EPA Method 8240A Internal Standard Back Catalog number: 22003 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 94354 2,4,5-Trichloroanisole Price on request 91515 8260 Surrogates / Internals Standard Price on request