EPA Method 602/8020 Back Catalog number: 19197 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended C14071000 alpha-HCH, certified, 0.1g Price on request C13351000 3-Ethylphenol, certified, 0.5g Price on request P287535 Perindoprilat, 10mg Price on request