Why is radon a problem in Utah Radon is natural radioactive noble gas that can be found in soil water outdoor and indoor air. Exposure to radon accounts for more than 50% of the annual effective dose of natural radioactivity. Radon is an established human lung carcinogen based on human epidemiological data supported by experimental evidence of mutagenesis studies in cell culture and laboratory animals. Extrapolation from cohort studies on miners suggested that radon is the second leading cause of lung cancer death after tobacco smoke. Radon is a radioactive gas of geologic origin that is found in many buildings in sufficient concentrations to represent a health hazard to building occupants. High concentrations of radon may exist where favorable geologic conditions are present but non-geologic factors also affect indoor-radon levels. Non-geologic factors are difficult to quantify but geologic conditions can be evaluated to determine the distribution and characteristics of radon-hazard areas where elevated indoor-radon levels are more likely to occur. Geologic factors were used to identify potential radon-hazard areas in Utah by mapping (1) possible point sources for radon including known uranium occurrences and (2) generalized sources including uranium-enriched rocks found at the surface or beneath well-drained porous and permeable soils and soils derived from uranium-enriched rocks. Potential radon-hazard areas in Utah are widespread and are generally underlain by silicic igneous rocks and low-grade metasedimentary deposits. Bottom line is that according to Utah data over 30% of the homes in Utah are elevated over the 4.0 picocuries it is now believed that homes with elevated level of radon is closer to 50%. Data on the state web site www.radon.utah.gov includes post remediation number in the zip code results which dilutes the actual homes over 4 picocuries New studies indicate exposure of 4 picocuries of radon is equal to smoking 8 cigarettes a day. Please call our office to schedule one of our sale representative to speak with you at 801.510.8705
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