1,2,3,7,8,9-Hexachlorodibenzo-p-dioxin

Mass-Labelled PCDD Sampling Spike Solution, 1.2ml x 100ng/ml, nonane

3-n-Dodecylthiophene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 104934-52-3

EPA Method 8060 QC Check Solution