EPA Method 504 - EDB & DBCP Back Catalog number: 93491 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10041.19 6-Acetylmorphine (free base), , Solvent-, Unit , # of units-, Cas.no. Price on request 10520.10-100-AN (±)-Nicotine-2,4,5,6-d4 (pyridine-d4),100 µg/mL,acetonitrile,1mL, Price on request 672987 17-beta-Estradiol-17-valerate, 100mg Price on request