EPA Method 502/524 Volatile Standard

3-Methoxy-2',5'-dichlorobiphenyl, 100µg/ml in IO, 1ml

2-(4-Chlorophenyl)-1H-benzimidazole, neat, Solvent-neat, Unit 10MG, # of units-15, Cas.no. 1019-85-8

EPA Method 548.1 Internal Standard