Substances: Deltamethrin (OWZREIFADZCYQD-NSHGMRRFSA-N) Chlorpyrifos-methyl (HRBKVYFZANMGRE-UHFFFAOYSA-N) Empenthrin (YUGWDVYLFSETPE-JLHYYAGUSA-N) Cyfluthrin (OFHFONYRMVKULH-WNYJFNBPSA-N) Keywords: pyrethroids stream