EPA Method 515.2 Analytes - Underivatized Back Catalog number: 83597 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2803.21-100-AN Stanozolol,100 µg/mL,acetonitrile,1mL, Price on request 2721.16-K-IO 4,4'-Dimethylbibenzyl, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 538-39-6 Price on request 683266 Perfluorooctanesulfonyl fluoride, 100mg Price on request