EPA Method 525.2 Standard

17ß(H),21ß(H)-(22RS)-Bishomohopane , neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 54311-28-5

1-Naphthalene pentanoic acid, decahydro, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 64766-86-5

EPA 525.2 Phenols