1,3,7-Trichlorodibenzo-p-dioxin,50 µg/mL,n-nonane,1mL,

Zeorine, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 22570-53-2

EPA Method 601 Internal Standard

CONOSTAN 1000ppm Standard, Zn, 50g