EPA Method 8240A C Back Catalog number: 22002 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended L20950020AL PAH-Mix 20, 10 ng/µl, 10ml Price on request 9518.16-100-T 1,2,3,4-Tetrahydrobenzo[b]naphtho[1,2-d]thiophene, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 90501-14-7 Price on request 21061 CLP Pesticide Lab Control Standard Price on request