EPA Method 8240A Calibration Check Compounds Back Catalog number: 82412 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 38126 CWA Herbicide Acid Mix #1 Price on request 678374 lambda-Cyhalothrin, 100 µg/ml, Acetonitrile, 5ml Price on request 57142 Molybdenum (Mo) Price on request