EPA Method 552.1 - Surrogate Standard Back Catalog number: 31056 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 687450 Brassicasterol, 5mg Price on request BB-2 3-Bromobiphenyl, 1.2ml x 50ug/ml, nonane Price on request 50725 ICP Mix #8 Price on request