Effect of urban and agricultural pesticide use on residue levels in the Red Cedar River.
D002849:Chromatography, Gas; D003634:DDT / Q000032:analysis; D003720:Densitometry; D006863:Hydrogen-Ion Concentration; D008824:Michigan; D010101:Oxygen Consumption; D010573:Pesticide Residues / Q000032:analysis*; D012621:Seasons; D012722:Sewage; D012987:Soil / Q000032:analysis; D013535:Suspensions; D014877:Water Pollution, Chemical / Q000032:analysis*
D010573:Pesticide Residues; D012722:Sewage; D012987:Soil; D013535:Suspensions; D003634:DDT