EPA Method 502.2 Surrogate Standard

1,2,3,4,7,8-Hexachloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

EPA Method 524.2 Rev 4.1 High Conc VOC Mixes

Dithianon, 100 µg/ml, Acetonitrile, 5ml