2.7 16.815.0 8.7 Cs-134 28.322.3 27.015.0 8.7 Cs-13/ 22.7tl.3 22.415.0 8.7 QC-W-74 Water Dec 1990 Gr. alpha 21.411.0 26.lt6.5 11.3 Gre beta 25.9tl.0 22.3t5.6 9.7 a n = 3 unless noted otherwise.

b n = 2 unless noted otherwise.

c n = 1 unless noted otherwise.

d Concentration in pC1/ml.

a 5

A-27

I

. 4 i

i Table A-4. In-house " blank" samples.

_ Concentration (DCi/L)

, Acceptance '

{ Lab Sample Date Results Criteria Code Type Collected Analysis (4.66c) (4.66o)

BL-1 D.1. Water Nov 1985 Gross alpha <0.1 <1 Gross beta <0.4 <4 BL-2 D.I. Water Nov 1985- Cs-137(gamma) <1.9 <10 BL-3 0.1. Water Nov 1985 Sr-89 <0.5 <5 Sr-90 <0.6 <1 BL-5 D.I. Water Nov 1985 Ra-226 <0.4 <1 i

Ra-228 <0.4 <1 SPW-2265 0.I, Water Apr 1985 Gross alpha <0.6 <1 Gross beta <2.2 <4 Sr-89 <0.2 <5 Sr-90 <0.4 <1 l-131 <0.2 <1 Cs-137(gamma) <7.4- <10 D.I. Water BL-6 Apr 1986 Gross alpha <0.4 <1 BL-7 D.I. Water Apr 1986 Gross alpha <0.4 <1 BL-2 D.I. Water Jun 1986 Gross alpha <0.4 <1 BL-9 0.1. Water Jun 1986 Gross alpha <0.3 <1 SPW-3185 0.1. Water Jan 1987 Ra-226 <0.1 <1 Ra-228 <0.9 <1 SPS-3292 Mil k Jan 1987 1-131- <0.1 (1 Cs-134 <6.2 <10 C s-137- <6.4 <10

, SPW-3554 D.'I. Water Feb 19E7 H-3 <180 <300 Gross beta <2.6 <4 SPS-3555 Mil k Feb 1987 Sr-89 <0.6 <5 Sr-90 1.910,4a <1 ,

SPS-3731 Mil k Har 1987 Cs-134 <2.2 <10 i Cs-137~ <2.5 <10

-A-28

i Table A-4. In-house " blank" samples (continued)

Concentration (DCi/L)

Acceptance Lab Sample Date Results Criteria Code Type Collected Analysis (4.66c) (4.66 o)

SPS-3732 D.I. Water Mar 1987 Sr-89 <0.9 <5 S r-90 <0.8 <1 1-131 <0.3 <1

- Co-60 <2.3 <10 Cs-134 <2.2 <10 t Cs-137 <2.4 <10 Ra-226 <0.1 <1 Ra-228 <1.0 <1 Np-237 <0.04 <1 Th-230 <0.05 <0.1 Th-232 <0.02 <0.1 U-234 <0.05 <0.1 U-235 <0.03 <0.1 U-238 <0.03 <0.1 SPS-4023 Mil k Mty 1987 1-131 <0.1 <1 SPS-4203 D.I. Water May 1987 Gross alpha <0.7 <1 Gross beta -<1.7 <4 SPS-4204 Mil k May 1987 Sr-89 <0.5 <5' Sr-90 2.410.6a <1 SPS-4390 Mil k Jun 1987 Cs-134 <4.7 <10 Cs-137 <5.2 <10 SPS-4391 D.I. Water Jun 1987 Sr-89 <0.4 <5 Sr-90 <0.4 <1 1-121- <0.1 <1 Co-60 <3.8 <10 Cs-137 <5.7 <10 Ra-226 <0.1 <1 Ra-228 <0.9 <1 SPW-4627 D.I. Water Aug 1987 Gross alpha <0.6 <1 Gross beta- <1.4 <4 Tritium <150 <300 SPS-4628 Mil k Aug 1987 Sr-89 <0.6 <5 Sr-90 2.410.6a <1- \

!l

.i:

A-29

Table A-4. In-house " blank" samples (continued)

Concentratan (DCi/L)

Mceptance Lab Sample Date Results Viteria

! Code Type Collected Analysis (4.66c) (4.66 o)

$PS-4847 Mil k Sep 1987 Cs-134 <4.4 <10 Cs-137 <5.3 <10 SPS-4848 0.1. Water Sep 1987 1-131 <0.2 <1 SPW-4849 0.1. Water Sep 1987 Co-60 <4.1 <10 Cs-134 <4.8 <10 Cs-137 <4 .0 <10 Sr-89 <0.7 <5 Sr-90 <0.7 <1 SPW-4850 D.I. Water Sep 1987 Th-228 <0.04 <1 Th-232 <0.8 <1 U-234 <0.03 <1 U-235 <0.03 <1 U-238 <0.02 <1 Am-241 <0.06 <1 Cm-242 <0.04 <1 Ra-226 <0.1 <1 Ra-228 <1.0 <2 SPW-4859 D.I. Water Oct 1987 Fe-55 <0.5 <1 l SPS-5348 Mil k Dec 1987 Cs-134 <2.3 <10 l Cs-137 <2 . 5 <10 SPW-5384 D.I. Water Dec 1987 Co-60 <2.8 <10 Cs-134- <2.6 <10 Cs-137 <2.8 <10 1-131' -<0.2 <1 Ra-226 <0.1 -<1-Ra-228 <1.2 <2 Sr-89 <0.5- .1 S r <0.4 <1 SPW-5385 D.I. Water Nov 1987 Gross alpha <0.4 -<1 Gross beta <2.2 <4 Fe-55 <0.3 <1 SPS-5386 Mil k Jan 1988 I-131 <0.1 <1 SPW-5448 " Dead" Water Jan 1988 H-3 <177 <300 A-30

- . . . . . . - - - - - - - . _ . . . _ - - . . _ . - - = - - - . . - . . . - ~

l ..

l .

Table A-4. In-house " blank" samples (continued)

Concentration (pCi/L)

Acceptance Lab Sample Date Results Criteria Code Type Collected Analysis (4.66 c) (4.66 o)

SPS-5615 Milk Har 1988 Cs-134 <2.4 <10 Cs-137 <2.5 <10 1-131 <0.3 <1 Sr <0.4 <5 Sr-90 2.420.5a <1 SPS-5650 D.I. Water Har 1988 Th-228 <0.3 <1 ,

Th-230 <0.04 <1 Th-232 <0.05 <1 U-234 <0.03 <1 U-235 <0.03 <1 U-238 <0.03 <1 Am-241 <0.06 <1 Cm-242 <0.01 <1 Pu-238 <0.08 <1 Pu-240 <0.02 <1 SPS-6090 Mil k Jul 1988 Sr-89~ <0.5 <1 S r-90 1.820.5 <1 1-131 <0.4 <1 Cs-137 <0.4 <10 SPW-6209 '/ater Jul 1988 Fe-55 <0.8 <1 SPW-6292 Water Sep 1988 Sr-89 <0.7 <1 Sr-90 <0.7 <1 SPS-6477 Mil k Oct 1988 1-131 <0. 2 <1 Cs-134 <6.1 <10 Cs-137 <5.9 <10 SPW-6478 Water Oct 1988 1-131 <0.2 <1 SPW-6479 Water Oct 1988 Co-60 <5.7 <10 C s-134 <3.7 <10 Cs-147 <4 . 3 <10 SPW-6460 Water Oct 1988 H-3 <170 <300 SPW-6625 Water Dec 1988 Gross alpha <0.7 <1 Gross beta <1.9' <4 A-31

1 i

Table A-4. In-house " blank" samples (continued)

Concentration (pC1/L)

Acceptance Lab Sample Date Results Criteria Code Type Collected Analysis (4.66 o) (4.66 c)_

SPS-6723 Mil k Jan 1989 Sr-89 <0.6 <5 Sr-90 1.910.Sa <1 1-131 <0.2 <1 Cs-134 <4.3 <10 Cs-137 <4.4 <10 SPW-6877 Water Mar 1989 Sr-89 <0.4 <5 Sr-90 <0.6 <1 i

SPS-6963 Milk Apr 1989 I-131 <0.3 <1 Cs-134 <5.9 <10 Cs-137 <6.2 <10 SPW-7561 Water Apr 1989 H-3 <150 <300 SPW-7207 Water Jun 1989 Ra-226 <0.2 <1 Ra-228 <0.6 <1 SPS-7208 Mil k Jun 1989 Sr-89 <0.6 <5 Sr-90 2.110.5a <1 1-131 <0.3 <1 Cs-134 <6.4 <10 Cs-137 <7.2 <10 SPW-7558 Water Jun 1989 Gross alpha <0.2 <1 Gross beta <1.0 <4 SPS-7322 Mil k Aug 1989 Sr-89 <1.4 <S l Sr-90 4.8tl.0a <1 1-131 <0.2 <1 Cs-134 <6.9 <10 Cs-137 <8.2 <10 SPW-7559 Water Sep 1989 Sr-89 <2.0 <5 Sr-90 <0.7 <1 SPW-7560 Water Oct 1989 I-131 <0 .1 <1 SPW-7562 Water Oct 1989 H-3 <140 <300 t

-A-32

l .

a Table A-4 In-house " blank" samples (continued) l Concentration (DC1/L)

Acceptance Lab Sample Date Results Criteria Code Type Collected Analysis (4.66c) (4.66 o)

SPS-7605 Mil k Nov 1989 1-131 <0.2 <1 Cs-134 <C.6 <10 Cs-137. <10 <10

SPW-7971 Water Dec 1989 Gross alpha - <0.4 <1 Gross beta <0.8 <4 SPW-8039 Water Jan 1990 Ra-226 <0.2 <1 SPS-8040 Mil k Jan 1990 Sr-89 <0.8 <5 Sr-90 <1.0 <1 l 1

SPS-8208 Mil k Jan 1990 Sr-89 <0.8 <5 Sr-90 1.610.Sa <1 Cs-134 <3.6 <10 Cs-137 <4.7 <10 SPS-8312 Mil k Feb 1990 Sr-89 <0.3 <5 Sr-90 1.210.3a <1 SPW-8312A Water Feb 1990 Sr-89 <0.6 <5 S r-90 <0.7 <1 SPS-8314 Mil k Mar 1990 1-131 <0.3 <1 SPS-8510 Mil k May 1990 1-131 <0.2 <1 Cs-134 <4.J <10 Cs-137- <4.8 <10 SPW-8511A Water May 1990- H-3 <200 <300 SPS-8600 Mil k Jul 1990 Sr-89 <0.8 <5 Sr-90 1.7 0.6a <1 1-131 <0.3 <1  :

Cs-134 <5.0 <10 l C s-137 <7.0 <10 SPH-8877 Mil k . Aug 1990 1-131 <0.2 '1<

SPW-8925 Water Aug 1990 H-3 <200 <300 A-33

Table A-4 In-house " blank" samples (continued)

Concentration (DCi/L)

Acceptance Lab Sample Date Results Criteria Code Type Collected Analysis (4.66c) (4.66c)

SPW-8926 Water Aug 1990 Gross alpha <0.3 <1 Gross beta <0.7 <4 SPW-8927 Water Aug 1990 U-234 <0.01 <1 U-235 <0.02 <1 U-238 <0.01 <1 SPW-8928 Weter Aug 1990 Mn-54 (4.0 <5 Co-58 <4.1 <5 Co-60 <2.4 <5 Cs-134 <3.3 <5 Cs-137 <3.7 <5 SPW-8929 Water Aug 1990 S r-89 <1.4 <5 Sr-89 <0.6 <1 SPW-69 Water Sep 1990 Sr-89 <1.8 <5 S r-90 <0.8 <1 SPW-106 Water Oct 1990 H-3 <180 <300 SPM-107 Mil k Oct 1990 1-131 <0.4 <1 Cs-134 <3.3 <5 Cs-137 <4.3 <5 l

l SPW-370 Water Oct 1990 Mn-54 <1.7 <5 00-58 <2.6 <5 Co-60 <1.6 <5 Cs-134 <1.7 <5 C s-137 <1.8 <5 SPW-372 Water Dec 1990 Gross alpha <0.3 <1 Gross beta <0.8 <4 a Low level of Sr-90 concentration in milk (1 - 5 pCi/L) is not unusual.

A-34

. TIME-BLIND-01 Revision 0, 12-29-86 ATTACHMENT B ACCEPTANCE CRITERIA FOR " SPIKED' SAMPLES  %

LABORATORY PRECISION: ONE STANDARD DEVIATION VALUES FOR VARIOUS ANALYSESa One Standard Deviation Analysis Level for Single Determination Gama Emitters 5 to 100 pCi/ liter or kg 5 pCi/ liter

>100 pC1/ liter or kg 5% of known value s

Strontium-89b 5 to 50 pCi/ liter or kg 5 pC1/ liter

- >50 pC1/ liter or kg 10% of known value Strontium-90b 2 to 30 pC1/ liter or kg 3.0 pCi/ liter

>30 pCi/ liter of kg 10% of known value Potassium >0.1 g/ liter or kg 5% of known value Gross Alpha <20 pC1/ liter 5 pCi/ liter

>20 pCi/ liter 25% of known value Gross Beta <100 pCi/ liter 5 pC1/ liter

>100 pCi/ liter 5% of known value Tritium <4,000 pCi/ liter is = (pC1/ liter) =

169.85 x (known).0933

>4,000 pC1/ liter 10% of known value Radium-226, <).1 pCi/ liter 15% of known value Radium-228 Plutonium 0.1 pC1/ liter, gram, 10% of known value or sample lodine-131, b <55 pCi/ liter 6 pCi/ liter lodine-129 >55 pC1/ liter 10% of known value Uranium-238 <35 pCi/ liter 6 pCi/ liter Nickel-638, >35 pCi/ liter 15% of known value Technetium-99b Iron-55b 50 to 100 pC1/ liter 10 pCi/ liter

>100 pCi/ liter 10% of known value a

From EPA publication, " Environmental Radioactivity Laboratory Intercompari-son Studies Program, Fiscal Year 1981-1982, EPA-600/4-81-004.

b TIML limit.

A-35

o ADDENDUM TO APPENDIX A The following is an explanation of the reasons why certain samples were outside the control limit specified by the Environmental Protection Agency for the Interlaboratory Comparison Program starting January 1987.

EPA TIML Control Result Limit Lab Code Analysis (pCi/L)a (pCi/L)a Explanation STM-504 S r-89 57.014.3 60.3-77.7 Milk had high fat content which Sr-90 32.021.0 32.4-37.6 made analyses difficult. Ad-dition of errors to TIML result would put values within EPA

, control limits. EPA also had the same problem in analyzing its own sample.

STW-511 Ra-228 8.121.4 4.6-8.0 TIML results are usually within EPA control limits. Analysis of the next sample was within EPA control limits. No further action is planned.

STW-516 C r-51 80.3117.5 61.3-78.7 Results in the past have been within EPA control limits and TIML will monitor the situation in the future.

STF-524 K 1010.71158.5b 1123.5-1336.5b Error in transference of data.

Correct data was 1105233 mg/kg.

Results in the past have been within the limits and TIML will monitor the situation in the future.

STW-532 1-131 9.012.0 6.2-8.8 Sample recounted af ter 12 days.

l The average result was 8.811.7 l

pC1/L (within EPA control limits). The sampl e was recounted in order to check the decay. Results in the past-have been within the limits and TIML will continue to monitor the situation in the future, a Reported in pC1/L unless otherwise noted, b Concentrations are reported in mg/kg.

A-36

~ .

= 0 ADDENDUM TO APPENDIX A (continued)

EPA TIML Control Result Limit Lab Code Analysis (pCi/L)a (pCi/L)a Explanation STW-534 Co-60 63.311.3 41.3-58.7 High level of Co-60 was due to contamination of beaker. Beaker was discarded upon discovery of contamination and sample was recounted. Recount results 53.213.6 and 50.912.4 pC1/L.

STM-554 Sr-90 51.012.0 54.8-65.2 The cause of low result was due to very high fat content in the mil k. It should be noted that 63% of all participants failed this test. Also, the average for all participants was 54.0 pCi/L before the Grubb and 55.8 pC1/L after the Grubb.

STW-560 Pu-239 5.8 1.1 3.5-4.9 The cause of high results is not known it is suspected that the standard was not properly calibrated by supplier and is under investigation. New Pu-236 standard was obtained and will be used for the next test.

STW-568 Ra-228 2.611.0 2.7-4.5 The cause of low results is not known. Next EPA crosscheck results were within the control limits. No further action is planned.

STM-570 Sr-89 26.0*10.0 30.3-47.7 The cause of low results was S r-90 45.714.2 49.8-60.2 f alsely high recovery due to suspected incomplete calcium removal. Since EPA sample was used up, internal spike was prepared and analyzed. The results were within control limits (See table A-3, sample QC-MI-24). No further action is planned, a Reported in pC1/L unless otherwise noted.

l i

A-37

a $

,e.

ADDENDUM TO APPENDIX A (continued)

EPA i TIML Control Result Limit Lab Code Analysis (pCi/L)a (pC1/L)2 Explanation l

STW-589 Sr-90 17.3tl.2 17.4-22.6 Sample was reanalyzed in tri-plicate; results of reanalyses 18.8tl.5 pC1/L. No further action is planned.

STM-599 K 1300.0169.2C 1414.7-1585.3c Sample was reanalyzed In trip-lichte. Res91ts of reanalyses, 1421.7195.3 mg/L. The cause of low results is unknown.

STW-601 Gross 11.0t2.0 11.6-32.4 Sample was reanalyzed in trip-

  • Alpha licate. Results of reanalyses, 13.4tl.0 pCi/L.

a Reported in pC1/L unless otherwise noted, c Concentrations are reported in mg/L.

1 i

ll A-38

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