Quinoxyfen, 100μg/ml in Acetonitrile, 1ml

Metolachlor, 100 µg/ml, Acetonitrile, 5ml

2,2',3,3',4,4',6,6'-Octabromodiphenyl ether,50 µg/mL,isooctane,1mL

EPA Method 548.1 Internal Standard