Benzo[a]pyrene, 10.0 µg/ml, Acetonitrile, 10ml

N-Nitropiperazine-2,2,3,3,5,5,6,6-d8, 1000µg/mL, Solvent-methanol, Unit 1.1mL, # of units-1, Cas.no.

n-Tetracontane, ?13C: -27.05, 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 4181-95-7

Endosulfan Sulfate, 1.2mL x 100ug/mL, nonane