EPA Method 8032 Internal Standard

Arochlor 1221 , 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-10, Cas.no. 11104-28-2

D6-Sulfadimethoxine, 100 µg/ml, Acetonitrile, 1m

Native Chlorinated Methoxybiphenyl Solution/Mixture, 1.2ml, nonane