ML19212A632
| ML19212A632 | |
| Person / Time | |
|---|---|
| Site: | Crane  |
| Issue date: | 06/12/1972 |
| From: | Kastner J US ATOMIC ENERGY COMMISSION (AEC) |
| To: | Dicker G US ATOMIC ENERGY COMMISSION (AEC) |
| References | |
| NUDOCS 7911130456 | |
| Download: ML19212A632 (5) | |
Text
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Juh 12 W2 MVZR0iy Docket Nos. 50-289 and 50-320 G. K. Dicker, Chief, Projects Branch f2, L REVIEW OF THREE-MILE ISLAND DRAFT DETAILID STATEMENT RAB has Mviewed the Draft Detailed Statement for the Three-Mile Island Nuclear Station. Units 1 and 2.
We have made the minor changes indicated on the attached copy of Section D., Radiological Imoact of Routine Operation.
Original signed by Jacob Kastner Jacob Kastner, Chief Radiological Assessment Branch L
Enclosure:
As stated cc:
W. H. Regan, EP #2 w/ enc 1.
DISTRIBUTION Docket File (2) I 3
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Form AEC-St. (Rev. 9-53) AECM 0240
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conditions.
will be a small fraction of the limits set forth in 10 CFR PartThe q in accordanc with 10 CFR Part 50.36a. Commission's Regulations, an 20 of the e
releases from all systems connected with both Units 1 and 2.These regulations a made calculations of the radiation dose using the estimated release rates of The Staff has radionuclides listed in Tables 4,, 5 and 6 using stated assumptions relative to dilution, biological reconcentration in food chains, and use factors by peo 2.
Radioactive Materials Released to the Atmosphere k
radionuclides in the gaseous effluents from the plant.The most from the The radioactive materials roleased to the atmosphere are principally the fission-product noble gases, krypton and xenon.
working or using recreational facilities in the vicinity of the plant w The postulated gaseous effluents from the plant are lis We have calculated the potential annual doses using averages for meteorolo i conditions and assuming releases of the listed isotopes at a constant rate g cal rate due to cloud immersion atDuring normal operation of the plant at full poweg
,y the plant's exclusion bo'undary[Olf0, f t.
3 ESE) gMV,y f
where the X/Q = 9.1 x 10-6 sec/m, is calculated to be about W m?cm/yr while the dose at The annual dose (outside) at the nearest homethe nearest c mrem /yr.
4.8,x 10-6 3
(2340 ft. E, X/Q =
sec/m ) is estimated to be hd dr$m/yr.
U 2=6"sfem/yr will be received pc another home located 2460 f t.However, a higher dose of
/
higher'X/Q of 7.4 x 10-6 annually, the total body [ dose to campers at Ecach Island (
ESE, where a calculated.
Assuming an occupancy of 3 months Shelly's Island mrem /yr and E2.p0,00 f t. W), both normally uninhabited, would be about R:'. o 0.0.
SW) and mkdm/yr, respectively.
per year occupancy, at The dose also based upon three months Three Mile Island will rangathe proposed recreational area at the southern end of rom about d'$iEIm/yr at a point near York Haven Ijan (3500 f t.
S) toabSTt10F mrem /yr at the southern tip of the Island (8500 f t. S).
per year just outside the exclusion l{ne atA fisherman, pleasure boa Island would receive less than 65 Nrem/yr due to gaseous effluentsthe nearest p doses, of course, would be received by a fisherman, swimmer, or boater who Higher inadvertently violated the plant exclusion circle.
For example, at a shore on Three Mile Island nearest the plant (ins
/ whor' e the X/Q is as high as 1.4 x 10j)Ta',',ide the exclusion circle 830 f t.SW, hours per year would receive less than Pmfem/yr from gaseous effluentsfisher Based on an annual release rate of 0.11 Ci/yr of iodine-131, thyroid dose due to inhalation would be less.than 0.5 mrem /yr at thethe line (2200 ft. ESE), less than 0.4 mrem /yr at the nearest exclusion at the nearest town (Goldsboro) and 0.3 mrem /yr at home 0.07 mrem /yr the proposed recreation area (3500 f c. S).
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