EPA Method 508.1 & 525.2 Pesticide Standard

(20S)-13(17)-Diacholestene, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no.

EPA Method 8315 Calibration Mix #2

alpha alpha alpha (20R 24R)-24-Methylcholestane and alpha alpha alpha (24R 24R)-24-Ethylcholestane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 50897-35-3/62446-14-4