EPA Method 8240A Mix #2 Back Catalog number: 84422 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673806 Fenbutatin oxide, 250mg Price on request 681952 Heptenophos, 10.0 µg/ml, Acetone, 10ml Price on request 680937 Irbesartan, 10 µg/ml, Acetonitrile, 10ml Price on request