EPA Method 8240A Calibration Check Compounds Back Catalog number: 82412 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673613 alpha-HCH, 10 µg/ml, Ethyl acetate, 10ml Price on request 94028 2002Mix 1 WY06 Concentrate Price on request 679043 Benoxacor, 250mg Price on request