EPA Method 8240A Calibration Check Compounds Back Catalog number: 82412 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 676285 Mandipropamid, 100 µg/ml, Acetonitrile, 1ml Price on request 71129 Metsulfuron methyl Price on request 32851 2-Ethyltoluene Price on request