Prometryn, 10.0 µg/ml, Acetonitrile, 10ml

PCB No. 180, 100µg/ml in Isooctane, 1ml

tert-Butyl ethyl ether, 200 µg/ml, Methanol, 1ml

Atrazine desethyl, 100µg/mL in MeOH, 1ml