Field studies on the use of coated porous polyurethane plugs as indwelling monitors of organochlorine pesticides and polychlorinated biphenyl contents of streams.
D002849:Chromatography, Gas; D003634:DDT / Q000302:isolation & purification; D003633:Dichlorodiphenyl Dichloroethylene / Q000302:isolation & purification; D003632:Dichlorodiphenyldichloroethane / Q000302:isolation & purification; D004026:Dieldrin / Q000302:isolation & purification; D007306:Insecticides / Q000302:isolation & purification*; D008722:Methods; D011078:Polychlorinated Biphenyls / Q000302:isolation & purification*; D011140:Polyurethanes; D014877:Water Pollution, Chemical
D007306:Insecticides; D011140:Polyurethanes; D003633:Dichlorodiphenyl Dichloroethylene; D003634:DDT; D011078:Polychlorinated Biphenyls; D004026:Dieldrin; D003632:Dichlorodiphenyldichloroethane