Bromoxynil-methyl ether, 10 µg/ml, Acetonitrile,

Isoproturon D6 (dimethyl D6), 1000µg/mL in Acetonitrile, 1ml

PAH Mix, 1000µg/ml in methylene chloride, 1ml

Propazine D6 (isopropyl D6), 100 ng/µl, 1.1ml