EPA Method 508A DCB Stock Solution Back Catalog number: 30020 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 674913 Tylosin, 250mg Price on request 677688 gamma-Cyhalothrin, 100 µg/ml, Acetone, 1ml Price on request 675089 Metolachlor, 100 µg/ml, Acetonitrile, 5ml Price on request