EPA Method 8240A Matrix Spiking Standard Back Catalog number: 82410 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 677391 D4-Diquat dibromide, 100 µg/ml, Deuterium oxide, Price on request 71127 EPA Method 418.1 - Total Petroleum Hydrocarbons Price on request 678661 S-Metolachlor Metabolite CGA 368208, 100 µg/ml, M Price on request