D12-Benzo[a]pyrene, 10.0 µg/ml, Cyclohexane, 10m

1-Methylcoronene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 13119-86-3

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

PCB No. 167, 10µg/ml in Isooctane, 10ml