Variables: concentration Substances: diuron (XMTQQYYKAHVGBJ-UHFFFAOYSA-N) terbutryn (IROINLKCQGIITA-UHFFFAOYSA-N) diazinon (FHIVAFMUCKRCQO-UHFFFAOYSA-N) diclofenac (DCOPUUMXTXDBNB-UHFFFAOYSA-N) Keywords: pharmaceutical sewer overflows monitoring pesticide