Atrazine-desethyl, 100 µg/ml, Acetonitrile, 5ml

4-n-Nonylphenol pentaethoxylate

Perfluorotetradecanoic acid, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 376-06-7

Metazachlor, 100μg/ml in Acetonitrile, 5ml