1,2,3,4,6,7-Hexachloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

EPA Method 552.1 - Surrogate Standard

n-Octane-d18, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 17252-77-6

Mass-Labelled PCDF Internal Standard Solution, 1.2ml, nonane