EPA Method 8240A C Back Catalog number: 22002 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673400 Oxadixyl, 10 µg/ml, Acetonitrile, 10ml Price on request 679665 13C6-Mefenamic acid, 10mg Price on request 673669 Pirimicarb, 10 µg/ml, Ethyl acetate, 10ml Price on request