EPA Method 632.1 Analytes Back Catalog number: 40047 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended C559752-5MG Clarithromycin-N-methyl-d3, 5mg Price on request 677109 D4-Quinoxyfen, 5mg Price on request 92809 EPA Method 8240A Mix #3 Price on request