2,3,7-Trichlorodibenzo-p-dioxin, 1.2ml x 50ug/ml, nonane

Verrucarol, 25µg/ml in Acetonitrile, 1ml

EPA Method 525.2 Standard

4-Chlorocatechol, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 2138-22-9