RUNOFF-RELATED PESTICIDE INPUT INTO THE LOURENS RIVER, SOUTH AFRICA : BASIC DATA FOR EXPOSURE ASSESSMENT AND RISK MITIGATION AT THE CATCHMENT SCALE

Effects of rainfall on runoff-related pesticides on the contamination of the Lourens River and its tributaries. Increase concentration of endosulfan, deltamethrin, azinphos-methyl, chlorpyrifos, and procymidone (in water and sediment) sprayed previously on orchards - Identification of "hotspots".