Organizations: Environmental Analytical Chemistry Substances: Acrinathrin (YLFSVIMMRPNPFK-WEQBUNFVSA-N) Cyfluthrin (OFHFONYRMVKULH-WNYJFNBPSA-N) Bifenthrin (OXCDWLBJSLVWHB-LKRLXIKPSA-N) Systems: stream Keywords: pyrethroids stream Insecticides