N-Nitroso-N-methylaniline, 100μg/ml in MeOH, 5ml

Fenitrothion-oxon, 100 µg/ml, Ethyl acetate, 1ml

Metazachlor-oxalamic acid (OA), 10mg

2,3',4'-Trichlorobiphenyl (= 2',3,4-),100 µg/mL,isooctane,1mL,