EPA Method 8240A Sys Perf Check Cmpds Back Catalog number: 82411 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1111.13-10MG 2,7-Dinitrofluorene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 5405-53-8 Price on request 60030 Acid Extractables - MISA Price on request 40716 Benzo(g,h,i)perylene Price on request