EPA Method 418.1 - Total Petroleum Hydrocarbons

D4-Salicylic acid, 100 µg/ml, Acetonitrile, 1ml

9-Phenylcarbazole, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 1150-62-5

Picloram methyl derivative