ML061780093

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State of Vermont, Environmental Radiation Surveillance Report, 2001 Summary
ML061780093
Person / Time
Site: Vermont Yankee Entergy icon.png
Issue date: 12/31/2001
From:
State of VT, Dept of Health
To:
Office of Nuclear Reactor Regulation
References
%dam200611
Download: ML061780093 (55)
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Text

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Evironmeta Raiton Srveillance',

I 2001 Summary.

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Vermont. Department of Health'

'i-) I. Office of Occupational & Radiological Health

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C Q C C AIR SAMPLES 2001 Air samples are taken at various fixed locations using a line powered piston-type compressoroperating at a rate of 1 cubic foot per minute nominal. The sample is collected on a fiberglass 2" diameter filter. Collection time is continuous with a nominal sampling period of four weeks.

The samples are sent to the Vermont State Department of Health Laboratory for gross Alpha and Beta analyses. Results are reported in picoCuries per cubic meter of air with 2 sigma (standard deviation) value.

(picoCuries/Cubic Meter) hd% fi ý' "t ',7. ft1b6SaeI61fd t~  ::

1/3 -2/1/01 0.0026 + 0.0009 0.0218 + 0.0021. 0.0023 + 0.0008 0.0155 + 0.0015 2/1-3/1/01 0.0023+ .0010 0.0186 +/- 0.0022. 0.0017 + 0.0007 0.0142 + 0.0014 3/1 - 4/20/01 0.0019 + 0.0008 0.0112 + 0.0013 0.0014 + 0.0006 0.0096 +/- 0.0010 4/20 - 5/14/01 0.0047 + 0.0016 0.0202 + 0.0025 .0.0043 + 0.0014 0.0166 + 0.0021 5/14 - 6/6/01 0.0024 + 0.0010 0.0096 + 0.0016 0.0017 + 0.0071 0.0071 + 0.0013 6/6 - 7/3/01 0.0044 + 0.0013 0.0154 + 0.0017 0.0027 + 0.0010 0.0135 + 0.0015 7/3 - 8/2/01 0.0027 + 0.0009 0.0136 +/- 0.0015 0.0024 + 0.0008 0.0123 + 0.0013 8/2 - 9/10/01 0.0036 + 0.0009 0.0182 + 0.0015 0.0033 + 0.0008 0.0152 + 0.0012 9/10 " 10/3/01 0'0040 + 0.001.5 0.0166 + 0.0025 0.0033 + 0.0012 0.0130 + 0.0020 10/3 - 11/1/01. 0.0048 + 0.0011 0.0200 + 0.0016 0.0035 + 0.0008 0.0151 + 0.0013 11 /1 - 12/6/01 0.0050 + 0.0014 0.0227 + 0.0022. 0.0036 + 0.0010 0.0190 + 0.0017 12/6/01 :- 1/3/02 0.0036'+ 0.0010 0.0196 + 0.0024 0.0034 + 0.0008 1 0.0156 + 0.0018

C c C AIR SAMPLES 2001 (picoCuries/Cubic Meter) 1/3 -'2/1/01 0.0036h+0.0010 0.0216 +/- 0.0019.. 0.0025 +/- 0.0008 0.0183 +/- 0.0016 2/1 - 3/1/01 0.0043 +/- 0.0011 0.0175 +/- 0.0017 0.0023 +/- 0.0007 0.0157 +/- 0.0015 3/1 -4/20/01 0.0025 h 0.0008 0.0116 +/- 0.0012, 0.0019 +/- 0.0006 .. 0.0098 +/- 0.0010 4/20 - 5/14/01 0.0045 +/- 0.0015. 0.0184 +/- 0.0022 0.0039 +-0.0013 0.0167 +/- 0.0020 5/14 -6/6/01 0.0012 + 0.0008 0.0080.+.0.0014 . 0.0020.+ 0.0008 0.0071 + 0.0013 6/6 - 7/3/01 0.0024 +/- 0.0010 0.0142

  • 0.0015 0.0023 + 0.0010 0.0131 +/- 0,0015 7/3-8/2/01 .0.0019 + 0.0007 0.0109+/--0.0013 0.0023 +/- 0.0007 0.0121 +/- 0.0013 8/2 - 9/10/01 0.0028 + 0.0008 0.0175 + 0.0014 0.0036 + 0.0008 0.0172 + 0.0013 9/10 - 10/3/01 0.0038 + 0.0014. 0.0155 + 0.0023 0.0026 + 0.0011 0.0144 + 0.0020 10/3 - 11/1/01 0.0041 + 0.0010 0.0150 + 0.0014 0.0036 + 0.0009 0.0159+ 0.0013 11/1 -.12/6/01 0.0048 + 0.0013 0.0211 + 0.0020 0.0044 + 0.0011 0.0179 + 0.0017 12/6/01 - 1/3/02 0.0036 +'0.0010, 0.0192 + 0.0022 0.0024 + 0.0007 0.0159 + 0.0018

SC. C AIR SAMPLES 2001 (picoCuries/Cubic Meter)

C C AIR SAMPLES 2001 (picoCuries/Cubic Meter) 1/3 - 2/1/01 0.0030 +/- 0.0009 0.0179 0.0017 0.0024 + 0.0008 0.0168 + 0.0016 2/1 -3/1/01 0.0035-+/-0.0010. 0.0157 0.0016 0.0034 + 0.0009 0.0161 + 0.0015 3/1 -4/20/01 0.0018 +/- 0.0007 0.0101 - 0.0011 0.0020 + 0.0007 0.0108 + 0.0011 4/20 - 5/14/01 0.0048 0.0016 0.0189 0.0023 0.0049.+ 0.0015 0.0177 + 0.0021 5/14 - 6/6/01 0.0021 - 0.0009 0.0080 - 0.0015 0.0019 + 0.0008 0.0064 + 0.0013 6/6-7/3/01 0.0021 0.0010 0.0150 0.0016 0.0017 + 0.0010 0.0127 + 0.0015 7/3 - 8/2/01 0.0020 - 0.0008 0.0110 -0.0014 0.0023 + 0.0008 0.0111 d-0.0013 8/2 - 9/10/01 0.0041 + 0.0009 0.0178 + 0.0014 0.0033 + 0.0008 0.0179 +.0.0014 9/10 - 10/3/01 0.0040 + 0.0014 0.0140 + 0.0021 0.0033 + 0.0013 0.0150+ 0.0021 10/3 - 11/1/01 0.0043 + 0.0009 0.0160 +0.0014 0.0045.+ 0.0009 0.0170 + 0.0014 11/1 - 12/6/01 0.0037 + 0.0011 0.0207 + 0.0019 0.0038 + 0.0011 0.0200 + 0.0018 12/6/01 - 1/3/02 0.0039 + 0.0009 0.0180 + 0.0020 0.0034 + 0.0010 0.0175 + 0.0023

AIR SAMPLES 2001 (picoCuries/Cubic Meter)

C C C AIR SAMPLES 2001, (picoCuries/Cubic Meter)

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Al.R BIOTA 2001 Occasional sampling, most often once a year, is done on other biologicals and Wild foods as available or needed. Samples are collected (usually in the Northwest quadrant) within a mile or two from the facility.

These normally consist of ferns (fiddleheads), edible fungi (Clavaria sp., Boleti sp., Russlae sp., grapes.

etc.) and grass. Sample sizes range 'from 250 to 1,000 grams. The samples are weighed, placed wet in reentrant beakers and analyzed in the laboratory gamma spectrometer. Usual spectra include primordial radionuclides, archival Cesuim-137 and occasional cosmogenic Berylliuim-7.

Vernon.- Northwest Fence of Vt. Yankee (picoCuries/kilogram)

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zeyIu-Summer 6/6/01 Alfalfa ND 3860 +380 436+ 135 Summer 6/6/01 Grass ND 6020 + 530 405 + 104 Summer 6/7/01 Fern ND 6950+610 .3300 +350 Fall 11/1/01 Grass ND 7510 + 750 1430+270 sm-)

Samples were also evaluated for the radionuclides listed below. None were present in excess of the lower limits of detection.

Cr-51 69 Sb-126 18 Mn-54 15 1-131 27 Co-56 15". Cs-134 58 Co-60 21 *Cs-136 18 Zn-65 18. Cs-137 5 Sr-85 . .86 . Ce-139 93 Ru/Rh-103 32 Ce-141 98 Sb-124 18* Ce-144 .98

  • = Chernobyl event and archival atmospheric testing
    • =Cosmogenic Q ND Below Detection Limits

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FISH 2001 Two locations (3-4 Vernon Pond and 3-8 Route 9 Highway bridge) provide fish samples in Spring and Fall of about one kilogram for each sample location. Fish are captured via an electroshock method with those having game or commercialvalue chosen. Fish are captured via an electroshock method with those having*

game or commercial value chosen for samples. The fish are frozen whole, weighed, and chopped (entire) for loading into a reentrant beaker and subsequent analysis in a ReGe detector equipped Gamma Spectrometer System. Radionuclides detected usually include naturally occurring Potassium-40, Thorium and Uranium with daughters, archival Cs-137 due to former open atmospheric nuclear testing, and occasional traces of cosmogenic Beryllium-7. Reporting units are.picoCuries per Kilogram.

Spring Fall QW)

Samples were also evaluated for the radionuclides listed below. None were present in excess of the lower limits of detection (L.L.D.) which are shown in.pCi/kg.

Cr-51 69 Sb-126 18

  • Mn-54 15 1-131 27 Co-56 15 Cs-134 58 Co-60 21 Cs-136 18 Zn-65 18 Cs-137 5 Sr-85 86 Ce-139 93 Ru/Rh-103 32 Ce-141
  • 98 Sb-124 18 Ce-144 98
  • = Chernobyl event and archival atmospheric testing" ND = Below Detection Limit

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IODINE CARTRIDGES 2001 Charcoal cartridges loaded with TEDA for facilitative iodine collection are part of the air sampling train at selected air filter sampling stations. The sample rate-and sampling times coincide with those used for air filters. Response to Ch6nobyl iodine release was marked, proving the sensitivity to environmental trace levels of iodine of this system. The Health Department Radiation Laboratory analyzes the cartridges for iodine by gamma spectroscopy. Nominal Minimum Detectable Activity is 2 x 10"5 pCi/l of air.

  • -...Sample :Period~ -ummerston *Vernon '. :Renaud -:Brattleboro 8choolo

,iros arage  :..- ' Vernon ..:ý High :School January X X X X February X X X X March X X X X April X X X. X May X x x x June x x x x July x X x x August X X X X September X X X X October X X X X November X X X X December X X X:: X

Sample:Periodi--;,Brattleborob, 'VW..dhd. i"'

~ ~ vCounity January X X February X X March X X April *X .x May X X June X X July . X X August X X September *X X October X. X November. X X December X X X = No Evidence of Iodine 131

IODINE CARTRIDGES 2001

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January X X X X February X X X X March X X X X April X X X X May X X X X June X X X X July .. X .. X X X August . X X X X September . X X .X X October X X X X November ..X X X X December. X X X X X'X- No Evidence of Iodine 131

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MILK 2001 All samples were analyzed for Iodine-131. No results, except as noted, were found above or at the detection limit of 10 picoCuries/liter. Significant indications of the presence of any other radionuclides are investigated and reported if found.

Blodgett X X X X X X Miller X X X X X X X = None Detected

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SEDIMENT 2001 A sediment sample is taken ranging from approximately 0.75 to.1.25 kilograms from the Connecticut River at three separate locations in the spring and fall of each year. The sample is dried then weighed and top loaded in a one liter Marinelli Beaker and counted. A normal spectrum will include primordial radionuclides with daughters, and archival Cesium-137 dissipating from former open atmospheric nuclear testing. .On occasion short-lived cosmogenic Beryllium-7 can be discerned at levels comparable with natural Potassium-40.

. FALL pic~oCuries/kflograrn "3-3 55+22 12200 +1000 ND 3-4 81 +24 13200+ 1100 ND 3-8 40+15 - 10700 + 800 ND Samples were also evaluated for the radionuclides listed below. None were present in .excess of the lower limits of detection (L.LLD.) which are shown in pCi/kg.

Cr-51 69 Sb-126 18 Mn-54 15 1-131 27 Co-56 15 Cs-134 58 CO-60 21 Cs-136 " 18 Zn-65 18 Cs-137 5 Sr-85 . 86 Ce-139 93 Ru/Rh-t103 32 Ce-141 98 Sb-124 18 Ce-144 98

  • = Ch6nobyl event and archival atmospheric testing
    • = Cosmogenic ND = None Detected

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SOIL 2001 Occasional sampling, most often once a year, is done on other soils as available or needed. Samples are collected (usually in the Northwest quadrant) within a mile or two from the facility. Sample sizes range from 250 to 1,000 grams. The samples are weighed, dried and placed in 500 ml wide mouth HDPE bottles and analyzed in the laboratory gamma spectrometer. Usual spectra include primordial radionuclides, archival Cesuim-137 and occasional cosmogenic Beryllium-7. , Reporting units are picoCuries per Kilogram.

Northwest Corner Vermont Yankee Fence picoCuries/kilogram Spring 6/6/01 135+30 13400+1100 ND Fall 11/1/01 175+31 15000 +1200 564+222

  • = Chernobyl event and archival atmospheric testing
    • = Cosmogenic ND = Below Detection Limits

'SPECIAL STUDY - SEDIMENT.

) VERMONT YANKEE - NORTH STORM DRAIN OUTFALL Results in picoCuries/kilogram SPRING 2001

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S-1 ND ND 13700+/-1000 116+/-27 S-2 ND ND 17500+/-1200 164-L36 S-3 ND ND 15900++/-1200 199+/--47 S-4 ND ND 17700+ 1200 141.+/-30

.S-5 * * *

  • T-1 ND ND 12100+/- 900 ND T-2 ND ND 13300:+/- 900 .94 +/- 32 T-3 ND ND 15800+/-1200 162+/- 36 T4 ND ND 14900+/- 1000 114 + 26 T-5 * *
  • U-1 NDis ND 13800+/- 1000 112+/-28 U-2 ND ND 16600+/- 1200 145 +/-33 U-3 ND ND 16100+/- 1200 .151 +/- 29 U-4 ND . ,.ND 1.5300+/-1100 128+/-428 U-5 * .* "*.* .

V-1 ND ND 15100+/-1100 152 34.

V-2 ND -ND 14800 +/- 1100 185 +/-39 V-3 ND ND 15200+/--1100 .122+/--29 V4 ND ND 12600+/- 1000 102 +/-23 V-5* * *

  • W-1 * * *
  • W-2 ND ND 15600+/- 1100 150+/-27 W-3 ND ND 16900.+/- 1300 117+/- 39 W4 ND . . ND 14000+/-1000 108+/- 24 W-5 * *
  • X-1 --

X-2 .. ND . ND 15800+/- 1200 167+/--43 X-3 ND ND 14300+/- 1000 121+/-23

  • X-4 ND ND 12500+/- 1000 90+/-f- 33 X-5 * * *
  • Y-1 . * * *
  • Y-2 ND ND 18300+/- 1300 172-+/-32 Y-3 - ND ND 15500+1100 120+27
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Y-5 * *

  • Z-1 . * *
  • Z-2 * *.*

Z-3 ND ND 18000+1400 132+45

,Z-4 ND ND 18000.+ 1300 164 +37 Z-5 *"

  • Location not included for sampling
    • Chemobyl event and archival atmospheric testing ND = None Detected.

SPECIAL STUDY - SEDIMENT VERMONT YANKEE - NORTH STORM DRAIN OUTFALL Results in picoCuries/kilogram FALL 2001 "ocatio n * ! Beri:+/-**.. t....-60 -_7PotasCiuin-__7 S-1 ND ND 19500 +1500 153.+33 S-2 ND ND 15300+ 1200 129+39 S-3 ND ND 17900 +1400 172+44 S-4 ND ND 15000+ 1200 114+40 S-5 * * *

  • T-1 ND ND 13700+1100 104+27 T-2 ND ND 15900+ 1200 145+32 T-3 ND- ND 16300+ 1300 .158+38 T4 ND ND 14700+ 1200 94+26 T-5 * * *
  • U-1 1570+480 ND 13300+1100 127+35 U-2 742+511 ND 15200+ 1200 116+26 U-3 ND ND 15400+ 1200 137+31 U-4 ND ND 15300+ 1200 154+35 U-5 * * *
  • V-1 ND 409+38 14600 +1200 166+41 V-2 ND ND 16300 + 1300 209+45 V-3 ND ND 15500+ 1200 141+35 V4 ND ND 15800+ 1200 127+28 V-5 * * *
  • Wv-1 * * -
  • W-2 ND ND 17700+ 1400 149+34 W-3 ND ND 15800+ 1200 124+38 W4 ND ND 15400+ 1200 122+28 W-5 * * *
  • X-1 * * *
  • X-2 ND, ND 13800+1100 135+38 X-3 -ND ND 13200+ 1000 .114+24 X-4 ND ND 14000+1100 111+26 X-5 * * **
  • Y-1 * . * .
  • Y-2 ND ND 17200 +1300 137+32 Y-3 ND ND 14700+ 1200 .117+26 Y-4 * *
  • Y-5 * * *
  • Z-1 * * *
  • Z-2 * *
  • Z-3 ND ND 14400 +1100 131+26 Z-4 ND ND 13900+1100 108 + 28 Z-5 * * * *
  • Location not included for sampling
    • Chemobyl event and archival atmospheric testing ND = None Detected

t'w APPENDIX A RADIOLOGICAL SAMPLING PROGRAM OF BOTTOM -SEDIMENT NORTH STORM DRAIN

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THERMOLUMINESCENT DOSIMETRY (TLD) DATA 2001 (milliRoentgens . 2 Sigma)

This method samples direct gamma radiation in the environment. Detectors utilize crystals which store.

energy from gamma and x-rays until analyzed for their cumulative energy exposure experience. Vermont has over twenty selected locations where direct radiation levels have been measure for over ten years.

Some of these sites are located where other types of samples - air, milk, water are taken. Detectors are provided to the State of Vermont by Proxtonics, .Inc. and are deployed for a quarterly sampling interval.

Levels of direct radiation from the natural environment are routinely detected at each site.

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Miller Farm, Vernon. 11.4+ 1.1 "16.6+1.6 Elementary School Exterior, Vernon

  • 13.9 + 2.5 18.6 + 2.7 Elementary School Interior, Vernon 16.4.+1.7 21.0+2.-6 VY North Fence, Vernon 11.4+1.1 19.0+2.8 VY Parking Lot Fence, Vernon 14.9 + 0.3 22.6 + 2.1 Dummerston State Highway Garage (IFO) 12.9 + 0.3 18.7 + 3.1 VY Southwest Fence, Vernon 10.4+1.1 18.4 + 2.3 Renaud Bros. (Puffers), Vernon* 12.9 + 0.3 17.9 +2.4 Tyler Hill & Franklin Road, Vernon 13.9+0.3 18.0+ 1.9 Power Line River Crossing, Vernon
  • 11.9+0.3 17.1 + 2.8 Blodgett Farm, Vernon 13.4+1.1 19.3+1.8 Brattleboro U.H.S., Brattleboro 12.9 + 0.3 . 18.0 + 1.9 Henry Transportation, Guilford
  • 15.4 + 4.0 18.2_+ 1.1 Guilford Town Highway Garage, Guilford
  • 12.4 + 1.1 19.1 + 3.6 Evans.Farm, Guilford 12.4+1.1 16.8+1.5 Putney Town Clerk, Putney 11.4+1.1 16.6+2.7 State Highway Garage, Wilmington
  • 14.9 + 2.5 21.9 + 1.7 State Police, West Brattleboro
  • 11.9 + 2.5 16.6 + 2.8 Windham County Courthouse, Brattleboro 10.9 + 0.3 16.3 + 2.1 VDORH-A 11.9+.0.3 9.1 Smead Lumber, Vernon 12.9 + 0.3 16.9 + 1.6 Pond Rd. & Rte. 142 N, Vernon 15.4÷ 1.1 18.1 + 0.4 Engle Dr., West Rd., Vernon. 10.9 +.3.1 17.1+ 2.5 Fairman Rd., Vernon 11.9+0.3 .17.6 + 0.3 Pond Rd. & HoughtonHill Rd., Vernon 11.4+ 1.1 18.0+3.1 Rte. 5, Transmission Line, Guilford (10) 13.9 +0.3 18.6 + 2.2 Rte. 5, Andrews Cemetery, Guilford (40) 13.9 + 0.3 17.6 + 3.0.

Rte. 5 & Tkaczyk Farm Rd., Guilford (11) 11.4.+ 1.1 19.3 + 2.9 Tyler Hill Rd., Vernon

  • 13.4 + 1.1 19.2+ 3.1 Rte. 142 N of Transmission Line, Vernon 13.4+1.1 18.0+1.4 Rte. 5 to Guilford Ctr. Rd., Guilford (14) 14.4 + 1.1 17.3 + 1.4 Guilford Ctr Rd. & Tater Rd., Guilford 13.4 + 1.1 18.2 + 2.6 Weatherhead Hollow & Stony Hill Rds, Gfd 13.4 + 1.1 17.1 + 0.5 IM)
  • Collocated with Air Sampling Station

THERMOLUMINESCENT DOSIMETRY (TLD) DATA 2001.

tL) (milliRoentgens +/- 2 Sigma)

--~Loain. 1stQtr.>. 2n Qr Huckle Hill Rd. N of VT/MA Border, 13.4 + 1.1 21.6 + 3.8 Vernon Rte. 5, Dummerston School, Dummerston 12.9 + 0.3 18.0 + 2.6 Pond Rd., Vernon Rec. Area, Vernon 10.9 + 0.3 15.8 + 1.3 Rte. 142, Vernon Fire Dept., Vernon 12.4 + 1.1 18.4 + 2.5 Rte. 142 S & Pond Rd., Vernon 13.9+ 0.3 18.1+0.4 Rte. 142 & Newton Rd., Vernon 10.9 +0 .3 16.5 + 0.6 Rte. 142 & Depot St., VT/MA Line, Vernon 13.4 + 1.1 18.0 + 0.7 Gov. Hunt Rd. at Vernon Elem. School . 14.4 + 1.1 19.6+2.6 4

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  • Collocated with Air Sampling Station

THERMOLUMINESCENT DOSIMETRY (TLD) DATA 2001 (milliRoentgens = 2 Sigma)

Miller Farm, Vernon 20.0 + 2.4 23.7 + 0.1 Elementary School Exterior, Vernon* 24.5 + 2.2 23.0 + 2.1 Elementary School Interior, Vernon 26.3 + 3.6 25.5 + 3.1 VY North Fence, Vernon 23.8 + 2.7 24.8 + 0.3 VY Parking Lot Fence, Vernon 34.1 + 4.1 28.6 + 4.4 Dummerston State Highway Garage (IFO) 22.7 + 1.0 24.5 + 4.0 VY Southwest Fence, Vernon 23.5 + 1.4 23.0 + 2.0 Renaud Bros. (Puffers), Vernon* 25.5 + 2.9 21.8 + 2.6 Tyler Hill & Franklin Road, Vernon 23.0 + 3.4 22.7 + 2.1 Power Line River Crossing, Vernon

  • 21.8 + 2.0 21.6 + 3.5 Blodgett Farm, Vernon 23.3 + 1.5 26.5 + 4.1 Brattleboro U.H.S., Brattleboro* 21.2 + 0.4 24.7 + 3.0 Henry Transportation, Guilford
  • 21.9 + 1.8 25.9 + 2.4 Guilford Town Highway Garage, Guilford
  • 24.7 + 5.4 28.5 + 5.2 Evans Farm, Guilford 21.0 + 3.4 23.4 + 1.9 Putney Town Clerk, Putney 21.4 + 1.4 22.9 + 0.7 State Highway Garage, Wilmington
  • 26.4 + 6.3 25.5 + 2.8 State Police, West Brattleboro
  • 21.1 + 2.3 21.2 + 1.4 Windham County Courthouse, Brattleboro 20.6 + 3.2 20.7 + 2.7 VDORH A 21.5 + 1.2 21.3+0.2 Smead Lumber, Vernon . 24.1 + 2.5 *No Sample**

Pond Rd. & Rte. 142 N, Vernon 22.4 +3 .7 24.8 + 0.5 Engle Dr., West Rd., Vernon 21.1 + 3.2 22.3 + 0.6 Fairman Rd., Vernon : 24.1 + 1.3 24.8 + 3.3 Pond Rd. & Houghton Hill Rd., Vernon .21.1 + 0.2 29.6 + 4.4 Rte. 5, Transmission Line, Guilford 25.0 + 1.3 24.7 + 3.0 Rte. 5, Andrews Cemetery, Guilford 26.5 + 3.4 24.7 + 1.8 Rte. 5. & Tkaczyk Farm Rd., Guilford 23.5 + 0.7 22.4 + 2.8 Tyler Hill Rd., Vernon 7 23.1 + 2.8 -25.0 + 0.2 Rte. 142 N of Transmission Line, Vernon . 30.1 + 5.2 26.4 + 1.0 Rte. 5 to Guilford Ctr. Rd., Guilford 26.1 +. 1.3 21.3 + 2.1 Guilford Ctr Rd. & Tater Rd., Guilford 22.8 + 2.7. 25.1 + 3.6 Weatherhead Hollow & Stony Hill Rds, Gfd 20.7 + 3.1 21.9+1.7

  • Collocated with Air Sampling Station

THERMOLUMINESCENT DOSIMETRY (TLD) DATA 2001 (milliRoentgens =: 2 Sigma)

~j~rdQtr.:-K - 4th Qtr.;-

Huckle Hill Rd. N of VT/MA Border, 25.3 +3.5 31.7 + 0.5 Vernon Rte. 5, Dummerston School, Dummerston 23.0 + 1.0 24.2 + 0.2 Pond Rd., Vernon Rec. Area, Vernon 22.0 + 3.2 19.1 + 2.1 Rte. 142, Vernon Fire Dept., Vernon 21.5 + 0.2 22.0 + 3.5 Rte. 142 S & Pond Rd., Vernon.' 23.2 + 0.4 21.1 + 1.5 Rte. 142 & Newton Rd., Vernon 19.6 + 2.1 19.4 + 2.6 Rte. 142 & Depot St., VT/MA Line, Vernon 23.7 + 0.3 21.6 + 2.5 Gov. Hunt Rd. at Vernon Elem. School 24.2 + 0.5 27.0 + 0.3

(*Collocated with Air Sampling Station

    • Sample missing from cage.

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) TRITIUM IN WATER 2001 VERMONT YANKEE (CONNECTICUT RIVER)

Results in nanoCuries/liter Aspart of the water sampling effort, an aliquot of the monthly grab samples is analyzed for Hydrogen -3.

Two locations are reported monthly for Hydrogen-3 content from the Connecticut River (upstream and downstream of the power station).

_____________ pwntreni~~ .-- Ustreaim  ::

January < 0.5 < 0.5 February < 0.5 < 0.5 March <0.5 < 0.5 April <0.5 - < 0.5 May <0.5 <0.5 June < 0.5 < 0.5 July < 0.5 < 0.5 August < 0.5 < 0.5 September < 0.5 < 0.5 October < 0.5 < 0.5 November < 0.5 < 0.5 December < 0.5 < 0.5

TRZTIUM I E 0

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. 4 WATER SAMPLES 2001 (picoCuries/Liter)

.~~Test..v~VV.

o~.. N~Pwi~~ YBrattleboro.

,z  ::: ScooWll. -Di$: Dscharge own January Alpha 5.3+1.0 3.2+1.8 < 2.5 < 2.4 Beta 6.1+1.6 8.5+1.7

  • 2.9+1:5 < 2.4 Gamma
  • ND ND ND February Alpha 6.7+1.2 1.4+1.0 < 1.4 <1.4 Beta 2.2+1.5 3.3+1.5 < 2.3 3.1+1.5 Gamma
  • ND ND ND March Alpha 5.3+1.0 < 2.6 <2.6 < 2.5 Beta 4.5+1.5 2.3+1.5 < 2.3 < 2.3 Gamma ND ND ND April Alpha 5.3 + 1.2 < 2.6 < 2.6 < 2.8 Beta 4.6 +2.4 < 3.7 < 3.7 < 3.7 Gamma
  • ND ND .ND May Alpha 5.8+1.3 < 2.8 <2.8 < 2.8 Beta 3.9+2.3 < 3.6 < 3.6 < 3.6 Gamma
  • ND ND ND June Alpha 6.4+1.2 2.0+1.1 < 1.5 3.1+1.8 Beta 4.5 +1.8 <2.5 < 2.5 <2.7 Gamma
  • ND ND ND July Alpha 6.5+1.3 < 2.9 <2.9 < 1.7 Beta 3.912.3 -<3.6 < 3.6 < 1.8 Gamma ND ND ND ND August Alpha 5.4+1.0 < 3.0 < 3.0 < 1.8 Beta .3.8+2.2 < 3.5 < 3.5 < 1.8 Gamma .ND ND ND ND September Alpha 5.9+1.3 < 2.7 < 2.6 < 1.4 Beta <3.6 < 3.6 < 3.6 < 1.8 Gamma
  • ND ND ND October Alpha .5.5+1.0 < 2.1 < 3.2 <1.0 Beta < 3.7 < 1.8 < 3.6 < 1.2 Gamma
  • ND ND ND November Alpha 5.3+1.0 < 2.6 < 2.7 < 1.4 Beta <3.6 < 3.6 < 3.6 < 1.8 Gamma
  • ND ND ND December Alpha 6.0+1.0 < 2.7. < 2.6 < 1.4 Beta 4.0+2.2 < 3.4 < 3.4 < 1.7 Gamma . ND ND ND
  • - Naturally Occurring Radionuclides ND = None Detected

WATER SAMPLES 2001 (picoCuries/Liter)

Po2 Monthstvý' Is-ad

-' Park ~ onn. .River:. Conn.' River 7:~~~~~~~%~~in

~c s ~ ~  %;~~ptem(-) Dwstream January Alpha < 1.5 < 1.5 6.0 + 1.6** < 1.5 Beta 2.8+ 1.5 < 2.4 7.5 + 1.6** < 2.4 Gamma ND ND ND ND February Alpha < 1.8 < 1.3 < 1.8 < 1.7 Beta < 2.4 < 2.3 < 2.4 < 2.4 Gamma ND ND ND ND March Alpha < 1.5 River Frozen < 1.5 < 1.5 Beta < 2.2 No Sample < 2;2 <.2.2 Gamma ND Taken ND ND April Alpha < 2.2 < 2.9 < 3.0 < 2.3 Beta <3.7 < 3.7 < 3.7 < 3.7 Gamma ND ND ND ND May Alpha < 2.2 <2.9 < 2.3 < 2.2 Beta < 3.6 < 3.6 < 3.6 < 3.6 Gamma .ND ND ND ND June Alpha < 1.8 < 1.5 2.1+1.2 < 1.8 Beta < 1.7 < 2.5 1.7+1.1 < 1.7

  • Gamma ND ND ND ND July Alpha *<2.7 < 2.9 < 2.8 < 3.0 Beta < 3.9 < 3.6 < 3.9 < 3.9 Gamma ND ND ND ND August Alpha <2.7 < 1.8 <.2.8 < 2.8 Beta .< 3.4 < 1.8 < 3.4 < 3.4
  • Gamma ND ND ND ND September Alpha* < 2.6 < 2.5 < 2.5 <2.5 Beta < 3.8 < 3.6 < 3.8 < 3.8 Gamma . ND ND ND ND October Alpha < 3.0 < 2.1 < 3.2 < 3.2 Beta' < 3.7 < 3.7 < 3.7. < 3.7 Gamma ND ND ND ND November Alpha < 2.7 < 2.7 <.2.6 < 2.8

'Beta <3.3 < 3.6 < 3.3 <3.3 Gamma ND ND ND ND December Alpha < 2.6. < 2.6 < 2.6 < 2.6 Beta < 3.4 .< 3.4 < 3.4 < 3.4.

-Gamma' ND ND ND ND

  • = Naturally Occurring Radionuclides
    • = Some sediment collected with river water sample ND = None Detected

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Health Physics, Radiological Health & Safety III.E. Annual Occupational Exposure Reports 2001 - 2005

Vermont Yankee Nuclear Power REG. GUIDE 1.16 MAN-REM .FINAL END OF THE YEAR REP DT.FOR 2001 C' STATION NUMBER OF PERSONNEL OVER 100 UTILITY

ý CONTRACT WORKERS STATION TOTAL MAN-REM UTILITY CONTRACT WORKERS C

EMPLOYEES EMPLOYEES AND OTHERS EMPLOYEES EMPLOYEES AND OTHERS REACTOR OPERATIONS & SURVEILLANCE MAINTENANCE 35 51 11. 276 0.040 20. 917 OPERATIONS 14 0 3.841 0.000 0.000 HEALTH PHYSICS 13 3 3.658 0.000 1.583 SUPERVISORY 0 0 0.024 0.000 0.000 ENGINEERING 0 0 0.258 0.000 0.004 OTHER 2 0 0.261 0.000 0.018 SECURITY 1 0 0.255 0.000 0.008 ROUTINE MAINTENANCE MAINTENANCE 30 231 8.456 0.148 70. 933 OPERATIONS 4 0 1.394 0.000 0.000 HEALTH PHYSICS 3 0 1.050 0.000 0.103 SUPERVISORY 0 0 0.063 0.000 0.000 ENGINEERING 0 0 0.060 0.000 0.014 OTHER 1 0 0.281 0.000 0.022 SECURITY 0 0 0.011 0.000 0.000 INSERVICE INSPECTION MAINTENANCE 0 20 0.118 0.000 7.204 OPERATIONS 0 0 0.002 0.000 0.000 HEALTH PHYSICS 0 0 0.046 0.000 0.07 5 SUPERVISORY 0 0 0.005 0.000 0.000 ENGINEERING 0 0 0.014 0.000 0.000 OTHER 0 0 0.033 0.000 0.017 SECURITY 0 0 0.000 0.000 0.000 SPECIAL MAINTENANCE MAINTENANCE 3 21 1.336 0.000 7.503 OPERATIONS 0 0 0.016 0.000 0.000 HEALTH PHYSICS 0 0 0.270 0.000 0.002 SUPERVISORY 0 0 0.000 0.000 0.000 ENGINEERING 0 0 0.000 0.000 0.000 OTHER 0 0 0.000 0.000 0.043 SECURITY 0 0 0.000 0.000 0.000 WASTE PROCESSING MAINTENANCE 0 0 0 0.000 0.000 0.096 OPERATIONS 0 0 0 0.000 0.000 0.000 HEALTH PHYSICS 0 0 0 0.012 0.000 0.017 SUPERVISORY 0 0 0 0.000 0.000 0.000 ENGINEERING 0 0 0 0.000 0.000 0.000 OTHER 0 0 0 0.000 0.000 0.000 SECURITY 0 0 0 0.000 0.000 0.000 REFUELING MAINTENANCE 0 0 0 0.239 0.014 0.650 OPERATIONS 0 0 0 0.062 0.000 0.000 HEALTH PHYSICS 0 0 0 0.012 0.000 0.000 SUPERVISORY 0 0 0 0.014 0.000 0.000 ENGINEERING 0 0 0 0.002 0.000 0.000 OTHER 0 0 0 0.019 0.000 0.005 SECURITY 0 0 0 0.000 0.000 0.000 Page 1

Vermont Yankee Nuclear Power REG. GUIDE 1.16 MAN-REM FINAL END OF THE YEAR REt*" FOR 2001 C

STATION NUMBER OF PERSONNEL OVER 10.0t.M UTILITY CONTRACT WORKERS STATION TOTAL MAN-REM UTILITY CONTRACT WORKERS C

EMPLOYEES EMPLOYEES AND OTHERS EMPLOYEES EMPLOYEES AND OTHERS TOTALS MAINTENANCE 68 1 323 21.426 0.203 107.303 OPERATIONS 18 0 0 5.314 0.000 0.000 HEALTH PHYSICS 16 0 3 5.047 0.000 1.780 SUPERVISORY 0 0 0 0.106 0.000 0.000 ENGINEERING 0 0 0 0.333 0.000 0.018 OTHER 3 0 0 0.595 0.000 0.105 SECURITY 1 0 0 0.266 0.000 0.008 GRAND TOTAL 106 1 326 33.087 0.203 109.215 Approved by .

Radiation Protection Manager Date Page 2

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