ML20151K442

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Forwards Compilation & Analysis of LWR Occupational Radiation Doses for 1982.Average person-rems Per Reactor Decreased for Second Yr in Row
ML20151K442
Person / Time
Site: Oyster Creek
Issue date: 10/24/1984
From: Congel F
Office of Nuclear Reactor Regulation
To: Muller D
Office of Nuclear Reactor Regulation
Shared Package
ML20151G994 List:
References
NUDOCS 8411060370
Download: ML20151K442 (8)
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Text

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o g UNITED STATES y g NUCLEAR REGULATORY COMMISSION g

-l WASHINGTON, D. C. 20555

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OCT 2 4 1984 P.EMORAfiDP FOR: Daniel R. Muller, Assistant Director s

for Radiation Protection, DSI F R n' .: Frank J. Concel, Chief Radiological Assessment Branch, OSI 5"JECT: LH9 OCCUPATIONAL 00SF. DATA FnR 1982 i

Attached is a ennpilation and analysis of occupational radiation doses re-ported from 74 light water cooled nuclear reactors (LyRs) for the year 1902.

The information in this memorandun was derived from reports submitted to the Comnission in accordance with 10 CF9 Part 20.407. Four pressu'rized water re-actor units, Farley 2, "cGuire 1, Salen 2 and Sequoyah 1, conpleted their first full year of connercial operation in 19V and are included in this year's sunnary for the first time (indicated in Table 1 ty an (N)). In addition, this

  1. sunvry includes four units (Oresden 1, Humboldt Bay, Indian Point 1, and Three l'ile Island 2) that are currently shutdoien for an indefinite period of tine. These units have been retained in this sunnary since they are still licensed and dose is still accumulated to maintain then.

The total collective dose reported for 1932 was 52,190 person-rens, a de-crease of 3.6 percent frm the 1981 figure of 54.142 person-rens. This total gives an average of 705 person-rems per-unit, which is nearly eight percent lower than the 773 person-rems per unit reported for 1491. This is also the second year in a rov in which the average person-rens per reactor has shown a decrease fran the 1980 high of 791 person-rens per unit.

In 1932 the average dose for PWR units was 578 person-rens, an 11.3 percent

! decrease f ron the 1491 average of 662 person-rems. The nunber of P"Rs in this year's compilation increased fron 44 to 43. The 1982 average boiling water reactor (BU9) dose of 940 person-rems per unit is a 4 percent decrease f rm L the 1931 average of 980 person-rems.

The number of RURs remained the same in 1902 at 26. The attached exposure compilation table (Table 1) pre-sents a breakdosn of the person-rens received at each of the LURs which had conpleted at least one full year of connercial operation by the end of 1982.

The exposure figures listed in Table 1 were derived fron data subnitted by the licensees in response to the requirenents of 10 CFR Part 20.407 and plant

.; technical specifications (the plant technical specifications require that only personnel receiving greater than 100 nrem be listed--these data are shown ir parentheses in Table 1). The figures quoted above and used in the attach-ed figures are from the 10 CFR Part 20.407 data.

( Figa 1559% the total average yearly person-rem figures for BWRs, PWRs, and LWRs for the years 19h9-1482. For the ninth consecutive year, the average exposure for BWRs has remainta nigher than the average yearly PilR 0

h<3795M8f L

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e D. tuller OCT 3 41934 exposure.

Figure 2 snmes the total nunber of operating reactors and the total collective L"R dose per year plotted for the years 19f.0-1002. Figures 3, 4a, and ab provide a graphic comparision of the annual occupational exposures per. unit, for each plant, for the three year period f rom 1000 through 1992.

This infornation was compiled by C. Hinson, PDS/RA9 ch Frank J. congel, C Dadiological Assessnent 8, ranch nivision of Syste1s Integration Enclosure As Steted a

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I MbLb 1 1982. EXPOSURE DATA .

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Orvthi Rcoer X P 5- 177 [14 A) Robinso.,1T P 11 l426[13 Davis- 6 esse I P 5 164 ( 26,3) Salem T X .'

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