Enforcing insecticide-content water quality standards.
D003634:DDT / Q000032:analysis; D004782:Environmental Health; D006846:Hydrocarbons, Halogenated / Q000592:standards*; D007306:Insecticides / Q000592:standards*; D014481:United States; D014867:Water / Q000032:analysis; D014876:Water Pollution / Q000517:prevention & control*; D014881:Water Supply
D006846:Hydrocarbons, Halogenated; D007306:Insecticides; D014867:Water; D003634:DDT