EPA Method 533 Native Primary Std (br/l mix), 500ng/ml in MeOH, 1,2ml

Lanostane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 474-20-4

2-Methyl-2-butanethiol, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 1679-09-0

n-Tetracontane, ?13C: -27.05, 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-5, Cas.no. 4181-95-7