EPA Method 525 - PCB Standard

Propoxur, 100 µg/ml, Acetonitrile, 5ml

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

2,4-Di-tert-pentylphenol, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 120-95-6