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Title: Measurement and apportionment of radon source terms for modeling indoor environments

Measurement and apportionment of radon source terms for modeling indoor environments During the present 2 1/2 year contract period, we have made significant Progress in modeling the source apportionment of indoor [sup 222]Rn and in [sup 222]Rn decay product dosimetry. Two additional areas were worked on which we believe are useful for the DOE Radon research Program. One involved an analysis of the research house data, grouping the hourly house [sup 222]Rn measurements into 2 day, 7 day and 90 day intervals to simulate the response of passive monitors. Another area requiring some attention resulted in a publication of 3 years of our indoor/outdoor measurements in a high-rise apartment. Little interest has been evinced in apartment measurements yet 20% of the US population lives in multiple-family dwellings, not in contact with the ground. These data together with a summary of all other published data on apartments showed that apartments have only about 50% greater [sup 222]Rn concentration than the measured outdoor [sup 222]Rn. Apartment dwellers generally represent a low risk group regarding [sup 222]Rn exposure. The following sections describe the main projects in some detail.
Authors:
Publication Date:
OSTI Identifier:OSTI ID: 6529453
Report Number(s):DOE/ER/60547-5
ON: DE93013976
DOE Contract Number:FG02-87ER60547
Resource Type:Technical Report
Research Org:New York Univ. Medical Center, NY (United States). Dept. of Environmental Medicine
Sponsoring Org:DOE; USDOE, Washington, DC (United States)
Country of Publication:United States
Language:English
Subject: 32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION; 61 RADIATION PROTECTION AND DOSIMETRY; 54 ENVIRONMENTAL SCIENCES; HOUSES; INDOOR AIR POLLUTION; RADON 222; DOSE RATES; RADIATION HAZARDS; APARTMENT BUILDINGS; DAUGHTER PRODUCTS; DOSIMETRY; NEOPLASMS; PROGRESS REPORT; RADIATION MONITORING; RISK ASSESSMENT; AIR POLLUTION; ALPHA DECAY RADIOISOTOPES; BUILDINGS; DAYS LIVING RADIOISOTOPES; DISEASES; DOCUMENT TYPES; EVEN-EVEN NUCLEI; HAZARDS; HEALTH HAZARDS; HEAVY NUCLEI; ISOTOPES; MONITORING; NUCLEI; POLLUTION; RADIOISOTOPES; RADON ISOTOPES; RESIDENTIAL BUILDINGS 320107* -- Energy Conservation, Consumption, & Utilization-- Building Systems-- (1987-); 560101 -- Biomedical Sciences, Applied Studies-- Radiation Effects-- Dosimetry & Monitoring-- (1992-); 540130 -- Environment, Atmospheric-- Radioactive Materials Monitoring & Transport-- (1990-)