EPA 525 Cal Mix 1

Hexazinone, 100 µg/ml, Acetonitrile, 5ml

1,2-Dibromo-4-(1,2-dibromoethyl)cyclohexane, 100 µ

2,2',4,5'-Tetrabromodiphenyl ether, 1.2ml x 50ug/ml, nonane