2,3',4-Trichlorobiphenyl, 5mg

Metolachlor, 10.0 µg/ml, Acetonitrile, 10ml

Method 8121 - Surrogate Standard

Sodium 1H,1H,2H,2H-perfluorooctane sulfonate (6:2), 50µg/ml in MeOH, 1,2ml