EPA Method 8240A C Back Catalog number: 22002 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 53059 Tuning Solution- Method 200.7 section 7.7 Price on request 0383.12-K-IO Dibenzothiophene-d8, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 33262-29-2 Price on request 66166 2,3,4,4',5,6-Hexachlorobiphenyl (166) Price on request