Benzo[a]pyrene-d12,400µg/mL,cyclohexane,1mL,

Phorate-oxon-sulfone, 100µg/mL in Cyclohexane, 1ml

5-Methyl-2,2',4,5'-tetrachlorodiphenylmethane, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no.

Surrogate Standard