Benzo(a)pyrene-d12 Back Catalog number: 71739 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 95405 Aroclor 1248 & Tetrachloro-m-xylene Price on request 19205 TCLP Semi-Volatile Low Range Standard Price on request 8471.11-100-CY Carbadox Price on request