Spills. Clean the spill Absorbent materials (kitty litter,sawdust,floor sweeping compounds)to soak up pesticide Shovel into leak proof container Do not flush the area with water until you talked to trained personnel to avoid the risk of a chemical reaction and possible groundwater contaminationSpills. Clean the spill Absorbent materials (kitty litter, sawdust, floor sweeping compounds) to soak up pesticide Shovel into leak proof container Do not flush the area with water until you talked to trained personnel to avoid the risk of a chemical reaction and possible groundwater contamination