Organizations: Environmental Analytical Chemistry Variables: concentration Keywords: toxicity stream Substances: Bifenthrin (OXCDWLBJSLVWHB-LKRLXIKPSA-N) Deltamethrin (OWZREIFADZCYQD-NSHGMRRFSA-N) Empenthrin (YUGWDVYLFSETPE-JLHYYAGUSA-N) Chlorpyrifos-methyl (HRBKVYFZANMGRE-UHFFFAOYSA-N)