6-Methylchrysene, 100 µg/ml, Acetonitrile, 1ml

Nifursol, 100mg

Leptophos, 100 µg/ml, Ethyl acetate, 5ml

Isopropylphenyl phosphate (monoisopropylmonophenyl phosphate),100 µg/mL,isooctane,1mL,