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Title: Iodine-131 releases from the Hanford Site, 1944--1947

Technical Report ·
DOI:https://doi.org/10.2172/6566883· OSTI ID:6566883

Releases of fission product iodine-131 are calculated for the 1944 through 1947 period from the Hanford Reservation. Releases to the atmosphere were from the ventilation stacks of T and B separation plants. A reconstruction of daily separation plant operations forms the basis of the releases. The reconstruction traces the iodine-131 content of each fuel discharge from the B, D, and F Reactors to the dissolving step in the separation plants. Statistical computer modeling techniques are used to estimate hourly release histories based on sampling mathematical distribution functions that express the uncertainties in the source data and timing. The reported daily, monthly, and yearly estimates are averages and uncertainty ranges are based on 100 independent Monte Carlo realizations'' of the hourly release histories.

Research Organization:
Pacific Northwest National Lab. (PNNL), Richland, WA (United States)
Sponsoring Organization:
DOHHS; Department of Health and Human Services, Washington, DC (United States)
DOE Contract Number:
AC06-76RL01830
OSTI ID:
6566883
Report Number(s):
PNWD-2033-HEDR-Vol.1; ON: DE93011909; CNN: 200-92-0503(CDC)/18620(BNW)
Country of Publication:
United States
Language:
English

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