Atrazine-2-hydroxy, 100mg

Metazachlor ESA sodium salt-d6, 100µg/ml in MeOH, 1ml

Benzo[b]fluoranthene-d12, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 93951-98-5

Parathion-methyl, 100 µg/ml, Ethyl acetate, 5ml