EPA Method 515.1 Surrogate Standard Back Catalog number: 30022 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 94752 3,3’-Dimethoxybenzidine Price on request 681292 Fluralaner, 10mg Price on request DF-26-S 2,6-Dichlorodibenzofuran, 1.2ml x 50ug/ml, nonane Price on request