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