EPA Method 524 & 624 - Internal Standard

Permethrin, 100 µg/ml, Acetonitrile, 5ml

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

EPA Method 8040A Analytes Mix “A”