| http://www.w3.org/ns/prov#value | - coal-burning power plants, and irrigation of arid farmland soils high in selenium.1.79 ppb6.02 ppbNo50 ppbNo50 ppbMethyl ethyl ketoneMethyl ethyl ketone is a synthetic chemical used as a solvent for paints, coatings, adhesives, printing inks, and other industrial and consumer goods; it occurs naturally in some vegetation and forms during ozonation of drinking water. 0.61 ppb2.59 ppbNo4000 ppbLega
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