PCB Congeners

PT Semi-Vol Supplemental B/N Mix

1,2,3,4,6,8-Hexachloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

17 alpha(H),21ß(H)-(22R)-Tetrakishomohopane , neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 67069-14-1