Mass-Labelled PCB Internal/Recovery Standards, 1.2ml, nonane

Tetradifon, 100 µg/ml, Ethyl acetate, 5ml

Dibenz[a,c]anthracene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 215-58-7

Perinaphthenone, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 548-39-0