Pyracarbolid, 10 µg/ml, Ethyl acetate, 10ml

4-n-Hexylbiphenyl, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 59662-31-6

Campesterol, 100µg/mL, Solvent-hexane, Unit 1mL, # of units-1, Cas.no. 474-62-4

EPA Method 525 - Perchlorinates