Aroclor 1221 in Transformer Oil Back Catalog number: 61221 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended C10652500 Uvinul 4050, 250mg Price on request PCB-IS-B Mass-Labelled PCB Solution/Mixture , 1.2ml, nonane Price on request 0265.20-K-T Benzo[k]fluoranthene, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 207-08-9 Price on request