EPA Method 507 Pesticides

2,4'-Dichlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 34883-43-7

Norcodeine hydrochloride, neat, Solvent-neat, Unit 25mg, # of units-1, Cas.no. 14648-14-7

D6-Metolachlor, 100µg/ml in Acetonitrile, 1ml