EPA Method 531.1 - Performance Check Solution

1,2,3,4,6,8-Hexachlorodibenzo-p-dioxin, 1.2ml x 50ug/ml, nonane

Tri-n-propylphosphate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 513-08-6

Chlorite (ClO2-)