WS Benzo(a)pyrene - Cal Check

Heptachlor-exo-epoxide, 100 µg/ml, Ethyl acetate,

Fumonisin B3, 50µg/mL, Solvent-acetonitrile/water (50/50), Unit 1mL, # of units-1, Cas.no. 136379-59-4

Dibenzo[e,ghi]perylene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 190-95-4