PCB Congeners & Hexachlorobenzene Mix #1

Calcium p-n-dodecylbenzenesulfonate, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 26264-06-2

1,3,7,8-Tetrachlorodibenzo-p-dioxin, 1.2ml x 50ug/ml, nonane

rac 3,4-Dihydroxymandelic Acid, 500mg