EPA Method 551.1 Internal Standard

2,3,5,6-Tetrachloroanisole, neat, Solvent-neat, Unit 25mg, # of units-1, Cas.no.

D12-Benzo[a]pyrene, 100 µg/ml, Acetonitrile, 1ml

Teflubenzuron, 10 µg/ml, Cyclohexane, 10ml