| http://www.w3.org/ns/prov#value | - er water from fertilizer runoff, leaching from septic tanks, and erosion of natural deposits.1.95 ppm2.5 ppmNo10 ppmNo10 ppmMethyl 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. 1.96 ppb1.96 ppbNo400
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