EPA Method 624 Standard Back Catalog number: 41121 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 678474 Clopyralid, 100 µg/ml, Acetone, 1ml Price on request 673400 Oxadixyl, 10 µg/ml, Acetonitrile, 10ml Price on request 1955.11-2K-ME Ethyltri-n-propyltin Price on request