EPA Method 508/608 Pesticide Standard Back Catalog number: 41001 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 82723 EPA Method 8270C Pesticide Mix #25 Price on request 53154 Continuing Calibration Verification Standard (CCV) Price on request 10354.17-100-ME Desmethylmianserin Price on request