EPA Method 8260B Surrogate Standard Back Catalog number: 23012 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 676266 Diethofencarb, 10.0 µg/ml, Acetonitrile, 10ml Price on request 72693 Heptanoic acid Price on request 3447.5-100-AN Methomyl Price on request