Mass-Labelled PCB Extraction Standards, 1.2ml, nonane

Dinaphtho[1,2-b;1',2'-d]furan, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 207-93-2

3,9-Dimethylbenz[a]anthracene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 316-51-8

Sulfide (S), 1000µg/mL in Water, 20ml