EPA Method 8240A Internal Standard

Diazepam-d5, neat, Solvent-neat, Unit 50mg, # of units-1, Cas.no. 65854-76-4

o-Anisidine, 100 µg/ml, Acetonitrile, 1ml

S-Metolachlor Metabolite CGA 50720, 100 µg/ml, Ac