Benzo(e)pyrene, 100 µg/mL in Acetonitrile, 1ml

L-(+)-Ergothioneine-d9, 1mg

Alachlor (ring 13C6), 100ug/ml in n-Nonane, 1,2ml

Chloridazon, 10.0 µg/ml, Acetonitrile, 10ml