EPA Method 609 - Analytes

Crocetane, 1000µg/ml in Isooctane, 1ml

Hopane and Sterane Biomar Mix, 10µg/ml in IO, 1ml

trans-1,4-Dimethylcyclohexane, 1000µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 2207-04-7