Pesticide Standard Back Catalog number: 92797 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0309.17-10MG 7H-Benzo[c]fluorene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 205-12-9 Price on request 2574.26-5MG Benzo[a]pentacene, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 239-98-5 Price on request 91853 EPA Method 8240A - Purgeable Surrogate Standard Price on request