EPA Method 8270A Analytes Back Catalog number: 82706 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3516.9-100-CY 2,4,5-T-methyl ester Price on request C080101 Caffeine-13C3, 5mg Price on request 673133 2,4-D, 250mg Price on request