Alabama Water Quality Information System

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	511.-		What type of iron concentration would you expect to find in ground water from a shallow alluvial aquifer that has a pH of 6?


	512.-		What type of iron concentration would you expect to find in ground water from an aquifer zone that has a pH of 6 and is in equilibrium with ferrous disulfide (FeS2) or pyrite?


	513.-		What type of plastic plumbing should I run below ground from my well on my private property if there is potential risk of soil contamination from chlorinated organics?


	514.-		What type of problem does methyl tertiary butyl ether (MTBE) cause in drinking water?


	515.-		What type of water issues are of primary concern from petroleum spills?


	516.-		What types of plastic plumbing will allow petroleum-based chemicals and other organic solvents to permeate (pass through) them to contaminate water?


	517.-		What water hardness is acceptable for most domestic uses?


	518.-		When considering contaminants of untreated source water from public drinking water aquifers, how do naturally occurring contaminants compare to mand-made contaminants for being at levels that are a significant human health threat to U.S. consumers?


	519.-		When did large-scale production of perchlorate begin in the United States?


	520.-		When did the concern for widespread contamination of water sources from perchlorate originate?


	521.-		When did the major U.S. soft drink beverage companies like Pepsi and Coke get into the bottled water business?


	522.-		When did the new maximum contaminant level (MCL) of 10 ug/L of arsenic become mandatory for public drinking water supplies?


	523.-		When did the U.S. Congress mandate the testing of man-made chemicals for any hormonal properties?


	524.-		When hydrogen sulfide odor is present in water treated by a water softener or filter unit but not present in the non-treated well water, what does this mean?


	525.-		When were pharmaceuticals and personal care products (PPCPs) first reported as common water contaminants in the US?


	526.-		When were synthetic estrogens first reported in wastewater streams in the US?


	527.-		Where are the highest levels of arsenic expected to occur in fresh water sources?


	528.-		Where are the most likely destinations to get travelers' diarrhea from poor quality water?


	529.-		Where are the pharmaceuticals and personal care products (PPCPs) showing up in water sources, including drinking water, coming from?


	530.-		Where are USTs which store gasoline containing MTBE located?


	531.-		Where can I find more information about arsenic in drinking water?


	532.-		Where can I find more information about methyl tertiary butyl ether (MTBE) in drinking water?


	533.-		Where can one find information on E. coli O157:H7 in drinking water?


	534.-		Where can one find reliable information on petroleum-based hydrocarbons and organic solvents that have the ability to permeate plastic plumbing and contaminate drinking water?


	535.-		Where can one obtain more information on toxicity and potential health hazards of phthalates?


	536.-		Where can someone find more information on the risk of exposure to perchlorate?


	537.-		Where do microbes that cause cryptosporidiosis come from?


	538.-		Where do the tannins that show up in water come from and where are they most likely to be found in water supplies?


	539.-		Where do the terms grain and grains per gallon come from in reference to measuring water hardness?


	540.-		Where do trichloroethylene (TCE) and tetrachloroethylene/perchloroethylene (PCE) contamination of ground water 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.