Malaoxon, 100 µg/ml, Toluene, 5ml

EPA 1620 Standard 4

Acetochlor SAA, 100 µg/ml, Acetonitrile, 1ml

2,2',4,4',6,6'-Hexachloro-3,3'-dimethoxybiphenyl, 1.2ml x 50ug/ml, nonane