EPA Method 507 Analyte Mix #8

3,3',5,5'-Tetramethylbiphenyl, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 25570-02-9

Chlorodifluoromethane

Butachlor, 100 µg/ml, Acetonitrile, 5ml