EPA Method 8270C Pesticide Mix #25

Carbophenothion, 100 µg/ml, Acetonitrile, 5ml

O-Desmethylvenlafaxine, 100µg/ml in AL, 1ml

d4 C29 alpha alpha alpha (20R)-Ethylcholestane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-10, Cas.no.