ML17046A499
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Isotope Kr 85 Kr 85m, 87, 88 Xe 133 TABLE 11.3-1 (H~storical Informat~on)
ESTIMATED ANNUAL GASEOUS RELEASE BY ISOTOPE(!)
FROM GAS DECAY TANKS
{Per Unit)
Activity Release to Environment Curies/yr Xe 133m, 135, 135m 138 5450 Negligible 2000 Negligible Total 7450 NOTE:
(1)
Based on 1 percent defective fuel, 3423 MWt core, load follow and 45 days holdup.
1 of 1 SGS-UFSAR Revision 19 November 19, 2001 I
Isotope H-3 Kr-85 Kr-85m Kr-87 Kr-88 Xe-133 Xe-133m Xe-135 Xe-135m I-131 SGS-UFSAR TABLE 11.3-2 (Histori.ca:t Information}
ESTIMATED TOTAL RADIOACTIVE GASEOUS RELEASES
{TWO UNIT BASIS}
Estimated Annual Release (Curies) 248 11450 195 113 309 26850 240 633 10 0.23 1 of 1 Revision 19 November 19, 2001 I
Annual Isotope Release (Curies)
H-3 248 Kr-85 11450 Kr-85m 195 Kr-87 113 Kr-88 309 Xe-133 26850 Xe-133m 240 Xe-135 633 Xe-135m 10 I-131 0.23 Totals 401000 NOTES:
(1) gamma energy (2) beta energy SGS-UFSAR TABLE 11.3-3 (Historical Information)
ESTIMATED OFF-SITE RADIATION EXPOSURES GASEOUS RADIOACTIVE RELEASES (Two Unit Basis}
Radiation ExEosure (mrem) at 1270 Meters, North Sector Finite Cloud*
Semi-Infinite Cloud(1)
Infinite Cloud(2)
Whole BodY: Dose Whole BodY: Dose Skin Dose
{rnrem)
(mrern)
(mrem) 0 0
0.0007 0.0033 0.012 1.12 0.0039 0.008 0.023 0.0059 0.046 0.073 0.058 0.15 0.053 0.227 0.55
- 1. 94 0.0062 0.0016 0.023 0.017 0.042 0.087 0.0003 0.0011 0.0004 negl negl negl 0.269 0.81 3.32 1 of 1 Revision 19 November 19, 2001 I
TABLE 11.3-4 (Historica1 Information)
POTENTIAL RADIATION EXPOSURE PATHWAYS TO MAN {GASEOUS}
Pathway External Exposure Ingestion of Milk SGS-UFSAR Individual Assumed Exposed Individual stands at nearest site boundary 100 percent of time Young child drinks entire intake of milk from nearby dairy farms.
Cows assumed to graze 9 months per year with grass making up to 100 percent of diet during that time.
1 of 1 Calculated Exposure 0.054 rnrem/yr
{whole body-finite cloud) 0.16 rnrem/yr (whole body-semi - infinite cloud}
0.66 rnrem/yr (skin - infinite cloud, beta energy only}
0.26 rnrem/yr (farm 4.1 miles NW of site)
Revision 19 November 19, 2001 I