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U.S. Department of Energy
Office of Scientific and Technical Information

Silos 1 and 2 removal action bentonite effectiveness environmental monitoring study

Conference ·
OSTI ID:10105530
 [1]; ; ; ;  [2];  [3];  [4]
  1. Westinghouse Environmental Management Co. of Ohio, Cincinnati, OH (United States). Fernald Environmental Management Project
  2. Cincinnati Univ., OH (United States)
  3. Parsons (Ralph M.), Inc. (United States)
  4. Executive Resource Associates, Inc., Arlington, VA (United States)
One objective of environmental monitoring and analysis at the Fernald Environmental Management Project (FEMP) is to determine whether {sup 222}Rn emitted from the K-65 silos following the bentonite sealant application has been reduced to a level such that the contribution from the K-65 silos to offsite background is less than 0.015 pCi/l at the location of the maximally exposed individual at a non-FEMP location. Because the annual average offsite environmental radon background concentration is 0.5 {plus_minus} 0.1 pCi/l,0 this low level {sup 222}Rn concentration can be determined only by modeling as monitoring techniques are not sufficiently precise to reliably detect such a small change. The flux of radon (pCi/M{sup 2}/sec) which is emitted from the silo dome by mechanisms of diffusion and air exchange will be calculated from the measured concentration of radon (pCi/M{sup 3}) in the dome headspace and will be used as the source term for the Gaussian plume model.
Research Organization:
Westinghouse Environmental Management Co. of Ohio, Cincinnati, OH (United States). Fernald Environmental Management Project
Sponsoring Organization:
USDOE, Washington, DC (United States)
DOE Contract Number:
AC05-86OR21600
OSTI ID:
10105530
Report Number(s):
FEMP--2269; CONF-930130--4; ON: DE93003711
Country of Publication:
United States
Language:
English