Internal Standard - Surrogate Mix Back Catalog number: 96032 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 82526 EPA Method 8250/8250A Mix #3 - Pesticides Price on request 673733 Aminocarb, 100 µg/ml, Ethyl acetate, 5ml Price on request 72199 D-(+)-Malic acid Price on request