PAH Standard Back Catalog number: 96770 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended P48-W-ES WHO PCB Extraction Standard, 100pg/µl in nonane, 1,2ml Price on request 30123 4,4'-Dibromooctafluorobiphenyl Price on request 72068 Dibenzothiophene-d8 Price on request