EPA 1620 Standard 2 Back Catalog number: 53140 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 51126 Petroleum Waxes Internal Standard ASTM D-5442 Price on request 0217.13-K-T Fluorene, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 86-73-7 Price on request 2008.12-5MG 2,3,3',4,4'-Pentachlorobiphenyl, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 32598-14-4 Price on request