Mass-Labelled PCB Extraction Standards, 1.2ml, nonane

n-Octylcyclohexane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1795-15-9

1,2,4,7/1,2,4,8-Tetrachlorodibenzo-p-dioxin mix, 1.2ml x 50ug/ml, nonane

o-Xylene, 1000µg/ml in MeOH, 1ml