PCB Mix 1 ppb Back Catalog number: 95019 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 81502 2,4-DB methyl ester Price on request 91771 Dibromotoluene, 5000µg/mL in MeOH, 1ml Price on request 1526.24-100-TX10 Coronene-d12, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-10, Cas.no. 16083-32-2 Price on request