EPA Method 551.1 - Analytes Mix “A” Back Catalog number: 30100 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 676725 Sulfaguanidine monohydrate, 100mg Price on request 673002 Prednisolone-21-acetate, 250mg Price on request 673702 Tebufenpyrad, 100 µg/ml, Ethyl acetate, 5ml Price on request