EPA Method 531.1 - Analytes Mixture Back Catalog number: 33042 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 98538 Gas Exploration Standard Price on request D1756 2-[2-(Dimethylamino)ethoxy]ethanol. 25ml Price on request 8225.6-100-AN Demeton-S-methyl Price on request