EPA Method 507 Analyte Mix #8

4-n-Octylbenzoic acid, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 3575-31-3

2,2,3,3,4,4,5,5-Octachlorobiphenyl

Bentazon, 1000µg/ml in Acetonitrile, 1ml