Variables: concentration Keywords: monitoring accumulation pesticide Substances: carbendazim (TWFZGCMQGLPBSX-UHFFFAOYSA-N) MCPA (WHKUVVPPKQRRBV-UHFFFAOYSA-N) mecoprop (WNTGYJSOUMFZEP-UHFFFAOYSA-N) terbutryn (IROINLKCQGIITA-UHFFFAOYSA-N)