Organizations: Environmental Analytical Chemistry Substances: Bifenthrin (OXCDWLBJSLVWHB-LKRLXIKPSA-N) Chlorpyrifos-methyl (HRBKVYFZANMGRE-UHFFFAOYSA-N) Cyfluthrin (OFHFONYRMVKULH-WNYJFNBPSA-N) Keywords: pyrethroids