PCB Congener Mix #6

1,2,3,7,8,9-Hexachloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

6-Nitrobenzo[a]pyrene-d11,neat,neat,10mg,

Hexachlorobenzene, 100 µg/ml, Ethyl acetate, 1ml