EPA Method 8270C Mix #27

Benzo[e]pyrene-d12, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 205440-82-0

Chlorpyrifos-methyl, 100 µg/ml, Ethyl acetate, 5

Phorate, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 298-02-2