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Paducah Site Additional data is provided in Appendix C. Direct Radiation locations were consistently above background levels (BJC 2000b). These locations were all at or near the POOP security fence in the vicinity of VF6 cylinder storage yards (Figures 5.4 and 5.5). A primary pathway of concern for DOE's operations at ,the Paducah Site is direct external radiation exposure. External radiation exposure is defmedas exposure attributed . to radioactive sources outside the body (e.g., cosmic gamma radiation)~ . Sources' of external radiation exposure from the Paduclih Site include cylinder storage yards, the cascade system, and small sources such as instrument check locations. Cylinder storage yards have the largest potential fora dose to the public. because of their proximity .to the' POOP security fence. The Paducah Site Environmental Monitoring Plan (BJC 1998) establishes DOE's program for monitoring extermd gamma radiation at areas accessible to members of the public. The external radiatiQn ~xposure monitoring prograni has the foliowing three objectives: Annual dose rates for the background locations and .the three locations above background were calculated. The mean annual background exposure was determined to .be 99 rnrem. For each location, the mean background exposure was subtracted from the annualized total exposure to obtain a net annual exposure. The net animal exposure represents the total exposure at that location, for the entire calendar year 1999, attributed to the Paducah Site (Table 5.8). All exposure measured at these locations is assumed to result from DOE operations, Dose from direct radiation exposure is discussed in Section 6. Additional data is provided in Appendix C. • to establish the. potential radiation dose received by a member of the public from direct· exposure to DOE operations at the boundary ot the DOE perimeter fence, -. . to;. establish the potential dose a member of the public .may receive visitin~ or passing .. through accessible portions of the DOE reservatiOli, and . .: I· I • .' to calculate the radiation dose equivalent to the maximally exposed individual member of the public. , In 1999, monitoring consisted of quarterly placement, collection, and analysis' of <strong>environmental</strong> thermolumiIiescent dosimeters (TLDs). Monitoring results indicate that four 5·8 Radiological Environmental Surveillance
Annual Site Environmental Report for 1999 Figure 5.4 TLD locations in the vicinity of PGDP. Table 5.8 Net Annual Exposure from Direct Radiation Attributed to the Paducah Site for 1999 (mrem) Location TLD·l TLD·2 TLD·3 TLD·25 total annual exposure 424 732 757 III background 99 99 99 99 net annual exposure 325 633 658 12 Radiological Environmental Surveillance 5-9
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Units of Radiation Measure Current
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Paducah; Site Contents Figures ....
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Paducah Site Figures Figure Page 1.
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Paducah Site Table Page 9.5 Summary
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Paducah· Site DNAPL DNFSB DOE DOJ
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Paducah Site mgd mg/d mg/L Min ml m
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Paducah Site TSCA TUa TUc Toxic Sub
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Paducah Site xiv
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Paducah Site environment, and the P
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Paducah Site I' Figure 1.2 The Padu
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Paducah Site Upland mixed hardwoods
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Paducah Site 1-8 Site Operation and
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Paducah Site Table 2.1 Environmenta
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Page 34 and 35: Paducah Site i- 2-10 DOE activities
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Page 38 and 39: Paducah Site Paducah Site did not r
Page 40 and 41: Paducah Site maintain records of sy
Page 42 and 43: Paducah Site 2-18 Environmental Com
Page 44 and 45: Paducah Site operations and waste m
Page 46 and 47: Paducah Site Northwest Plume Ground
Page 48 and 49: Paducah Site L-____ S_it_e_p_r~i~o-
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Page 52 and 53: Paducah Site The WAG 8 SE consisted
Page 54 and 55: Paducah Site soils immediately adja
Page 56 and 57: Paducah Site decontamination and de
Page 58 and 59: Paducah Site • recycling . The PP
Page 60 and 61: Paducah Site Programmatic Environme
Page 62 and 63: Paducah Site recommendations to DOE
Page 64 and 65: Paducah Site air stripper and the q
Page 66 and 67: Paducah Site Surface runoff from th
Page 68 and 69: Paducah Site the DCG. The average c
Page 70 and 71: Paducah Site 4-8 Radiological Efflu
Page 72 and 73: Paducah Site activities. This infon
Page 74 and 75: Paducah Site Sediment Sediment is a
Page 76 and 77: Paducah Site discharges, whereas SS
Page 80 and 81: Paducah Site Figure 5.5 Uranium hex
Page 82 and 83: Paducah Site ; ,- materials release
Page 84 and 85: Paducah Site measured in Bayou and
Page 86 and 87: Paducah Site The 50-year CEDE (inte
Page 88 and 89: Paducah Site 6-8 Dose
Page 90 and 91: Paducah Site i· I Airborne Effluen
Page 92 and 93: Paducah Site 7-4 Nonradiologlcal Ef
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Page 96 and 97: Paducah Site increase in one Little
Page 98 and 99: Paducah Site ORNL 95-7164C1abh I[ i
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Annual Site Environmental Report fo
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.;- Annual Site Environmental Repor
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Surface Water Radiological Data Ann
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Deer Radiological Data Annual Site
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Direct Gamma Radiation (TLD) Data A
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KPDES Outfal/s Non-Radiological Dat
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KPDES Outfal/s Non-Radiological Dat
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Surface Water Non-Radiological Data
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Deer Non-Radiological Data Annual S
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DOE Special Investigations Data Ann
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DOJ Special Investigations Data Ann
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Conversions Multiply by to obtain M
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