EPA Method 8270 PAH Standard Back Catalog number: 97742 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0018.16-200-T Benzo[b]naphtho[2,3-d]furan, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 243-42-5 Price on request DF-247-S 2,4,7-Trichlorodibenzofuran, 1.2ml x 50ug/ml, nonane Price on request 3657.6-1G 1,2-Dibromobenzene Price on request