ML20151Y598

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Radiological Environ Monitoring Program for Big Rock Point Nuclear Generating Plant,1987
ML20151Y598
Person / Time
Site: Big Rock Point File:Consumers Energy icon.png
Issue date: 12/31/1987
From: Huebner L
TELEDYNE ISOTOPES MIDWEST LABORATORY
To:
Shared Package
ML20151Y509 List:
References
NUDOCS 8805050043
Download: ML20151Y598 (91)


Text

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SPTELEDYNE ISOTOPES W10 WEST LABORATORY 1500 FRONTAGE RO.

NORTH 8 ROOK, IL 000624197 Q12) 5644700 MONTHLY PROGRESS REPORT TO CONSUMERS POWER COMPANY JACKSON, MICHIGAN RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM FOR BIG ROCK POINT NUCLEAR GENERATING PLANT PREPARED AND SUBMITTED BY TELEDYNE ISOTOPES MIDWEST LABORATORY Project No: 8022 Reporting Period: January - December, 1987 Approved by: /p/ Date S,[R///

V f. G'. Nuebner ' '

/ General Manager Distribution: T. P. Neal (1 copy)

R. L. Burdette (1 copy) 8805050043 880429 PDR ADOCK 06000155 R DCD

[ . .

i BIG ROCK POINT TABLE OF CONTENTS Section Page List of Tables ....................... iii 1.0 Introduction ........................ 1 2.0 Listing of Missed Samples . . . . . . . . . . . . . . . . . . 2 Appendices A Interlaboratory Comparison Program Results ......... A-1 B Data Reporting Conventions ................. B-1 l

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BIG ROCK POINT LIST OF TABLES No.a Page 1 Airborne Particulates and Iodine-131 Locations ST, NM, CH, and SL . . . . . . . . . . . . . . . . . . . . . 4 2 Airborne Particulates and Iodine-131, Locations PT, BC, and TR . . . . . . . . . . . . . . . . . . . . . . . 8 3 Genua Radiation, as Measured by TLDs, Monthly Exposure ... 12 4 Gamma Radiation, as Measured by TLDs, Quarterly Exposure .. 14 Gamma Radiation, as Measured by TLDs, Annual Exposure . . . . 15 6 Lake Water, Inlet and Discharge . . . . . . . . . . . . . . . 16 7 Dri n k i n g L ak e Wat er . . . . . . . . . . . . . . . . . . . . . 17 8 Well Water ......................... 18 9 Milk .......................... . 19 10 Vegetation . . . . . . . . . . . . . . . . . . . . . . . . ... 21 11 Fish . . . ........................... 22 12 Crayfish . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 13 Periphyton . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 14 Algae . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 15 Bottom Sediments . . . . . . . . . . . . . . . . . . . . . . . . 36 16 Reactor Effluent Samples 16.1 Liquid Radwaste . . . . . . . . . . . . . . . . . . . . 38 16.2 Stack Filters . . . . . . . . . . . . . . . . . . . . . 40 Special Samoles NR C S p l i t S amp l e s . . . . . . . . . . . . . . . . . . . 41

  • Numbers are given only to tables presented in this report. Other tables will be added in later reports.

iii

BIG ROCK P0lNT i

1.0 INTRODUCTION

The following consititutes the current Monthly Progress Report for the Radio-logical Environmental Monitoring Program conducted at the Big Rock Point Nuclear Generating Plant, Big Rock, Michigan. Results of completed analyses are presented in the attached tables. Missing entries indicate analyses that are not completed and the results will appear in subsequent reports.

i Data obtained in the program are well within the ranges previously encountered l in the program and to be expected in the environmental media sampled, l

None of the media sampled this month contained radioactivity attributable to the operation of Big Rock Nuclear Generating Plant.

For all gama isotopic analyses, spectrum is computer scanned from 80 to 2048 kev. Specifically included are Mn-54, Co-58, Fe-59, Co-60, Zn-65, Ir-95, Nb-95, I-131, Ba-La-140, Cs-134, and Cs-137.

i Naturally-occurring I gama-emitters, such as K-40 and Ra daughters, a'e frequently detected but not I listed here. Data listed as "<" are at the 4.66 sigma level, others are 2 sigma. i

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1 All concentrations, except gross beta, are decay corrected to the time of collection.

Deviations from Scheduled Sampling All samples were collected within the scheduled period unless noted otherwise in the Listing of Missed Samples.

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BIG ROCK POINT 2.0 LISTING 0F MISSED SAMPLES Expected Collection Sample Type Location Date Reason

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l TLD BRP-08 03-05-87 Lost in the field. l TLD BRP-09 05-07-87 Lost in the field.

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l NOTE: Page 3 is intentionally left out.

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BIG ROCK POINT Table 1. Airborne Particulates and Iodine-131 Collection: Weekly Units: pC1/m3 ST-BIG ROCK POINT (1) NM-NINE MILE POINT (2) CH-CHARLEVOIX (3) SL-S. OF SUSAN LK (4)

Collection > Volume . Gross Volume Gross Volume Gross Volume Gross Date (m3) Beta I-131 (m3) Beta I-131 (m3) Beta I-131 (m3) Beta I-131 1 01-08-87 195 0.01610.004 <0.059 186 0.02110.005 <0.062 186 0.01610.005 <0.062 186 0.01910.005 <0.062 01-15-87 224 0.02710.004 <0.067 221 0.02610.004 <0.068 211 0.02310.004 <0.071 223 0.02410.004 <0.067 01-22-87 227 0.015t0.004 <0.067 216 0.02010.004 <0.070 211 0.01310.004 <0.072 219 <0.006 <0.069

= 01-29-87 228 0.01910.004 <0.033 218 0.01910.004 <0.034 212 0.01410.004 <0.035 218 0.02010.004 <0.034

02-05-87 234 0.02210.004 <0.063 223 0.02210.004 <0.067 217 0.01810.004 <0.068 223 0.02310.004 <0.067 02-12-87 229 0.02210.004 <0.043 200 0.02010.004 <0.049 211 0.01310.004 <0.047 215 0.01510.004 <0.067 02-19-87 224 0.01910.004 <0.051 236 0.01910.004 <0.048 213 0.01810.004 <0.053 220 0.01510.004 <0.052 02-26-87 231 0.01510.004 <0 061 216 0.01710.004 <0.066 308 0.01510.003 <0.046 219 0.01610.004 <0.065 03-05-87 235 0.01210.003 <0.066 224 0.01210.004 <0.069 316 0.01210.003 <0.049 224 0.01310.004 <0.069 03-12-87 223 0.03010.005 <0.019 221 0.02510.004 <0.020 306 0.02010.003 <0.014 215 0.02910.005 <0.020 03-19-87 221 0.02310.004 <0.060 221 0.02110.004 <0.060 317 0.01910.003 <0.039 224 0.02410.004 <0.055 03-26-87 227 0.01210.004 s0.056 226 0.01010.003 <0.056 305 0.00710.002 <0.042 223 0.01410.004 <0.057 04-02-87 224 0.01510.004 <0.055 222 0.01410.004 <0.056 314 0.00910.003 <0.039 220 0.01310.004 <0.056 1st Qtr meantsd 0.01910.006 0.01910.005 0.01510.004 0.01910.005 t

BIG ROCK POINT Table 1. Airborne Particulates and Iodine-131 (continued)

Collection: Weekly Units: pC1/m3 ST. BIG ROCK POINT (1) NM-NINE MILE POINT (2) CH-CHARLEVOIX (3) SL-S. OF SUSAN LK (4)

Collection Volume Gross Volume Gross Volume Gross Volume Gross Date (m3) Beta I-131 (m3) Beta I-131 (m3) Beta I-131 (m3) Beta I-131 04-09-87 224 0.01810.003 <0.055 223 0.01610.003 <0.057 310 0.01610.002 <0.0d0 218 0.019t0.003 <0.057

04-16-87 225 <0.006 <0.065 231 0.01410.004 <0.063 298 0.01510.003 < 0.049 225 0.01410.004 <0.065 i 04-23-87 229 0.01710.004 <0.039 221 0.00810.003 <0.040 325 0.00710.002 <0.028 222 0.01310.004 <0.040 i = 04-30-87 226 0.01110.003 <0.066 225 0.00910.003 <0.066 286 0.01010.003 <0.052 222 0.00810.003 <0.068 05-07-87 225 0.02010.004 <0.058 225 0.01610.004 <0.058 306 0.02010.003 <0.043 219 0.01810.004 <0.060 i 05-14-87 230 0.01710.004 <0.053 230 0.01410.004 <0.053 301 0.01510.003 <0.041 222 0.01610.004 <0.056 1 05-21-87 228 0.00910.004 <0.054 229 0.01010.004 <0.054 300 0.01110.003 <0.041 227 0.01010.004 <0.054 05-28-87 227 0.01510.004 <0.058 224 0.01210.004 <0.059 228 0.01010.003 <0.053 221 0.010i0.003 <0.060 i 06-04-87 234 0.01710.004 <0.027 234 0.02410.005 <0.027 261 0.01810.004 <0.024 231 0.021*0.005 <0.027

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06-11-87' 227 0.03510.005 <0.052 220 0.01210.005 <0.054 281 0.01410.004 <0.042 217 0.01210.005 <0.055 06-16-87 228 0.02110.004 <0.055 224 0.02110.004 <0.056 254 0.02010.004 <0.049 228 0.02010.004 <0.055 06-25-87 234 0.01810.004 <0.059 229 0.02010.004 <0.060 268 0.82310.008 <0.051 229 0.01610.004 <0.060 2nd Qtr mean 0.01810.007 0.01510.005 0.02310.032 0.01510.004 i s.d.

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_ . _ _ _ _ _ _ _ _ _ _ _ _.____ -_ - _ - - - __ _ _ _ _ _ ___m - _ r

BIG ROCK POINT Table 1. Airborne Particulaf,es and Iodine-131 (continued)

Collection: Weekly Units: pC1/m3 ST-BIG ROCK POINT (1) NM-NINE MILE POINT (2) CH-CHARLEVOIX (3) SL-S. OF SUSAN LK (4)

Collection Volume Gross Volume Gross Volume Gross Volume Gross Date (m3) Beta I-131 (m3) Beta I-131 (m3) Beta I-131 (m3) Beta I-131 07-02-87 231 0.00710.003 <0.050 230 0.01410.004 <0.051 283 0.00910.003 <0.041 227 0.01210.004 <0.051 07-09-87 232 0.01210.003 <0.060 229 0.01410.004 <0.061 258 0.01310.003 <0.054 222 0.01910.004 <0.063 07-16-87 226 0.01210.004 <0.058 221 0.00910.003 <0.059 263 0.01110.003 <0.049 254 0.00710.003 <0.051 07-23-87 233 0.03010.004 <0.055 217 0.02410.004 <0.059 240 0.02610.004 <0.053 228 0.03010.004 <0.056 07-30-87 232 0.02310.004 <0.051 219 0.02510.004 <0.054 243 0.01910.004 <0.049 228 0.02510.004 <0.052 08-06-87 228 0.01810.003 <0.074 231 0.01510.004 <0.062 502 0.01310.002 <0.029 231 0.01410.004 <0.062 08-13-87 226 0.01610.004 <0.059 225 0.01310.004 <0.060 453 0.03110.003 <0.030 222 0.01510.004 <0.060 08-20-87 226 0.01610.004 <0.037 231 0.01810.004 <0.036 572 0.01710.002 <0.015 230 0.01110.003 <0.036 08-27-87 224 0.01410.004 <0.065 223 0.01110.0(1 <0.065 576 0.01410.002 <0.064 223 0.01410.004 <0.065 09-03-87 227 0.01510.004 <0.061 229 0.01610.004 <0.061 584 0.01410.002 <0.024 228 0.01310.004 <0.051 09-10-87 224 0.02910.004 <0.064 229 0.01810.004 <0.062 298 0.00910.003 <0.048 226 0.01210.004 <0.063 09-17-87 226 0.01810.003 <0.051 L26 0.01910.003 <0.051 300 0.02010.002 <0.038 225 0.01610.003 <0.051 09-24-87 225 0.00910.003 <0.054 230 0.00810.003 <0.053 295 0.00810.002 <0.041 228 0.00810.003 <0.054 10-01-87 228 0.02410.004 <0.056 230 0.02110.004 <0.055 298 0.04010.004 <0.043 229 0.01910.004 <0.005 3rd Qtr mean i s.d. 0.01810.007 0.01610.005 0.019 0.010 0.01510.006

BIG ROCK POINT Table 1. Airborne Particulates and Iodine-131 (continued)

Collection:

Units: pCi/mpekly ST-BIG ROCK POINT (1) NM-BIG ROCK POINT (2) CH-CHARLEVOIX (3) SL-S. OF SUSAN LK (4)

Collection Volume Gross Volyse Gross Volyme Gross Volyme Gross Date (m3) Beta I-131 (m3) Beta I-131 (m3) Beta I-131 (m3) Beta I-131 10-08-87 221 0.01l810.004 <0.070 218 0.00910.003 <0.070 35a 0.01710.019 <0.447 222 0.00910.003 <0.069 10-15-87 219 0.02910.004 <0.059 224 0.02510.004 <0.057 199 0.02810.005 <0.065 222 0.03710.005 <0.058 10-22-87 223 0.02410.003 <0.062 223 0.02610.003 <0.062 213 0.01610.003 <0.065 220 0.02110.003 <0.063 10-29-87 221 0.00510.003 <0.066 226 0.006t0.003 <0.064 208 0.00510.003 <0.070 223 0.040i0.005 <0.065 11-05-87 221 0.04810.005 <0.063 227 0.01810.004 <0.061 209 0.02210.004 <0.067 224 0.02210.004 <0.062 11-12-87 219 0.01510.004 <0.023 221 0.00610.003 <0.023 209 0.01310.004 <0.024 217 0.01510.004 <0.023 11-19-87 218 0.02410.004 <0.038 223 0.03510.005 <0.037 204 0.03010.005 <0.040 222 0.029 0.004 <0.037 11-27-87 251 0.01510.004 '<0.036 254 0.01810.009 <0.035 238 0.01710.004 <0.038 251 0.01410.004 <0.036 12-03-87 186b 0.01410.004 <0.048 189b 0.01110.004 <0.047 176b 0.011i0.004 <0.051 187b 0.01010.004 <0.048 12-10-87 217 0.01210.004 <0.062 223 0.01510.004 <0.060 101c 0.01310.007 <0.133d 219 0.00910.003 <0.061 12-17-87 218 0.01310.004 <0.049 195 0.00510.004 <0.055 203 0.0072').004 <0.052 195 0.01310.004 <0.055 12-23-87 188b 0.02610.005 <0.066 190 0.02710.005 <0.065 180 0.02210.005 <0.069 188 0.02510.005 <0.066 12-30-87 216 0.03810.005 <0.058 221 0.02910.004 <0.056 204 0.03710.005 <0.061 219 0.03410.005 <0.057 4th Qtr meants.d. 0.02210.012 0.01810.010 0.01810.009 0.02110.011 8 Low volume due to blown fuse.

b Pump ran for 6 days.

c Low volume due to motor not working.

d Elevated volume due to low volume.

BIG R L POINT Table 2. Airborne Particulates and Iodine-131 Collection: Weekly Units: pCi/m3 PT-PETOSKY (5) 8C-80YNE CITY (6) TR-TRAVERSE CITY (7)

Collection Volume Gross Volume Gross Collection Volume Gross Date (m3) Beta I-131 (m3) Beta I-131 Date Beta (m3) I-131 01-08-87 194 0.01610.004 <0.059 183 0.01510.005 <0.063 01-07-87 159 0.01910.005 <0.072 01-15-87 228 0.02310.004 <0.069 223 0.02810.004 <0.067 01-14-87 221 . 0.02410.004 <0.068 01-22-87 224 0.01410.004 <0.068 216 0.01910.004 <0.070 01-21-87 215 0.02010.004 <0.071 01-29-87 222 0.02210.004 <0.033 218 0.01710.004 <0.034 01-28-87 219 0.02210.004 <0.034 02-05-87 229 0.02310.004 <0.065 223 0.01910.004 <0.067 02-05-87 250 0.02510.004 <0.059 02-12-87 225 0.01910.004 <0.044 218 0.01910.005 <0.045 02-11-87 188 0.02210.004 <0.052 02-19-87 226 0.01610.004 <0.050 216 0.01610.004 <0.053 02-18-87 219 0.01510.004 <0.052 02-26-87 225 0.01510.004 <0.063 217 0.01610.004 <0.065 02-26-87 257 0.01110.004 <0.055 03-05-87 232 0.00810.003 <0.067 223 0.01010.003 <0.069 03-05-87 212 0.01010.004 '0.073 03-12-87 228 0.02510.004 <0.019 219 0.03110.005 <0.020 03-11-87 189 0.03110.005 <0.023 03-19-87 230 0.02510.004 <0.053 216 0.02310.004 <0.057 03-18-87 212 0.02110.004 m <0.058 03-26-87 232 0.01210.004 <0.055 227 0.01210.004 <0.056 03-25-87 222 0.01210.004 <0.057 04-02-87 225 0.011i0.004 <0.055 215 0.01710.004 <0.058 04-02-87 257 0.00410.003 <0.048 1st Qtr meanisd 0.01810.006 0.01910.006 0.01810.007

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BIG ROCK POINT

, Table 2. Airborne Particulates and Iodine-131 (continued)

Collection: Weekly i Units: pCi/m3 i

PT-PETOSKY (5) BC-B0YNE CITY (6) 1R-TRAVERSE CITY (7) i Collection Volume Gross Volume Gross Collection Volume Gross Date (m3) Beta I-131 (m3) Beta I-131 Date (m3) Beta I-131 04-09-87 229 <0.004 <0.054 219 0.01010.003 <0.057 04-08-87 182 0.01710.004 <0.'068 04-16-87 233 0.019t0.004 <0.062 225 0.02010.004 <0.065 04-15-87 221 0.01310.004 <0.066 -

04-23-87 231 0.01110.003 <0.039 213 0.01010.004 <0.042 04-22-87 222 0.01410.004 <0.040 04-30-87 239 0.00910.003 <0.062 226 0.01110.003 <0.066 04-29-87 219 0.01410.004 <0.068 05-07-87 235 0.020i0.004 <0.056 220 0.01910.004 <0.059 05-07-87 253 0.01710.004 <0.052 e 05-14-87 242 0.01510.004 <0.051 225 0.01910.004 <0.055 05-13-87 1% 0.01910.004 <0.063 05-21-87 244 0.01010.004 <0.050 231 0.01410.004 <0.053 05-20-87 231 0.01110.004 <0.053 1 05-28-87 233 0.00810.003 <0.057 218 0.01010.004 <0.061 05-27-87 229 0.008i0.003 <0.058 i 06-04-87 251 0.01710.004 <0.026 235 0.01710.004 <0.027 06-04-87 270 0.02310.004 <0.024 4 06-11-87 235 0.01410.004 <0.051 219 0.01710.005 <0.954 06-10-87 1% 0.018t0.005 <0.061 3

06-18-87 241 0.01610.004 <0.052 225 0.02210.004 <0.056 06-18-87 269 0.01810.003 <0.047

. 06-25-87 245 0.020io.004 <0.056 226 0.02310.004 <0.061 06-24-87 200 0.02610.005 <0.069 2nd Qtr meanisd 0.01410.004 0.01310.006 0.01410.008 m _ _ _ _ _ _ _ _. _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ . _ _ _ _ . _ _ . _ . _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ . _ _ _ . _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ . _ _ _ _ _ _ ._ __ -- _ _ _ _ __ - _ _ _ , _ _ _ _ __

1 BIG ROCK POINT Table 2. Airborne Particulates and Iodine-131 (continued)

Collection: Weekly Units: pC1/m3 PT-PETOSKY (5) BC-B0YNE CITY (6)

Collection Volume Gross Volume TR-TRAVERSE CITY (7)

Gross Collection Volume Gross Date (m3) Beta I-131 (m3) Beta I-131 Date (m3) Beta I-131 07-02-97 249 0.01010.003 <0.047 232 0.01010.003 <0.050 07-02-87 268 0.00710.003 <0.043 07-09-87 243 0.01410.003 <0.057 220 0.01710.004 <0.063 07-08-87 07-16-87 199 0.08810.007 <0.070 241 0.00910.003 <0.054 220 0.01410,004 <0.057 07-16-87 233 0.01110.003 07-23-87 244 0.02410.004 <0.056

<0.052 224 0.02410.004 <0.057 07-22-87 236 0.02510.004 07-30-87 248 0.01910.004 <0.054 l -

<0.048 227 0.02610.004 <0.052 07-30-87 268 0.02210.004 08-06-87 <0.044 255 0.01110.003 <0.056 235 0.00910.003 <0.061 08-06-87 237 08-13-87 241 0.01710.004 0.19510.010 <0.061

<0.056 218 <0.006 <0.062 08-12-87 200 0.01210.004 08-20-87 242 0.01710.004 <0.067

<0.034 227 0.01610.004 <0.037 08-19-87 236 0.01410.003 08-27-87 241 0.01710.004 <0.060 <0.035 228 0.030r0.004 <0.064 08-26-87 230 <0.006 <0.063 3 09-03-87 240 0.01310.003 <0.058 221 0.038i0.005 <0.063 09-03-87 264 0.02310.006 <0.053 09-10-87 226 0.11810.008 <0.063 231 0.05610.006 <0.062 09-09-87 202 0.02410.005 <0.071 09-17-87 237 0.02010.003 <0.049 218 0.18910.010 <0.053 09-24-87 09-17-87 269 0.01310.002- <0.043 246 0.69710.017 <0.050 229 0.0GEt0.003 <0.053 10-01-87 09-23-87 191 0.00710.004 <0.064 245 0.01610.004 <0.052 227 0.050io.005 <0,056 10-01-87 265 0.01710.003 <0,048 3rd Qtr mean i s.d 0.07110.182 0.037i0.048 0.03510.052 i

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BIG ROCK POINT Table 2. Airborne Particulates and Iodir;e-131 (continued) ,

Collection: Weekly Units: pCi/m3 PT-PETOSKY (5) BC-BOYNE CITY (6) TR-TRAVERSE CITY (7)

Collection Volume Gross Volyme Gross Collection Volyme Gross Date (m3 ) Beta I-131 (m3) Beta I-131 Date (m3) 8 eta I-131 10-08-87 240 0.00810.003 <0.064 222 0.00910.003 <0.069 10-08-87 227 0.00910.003 <0.068 10-15-87 238 0.03210.004 <0.054 220 0.01610.004 <0.058 10-15-87 229 0.03710.005 <0.056 10-22-87 234 0.01510.003 <0.059 193 0.02310.004 <0.072 10-22-87 233 0.01910.003 <0.060 10-29-87 239 0.00910.003 <0.061 198 0.02710.005 <0.074 10-29-87 225 0.00910.003 <0.065

- 11-05-87 246 0.58610.016 <0.057 204 0.02110.004 <0.068 11-05-87 229 0.02410.004 <0.061

~

11-12-87 233 0.01210.003 <0.022 187 0.01410.004 <0.027 11-12-87 227 0.00610.003 <0.022 11-19-87 239 0.03110.004 <0.034 198 0.04010.005 <0.041 11-19-87 227 0.08210.007 <0.036 11-27-87 268 0.01210.003 <0.033 218 0.01910.004 <0.041 11-27-87 263 0.01710.004 <0.034 12-03-87 204a 0.03510.005 <0.044 167a 0.04310.006 <0.054 12-03-87 184 0.01010.004 <0.049 12-10-87 242 0.02910.004 <0.056 198 0.01910.004 <0.068 12-10-87 195 0.01010.003 <0.069 12-17-87 235 0.014i0.004 <0.045 187 0.05010.006 <0.057 12-17-87 225 <0.006 <0.047 12-23-87 200a 0.02310.005 <0.062 166 0.01810.005 <0.070 12-23-87 185 0.07810.008 <0.067 12-30-87 238 0.03010.004 <0.050 173 0.03010.005 <0.069 12-30-87 229 0.03010.004 <0.052 4th Qtr meants.d. 0.02110.010b 0.02510.012 0.02610.025 a Pump ran for 6 days.

b Gross beta value for 11-05-87 is excluded from the mean.

u_ ___.m_- ---_____ - _ - _ _ _ . - _ _ - _ _ _ _ _ _ _ - - - - - - - - _ _ _ _ _ _ _ _ _ _ - - - _ _ . _ _ _ _ _ _ __ m- - __ _ -_ _-_m-_ _ _ _ . . _ - _ _ _ _ _ _ _ _ . _ _ _ _ _ . _ _ _ . _ _ _ _ _

BIG ROCK POINT .

Table 3. Gamma Radiation, as Measured by TLDs Exposure: Monthly January February March April May June Date Placed 01-02-87 02-05-87 03-05-87 04-02-87 05-07-87 06-04-87 Date Removed 02-05-87 03-05-87 04-02-87 05-07-87 06-04-87 07-02-87 In-Transit (mR) 3.110.3 2.210.2 4.210.3 3.310.4 3.810.3 6.310.5 Location mR/30 days net BRP-01 (ST) 13.010.8 12.611.0 15.710.8 17.410.8 14.1tl.3 11.3t0.8 BRP-02(NM) 3.610.4 4.010.4 4.110.3 3.010.4 3.511.0 3.010.7 BRP-03 (Cli) 4.410.6 3.610.2 4.810.8 3.610.5 3.810.5 3.410.5 BRP-04 (SL) 4.510.5 4.519.3 4.410.4 4.510.4 3.610.4 4.310.8

BRP-05 (PT) 4.510.4 3.410.2 4.510.5 4.510.6 3.8i0.5 3.310.6 BRP-06 (BC) 4.810.5 4.910.4 4.810.6 4.910.5 3.510.4 5.311.0 BRP-07 (TR) 3.910.3 4.210.4 4.210.4 3.910.5 3.010.4 3.810.5 Mean i s.d. 5.513.3 5.313.2 6.014.2 6.015.1 5.014.0 4.912.9 BRP-08 (Shield-0ffsite) 3.lio.Sa NDC 2.810.5 2.810.4 2.510.7 2.610.6 BRP-09 (Onsite) 4.310.S 3.010.2 3. 71 0. 5 ND 2.910.6 2.010.6 4

e" 10 (Onsite) 4.010.4 3.510.6 3.610.5 3.810.4 2.610.4 2.410.6 8.x-11 (Onsite) 6.010.6 4.310.5 4.910.4 3.810.5 3.610.4 3.211.0 BRP-12 (Onsite) 6.010.5 4.410.3 4.910.5 4.410.4 5.210.5 4.410.7 BRP-13 (Onsite) 4.910.4 3.610.2 4.810.4 3.810.4 5.110.9 3.410.5 BRP-14 (Onsite) 67.511.4 70.511.9 81.013.0 94.514.2 78.111.0 79.915.7 BRP-15 (Onsite) 82.211.7 86.412.2 131.911.1 162.113.5 126.212.4 119.112.0

! BRP-16 (Onsite) 4.210.4 3.210.5 2.710.4 3.010.3 3.110.4 3.910.7 BRP-17 (Onsite) 11.010.5 10.010.3 10.810.8 10.011.0 9.210.6 8.511.0 BRP-18 (Onsite) 32.210.7 27.710.9 31.610.8 31.411.3 27.511.5 27.211.2 l

Control 1 (Shield-Onsite) 1.910.4a 2.610.2b 2.310.6 1.810.4 1.010.5 1.910.5 Control 2 (Shield-Onsite) 1.810.3a 2.810.2b 2.310.6 1.710.5 1.010.3 2.010.6 Placed 12-24-86; removed 02-05-87; in-transit exposure, (1.410.2)mR.

b Placed 01-29-87; removed 03-05-87, in-transit exposure: (1.2il)mR c ND = No Data. TLDs not received.

_ _ _ _ . _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ - _ ___ ___ _ _ _ _ _ _ _ . _ _ m _ _ _ -_m _

- n. -

e BIG ROCK POINT Table 3. Gamma Radiation, as Measured by T;bs (continued)

Exposure: Monthly July .Ngust September _

October Ncvember December Date ' : r-1 07-02-87 08-06-87 09-03-87 10-01-87 11-05-87 12-03-87 Dat.e *-.- -

08-06-87 09-03-87 10 41-87 11-05-87 12-03-87 01-07-88 0 - - #1 2.410.3 3.410.3 8.310.3 3.010.3 2.410.2 4.510.3 to y mR/30 days net

> - : i) 15.212.2 14.611.8 13.511.0 14.011.1 13.110.4 ;2.310.8 7.:.4 9 M) 3.710.4 3.611.0 3.510.6 3.510.3

'u - 4.510.3 3.310.4

.rP 5.210.5 3.910.7 4.010.8 4.210.4 4.510.3 3.810.3

~

! 4.410.4 5.210.8 4.310.5 4.810.3 4.910.3 4.410.4 s.. 3 4.710.3 4.510.6 4.610.4 5.210.8 5.010.3 3.810.2 BRF 2 ';L ' 4.610.5 5.2 1.4 4.010.4 5.310.6 5.010.4 4.410.3 l

us BRP-07 (1n) 3.910.3 3.910.4 3.910.5 4.410.3 4.510.4 3.910.3

\

l Mean i s.d. 6.014.1 5.8 3.9 5.413.6 5.9t3.6 5.913.2 5.113.2 BRP-08 (Shield-0ffsite) 3.110.4 3.110.4 2.710.7 2.310.4 3.210.4 2.810.5 l

' BRP-09 (Onsite) 3.510.3 2.910.4 3.110.4 3.010.3 3.810.2 2.910.2 BRP-10 (Ontite) 3.510.3 3.410.3 3.610.4 4.210.3 4.110.4 3.510.3 BRP-11 (Onsite) 4.410.3 d.310.7 4.9i0.5 5.010.6 5.010.3 4.310.4 BRP-12 (0nsite) 4.610.3 4.810.4 5.210.6 5.510.6 5.410.4 4.410.4 BRP-13 (Onsite) 4.210.4 4.410.4 4.410.? 5.510.7 4.710.3 4.010.3 BRP-14 (Onsite) 78.716.4 103.514.0 c2.710.6 98.115.7 63.010.9 83.112.6 BRP-15 (Onsite) 125.314.9 180.513.4 153.311.8 172.111.7 138.313.2 141.011.9 BRP-16 (Onsite) 3.510.4 3.110.6 2.710.4 3.410.4 3.310.3 3.010.4 BRP-17 (Cnsite) 8.219.7 10.410.8 10.810.8 10.610.6 10.410.5 9.120.5 BRP-18 (Onsite) 24.011.8 29.411.3 23.710.9 21.110.5 22.610.5 26.610.3 Control 1 (Shield-Onsite) 2.110.3 2.3 0.4 1.810.4 2.110.3 1.810.3 1.910.3 Control 2 (3hield-Onsite) 2.310.3 2.310.3 2.110.4 2.110.3 2.010.2 2.110.3

. . . _ . . _ . . _ _ _ _ _ _ _ _ . _ _ _ . _m . _ _ . _ _ __ . . . . _ .

j BIG ROCK POINT ,

Table 4. Ganna Radiation, as Measured by TLDs Exposure: Quarterly ,

1st Quarter 2nd Quarter 3rd Quarter 4th Quarter i Data Placed 01-02-67 04-02-87 07-02-87 10-01-87 Date Removed 04-02-87 07-02-87 10-01-87 01-07-88 I

In-Transit (mR) 3.610.7 5.510.7 5.110.8 4.410.7

. Location mR/91 days net 3 8RF-01 (ST) 32.611.6 41.411.6 32.611.2 38.412.0 f,RP-02 (NM) 10.610.8 10.410.7 11.211.0 11.510.7 BRP-03 (CH) 11.010.8 12.010.8 11.010.9 12.910.7

, BRP-04 (SL) 12.111.3 14.311.4 13.'211.3 14.211.3 t

BRP-05 (PT) 11.510.9 13.410.9 11.810.8 13.910.7 ~

. BRP-06 (8C) 11.810.7 12.610.9 19.711.1 13.610.8 8RP-07 (TR) 11.610.9 11.510.7 11.011.2 12.810.8

% Mean i s.d. 14.410.7 16.5111.0' 14.817.9 16.819.6 j 8R?-00 (Snield-0ffsite) 8.810.7 7.011.0 7.710.9 9.711.1 I BRP-09 (Onsite) 9.810.9 9.910.7 9.311.0 10.410.8 M P-10 (Onsite) 10.410.8 9.410.9 10.6tl.2 10.710.8 l BRP-11 (Onsite) 12.310.9 13.011.1 12.0tl.1 13.610.9

' BRP-12 (Onsite) 13.310.9 15.210.8 13.910.9 15.410.9 BRP-13 (Onsite) 11.210.7 12.511.C 12.511.3 13.011.1 j BRP-14 (Onsite) 180.517.6 230.414.3 209.615.5 226.913.8 i BRP-15 (Onsite) 255.718.8 385.715.1 354.6116.5 425.713.5 j BRP-16 (Onsite) 9.0f0.9 10.211.0 9.011.0 10.610.8 i BRP-17 (Onsite) 26.211.5 28.011.5 21.111.2 28.111.4 -

) BRP-18 (Onsite) 74.210.9 78.612.1 58.311.6 64.811.5 Control 1 (Shield-Orsite) 6.210.8 6.210.7 5.810.9 6.610.8 i Control 2 (Shield-Onsite) 6.610.8 7.210.8 6.010.9 6.710.7 I

l

  • In-transit exposure has been subtracted from total exposure.

1 i NOTE: Page 15 is intentionalty left out.

I i

________t_._..____.____._____._.___._____ _ . _ . _ _ _ _ _ _ _ _ _ _ _ _ . _ _ _ _ _ _ _ , .. .-, , . _ . . . . . . . . . , . . . . . _ ,.

i BIG ROCK POINT ,

Table 5. Gamma Radiation, as Measured by TL0s Exposure: Annually 1987 Annual Date Placed 01-02-1987 Date Removed 01-07-1988 In-Transit (mR) 13.912.7 Location mR/365 days neta BRP-01 (ST) 209.816.1 BRP-02 (NM) 52.7!3.4 '

BRP-03 (CH) 57.7 3.3 BRP-04 (SL) 60.0 3.5 BRP-05 (PT) 57.9 3.3 BRP-06 C 61.4!3.5 54.1!2.8 BRP-07 R EN Mean i s.d. 79.1!57.7 .

BRP-08 (Shield-0ffsite) MISSING BRP-09 (Onsite) 38.0t3.0 BRP-10(0nsite) 44.8 2.3 BRP-11 (0nsite) 62.811.1 73.7 2.9' BRP-12 (Onsite)

BRP-13(Onsite) 60.3!3.3 BRP-14(Onsite) 1187.3 35.7 BRP-15 (Onsite) 2008.3!74.5 BRP-16(Onsite) 43.9 3.4 BRP-17(Onsite) 139.618.0 BRP-18 (0nsite) 391.5 19.6 Contro's 1 (Shield-Onsite) 26.213.0 Control 2 (Shield-Onsite) 25.6 3.0

  • In-transit exposure has been subtracted from total exposure.

BIG ROCK POINT Table 7. Charlevoix Drinking Water (Lake Water)

Collection: Monthly Composius Units: pCi/l CompositIng Period Lab Code Gross Beta Tritium Required LLD 4.0 500 January 1987 BRDW-353 2.3*0.5 180180 February 1987 636 1.8*0.5 <198 March 1987 1007 2.2*0.5 <161 April 1987a 1393 2.8t0.6 <302 May 1987 1796 1.5i0.7 <297 June 1987 2279 1.8i0.6 <313 hly 1987 2580 2.1*0.6 <301 August 1987 2903 2.8i0.6 <291 September 1987 3365 2.0t0.5 <328 October 1987 3691 <0.8 251t90 November 1987 4179 1.910.6 <130 Decetter 1987 4531 1.8*0.6 <232 a Changed from well water to lake water 04-04-87. l l

l 1

17 I

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BIG ROCK POINT -

Table 6. Lake Water, Inlet and Discharge Collection: Monthly Composites Units: pCf/1 Compositing Gross Gross Othera Period Lab Code Alpha Beta Sr-89 Sr-90 Tritium Cs-134 Cs-137 Gammas Required LLD 1.0 4.0 5.0 1.0 500 15.0 18.0 15.0 ST - Big Rock Point NCP - Inlet

' January 1987 BRLW-351 NA 2.410.4 NAa NA <140 NA NA NA February 1987 633,4 NA 2.510.5 NA NA <198 NA NA NA March 1987 1004 NA 1.610.5 NA NA <151 NA NA NA April 1987 1389 NT; 10.0il.0c <1.6 0.910.4 <302 <2.7 10.613.3 <2.6 May 1987 1733 NA 15.010.8 <2.5 <0.7 <297 <2.6 19.713.2 <2.4 June 1987 2276 NA 2.010.4 NA NA <313 NA NA NA July 1987 2577 NA 10.811.0d <1.3 <0.7 <301 <10.5 <13.8 <10.2 Au3ust 1987 2900 NA 5.810.5 NA NA <291 NA NA NA 5,' September 1987 3362 NA 4.310.4 NA NA <328 NA NA NA October 1987 3687.8 NA 2.310.6 NA NA 213163 NA NA NA Novenber 1987 4175 NA 2.510.5 NA NA 173183 NA NA NA Decenber 1987 4527,8 NA 2.910.4 NA NA 230190 NA NA NA ST - Big Rock Point NGP - Discharge January 1987 BRLW-352 <0.6 2.610.4 <1.9 1.510.7 200180 NA NA NA February 1987 635 <0.5 2.810.4 <1.0 <0.8 272176 NA NA NA March 1987 1005 <0.5 2.210.4 <1.0 <0.8 <151 NA NA NA April 1987 1390 <0.6 2.710.4 <0.9 0.810.5 <302 NA NA NA May 1987 1794 <0.6 3.510.4 'O.3 0.610.2 <297 NA NA NA June 1987 2277 <0.7 2.410.4 <0.9 <0.6 <313 NA NA NA July 1987 2578 <0.7 2.610.4 <0.8 <0.8 <301 NA NA NA August 1987 2901 <0.6 3.21G.4 <0.6 <0.6 <291 NA NA NA September 1987 3363 <0.5 1.910.4 <0.7 0.510.3 <328 NA NA HA October 1987 3589 <0.5 2.910.4 <0.8 0.410.3 167189 NA NA NA November 1987 4176 <0.3 2.410.4 <0.7 0.510.3 19081141 NA NA NA December 1987 4529 <0.6 3.810.5 <1.2 1.710.9 258188 NT NA NA a See introduction.

b NA = Not analyzed; analysis not required.

c Sample was reanalyzed; reported result is an average of the two analyses.

d Result of reanalysis.

l

BIG ROCK POINT Table 8. Site Well Water Collection: Monthly Units: pCi/1 i

Cc11ection Date Lab Code Gross Deta Tritium Required LLO 4.0 500 01-31-87 8RLW-354 1.5t0.5 <140 02-28-87 637 1.St0.5 <140 03-31-87 1006 1.9t0.5 <151 04-30-87 1391,2 1.8t0.6 <302 05-31-87 1795 2.9tl.0 <297 06-30-87 2278 1.6t0.6 <313 07-31-87 2579 1.9t0.8 <301 08-31-87 2902 2.0t0.6 <291 09-30-87 3354 2.2t0.6 <328 10-31-87 3690 2.2t0.6 <164 11-30-87 4177,8 1.9t0.5 <150 12-31-87 4530 2.4t0.7 <147

1 l

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r 18 l

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_ . . _- - . . -_. - - - . . -_..---..._.--_--.._----_-__.-_.i

BIG ROCK POINT Table 9. Milk Collection: Monthly Units: pCi/l Collection Lab Date Code I-131 Sr-89 Sr-90 Cs-134 Cs-137 Ba-La-140 Required LLO 1.0 5.0 1.0 15 18 15 J. Golovich (1) 01-08-87 BRMI-45 <0.4 <0.8 6.8tl.0 <7.7 <9.4 <9.5 02-12-87 141 <0.5 <0.6 6.9t0.9 <6.9 <6.4 <8.4 03-12-87 208 <0.3 <0.9 6.9tl.0 <1.8 <18 <2.2 04-09-87 280 <0.4 <0.8 7.810.9~ <4.8 <5.1 <5.8 05-14-87 392 <0.4 <0.6 5.6i0.8 <5.7 <5.8 <6.8 06-11-87 540 <0.2 <0.6 7.5i0.8 (4.5 <7.9 <5.5 07-09-87 702 <0.4 <0.6 4.810.6 <7.5 <7.6 <10.6 08-13-87 929 <0.2 <0.2 5.4i0.3 <7.0 <6.6 <11.4 09-10-87 1078 <0.2 <0.6 5.410.8 <4.0 <4.5 <6.9 10-08-87 1239 <0.2 <0.5 8.210.9 <5.8 <6.5 <9.4 11-12-87 1403 <0.2 <0.6 4.9t0.6 <4.3 <4.6 <5.0 l 12-10-87 1476 <0.4 <0.7 5.5i0.7 <6.8 <7.4 <8.6 D. Kuebler (2) 01-08-87 BRMI-44 <0.3 <0.8 5.210.8 <4.6 <7.5 <9.2 02-12-87 140 <0.5 <0.6 4.0t0.7 <5.7 <7.6 <11.0 l 03-12-87 207 <0.3 <0.7 3.1i0.6 <2.5 <3.3 <2.4 04-09-87 281 <0.3 <0.9 5.210.7 <7.3 <8.4 <11.3 05-14-87 393 <0.3 <0.6 4.8t0.8 <5.0 <6.8 <5.0 06-11-87 541 <0 3 <0.7 3.6t0.8 <7.6 <8.3 <9.4 07-09-87 703 <0.4 <0.6 3.3i0.6 <6.2 <8.0 <10.5 08-13-87 930 <0.3 <0.2 2.8i0.2 <7.4 <7.7 <11.5 09-10-87 1079 <0.2 <0.6 3.7t0.7 <6.3 <6.1 <6.2 l 10-08-87 N0a i 11-12-87 1404 <0.2 <0.8 4.2i0.7 <2.2 <3.1 <2.6 l 12-10-87 1477 <0.3 (0.7 4.610.7 <5.2 <5.2 <5.3 l l

l a ND = No data; milk not available, 19 3

i

4 .

BIG ROCK POINT h

Table 9. Milk (continued)

Collection Lab Date Code I-131 Sr-89 Sr-90 Cs-134 Cs-137 Ba-La-140 Required LLD 1.0 5.0 1.0 15 18 15 R. McCraney (3) 01-08-87 BRMI-43 <0.3 <0.9 6.010.9 <4.9 <5.5 <7.6 02-12-87 139 <0.7 <0.7 4. 9t0. 8 <6.2 <7.1 <9.7 03-12-87 209 <0.3 <0.7 4.3t0.7 <5.8 <5.2 ~<6.9 04-09-87 282 <0.3 <0.8 5.4t0.7 <6.9 <6.6 <8.6 05-14-87 395 <0.3 <0.6 3. 9t0. 8 <6.9 <7.1 <7.5 .

06-11-87 54 2 <0.2 <0.7 3.2i0.6 <6.1 <$.5 <7.3 07-09-87 704 <0.5 <0.7 2.8t0.6 <6.9 <7.2 <7.4 08-13-87 931,2 <0.3 <0.2 2.2t0.1 <1.6 <1.7 <2.3 09-10-87 1080 <0.2 <0.5 4.5t0.7 <5.0 <5.3 <5.5 10-08-87 1240a <0.2 <0.5 5.3t0.8 <6.6 <7.1 <6.6 11-12-87 1405 <0.2 <0.8 5.0t0.7 <1.6 <2.2 <2.1 12-10-87 1478 <0.3 <0.7 5.0t0.6 <6.9 <8.1 <11.4

8. Bochntak (4) 01-08-87 BRMI-42 <0.3 <0.9 5.4t0.9 <7.1 <6.6 <8.5 02-12-87 137,8 <0.4 <0.7 3.8tl.0 <6.1 <7.5 <11.0 03-13-87 210 <0.3 <0.8 2. 9t0. 6 <5.6 <6.8 <9.4
04-09-87 283 <0.3 <0.8 3.0t0.6 <7.1 <7.0 <10.4
05-14-87 394 <0.3 <0.7 4.lt0.8 <5.4 <7.9 <4.5 06-11-87 543,4 <0.2 <0.7 2.0t0.8 <7.5 <8.7 <8.6 07-09-87 705 <0.2 <0.7 2.5t0.5 <7.1 <7.8 <9.3 08-13-87 933 <0.3 <0.3 2.8t0.3 <3.9 <6.2 <3.1 09-10-87 1081 <0.2 <0.8 2.3t0.7 <6.9 <7.7 <7.3 .

1 10-08-87 1241,2a <0.2 <0.4 2.6i0.8 <5.9 <7.4 <7.5 11-12-87 1406 <0.2 l l

<0.5 1. 9t0. 4 <2.3 <2.7 <2.6 12-10-87 1479 <0.4 <0.6 2.li0.5 <1.4 <2.5 <1.8 i

! a Corrected result.

3 4

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20 i

=

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. . - . - - _ - . . _ , , . - - _ - _ . , , - - , . . _ - , - , - - - ,_ - - , - - _ . . . .-_,i

BIG ROCK POINT Table 10. Vegetation Collection: Monthly, during harvest season Units: pCi/g wet Sample Description and Concentration Required LLD Location J. Golovich (1)

Date Collected 09-10-87 Sample Type Cabbage Lab Code BRVE-308 b

Gross beta ND 1.0 Sr-89 <0.004 0.025 Sr-90 0.013t0.003 0.005 I-131 <0.030 0.06 ,

Mn-54 <0.028 0.08 Co-58 <0.026 0.08 Co-60 <0.029 0.08 Fe-59 <0.062 0.1 Zn-65 <0.058 0.1 Zr-Nb-95 <0.024 0.1  !

Cs-134 <0.024 0.08 Cs-137 <0.028 0.08 l Ba-La-140 <0.032 0.1  ;

Location D. Xuebler (2)

Date Collected 09-10-87 l Sample Type Cauliflower Leaves / Pepper Leaves ,

Lab Code BRVE-309 b

Gross beta ND 1.0 Sr-89 <0.002 0.025 Sr-90 0.02210.002 0.005 I-131 <0.058 0.06 Mn-54 <0.053 0.08 Co-58 <0.050 0.08 Co-60 <0.053 0.08 Fe-59 <0.13a o,1 Zn-65 <0.12a o,1  ;

Zr-Nb-95 <0.048 0.1 l Cs-134 <0.043 0.08 Cs-137 <0.048 0.08 l Ba-La-140 <0.047 0.1 l

a Required LLD could not be reached because of small sample size. The '

sample w?s counted for 16 hours1.851852e-4 days <br />0.00444 hours <br />2.645503e-5 weeks <br />6.088e-6 months <br />.

b HD=No data; analysis not required 21 l

BIG ROCK POINT Table 11. Fish Collec tion: Semiannually Units: pCi/g wet Sample Description and Concentration Required LLD Location Ludington North Jetty (Control)

Date Collected 04-10-87 04-10-87 04-10-87 Sample Type Sucker Steelhead Steelhead Lab Code PAF-201 PAF-202 PAF-203 Gross Beta 1.45*0.08 1.59i0.07 1.57t0.07 1.0 Sr-89 <0.002 <0.002 <0.003 0.025 Sr-90 0.005f0.001 0.003i0.001 0.006*0.002 - 0.005 Mn-54 <0.012 <0.007 <0.009 0.13 Co-58 <0.013 <0.007 <0.009 0.13 Co-60 <0.012 <0.007 <0.011 0.13 Fe-59 <0.030 <0.017 <0.025 0.26 Zn-65 <0.027 <0.017 <0.023 0.26 Zr-Nb-95 <0.012 <0.008 <0.010 0.1 Cs-134 <0.009 <0.006 <0.010 0.13 Cs-137 0.03610.014 0.046i0.006 0.047t0.012 0.15 Ba-La-140 <0.017 <0.011 <0.017 0.1 l

Location Ludington North Jetty (Control)

Date Collected 10-15-87 10-15-87 10-15-87 Sample Type Salmon Perch Sucker Lab Code PAF-331 PAF-332 PAF-333 Gross Beta 2.7410.1 2.49i0.2 3.70f0.2 1.0 l Sr-89 <0.004 <0.01 <0.01 0.025  !

Sr-90 0.00210.001 0.022t0.006 0.016i0.005 0.005 Mn-54 <0.022 <0.018 <0.013 0.13 Co-58 <0.016 <0.021 <0.014 0.13 i Co-60 <0.020 <0.024 <0.016 0.13 l Fe-59 <0.047 <0.043 <0.038 0.26 Zn-65 <0.048 <0.052 <0.036 0.26 Zr-Nb-95 <0.013 <0.020 <0.016 0.1 Cs-134 <0.019 <0.018 <0.013 0.13 Cs-137 0.071i0.022 <0.030 <0.015 0.15 Ba-La-140 <0.025 <0.017 (0.021 0.1 22 1

J f

BIG ROCK POINT j Table 11. Fish (continued)

Sample Description and Concentration Required LLD 9

f location Discharge  !

Date Collected 06-12-87 06-12-87 09-26-87 Sample Type Carp Sucker Salmon Lab Code BRF-261 BRF-262 BRF-307 Gross Beta 1.83t0.07 1.5210.03 2.80t0.10 1. 0 l

Sr-89 <0.006 <0.011 <0.006 0.025 Sr-90 <0.004 0.005i0.005 0.002t0.002 0.005 Mn-54 <0.022 <0.03? <0.028 0.13 Co-58 <0.024 <0.032 <0.032 0.13 Co-60 <0.025 <0.041 <0.026 0.13 Fe-59 <0.064 <0.085 <0.091 0.26 Zn-65 <0.056 <0.074 <0.050 0.26 Zr-Nb-95 <0.021 <0.037 <0.031 0.1 Cs-134 <0.019 <0.033 <0.021 0.13 I Cs-137 0.03910.018 <0.041 0.0910.03 0.15 i Ba-La-140 <0.024 <0.049 <0.050 0.1  :

i l

Location  ;

Date Collected Sample Type Lab Code Gross Beta 1.0 1'

Sr-89 0.025

Sr-90 0.005 Mn-54 0.13 Co-58 0.13 Co-60 0.15 Fe-59 0.26 Zn-65 0.26 Zr-Nb-95 0.1 l Cs-134 0.13 i Cs-137 0.15 l Ba-La-140 0.1 1 1

23 i

O t i

BIG ROCK POINT Table 11. Fish (continued)

Sample Description and Concentration Required LLO Location 1/4 Mi. North Date Collected 06-10-87 06-10-87 09-26-87 Sample Type Sucker Carp Salmon Lab Code BRF-264 BRF-263 BRF-308 Gross Beta 2.1210.08 2.23t0.08 2.3710.09 1. 0 Sr-89 <0.004 <0.005 <0.005 0.025 Sr-90 <0.003 <0.004 <0.002 0.005 Mn-54 <0.032 <0.020 <0.031 0.13 Co-58 <0.034 <0.023 <0.033 0.13 Co-60 <0.028 <0.018 <0.031 0.13 Fe-59 <0.074 <0.058 <0.087 0.26 l Zn .,5 <0.066 <0.035 <0.076 0.26 '

Zr-Nb-95 <0.030 <0.023 <0.034 0.1 Cs-134 <0.024 <0.019 <0.023 0.13 Cs-137 0.070 0.037 0.06310.018 0.1310.05 0.15 Ba-La-140 <0.046 <0.017 <0.095 0.1 Location 1/4 Mi. South Date Collected 06-12-87 09-26-87 l Sample Type Sucker Salmon 1

i Lab Code BRF-260 BRF-309 J

Gross Beta 2.07t0.07 2.64i0.09 1.0 Sr'-89 <0.004 <0.005 0.025  !

Sr-90 <0.004 0.00210.001 0.005

) Mn-54 <0.020 <0.033 0.13 Co-58 <0.016 <0.033 0.13 Co-60 <0.016 <0.028 0.13 Fe-59 <0.048 <0.095 0.26 i Zn-65 <0.062 <0.074 0.26 Zr-Nb-95 <0.020 <0.040 0.1 Cs-134 <0.016 <0.026 0.13 Cs-137 0.08220.023 0.12i0.05 0.15 8a-La-140 <0.021 <0.099 0.1 l

l 24

--. x -

'I BIG ROCK POINT l

Table 11. Fish (continued)

Sample Description and Concentration Required LLO  ;

Location 9 Mi. Point Date Collected 06-12-87 06-12-87 09-26-87 Sample Type Alewife Sucker Salmon Lab Code BRF-265 BRF-266 BRF-310 Gross Beta 1.72 0.10 2.18t0.04 2.23*0.07 1.0 Sr-89 <0.005 <0.004 <0.005 0.025 i

Sr-90 0.014*0.003 <0.003 0.003t0.001 0.005 Mn-54 <0.030 <0.014 <0.022 0.13 Co-58 <0.035 <0.020 <0.025 0.13 Co-60 <0.022 <0.013 <0.026 0.13 i' Fe-59 <0.092 <0.050 <0.072 0.26 Zn-65 <0.073 <0.034 <0.055 0.26 Zr-Nb-95 <0.034 <0.017 <0.018 0.1 Cs-134 <0.028 <0.010 <0.023 - 0.13 Cs-137 <0.044 0.067*0.018 0.070t0.022 0.15 Ba-La-140 <0.071 <0.029 <0.073 0.1 Location Date Collected Sample Type Lab Code Gross Beta 1.0 Sr-89 0.025 Sr-90 0.005 Mn-54 0.13 Co-58 0.13 Co-60 0.13 Fe-59 0.26 Zn-65 0.26 Zr-Nb-95 0.1 Cs-134 0.13 Cs-137 0.15 Ba-La-140 0.1 25

l

)

BIG ROCK POINT .

l I

Table 11. Fish (continued) i l

Sample Description and Concentration Required LLO

- l location Mt. Mc Sauba l

Date Collected 06-10-87 06-10-87 09-26-87 l Sample Type Sucker Alewife Salmon Lab Code BRF-258 BRF-259 BRF-311,2 l

Gross Beta 1.8810.07 1.7610.06 2.7210.06 1.0 i

Sr-89 <0.003 <0.007 <0.005 0.025 i Sr-90 <0.002 0.00710.003 <0.002 0.005 l 5

Mn-54 <0.029 <0.019 <0.028 0.13 l Co-58 <0.029 <0.022 <0.035 0.13 l Co-60 <0.029 <0.027 <0.027 0.13 Fe-59 <0.070 <0.052 <0.084 0.26 )

i Zn-65 <0.059 <0.046 <0.067 0.26  !

Zr-Nb-95 <0.025 <0.024 <0.031 0.1 .

Cs-134 <0.024 <0.019 <0.025 0.13 I Cs-137 0.08610.032 <0.019 0.1210.04 0.15 l Ba-La-140 <0.028 <0.045 <0.086 0.1 l l

Location Date Collected Sample Type

! Lab Code l i

Gross Beta 1.0 Sr-89 0.025

Sr-90 0.005 1

! Mn-54 0.13 Co-58 0.13 Co-60 0.13 Fe-59 0.26 Zn-65 0.26 .

Zr-Nb-95 0.1 l Cs-134 0.13

, Cs-137 0.15  !

Ba-La-140 0.1 i

1 I

J

! 26 l

BIG ROCK POINT Table 12. Crayfish Collection: Semiannually Units: pCi/g wet Sample Description and Concentration Required LLO Location Discharge Date Collected 06-12-87a 09-26-87 Lab Code BRBO-162 Gross Beta 4.5410.89 1.0 Sr-89 <0.073c 0.025 Sr-90 0.5610.03 0.005 Mn-54 0.2210.04 0.08 Co-58 <0.039 0.08 Co-60 0.3410.04 0.05 Fe-59 <0.092 0.1 Zn-65 <0.078 0.1 Zr-Nb-95 <0.041 0.1 Cs-134 <0.028 0.08 i Cs-137 0.07910.031 0.08 Ba-La-140 <0.089 0.1 Location 1/4 Mi. North l Oate Collected 06-10-87 09-26-87 f Lab Code BRBO-152b BRBO-163 -

Gross Beta 1.6610.16 0.8210.17 1.0 Sr-89 <0.016 0.062i0.040 0.025 Sr-90 0.41*0.04 0.14i0.01 0.005 j

! Mn-54 <0.023 <0.041 0.08 i

! Co-58 <0.020 <0.029 0.08 Co-60 <0.023 <0.052 0.05 Fe-59 <0. 049 <0.088 0.1 7.n-65 <0.039 <0.063 0.1 Zr-Nb-95 <0.020 <0.042 0.1 Cs-134 <0.018 <0.028 0.08 Cs-137 0.03410.025 <0.041 0.08 i Ba-La-140 <0.023 <0.099 0.1 1

a Sample unavailable.

4 Includes some crayfish from 1/4 mi. south.

c l Required LLD not reached due to small sample size.

r gy 1

O SIG ROCK POINT Table 12. Crayfish (continued)

Sample Description and Concentration Required LLD Location 1/4 Mi. South Date Collected 06-11-87a 09-26-87 Lab Code BR80-164 Gross Beta 1.93t0.39 1.0 Sr-89 <0.044b 0.025 Sr-90 0.34t0.02 0.005 l Mn-54 <0.030 0.13 Co-58 <0.029 0.13 Co-60 <0.029 0.13 Fe-59 <0.078 0.26 Zn-65 <0.057 0.26 ,

Zr-Nb-95 <0.028 0.1 Cs-134 <0.019 0.13 Cs-137 <0.024 0.15 Ba-La-140 <0.095 0.1 Location 9 Mi. Point ,

Date Collected 06-12-87a 09-26-87 i Lab Code BRBO-165 Gross Beta 1.77*0.35 1.0 l

Sr-89 <0.030b 0.025 ,

Sr-90 0.25t0.01 0.005 l Mn-54 <0.026 0.13 Co-58 <0.028 C.13 Co-60 <0.034 0.13 Fe-59 <0.066 0.26 ,

2n-65 <0.047 0.26  !

Z;'-Nb-95 <0.029 0.1  :

Cs-134 <0.020 0.13 Cs-137 0.04210.019 0,15 -

Ba-La-140 <0.10 0.1  !

4 Sample unavailable. j b Required LLD not reached due to small sample size.

{

28

-- -- . . =__

o 4

SIG ROCK POINT Table 12. Crayfish (continued)

Sample Description and Concentration Required LLO I

! Location Mt. McSauba Date Collected 06-10-87a 09-26-87 Lab Code BR80-166 Gross Beta 1.28*0.33 1.0 t Sr-89 0.19t0.09 0.025 Sr-90 0.2610.02 0 005 Mn-54 <0.027 0.13 Co-58 <0.032 0.13 Co-60 <0.026 0.13 Fe-59 <0.084 0.26 Zn-65 <0.057 0.26 Zr-Nb-95 <0.031 0.1 Cs-134 <0.022 0.13 Cs-137 <0.026 0.15 Ba-La-140 <0.098 0.1 ,

l Location Date Collected Lab Code Gross Beta 1.0 l

Sr-89 0.025 i Sr-90 0.005 l l

Mn-54 0.13 Co-58 0.13 Co-60 0.13 Fe-59 0.26 Zn-65 0.26 Zr-Nb-95 0.1 Cs-134 0.13 Cs-137 0.15 Ba-La-140 0.1 a Sample unavailable.

l 29 J

BIG ROCK POINT Table 13. Periphyton Collection: Semiannually Units: pCi/g wet Sample Description and Concentration Required LLO Location Discharge Date Collected 06-12-87a 09 25-87 Lab Code BR80-167 Gross Beta 3.09tl.1 1.0 Sr-89 <0.15b 0.025 Sr-90 0.35i0.04 0.005 l Mn-54 3.31t0.08 0.08 Co-58 <0.037 0.08 Co-60 2.80t0.07 0.05 i Fe-59 <0.066 0.1 Zn-65 0.088i0.046 0.1 Zr-Nb-95 <0.036 0.1 Cs-134 <0.027 0.08 I Cs-137 0.25i0.04 0.08 Ba-La-140 <0.061 0.1 Location T

Date Collected Lab Code

)

Gross Beta 1.0 I

! Sr-89 0.025 l Sr-90 0.005 l Mn-54 0.06 Co-58 0.08 Co-60 0.05 Fe-59 0.1 Zn-65 0.1 Zr-N5-95 0.1 <

Cs-134

' 0.08 Cs-137 0.08 Ba-La-140 0.1 a Sample unavailable.

b i Required LLO not reached due to small sample size.

1 *

, 30

)

I l

o .

1 1

BIG ROCK POINT j Table 13. Periphyton(continued)

Sample Description and Concentration Required LLO Location 1/4 Mi. North Date Collected 06-10-87 09-25-87 Lab Code BRB0-151 BR80-168 Gross Beta 1.25*0.16 <0.83 1.0 Sr-89 <0.028a <0.08a 0.025  ;

Sr-90 0.16t0.02 0.23t0.02 0.005 )

1 Mn-54 <0.080 0.30t0.05 0.08 l I

Co-58 <0.092 <0.036 0.08 Co-60 <0.075 0.40t0.05 0.05 Fe-59 <0.18 <0.070 0.1 Zn-65 <0.19 <0.069 0.1 I Zr-Nb-95 <0.098 <0.034 0.1 Cs-134 <0.090 <0.029 0.15 Cs-137 <0.084 0.2910.04 0.18 Ba-La-140 <0.083 <0.092 0.1 Location 1/4 Mi. South I

Date Collected 06-11-87 09-25-87 Lab Code BRB0-150 BRBO-169,70 Gross Beta 3.09t052 <1.25 1.0 Sr-89 <0.024 <0.19a 0.025 Sr-90 0.2410.02 0.37t0.05 0.005 Mn-54 <0.026 <0.034 0.08 Co-58 <0.027 <0.030 0.08

'l Co-60 <0.033 0.086t0.034 0.05 Fe-59 <0.080 <0.024 0.1 i

Zn-65 <0.057 <0.060 0.1 Zr-Nb-95 <0.026 <0.033 0.1 i Cs-134 <0.022 <0.024 0.15 Cs-137 0.2310.04 <0.035 0.18 Ba-La-140 <0.054 <0.099 0.1 a Elevated LLD due to small sample size.

31

BIG ROCK POINT Table 13. Periphyton(continued)

Sample Description and Concentration Required LLD Location 9 Mi, Point Date Collected 06-12-87 09-25-87b l Lab Code BR80-153 +

Gross Beta 4.90t0.59 1.0 Sr-89 <0.038a 0.025 Sr-90 0.1410.02 0.005 Mn-54 <0.018 0.08  :

Co-58 <0.019 0.08 Co-60 <0.024 0.05 j Fe-59 <0.053 0.1 '

Zn-65 <0.040 0.1 Zr-Nb-95 <0.018 0.1 Cs-134 <0.017 0.15  !

Cs-13' O.055t0.023 0.18 Ba-La-140 <0.033 0.1 l

Location Mt. Mc Sauba Date Collected 06-10-87b 09-25-87

] Lab Code BRBO-171 Gross Beta 4.30*1.15 1.0 Sr-89 <0.001 0.025 t Sr-90 0.001i0.001 0.005 1

Mn-54 <0.015 0.08  :

Co-58 <0.017 0.08 l Co-60 <0.017 0.05 i Fe-59 <0.047 0.1  ;

Zn-65 <0.043 0.1 l Zr-Nb-95 <0.024 0.1 Cs-134 <0.020 0.15 Cs-137 0.04310.012 0.18 ,

Ba-La-140 <0.067 0.1 i

a Elevated LLD due to small sample size.  ;

b Sample unavailable. 4 32 l

BIG ROCK POINT Table 14. Algae Collection: Semiannually Units: pCi/g wet Sample Description and Concentration Required LLO Location Ludington North and South Jetty Date Collected 04-10-87 10-15-87 Lab Code PASL-45 PASL-91 Gross Beta 2.2i0.1 0.9i0.1 1.0 Sr-89 <0.010 <0.008 0.025 Sr-90 0.008i0.004 <0.003 0.005 Mn-54 <0.020 <0.017 0.13 Co-58 <0.021 <0.019 0.13 Co-60 <0.018 <0.019 0.13 Fe-59 <0. 042 <0.052 0.26 Zn-65 <0.052 <0.042 0.26 Zr-Nb-95 <0.026 <0.020 0.1 Cs-134 <0.028 <0.018 0.13

Cs-137 <0.021 <0.026 0.15 Ba-La-140- <0.040 <0.028 0.1 Location Discharge i

Date Collected 06-11-87 I j Lab Code BRSL-60

{

Gross Beta 1.4710.15 1.0 Sr-89 <0.011 0.025 Sr-90 0.012i0.005 0.005 Mn-54 0.50f0.06a 0.13 Co-58 <0.051 0.13 Co-60 0.4910.05a 0.13 Fe-59 <0.099 0.26 Zn-65 <0.10 0.26 l Zr-Nb-95 <0.045 0.1 Cs-134 <0.038 0.13 Cs-137 0.1210.05 0.15 Ba-La-140 <0. 061 0.1 l

a Corrected result.

33

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

BIG ROCK POINT l

Table 14. Algae (continued) l i Sample Description and Concentration Required LLD 1

l Location 1/4 Mt. North Date Collected 06-10-87 09-25-87 l Lab Code BRSL-61 BRSL-84 l Gross beta 1.39t0.08 <0.53 0.1 Sr-89 <0.006 <0.10a 0.025 l Sr-90 0.005t0.002 0.028*0.017 <0.005 l

Mn-54 <0.11 1.1210.06 0.13 Co-58 <0.053 <0.034 0.13 Co-60 <0.061 0.94t0.06 0.13 Fe-59 <0.12 <0.077 0.26 Zn-65 <0.11 <0.066 0.26 Zr-Nb-95 <0.048 <0.035 0.1 Cs-134 <0.040 <0.023 0.13 Cs-137 <0.050 0.14t0.04 0.15 l

Ba-La-140 <0.071 <0.078 0.1 l

Location 1/4 Mi. South Date Collected 06-11-87 09-25-87 Lab Code BRSL-59 BRSL-85 Gross beta 0.6110.07 <0.28 0.1 Sr-89 <0.010 <0.060a 0.025 Sr-90 0.01210.005 0.02410.011 <0.005 Mn-54 <0.033 0.086t0.035 0.13 Co-58 <0.034 <0.032 0.13 1 Co-60 <0.030 0.10t0.04 0.13 l Fe-59 <0.091 <0.088 0.26  !

i Zn-65 <0.067 <0.056 0.26 l Zr-Nb-95 <0.033 <0.039 0.1  !

Cs-134 <0.030 <0.022 0.13  !

Cs-137 <0.033 <0.031 0.15 Ba-La-140 <0.076 <0.10 0.1 a Required LLD not reached due to late sample arrival.

34

cu O .

BIG ROCK POINT Table 14. Algae (continued)

Sample Description and Concentration Required LLD .

Location 9 Mi. Point Date Collected 06-10-87 09-26-87 Lab Code BRSL-62 BRSL-86 Gross Beta 0.54i0.04 <0.15 1.0

~ Sr-89 <0.007 <0.024 0.025 Sr-90 0.005*0.003 0.017i0.007 0.005 Mn-54 <0.024 <0.022 0.13 Co-58 <0.024 <0.016 0.13 Co-60 <0.023 <0.018 0.13 Fe-59 <0.054 <0.052 0.26 Zn-65 <0.049 <0.038 0.26 Zr-Nb-95 <0.028 <0.017 0.1 Cs-134 <0.021 <0.015 0.13 Cs-137 <0.022 <0.021 0.15 Ba-La-140 <0.045 <0.064 0.1 Location Mt. Mc Sauba Date Collected 06-10-87 09-25-87 i Lab Code BRSL-58 BRSL-87 Gross Beta 2.69t0.24 <0.36 1.0 Sr-89 <0.013 <0.017 0.025 Sr-90 0.00910.006 0.025t0.006 0.005 Mn-54 <0. 048 <0.020 0.13 l Co-58 <0. 049 <0.027 0.13  :

Co-60 <0.049 <0.019 0.13 Fe-59 <0.11 <0.056 0.26 Zn-65 <0.099 <0. 046 0.26 Zr-Nb-95 <0.047 <0.034 0.1 Cs-134 <0.039 <0.021 0.13 Cs-137 <0.045 <0.020 0.15 Ba-La-140 <0. 040 <0.010 0.1 35

BIG ROCK POINT Table 15. Bottom Sediments Collection: Semiannually Units: pC1/g dry Sample Description and Concentration Required LLO '

Location Ludington (Control) 50 ft. North 300 ft. North of North Jetty of North Jetty Date Collected 04-10-87 04-10-87 Lab Code PABS-189 PABS-190 Gross Beta 5.6tl.6 7.8tl.6 1.0 Sr-89 <0.011 <0.016 0.025 ,

Sr-90 0.013t0.005 0.028i0.006 0.005 1 Mn-54 <0.011 <0.014 0.08 '

Co-58 <0.012 <0.015 0.08  !

Co-60 <0.011 <0.015 0.05 t Fe-59 <0.027 <0.041 0.1 Zn-65 <0.032 <0.044 0.1 Zr-Nb-95 <0.012 <0.017 0.1 i Cs-134 <0.012 <0.016 0.15 Cs-137 <0.009 <0.014 0.18 8a-La-140 <0.016 <0.017 0.1 Location 50 ft. North of 150 ft. North of 300 ft. North North Jetty North Jetty of North Jetty Date Collected 10-15-87 10-15-87 10-15-87 Lab Code PABS-277 PABS-278 PABS-279 1 Gross Beta 7. 6!2. 6 14.3 3.0 11.1!2.8 1.0 Sr-89 <0.007 <0.007 <0.006 0.025 Sr-90 0.002!0.002 0.003!0.002 <0.003 0.005 Mn-54 <0.018 <0.016 <0.019 0.08 Co-58 <0.021 <0.020 <0.023 0.08 Co-60 <0.024 <0.023 <0.027 0.05 Fe-59 <0.061 <0.066 <0.078 0.1 Zn-65 <0.050 <0.050 <0.052 0.1 Zr-Nb-95 <D.024 <0.033 <0.028 0.1 Cs-134 <0.014 <0.018 <0.014 0.15 Cs-137 <D.019 <0.015 <0.019 0.18 i

Ba-La-140 <0.008 <0.022 <D.012 0.1 1

36

~

BIG ROCK POINT Table 15. Bottom Sediments (continued)

Sample Description and Concentration Required LLO Location Discharge Date Collected 06-11-87 09-26-87 Lab Code BRBS-225 BRBS-247 Gross Beta 7.9*0.2 17.5i3.0 1.0 Sr-89 <0. 008 _ <0.027 a 0.025 Sr-90 0.005*0.002 0.00710.005 0.005 Mn-54 <0.027 0.65t0.05 0.08 Co-58 <0.022 <0. 048 0.08 Co-60 0.1410.04a 0.78i0.06 0.05 Fe-59 < 0. 063 <0.14 0.1 Zn-65 <0.C51 <0.073 0.1 Zr-Nb-95 <0.024 <0.051 0.1 Cs-134 <0.026 <0.026 0.15 Cs-137 0.5910.04a 0.1710.03 0.18 Ba-La-140 <0.030 <0.40 0.1 Location 9 Mi. Point Date Collected 06-10-87 09-26-87  :

Lab Code BRBS-226 BRBS-248 Gross Beta 4.310.2 5.112.7 1.0 i Sr-89 <0.007 <0.017 0.025 Sr-90 0.00610.003 <0. 005 0.005 Mn-54 <0.015 <0.029 0.08 Co-58 <0.015 <0.034 0.08 Co-60 <0.023 <0.029 0.05 Fe-59 < 0. 046 <0. 097 0.1 l Zn-65 <0.038 <0. 067 0.1 Zr-Nb-95 <0.019 <0.037 0.1 Cs-134 <0.012 <0.028 0.15 Cs-137 0.08710.021 0.06410.028 0.18 Ba-La-140 <0.025 <0.018 0.1 a Required LLO not reached due to small sample size, i

i I

1 37

)

WMF BIG ROCK POINT Table 16.1. Liquid Radwaste Collection: Monthly Composite Units: pCi/m1, except Pu-239 (pC1/1)

Collec tion Lab Pu-239 Period Code Gross Alpha Tritium Sr-89 Sr-90 (pct /1)

January BRRW-97 <1.3 E-08 7.510.1 E-04 <5.7 E-08 1.510.5 E-07 February 2.110.3 99 <0.4 E-08 15.210.1 E-04 1.510.2 E-06 3.210.7 E-07 2.310.4 March 103 <0.5 E-08 4.710.4 E-04 1.110.2 E-06 4.710.8 E-07 2.210.4 April 119 <0.4 E-08 14.410.8 E-04 4.310.3 E-06 7.810.8 E-07 2.210.4 May 121 <0.5 E-08 9.2110.6 E-04 5.810.3 E-07 3.910.2 E-07 1.810.3 June 127 <0.6 E-08 ' 8910.6 E-04 8.210.1 E-07 5.910.6 E-07 July 3.310.3 135 <0.9 E-08 3710.1 E-03 1.310.1 E-07 3.710.2 E-06 2.610.5 August 138 <7.6 E-08 1.2210.7 E-03 9.210.2 E-06 7.710.8 E-06 1.610.2 September N0a M Oc tober 146 <6.8 E-09 7.9010.1 E-04 <8.2 E-08 1.110.1 E-06 1.710.2 November NDa December 157 <1.6 E-07 3.110.1 E-04 1.310.1 E-06 9.710.3 E-07 2.710.5 Collection Period Cr-51 Mn-54 Fe-59 Co-58 Co-60 January 1.210.2 E-05 9.510.2 E-06 <9.6 E-07 7.811.6 E-07 February 2.610.1 E-05

<7.0 E-06 9.910.4 E-06 <1.7 E-06 <8.6 E-07 3.010.1 E-05 March <4.3 E-06 1.610.G E-06 <1.2 E-06 1.110.4 E-06 Apr11 2.810.8 E-06

<7.2 E-06 9.110.8 E-06 <1.3 E-06 <5.4 E-07 1.610.1 E-06 May <3.7 E-06 4.710.4 E-06 <1.1 E-06 <4.4 E-07 1.710.8 E-06 June 9.910.5 E-06 7.210.7 E-06 <1.1 E-06 <4.7 July E-07 1.610.9 E-05

<1.9 E-05 6.510.2 E-05 <4.5 E-06 6.212.0 E-06 1.110.3 E-04 August <3.8 E-06 8.812.6 E-07 <1.1 E-06 <5.0 E-07 September 1.410.7 E-06 NDa October <3.6 E-06 1.010.1 E-05 <8.8 E-07 <4.0 E-07 7.610.5 E-06 November NDa December <1.0 E-05 3.910.1 E-05 <2.7 E-06 <1.1 E-06 8.910.2 E-05

  • FID = No data; sample not sent to lab.

I

BIG ROCK POINT NGP l Table 16.1 Liquid Radwaste (continued)

Collection Period Zn-65 Zr-95 Nb-95 Ag-110m Sb-124 Cs-134 January 4.510.4 E-06 <6.6 E-07 <3.8 E-07 1.010.1 E-06 <2.2 E-07 8.110.2 E-06 February 6.510.9 E-06 <1.3 E-06 <7.0 E-07 <1.5 E-06 <4.0 E-07 1.910.1 E-05 March 3.811.1 E-06 <8.7 E-07 <4.8 E-07 <1.0 E-06 <3.0 E-07 1.210.6 E-06 April 1.810.8 E-06 <!.9 E-06 <5.9 E-07 <4.7 E-07 <4.4 E-07 9.910.8 E-06 May <9.0 E-07 <7.9 E-07 <5.1 E-07 <1.4 E-06 <5.6 E-07 9.710.5 E-06 June 2.210.9 E-06 <7.4 E-07 <5.2 E-07 <4.9 E-07 <3.2 E-07 6.510.5 E-06 July <4.3 E-06 <3.1 E-06 <1.7 E-06 <6.2 E-06 <1.2 E-06 2.010.2 E-05 August <8.8 E-07 <6.8 E-07 <4.9 E-07 <1.4 E-06 <5.0 E-07 6.010.4 E-06 September NDa October <7.6 E-07 <5.7 E-07 <3.9 E-07 <1.5 E-06 <4.8 E-07 5.710.4 E-06

$ November NDa December <2.1 E-06 <1.8 E-06 <1.0 E-06 <9.5 E-07 <5.9 E-07 1.310.1 E-05 Collection Period Cs-137 Ba-140 La-140 Ce-141 Ce-144 January 1.610.1 E-05 <1.9 E-06 <1.9 E-07 <4.4 E-07 <1.6 E-06 February 3.510.1 E-05 <3.9 E-06 <3.9 E-07 <6.6 E-07 <1.9 E-06 March 2.610.9 E-06 <1.9 E-06 <2.8 E-07 <3.7 E-07 <1.3 E-06 April 3.810.1 E-05 <5.9 E-06 <P.2 E-07 <8.1 E-07 <2.1 E-06 May 3.710.1 E-05 <4.2 E-06 <4.8 E-07 <4.2 E-07 <1.2 E-06 June 4.510.1 E-05 <4.2 E-06 <5.5 E-07 <6.4 E-07 <1.8 E-06 July 3.310.4 E-04 <1.0 E-05 <1.2 E-06 <1.7 E-06 <5.5 E-06 August 4.010.1 E-05 <4.4 E-06 <3.9 E-07 <4.2 E-07 <1.2 E-06 September NDa October 5.410.1 E-05 <3.3 E-06 <3.6 E-07

<3.5 E-07 <1.1 E-06 Noverser NDa December 1.210.1 E-04 <8.9 E-06 <9.5 E-07 <1.1 E-06 <3.1 E-06 a ND = No datt sample r.ot sent to lab.

BIG ROCK POINT

!sbla 16.2. Stack Filters Collection: Monthly composite Units: pCi/ composite Collection Period Lab Code Gross Alpha Sr-89 Sr-90 Pu-239 January, 1987 BRSP-98 2.8*1.8 187*17 41i7 2.6t0.6 February, 1987 100 5.8il.3 542t21 69t6 4.4tl.1 March, 1987 104 3.1*1.1 1514 32 2514 3.6tl.0 April, 1987 120 4.8tl.5 1025*32 137*8 3.810.6 May, 1987 122 4.0tl.4 1735t29 45t5 6.6*1.3 June, 1987 128 2.811.2 460t10 9.lil.6 2.710.4 July, 1987 134 8.Si4.2 272t14 7.li2.4 3.310.4 August, 1987 139 2.811.2 4854tS1 4815 3.3i0.7 September, 1987 142 4. 9t.1. 4 2361148 30t4 3.610.4 October, 1987 145 7.0tl.7 2706148 4615 3.710.6 November, 1987 149 9.Si2.9 881i9 20t1 3.410.4 December,1987 156 10.0t2.9 2774i13 35i1 3.510.8 NOTE: Pages 41 and 42 are inWntionally left out.

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Appendix A Interlaboratory Comparison Program Results l

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A-1

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Appendix A Interlaboratory Comparison Program Results 1

Teledyne Isotopes Midwest Laboratory (formerly Hazleton Environmental Sciences) has participated in interlaboratory comparison (crosseneck) programs since the formulation of its quality control program in December 1971. Tnese programs i'

are operated by agencies whicn supply environmental-type samples (e.g., milk or watsr) containing concentrations of radionuclides known to the issuing agency but not to participant laboratories. The pJrpose of such a program is to provide an independent check on the laboratory's analytical procedures and to ,

alert it to any possible problems.

Participant laboratories me.asure the concentrations of specified radionuclides and report them to the issuing agency. Several months later, tne ager.cy 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 Taole A-1 were obtained tnrougn participation in tne environ-mental sample crosscheck program for milk, water, air filters, and foco samples during the period May 1984 tnrough June 1987. Tnis program has oeen conducted by tne U. 5. Environmental Protection Agency Intercomparison ano Calibration

Section, Quality Assurance Branen, Environmental Monitoring and Support Laboratory, Las Vegas, Nevada. .

The results in Table A-2 were obtained for thermoluminescent oosimeters (TLO's) during the perico 1976, 1977, 1979, 1980, 1984, and 1985-1986 tnrougn participation l in tne Second, Third, Fourtn, Fif th, Seventn, and Eignth International Intercompar-ison of Environmental Dosimeters under tne sponsorsnips listed in Table A-2.

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.

Attachment B lists acceptance criteria for "spiked" samples.

A-2

4 Taole A-1. U.S. Environmental Protection Agency's crosschecs program, com-parison of EPA and Teleoyne Isotopes Midwest Lacoratory results .

for milk, water, air filters, and food samples, 1984 tnrou9n 1987.8 Concentration in 0C1/10 i Lab Sample Date TIML Result EPA kesults Code Type Collecteo Analysis 22cc 15, N=1 Lontral Limits ,

STW-358 Water May 1984 Gr. alpna 3.0t0.6 325.0 0.0-11.7 .'

Gr. Deta 6.7 1.2 615.0 0.0-14.7 STM-366 Milk June 1964 Sr-89 21 3.1 25t5.0 16.3-33.7

$r-90 13t2.0 17tl.5 14.4-19.6 I-131 4625.3 4326.0 32.6-53.4 Cs-137 38t4.0 35:5.0 26.3-43.7 K-40 15772172 1496275 1336-1626 STW-368 Water July 1984 Gr. alpna 5.111.1 625.0 0.0-14.7 Gr. beta 11.922.4 1325.0 4.3-21.7 STW-369 Water August 1984 1-131 34.315.0 34.016.0 23.6-44.4 STW-370 Water August 1984 H-3 30031253 2817t356 2200-3434 STF-371 Food July 1984 Sr -89 22.025.3 25.015.0 14.3-33.7 Sr-90 14.7 3.1 20.021.5 17.4-22.6 I-131 <172 39.026.0 28.6-49.4 Cs-137 24.025.3 25.025.0 14.3-33.7 K 'O 2503:132 26052130 2379-2831 STAF -372 Air August 1984 Gr. alpha 15.311.2 17t 5. 0 8.3-25.7 Filter Gr. beta 56.020.0 51 5.0 42.3-59.7 Sr-90 14.321.2 18 1.5 15.6-20.4 i I

Cs-137 21.022.0 1525.0 6.3-23.7 STW-375 Water Sept 1984 Ra-226 5.lto.4 4. 92 0. 7 3.6-6.2 Ra-228 2.220.1 2.320.4 1.7-2.9 i

j STW-377 Water Sept 1984 Gr. alpna 3.321.2 5.025.0 0.0-13.7

' Gr. beta 12.712.3 16.025.0 7.3-24.7 STW-379 Water Oct 1984 H-3 28602312 2810 205 2454-3166 STW-380 Water Oct 1984 Cr-51 <36 4025.0 31.3-48.7 j

Co-60 20.3tl.2 2015.0 11.3-26.7 Zn-65 150t8.1 147t5. 0 138.3-155.7 Ru-106 <30 4725.0 36.3-55.7 Cs-134 31.327.0 31 5.0 22.3-39.7 Cs-137 26.721.2 2425.0 15.3-32.7 l Il J

A-3  ;

I

. _ - , _ _ . . - _ _ _ . _ _ . - _ _ _ _ _ _ _ _ _ _ _ _ _ , _ _ . . . , - _ _ _ , _____.l

C t

Table A-1. (continued) l Concentration in 0C1/1b Lab Sample ~ Date TIML Result EPA ResultS Code Type Collected Analysis 22ac Is, N=1 control Limits STM-382 Milk Oct 1984 .Sr-89 15.724.2 22:5.0 13.3-30./

Sr-90 12.7 1.2 16tl.5 13.4-18.6 l I-131 41.723.1 42t6.0 31.6-42.4

Cs-137 31.3t6.1 32t5.0 23.3-40.7 K-40 1447t66 1517t7b 1386-1648 l STW-384 Water Oct 1984 Gr. alpha 9.721.2 14t5.0 5.3-22.7 l

(811nd) Sample A Ra-226 3.320.2 3. 0t0. 5 2.2-3.8 Ra-228 3.421.6 2.110.3 1.6-2.6 Uranium NA8 Sample B Gr. be t a 48.3t5.0 6425.0 55.3-72.7 Sr-89 10.714.6 1125.0 2.3-19.7 Sr-90 7.3tl.2 1221.5 9.4-14.6 Co-60 16.321.2 1415.0 5.3-22.7 l Cs-134 <2 225.0 0.0-10.7 Cs-137 16.7tl.2 14i5. 0 5.3-22.7 ST AF-387 Air Nov 1984 Gr. alpna 18.7 1.2 1525.0 6.3-23.7 Filter Gr. Deta 59.025.3 5225.0 43.3-60.7 Sr-90 18.321.2 2121.5 18.4-23.6 Cs-137 10.321.2 1015.0 1.3-18.7 >

l STW-388 Water Dec 1984 I-131 28.022.0 3626.0 25.6-36.4 STW-389 Water Dec 1984 H-3 3583t110 31822360 2558-3806 STW-391 Water Dec 1984 Ra-226 8.411.7 8.6tl.3 6.4-10.8 j Ra-228 3.120.2 4.120.6 3.0-5.2 l

STW-392 Water Jan 1985 Sr-89 <3.0 3.015.0 0.0-11.7 l Sr-90 27.325.2 30.021.5 27.4-32.6 i STW-393 Water Jan 1985 Gr. alpha 3.311.2 515.0 0.0-13.7 Gr. beta 17.323.0 1525.0 6.3-23.7 STS-395 Food Jan 1985 Gr. alpna 4.722.3 6.025.0 0.0-14.7 l Gr. beta 11.321.2 15.025.0 6.3-23.7 l Sr-89 25.326.4 34.025.0 25.3-42.8 Sr-90 27.028.8 26.021.5 23.4-26.6 1-131 18. 0t 2. 0 35.026.0 24.6-45.4 Cs-137 32.722.4 29.025.0 20.3-37.7 K-40 14101212 1382t120 1174-1590 l

A-4 l

o .

1 3 Table A-1. (continued)

I Concentration in 0C1/1D Lab Sample- Date TIML Result EPA ResultE Code Type Collected Analysi s 22cc Is, N=1 control Limits STW-397 Water Feb 1985 Cr-51 <29 4825.0 39.3-56.7 Co-60 21.323.0 2025.0 11.3 28.7 Zn-65 53.715.0 5525.0 46.3-63.7 Ru-106 <23 25t5.0 16.3-33.7 Cs-134 32.3 1.2 35t5.0 26.3-43.7 Cs-137 25.3t3.0 2525.0 16.3-33.7 STW-398 Water Feb 1985 H-3 38692319 3796t634 3162-4430 i STM-400 Milk March 1985 1-131 7.322.4 9.0t0.9 7.4-10.6 4

STW-402 Water Maren 1985 Ra-226 4.620.6 5. 020. 8 3.7-6.3 Ra-228 <0.8 9.021.4 6.7-11.3 ,

Reanalysis Ra-228 9.020.4

! STW-404 Water harch 1985 Gr. alpha 4.722.3 6t5. 0 0.0-14.7 Gr. beta 11.321.2 1525.0 6.3-23.7 STAF -405 Air Marcn 1985 Gr. alpna 9.321.0 10.025.0 1.3-18.7 Filter Gr. beta 42.021.1 36.025.0 27,3-44.7 Sr-90 13.311.0 15.0t1.5 12.4-17.6 Cs-137 6.321.0 6. 02 5. 0 0.0-14.7 STW 407 Wat er April 1985 I-131 8.020.0 7.520.8 6.2-8.8 STW-408 Water April 1985 H-3 33991150 3559t630 2929-4189 i STW-409 Water April 1985 4

(Blind) Gr. alpna 29.721.8 32.025.0 23.3-40.7 Sample A Ra.226 4.420.2 4.110.6 3.1-5.1 Ra-228 nae 6.2t0.9 4.6-7.8 Uranium nae 7.026.0 0.0-17.4 j Sample 8 Gr. beta 74.3211.8 72.025.0 63.3-80.7 l Sr-89 12.317.6 10.025.0 1.3-18.7

! Sr-90 14.722.4 15.011.5 12.4-17.6 Cc-60 14.722.4 15.025.0 6.3-23.7 Cs-134 12.022.0 15.025.0 6.3-23.7 i Cs-137 14.022.0 12. 015.0 3.3-20.7 l

4

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A-5 1

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t Table A-1. (continued)

Concentration in pct /lb Lab Sample Date TIML Result EPA ResultE  :

Code Type Collected Analysi s 12cc 15. N=1 Control' Limits  ;

STW-413 Water May 1985 Sr-89 36.0212.4 39.025.0 30.3-47.7 Sr-90 14.324.2 15.021.5 12.4-17.6 1  :

1 STW-414 Water May 1985 Gr. alpha 8.324.1 12.025.0 3.3-20.7 l Gr. Deta 8.721.2 11.015.0 2.3-19.7 L l

STW-416 Water June 1985 Cr-51 44.726.0 44.025.0 45.3-52.7 Co-60 14.321.2 14.025.0 5.3-22.7 Zn-65 50.317.0 47.025.0 38. 3-5 5. 7 Ru-106 55.315.8 62.015.0 53.3-70.7 i Cs-134 32.711.2 35.025.0 26.3-43.7 '

Cs-137 22.722.4 20. 025.0 11.3-28.7 STW-418 Water June 1985 H-3 24462135, 24162351 1807-3025 STM-42) Milk June 1985 Sr-89 10.3t4.6 11.015.0 2.3-19.7 Sr-90 9.022.0 11. 011.5 8.4-13.6 I-131 11.721.2 11.016.0 0.6-21.4 Cs-137 12.721.2 11. 015.0 2.3-19.7 j K-40 1512262 1525 132 1393-loS7 STW-423 Water July 1985 Gr. alpna 5.020.0 11.025.0 2.3-19.7 Gr. beta 5.022.0 8.025.0 0.0-16.7 STW-425 Water August 1985 1-131 25.713.0 33.026.0 22.6-43.4 ,

STW-425 Water August 1985 H-3 4363283 44802447 3704-5256 l

STAF-427 Air August 1985 Gr. alpna 11.310.6 13.025.0 4.3-21.7 I Filter Gr. beta 46.021.0 44. 025.0 35.3-52.7 Sr-90 17.7t0.6 18.021.5 15.4-20,6 Cs-137 10.310.6 8.025.0 0.0-16.7 1

STW-429 Water Sept 1985 Sr-89 15.7t0.6 20.025.0 11.3-28.7 Sr-90 7.020.0 7.0tl.5 4.4-9.6

STW-430 Water Sept 1985 Ra-226 8.2t0.3 8.921.3 6.6-11.1
Ra-228 4.120.3 4.610.7 3.4-5.8 l STW-431 Water Sept 1985 Gr. alpna 4.720.6 8.025.0 0.0-16.7 Gr. beta 4.721.2 8.0t5.0 0.0 '6.7 i

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Table A-1. (continuec) 4.

Concentration in oci/10 Lau Sample Date TIML Result EPA kesult2 Code Type Collected Analysis 12aC 15, N=1 Control Limits ,

STW-433 Water Oct 1985 Cr-51 <13 21.025.0 12.3-29.7 Co-60 19.320.6 20. 025.0 11.3-28. 7 Zn-65 19,720.6 19.025.0 10.3-27.7 i Ku-106 <19 20.025.0 11.3-28. 7 ,

j Cs-134 17.021.0 20.025.0 11.3-28.7 i Cs-137 19.321.2 20.0t5.0 11.3-28.7 '

STW-435 Water Oct 1985 H-3 1957250 19742345 1376-2572 i j STW-436 Water Oct 1985  :

l 437 (811nd)

Sample A Gr. clpha 53.021.0 52.0t13 29.4-74.6 Ra-226 5. 92 0. 1 6.321.0 4.1-7.9 Ra-228 8.220.1 10.121.5 7.5-12.7  :

Uranium nae 8.0110.4 0.0-18.4 Sample B Gr. bets 85.712.5 75.025.0 76.3-83.7 Sr-89 21.3tl.5 27.025.0 18.3-35,.7 Sr -90 10.320.6 9.0 1.5 6.4-11.6 Cc-60 18.321.2 18.025.0 9.3-26.7 Cs-134 lb.3tl.2 18.025.0 9.3-26.7 Cs-137 19.021.0 18.025.0 9.3-26.7 STM-439 Milk Oct 1985 Sr-89 50.320.6 48.025.0 39.3-56.7 Sr-90 23.320.6 26.021.5 23.4-28.6 l-131 45.723.2 42.026.0 31.6-52.4 Cs-137 60.720.6 56.025.0 47.3-64.7 K-40 1547229 1540t77 1406-1674 1

STW-441 Water Nov 1985 Gr. alpna 5.320.6 10.025.0 1.3-18.7 l Gr. beta 11.721.2 13.0t5.0 4.3-21.7 STW-443 Water Dec 1985 l-131 46.722.1 45.026.0 34.6-55.4 j~

STW-444 Water Dec 1985 Ra-226 6.510.1 7.121.1 5.2-9.0

Ra-228 6.110.1 7.321.1 5.4-9.2 STW-445 nater Jan 1986 Sr-89 29.712.5 31.0t5.0 22.3-39.7 Sr-90 13.7t0.6 15.021.5 12.4-17.6 STW-446 water Jan 1986 Gr. alpna 3.020.0 3.025.0 0.0-11.7 3

ur. beta 5.320.6 7.0t5.0 0.0-15.7 l

A-7 .

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- , , , - .---r ,-, . , , , . - _ , - - , .

-_,,7 , _ , , - , , , . -~, -

Table A-1. (continuea)  ;

Concentration in pCi/10 Lan Sample _ Date TIML Result EPA ResultE i

Code Type Collected Analysis 22oC 15, N=1 control Limits I

! STW-447 Food Jan 1986 Sr-89 24.3t2.5 25.025.0 16.3-33.7 Sr-90 17.320.6 10.021.5 7.4-12.6

!-131 22.712.3 20.026.0 9.6-30.4 Cs-137 16.320.6 15.0t5.0 6.3-23.7 K -40 927146 950t144 701-1199

, STW-448 Water Feb 1986 Cr-51 45.023.6 38. 025. 0 29.3-46.7  ;

! Co-60 19.721.5 18.025.0 9.3-26.7

^

Zn-65 44.0t3.5 40.025.0 31.3-48.7 Ru-106 <9.0 0.025.0 0.0-8.7 <

Cs-134 28.322.3 30.025.0 21.3-38.7 Cs-137 23.720.6 22.0 5.0 13.3-30.7 l

STW-449 Water Feb 1986 H-3 5176248 52271525 4317-6137 STW-450 Water Feb 1986 U total 8.020.0 9. 0t6. 0 0.0-19.4 STW-451 Milk Feb 1986 I-131 7.0t0.0 9.026. 0 0.0-19.4 STW-452 Water March 1986 Ra-226 3.820.1 4.120.6 3.0-5.2 Ra-228 11.020.5 12.421.8 9.2-15.5 STW-453 Water March 1986 Gr. alpna 6.7t0.6 15. 0t5. 0 6.3-23.7 Gr. beta 7.320.6 8.025.0 0.0-16.7 1

l April 1986 STW-454 Water i-131 7.020.0 9.026.0 0.0-19.4 STW-455 Water April 1986

456 (Blina) 1 '

Sample A Gr. alpha 15.021.0 17.025.0 8.3-25.7 Ra-226 3.lt0.1 2.9t0.4 2.1-3.7 2.0t0.3 1.5 2.5

~

, Ra-228 1.510.2 4.720.6 5.026.0 0.0-15.4 Uranium 5 Sample B Gr. beta 28.721.2 35.015.0 26.3-43.7 Sr-89 5.720.6 7.015.0 0.0-15.7 Sr-90 7. 0t0. 0 7.011.5 4.4-9.6 Co-60 10.721.5 10.015.0 1.3-18.7

! Cs-134 4.021.7 5.025.0 0.0-13.7 l Cs-137 5.320.6 5.025.0 0.0-13.7 j

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j Table A-1. (continued) i -

Concentration in pC1/lb ,

i Lab Sample Date TML i<esult EPA ResultE  !

Code Type Collected Analysis 22cC 15, N=1 Control Limits ,

i ST AF -457 Air April 1986 Gr. alpha 13.710.6 15.025.0 6.3-23.7  :

j Gr. beta 47.025.0 Filter 46.320.6 38.3-55.7

Sr-90 14.720.6 18.021.5 15.4-20.6 Cs-137 10.720.6 10.015.0 1.3-18.7

, STU-458 Urine April 1986 Tritium 4313t70 44232189 4096-4750 i

STW-459 Water May 1986 Sr-89 4.320.6 5.025.0 0.0-13.7 '

Sr-90 5.020.0 5.021.5 2.4-7.6 STW-460 Water May 1986 Gr. alpha 5.3i0.6 8.015.0 0.0-16.7

l Gr. beta 11.321.2 15.025.0 6.3-23.7

' STW-461 Water June 1986 Cr-51 < 9. 0 0.025.0 0.0-8.7 Co-60 66.021.0 66.025.0 57.3-74.7 Zn-65 87.3tl.5 85.025.0 77.3-94.7 .

. Ru-106 39.7t2.5 50.025.0 41.3-58.7 i 4

Cs-134 49.312.5 49.025.0 40.3-57.7  ;

Cs-137- 10.321.5 10.0 5.0 1,3-18.7 j STW-462 Water June 1986 Tritium 3427t25 3125t361 2499-3751 l STM-464 Milk June 1986 Sr-89 <1.0 0.025.0 0.0-8.7 Sr-90 15.320.6 16.021.5 13.4-18.6 I-131 48.322.3 41.025.0 30.6-51.4

! Cs-137 43.721.5 31.025.0 22.3-39.7 ,

K-40 15672114 ~1600180 1461-1739
STW-465 Water July 1986 Gr. alpha 4.720.6 6.0t5.0 0.0-14.7  !
, Gr. beta 18.721.2 18.015.0 9.3-26.7 1 STW-467 Water August 1986 I-131 30.320.6 45.016.0 34.4-55.4 i

STW-468 Water August 1986 Pu-239 11.3t0.6 10.lil.0 8.3-11.9 I

STW-469 Water August 1986 Uranium 4.020.0 4.026.0 0.0 14.4 STAF -470 Air Sept 1986 Gr. alpna 19.3cl.5 22.025.0 13.3-30.7 4 471 Filter Gr. beta 64.022.6 66.025.0 57.3-74.7

) Sr-90 22.021.0 22.025.0 472 19.4-44.6 i

a Cs-137 25.721.5 22.025.0 13.3-30.7 l STd-473 Water Sept 1986 Ra-226 6.0t0.) 6.120.9 4.5-7.7

] Ra-228 8.721.1 9.121.4 6.7-11.5 l

j A-9 i

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1. _ _ . _ . . . _ . . . _ _ . _ . , - _ , _ . _ _ . _ _ _ - ._._ .. _ .. _ ___ .._. _ , ., .- , _ - . . , . . , - .

1 1 Table A-1. (continued).  ;

Concentration in oci/lb Lab Sample Date TIML Result EPA ResultE Code Type Collected Analysis 12 c Is, N=1 Control Limits STW-474 Water Sept 1986 Gr. alpha 16.3t3.2 15.0t5.0 6.3-23.7 ,

Gr. beta 9.0*l.0 8 025.0 0.0-16.7 l STW-475 Water Oct 1986 Cr-51 63.3t5.5 59.0t5.0 50.3-67.7 Co-60 31.0t2.0 31.0t5.0 22.3-39.7 Zn-65 87.315 9 85.0t5.0 76.3-93.7 Ru-106 74. 7t 7. 4 74. 0t5. 0 65.2-82.7 Cs-134 25.7t0.6 28.0t5.0 19.3-36.7 Cs-137 46.3*1.5 44.0t5.0 35.3-52.7 STW-476 Water Oct 1986 H-3 5918160 5973tS97 4938-7008

SPW-477 Water Oct 1986 478 (Blind)

Sample A Gr. alpha 34.0t6.0 40.0t5.0 31.3-48.7 Ra-226 5.8t0.2 6.0t0.9 4.4-7.6 Ra-228 2.721.0 5.0*0.8 3.7-6.3 Uranium 11.0 0.0 10.0t6.0 0.0-20.4 Sample B Gr. beta 38.7 1.2 51.0t5.0 42.3-59.7 Sr-89 5.020.0 10.0t5.0 1 3-18.7 Sr-90 3.0t0.0 4.0tl.5 1.4-6.6 Co-60 24.7tl.2 24.0t5.0 15.3-32.7 i '

Cs-134 11.0t2.0 12.025.0 3.3-20.7 Cs-137 9.311.2 8.0t5.0 0.0-16.7 STM-479 Milk Nov 1986 Sr-89 7.7tl.2 9.0t5.0 0.3-17.7 Sr-90 1.0t0.0 0.0*1.5 0.0-2.6 I-131 52.3t3.1 49.0t6.0 36 . 6 - 5 9 . 4 j Cs-137 45.723.1 39.0t5.0 30.3-47.7 i K-40 1489t104 1565t78 1430-1700 I STU-480 Urine Nov 1986 H-3 5540 26 5257t912 4345-6169 STW-481 Water Nov 1986 Gr. alpha 12.0t4.0 20.0t5.0 11.3-28.7 Gr. beta 20.0t3.5 20.0t5.0 11.3-28.7 STW-482 Water Dec 1986 Ra-226 6.7 0.2 6.8tl.0 5.0-8.6 Ra-228 5.210.2 11.1 1.7 8.2-14.0

, STW-483 Water Jan 1987 Sr-89 19.7 5.0 25.0t5.0 16.3-33.7 Sr-90 21.0t2.0 25.0tl.5 22.4-27.6 i j 4 A-10 j l

! l Taole A-1. (continued).

"~

Concentration in 0C1/.10 ~~

Lab Sample Gate TIML Result EPA ResultS code Type Collected analysis 22aC 1s. N=1 Control Limits Jan 1987 STa-484 Water Pu-239 17.022.3 16.721.7 13.8-19.6 STF-486 Food Jan 1987 $r-90 36.024.0 49.0210.0 31.7-66.3 1-131 78.023.4 78.028.0 64.1-91.9 ,

Cs-137 89.7t3.0 64. 02 5. 0 75.3-92.7  :

X 40 942156 980149 895-1065 STF-487 food Jan 1987 SR-90 2.0t0.0 ---

(BlanX) 1-131 <3 ---

i Os-137 <2 ---

X-40 993t102 ---

STW-488 Water Feb 1987 Co-60 49.020.0 50.025.0 41.3-58.7 Zn-65 96.0t7.2 91.025.0 82.3-99.7 Ru-106 92.0t20.2 100. 0t 5. 0 91.3-108.7 ,

Cs-134 53.0t3.4 59.025.0 50.3-67.7

Cs-137 89.314.6 37. 02 5. 0 78.3-95.7 STW-489 Water Feb 1987 H-3 41302140 44092420 3479-4939  ;

L STW-490 Water Teb 1987 Uranium 8.321.2 8.026.0 0.0-18.4 i STM-491 Milk Feb 1987 I-131 10.0t0.0 9.020.9 7.4-10.6 Sfw-492 Water Mar 1987 Gr. alpt:a 3.721.2 3.025.0 0.0-11.7 Gr. Deta 11.3tl.2 13.015.0 4.3-21.7 f  !

2 STW-493 Water Mar 1987 Ra-226 7.020.1 7.321.1 5.4-9.2 .

Ra-228 7.lt2.3 7.521.1 5.5-9.5

)

STW 494 Water Apr 1987  !-131 8.0t0.0 7. 02 0. 7 5.8-8.2  !

a ST AF -495 Air Apr 1987 Gr. alpha 15.020.0 14.025.0 5.3-22.7 Filter Gr. beta 41.022.0 43.015.0 34. 3 -5 1. 7 Sr-90 16.311.2 17.011.5 14.4-19.6 I. (s-137 7.0t0.0 8.025.0 0.0-16.7 i

, STW-496 Water Apr 1987 I 1

497 (Blind) )

1 Sample A Gr. alpna 30.711.2 30.028.0 16.1-43.9 l Ra-226 3.910.2 3.920.6 2.9-4.9 l Ra-228 4.920.9 4.020.6 3.0-5.0 l Urantum S.020.0 5. 0s5. 0 0.0-15.4 1

I i

A-11

o .

Table A-1. (continued)

Concentration in pC1/10 Lab Sample Date TIML Result EPA ResultS Code Type Collected Analysis 22aC 15. N=1 control Limits STW 496 Water Apr 1987 497 (Blind)

Sample B Gr. Beta 69.319.4 66.025.0 57.3-74.7 Sr-89 16.323.0 19.025.0 10.3-27.7 Sr-90 10. 0t0. 0 10.021.5 7.4-12.6 Co-60 8.323.0 8.015.0 0.0-16.7 Cs-134 19.0 2.0 20.025.0 11.3-28.7 Cs-137 14.721.2 15.025.0 6.3-23.7 STU-498 Urine Apr 1987 H-3 60172494 56202795 4647-6593 STW-499 Water May 1987 Sr-89 38.0t6.0 41.025.0 32.3-49.7 Sr-90 21.0t2.0 20.0 1.5 17.4-22.6 STW-500 Water May 1987 Gr. alpha 9.023.4 11.015.0 2.3-19.7 Gr. beta 10.321.2 7.025.0 0.0-15.7 STW-501 Water June 1987 Cr-51 40.018.0 41.025.0 32.3-49.7 Co-60 60.323.0 64. 0 5.0 55.3-72.7 Zn-65 11.325.0 10.025.0 1.3-18.7 Ru-106 78.326.4 75.025.0 66 . 3-83. 7 Cs-134 36. 72 3.0 40.025.0 31.3-48.7 Cs-137 80.324.2 80.025.0 71.3-88.7 STW-502 Water June 1987 H-3 2906286 28952357 2277-3513 a Results ootained by Teledyne Isotopes Midwest Laboratory as a participant in the environmental sample crosscheck program operated by the Intercomparison and Calibration Section, Quality Assurance Branen, Environmental Monitoring and Support Lacoratory, U. S. Environmental Protection Agency (EPA), Las Vegan, Nevada, b All results are in the pCi/1, except for elemental potassium (K) data, whien are in mg/1; air filter samples, wnich are in pCi/ filter; and fooa, whicn is in pCi/kg.

c Unless otherwise indicated, tne TIML results are given as the mean 22 stancard deviations for three determinations.

d USEPA results are presented as the known values and expected laboratory precision (1s, 1 determination) and control limits as cefined by EPA.

e NA = Not analyzed.

A-12

._.._-.__m._ _ _ . _ _ . . _ _ _ _ _ _ _ . _ _ _ _ _ = = _ _ _ _ _ _ _ _. _ __ _ _ _ _ _ __ _ __

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

mR

! Teledyne Average t?o u j Lab TLD Result Known (all Code Type Meassement 12oa Valuec participants) j 1 2nd International Intercomparison,,b 115-2 CaF7:Mn Field 17.011.9 17.1 16.417.7 Bulb Lab 20.814.1 21.3 18.817.6 3rd International Intercomparison e l

4 Y 115-3 Caf :Mn Field 30.713.2 34.914.8 31.513.0 U Bu .b Lab 89.616.4 91.7114.6 86.2124.0 4

4th International Intercomparisoni 115-4 CaF7:Mn Field 14.111.1 14.111.4 16.019.0 Bulb Lab (Low) 9.311.3 12.212.4 12.017.4 Lab (High) 40.411.4 45.819.2 43.9113.2 Sth International Intercomparisoni ilS-SA CaF7:Mn Field 31.411.8 30.016.0 30.2114.6 Bulb Lab at .

77.415.8 75.217.6 75.8140.4 I beginning i Lab at  % .615.8 88.418.6 90.7131.2 the end 1

i l

i

Table A-2. (continued) mR Teledyne Average 120 u L ab TLD Result Known (alI

' Code Type Measurement 1208 ValueC participants) 115-58 Lif-100 Field 30.314.8 30.016.0 30.2t14.6 -

Chips Lab at 81.117.4 75.217.6 75.8140.4 beginning Lab at 85.4111.7 88.418.8 90.7131.2 7 the end 7th International Intercomparisonh Il5-7A Lif-100 Field 75.412.6 75.816.0 75.It29.8 Chips Lab (Co-60) 80.013.5 79.914.0 77.9t27.6 Lab (Cs-137) 66.612.5 75.013.8 73.0122.2 115-78 CaF2:Mn Field 71.5t2.6 75.816.0 75.1129.8 Bulbs

.ab (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 Ca504 :Dy Field 76.812.7 75.816.0 75.1129.8 Cards Lab (Co-60) 82.513.7 79.914.0 77.9127.6 Lab (Cs-137) 79.013.2 75.013.8 73.0122.2 e

6 __- - - - _ _ _ _ . _ _ _ _ _ . _ _ _ . _ _ _ _ _ _ _ _ _ _ . _ - - . _ _ _ . _ _ . _ . _ _ - - _ _ _ _ _- - - %.% ww w.- ------. -- r- n y, s - -y- " wa- ~ . , - -a- , -

-=

Table A-2. (Continued) mR Teledyne 8 Aver 49e 1 20 1 Lab TLD Hesult Known (alI Code Type Measurement 1208 ValueC participantsJ 8th International Intercomparison' i ll5-8A Lif-100 field Site 1 29.511.4 29.711.5 28.9112.4 j Chips F eld Site 2 11.310.8 . 10.410.5 10.119.06

! Lab (Cs-137) 13.710.9 17.210.9 16.216.8 115-88 CaF2:Mn Field Site 1 32.311.2 29.711.5 28.9112.4 0"IDS 9.011.0 10.410.5 10.119.0 Field Site 2 y Lab (Cs-137) 15.810.9 17.210.9 16.216.8 l

  • l 115-8C CaSO4 :Dy Field Site 1 32.310.7 29.711.5 28.9112.4 Cards Field Site 2 10.610.6 10.410.5 10.119.0 Lab (Cs-137 18.110.8 17.210.9 16.216.8 4 Lab result given is the mean 12 standard deviations of three determinations.

b Second International Intercomparison of Environmental Dosimeters conducted in April of 191b by tne Healtri i and Safety Laboratory (GASL), New York, New York, and the Scnool of Public Health of the Urieversity of Texas. Houston, Texas.

C Value determined by sponsor of the intercomparison using continuously operated pressurized son (naseer.

d Mean 12 standard deviations of results obtaireed by all laboratories participating in tne program.

e Third International Intercomparison of Environmental 00simeters conducted in sumamer of 197/ by Oak Ridge

! National Laboratory and the School of Public Health of the Uriiversity of Texas. Houston, Texas.

i f fourth International Intercomparison of Environmental Dostmeters conducted in sumuner of 1919 oy the i School of Public Health of the University of Texas. Houston, Texas.

9 Fifth International Intercomparison of Environmental 00simeter conducted in tall of 1960 at , loano falls,

idaho and sponsored by the School of Public Health of the University of Texas, houston, Texas and Environmental Measuremaarits Laboratory, New York, New York, U.S. Department of Energy. .

, Seventh International Intercomparison of Environmental Dosimeters' conducted in the spring and summer of 1984 at Las Vegas, Nevada, and sponsored by the U.S. Department of Energy, the U.S. Nuclear Negulatory l

. Consnission, and the U.S. Environmental Protection Agency.

' fightn 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.

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

Concentration in pC1/1 Lab Sample Date TIML Result Known Expectea Coce Type Collecteo Analysis n=3 Activity Precision

] 15. n=38 i QC-MI-6 Milk Fee. 1986 Sr-89 6.0tl.9 6.423.0 8.7 1 Sr 90 14.221.7 12.922.0 5.2 i 1-131 34.223.8 35.223.5 10.4

! Cs 134 32.021.8 27.3t5.0 8.7 Cs-137 35.8t2.1 35.0t5.0 8. 7

]

QC-W-14 Water Mar. 1986 Sr-89 -

1.620.4 1.6t1.0 7.1 Sr-90 2.410.2 2.422.0 4.2 j QC-W 15 Water Apr. 1986 1-i31 44.912.4 41.5t7.0 10.6 i

Co-60 10.621.7 12.1!5.0 7.10 1 Cs 134 30.212.4 25.828.0 7.10 1

Cs-137 21. 9tl . 9 19.915.0 7.10

! QC-MI-7 Milk Ap r . 1986 1-131 39.723.3 41.527.0 10.4 .

, Cs 134 28.722.8 25.818.0 8.7 i Cs-137 21.222.8 19.925.0 8.7 4

j SPW-1 Water May 1986 Gross alpna 15.821.8 18.0t5.0 SC r

QC-W-16 Water June 1986 Gross alpha 16.220.7 16.922.5 8.7 Gross beta 38.423.5 30.2t5.0 8. 7 QC MI-9 Milk June 1986 Sr-89 <1.0 0.0 7.10 J

Sr-90 12.621.8 13.323.0 4.20 .

! I-131 38.927.0 34.827.0 10.4 i i

Cs 134 33.0t3.4 36.125.0 8.7 i j Cs-137 38.522.8 39.025.0 8.7 SPW-2 Water June 1986 Gross alpha 16.821.8 18.025.0 5C j SPW-3 Water June 1986 Gross alpha 17.720.8 18.025.0 SC l QC-W-18 Water Sep. 1986 Cs-134 34.725.6 31.3t5.0 8. 7 Cs-137 51.127.0 43.328.0 8.7 QC W-19 Water Sep. 1986 Sr-89 13.624.1 15.623.5 7.10 Sr 90 6.421.6 6.222.0 4.20 l

i 1

) A-16 )

i i

I 1

! Table A 3. Inahouse spiked samoles (continued) i

?

, Concentration in DCi/l f Lab Samole Date TIML Result Known Expected [

l Code Type Collected Analysis n=3 Activity Precision 15, n=34  ;

i  !

l QC-W-21 Water Oc t . 1986 Co-60 19.2t2.2 18.5t3.0 8.7 l I -

Cs-134 31. 7t 5. 2 25.6t8.0 8.7

! Cs-137 73.8tl.0 21.6t5.0 8.7

QC-MI-11 Milk Oct 1986 Sr-89 12.3tl.8 14.3t3.0 8.7 i

i QC W-20 Water Nov. 1986 H-3 3855t180 3960*350 520b QC-W-22 Water Dec. 1996 Gross alpha 9.8tl.4 11.224.0 8.7 ,

l Gross beta 21.7t2.0 23.8ts.0 8.7 ,

OC-W-23 Water Jan. 1987 I-131 29.8t2.5 27.9t3.0 10.4 l

, QC -M I-12 Milk Jan. 1987 I-131 36.Stl.3 32.6t5.0 10.4 Cs-137 32.6t4.2 27.4t8.0 8.7 ,

4 l

1 SPM-13 Milk Jan 1987 Sr-89 10.4t2.1 12.2t4.0 8. 7 {

1 Sr-90 14.6tl.6 12.6t3.0 5.2 '

I-131 49.5tl.2 54.928.0 10.4

  • i Cs-134 <1.6 0.0 3.7 i j

Cs-137 33.3t0.6 27.4t8.0 8. 7  !

) SPW-24 Water Mar 1987 Sr-89 24.7t3.6 25.9t5.0 8.7

Sr-90 23.9t3.8 22.8t8.0 5.2 I SPW-25 Water Apr 1987  !-131 28.0tl.9 29.325.0 10.6 i

i SPM-14 Milk Apr 1987 I-131 25.0t2.2 23.925.0 10.4 I Cs-134 <2.1 0.0 8.7 j Cs -137 34.2t2.0 27.2i7.0 8.7 I

i SPW-26 Water Jun 1987 H-3 3422t100 3362t300 520 Co-60 24.8 1.4 26.5t7.0 8.7 Cs-134 <2.0 0.0 8.7 Cs-137 21.2t0.5 21.6t7.0 8.7 SPW-27 Water Jun 1987 Gr. alpha 8.5tl.9 10. lt 4. s 8.7

) Gr. beta 22.6tl.9 21.2t5.0 8.7 SPW-28 Water Jun 1987 Gr. aloha 8.7tl.3 10.124.0 8.7 Gr. beta 12.2t5.2 9.4t3.0 8.7 i

l a j n=3 unless noted otherwise.

' n=2.

C n=1.

4-17 i

k

j l

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

i  !

A

" Concentration in pCi/l ,

)

Accept ance i Lab Samole Date Results Criteria f Code Type Collteted Analysis (4.66o) (4.66o) (

l; i

! l BL-1 0.I. Water Nov. 1985 Gross alpha <0.1 <1 l'

Gross beta (0.4 <4 BL-2 0.I. Water Nov. 1985 Cs-137 (gama) <1.9 (10 l

! BL-3 0.I. Water Nov. 1985 Sr-89 <0.5 <5 l j Sr-90 <0.6 <1 .

i BL-5 0.I. Water Nov. 1985 Ra-226 <0.4 <1 1 Ra-228 <0.4 <1 )

i SPW-2265 0.1. Water Apr. 1985 Gross alpha <0.6 <1 Gross beta <2,2 <4 l j Sr-89 <0.2 <5  !

3 Sr-90 <0.4 <1 i 1-131 (0.2 <1 Cs-137 (gama) (7.4 <10 l

) BL 6 0.1. Water Apr. 1986 Gross alpha <0.4 <1 i BL-7 0.I. Water Apr. 1986 Gross alpha (0.4 <1 l

i BL 8 0.I. Water June 1986 Gross alpha <0.4 <1 1

j BL-9 0.I. Water June 1986 Gross alpha <0.3 <1 l SPS 3292 Milk Jan 1987 I-131 <0.1 (1 i Cs 134 (6.2 <10 i Cs-137 (6.4 <10 i

t SPW-3554 0.1. Water Feb 1987 H-3 (180 <300 4

Gross beta <2.6 (4 l

) '

SPS-3555 Milk Feb 1987 Sr-89 (0.6 <5 Sr-90 1 9t0.4a <1 SPS-3731 Milk Mar 1987 Cs-134 <2.2 <10 Cs-137 9. 5 <10

)

i 1

{ A 18 i

I i l l _ . .._______

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

1  !

i i l l

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

I 1

j Concentration in pC1/1  !

1 Accept ance  !

i Lab Sample Date Results Cetteria  ;

j Code Type Collec ted Analysis (4.66o) (4.60o)  !

! SPS 3732 0.1 Water Mar.1987 Sr-89 <0.9 <5  !

! Sr-90 <0.8 <1 l-131 (0.3 <1 j Co-60 <2.3 <10 t Cs-134(G) <2.2 <10 Cs-137(G) <2.4 <10 i

, Ra-226 <0.1 <1 4

Ra-228 <1.0 <1  !

4 Np-237 <0. 04 <1 I in-230 <0.05 <0.1 1 in-232 <0.02 <0.1 i

! U-234 <0.05 <0.1  ;

U-235 <0. 03 <0.1 U-238 <0.03 <0.1 i I SPS-4023 Milk May 1987 I-131 <0.1 <1 i^ l SPS-4203 0.1. Water May 1987 Gross alpna <0.7 <1 l Gross beta (1.7 <4 jl l

] SPS-4204 Milk May 1987 Sr 89 (0.5 'S j Sr-90 2.420.6a (1 j t

SPS.4390 Milk June 1987 Cs-134 <4. 7 <10 l

] Cs 137 <5.2 (10 1

l i SPS-4391 0.I. Water June 1987 Sr-89 <0.4 <5 l Sr-90 (0.4 <1 j

) 1-121 <0.1 <1 J

Co-60 <3.8 )

<10 t i Cs-137 <5.7 <10  !

Ra-226 <0.1 <1  ;

Ra-228 <0.9 <1 l a low level (1 4 pC1/1) of Sr 90 concentration in milk is not unusual.

A-19 i

i l

4 TIML 3LINU-01 Aevis m ;,12-29-d6 l ATTACHMENT B l ,

ACCEPTANCE CRITERIA FOR "SP!KE0" SAMPLES S

LABORATORY PRECISION: ONE STANDARD DEVIATION VALUES FOR VARIOUS ANALYSES 4 E I

i I

One Standaro Deviation ,

Analysis Level for Single Determination Gama Emitters 5 to 100 pCi/ liter or kg 5 pCi/ liter i

>100 pCi/ liter or kg 5% of known value i i i Strontium-89b 5 to 50 pCi/ liter or kg 5 pCi/ liter i

>SO pCi/ liter or kg 10% of known value

! Strontium-90b 2 to 30 pCi/ liter or kg 3.0 pCi/ liter l >30 pCi/ liter of kg 10% of known value  :

Potassium >0.1 g/ liter or kg 5% of knowr value Gross Alpha <20 pCi/ liter 5 pCi/ liter

>20 pCi/ liter 25% of known value j Gross Beta <100 pCi/ liter 5 pct / liter l >100 pct / liter 5% of known value s

} Tritium <4,000 pCi/ liter is = (pCi/ liter) =

i 169.85 x (known).0933

>4,000 pCi/ liter 10% of known value P

4 Radium 226, <0.1 pCi/ liter 15% of known value Radium-228

]

Plutonium 0.1 pCi/ liter, gram, 10% of kno.n value or sample Iodine-131, b <55 pCi/ liter 6 pCi/ liter j

) Iodine-129 >55 pCi/ liter 10% of known value l

)j Uranium-238, Nickel-630,

<35 p'Ci/ liter

>35 pCi/ liter 6 pCi/ liter 15% of kno.n value j Technetium-990 i Iron-55b 50 to 100 pCi/ liter 10 pCi/ liter 10% of kno.n yalue 3

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

TIML limit.

l 1

A-20 J

i

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

r i

J i

4 Appendix B Data Reporting Conventions i

l 1

t i

i 1

4 d

1 l

l l .

B-1 4

_____- ._ .--e..e-, -- ---"P-- " ' ' '

t I

Data Reporting Conventions '

1.0. All activities are decay corrected to collection tt.4. '

4 4

2. 0. Single Measurements Each single measurement is reported as follows:

xi5 i

where x = value of the measurement; e' s = 2o counting uncertainty (corresponding to the 955 confidence level).

In cases where the &ctivity is found to be below the lower limit of detection L it is reported as (1.

where L = is the lower limit of detection based on 4.66o uncertainty for a background sample.

3. 0. Duplicate Analyses 3.1.

Individual results: x1 i s1 '

j X2

  • 52 1 Reported result: xis l

where x = (1/2) (x1 + x2) 1 s=(1/2) sf + sf 3.2. Individual results: <ll (L2 Reported result: (L i where L = lower of L1 and L2

3. 3. Individual results: xts i

j (L Reported result: x i s if x ) L;

<L otherwise l

3 B-2 1

N i l

1 4.0. Cogutation of Averaget and Standard Deviations  ;

j! 4.1 Averages and standard deviations listed in the tables are cog uted from all of the individual measurernents over the period averaoed;

) for exagle, an annual standard deviation would not be the average i

l of quarterly standard deviations. The average x and standard  ;

deviation (s) of a set of n nuders x1, x2' In are defined l'

as follows

1 q

x=hIx I

3, E(x-x)2 n-1 4.2 Values below the highest lower limit of detection are not included in the average.

L

4. 3 If all of the values in the averaging group are less than the highest LLO, the highest LLD is reported. l
4. 4 If all but one of the values are less than the highest LLD, the single value x and associated two sigma error is reported.

4.5. In rounding off, the following rules are followed: t 4.5.1. If the figure following those to be retained is less than 5, the figure is dropped, and the retained figures are kept unchanged. As an exagle,11.443 is rounded off to 11.44 l r

4.5.2 If the figure following those to be retained is greater than  ;

5, the figure is dropped, and the last retained figure is raised by 1. As an exagle,11.446 is rounded off to 11.45.

j 4.5.3. If the figure following those to be retained is 5, and if there are no figures other than zeros beyond the five, the figure 5 is dropped, and the last-place figure retained is 1 increased by one if it is an odd nuder or it is kept unchanged if an even nuder. As an exagle,11.435 is  ;

j rounded off to 11.44, while 11.425 is rounded off to 11.42. l l

i 1

l I .

B-3 I

i A

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