EPA Method 525.2 Standard

gamma-HCH, 100 µg/ml, Cyclohexane, 5ml

1-Heptanethiol, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 1639-09-4

n-Triacontane-d62, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no. 93952-07-9