PCB Congeners 1000 ppb

Estrone-2,4,16,16-d4, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 53866-34-5

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

PAH-Mix 3, in Cyclohexane, 10ml