PAH-Mix 9, 100 ng/µl, 10ml

Heptachlor-endo-epoxide (trans-, isomer A), certified, 10mg

3,5-Dinitrobenzoic acid, 100 µg/ml, Acetonitrile,

2,4-Dibromophenol-3,5,6-d3,1000 µg/mL,isopropanol,1mL,