Variables: concentration Substances: Chlorpyrifos (SBPBAQFWLVIOKP-UHFFFAOYSA-N) Bifenthrin (OXCDWLBJSLVWHB-LKRLXIKPSA-N) Chlorpyrifos-methyl (HRBKVYFZANMGRE-UHFFFAOYSA-N) Keywords: pyrethroids stream pesticides