Dibenzo-p-dioxin,50 µg/mL,n-nonane,1mL,

PCB Congeners & Hexachlorobenzene Mix #5

Cholest-5-en-3ß-ol , 600µg/mL, Solvent-n-hexane, Unit 1mL, # of units-1, Cas.no. 57-88-5

epsilon-HCH (BHC), 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 6108-10-7