Alabama Water Quality Information System

— Choose a Frequently Asked Question (FAQ) —


	1.-		Are all granulated activated carbon (GAC) filter units equally effective in removing radon from water?


	2.-		Can waste disposal be a concern in treating water to remove radionuclides or other contaminants?


	3.-		How do you convert radon in water to inhalation risk?


	4.-		How do you convert Uranium (U) mass to U activity in picoCuries so that radioactivity per liter (pCi/L) can be calculated for a water supply?


	5.-		How long will granulated activated carbon (GAC) filter units remain effective in removing radon from water?


	6.-		How many yearly deaths from lung and stomach cancers are related to radon in household drinking water in the United States?


	7.-		I read somewhere that all ground water contains radon. Is this true?


	8.-		If a granular activated carbon (GAC) filter unit is being used to remove radon from water is exposure to this unit a radiation health risk?


	9.-		Is there any risk for buried underground radioactive wastes leaching into drinking water supplies?


	10.-		My water supply is a deep well. The water from this source, which I thought would be safe to drink, appears to be leaving a white residue in my bathroom sink that produces a green glow in the dark. What is causing this glow and is the water safe to drink?


	11.-		Should I treat my water to remove radon at the tap?


	12.-		What are the health concerns for radon?


	13.-		What can be done to treat radionuclides in public well water?


	14.-		What is radium?


	15.-		What is subsurface planar vitrification (SPV) and how can it be used to contain buried radioactive waste to prevent ground water contamination?


	16.-		What is the health risk of radium in drinking water?


	17.-		What is the radioactive decay process for radon in air or water?


	18.-		What level of radon does the EPA consider to be acceptable in public drinking water?


	19.-		What level of radon gas is common in the atmosphere?


	20.-		Where can one find good scientific information on radium and its hazards?


	21.-		Where does radon come from?

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This website was developed by the ACES Water Quality Team, under the leadership of Dr. James E. Hairston. It is funded, in part, by USDA-CSREES water quality grant support under Section 406 of the Agricultural Research, Extension and Education Reform Act of 1998.