A preliminary study of temporal variable of 222Radon in rural community water supplies

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Project Investigator(s): 
EL Fisher, LJ Fuortes; Department of Preventive Medicine and Environmental Health, The University of Iowa

Seasonal and short-term temporal variations of radon suggest that one-time sampling of water supplies may not produce a representative sample of well water. Obtaining concentration levels of water supplies at or near the proposed U.S. EPA Maximum Contaminant Level is complicated by these variations. The aims of this research are to determine temporal variations in 222Radon in community water supplies looking specifically at water use, temperature, precipitation, and barometric pressure; determine the relationship between raw and finished water 222Radon concentrations over time in water supplies where 222Radon in finished water exceeds that in raw water; and propose a sampling scheme which will provide a representative 222Radon water concentration.



Fisher EL, Valentine RL, Kross B; Radium-Bearing Pipe Scale Deposits: Implications for National Waterborne Radon Sampling Methodologies. American Journal of Public Health. 1995; 85:567-570

Fisher EL, Valentine RL, Kross B; Occupational Exposure of Water Plant Operators to High Concentrations of radon-222 Gas. Journal of Occupational and Environmental Medicine. 1996; 38(8):759-764

Fisher EL; Temporal and Spatial Variation of Waterborne Point-of-Use radon-222 in Three Water Distribution Systems. Health Physics. 1998; 74(2):242-248