EPA Method 525 - Pesticide Standard Back Catalog number: 30127 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 678424 delta-HCH, 100 µg/ml, Acetonitrile, 5ml Price on request 73362 1-(Trimethylsilyl)imidazole Price on request 10147.19 6-Acetylmorphine-13C3 (free base), , Solvent-, Unit , # of units-, Cas.no. Price on request