Benzo[a]pyrene-d12 Back Catalog number: 1088.20-10MG Manufacturer: CHIRON AS Availability: 3 weeks Price on request - + Recommended DFP-IS-B10 Mass-Labelled PCDD & PCB Internal Standard Solution, 1.2ml, nonane Price on request 94223 Volatile Standard Price on request 93990 Acenaphthene Price on request