EPA Method 502.2/624Mix Back Catalog number: 93600 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended NG-16493-1G 3-Ethoxy propionaldehyde diethyl acetal, 1g Price on request 8461.12-100-CY Phoxim Price on request 72408 Butyric acid Price on request