EPA Method 8315 Calibration Mix #2 Back Catalog number: 83510 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 79598 Atrazine-desisopropyl Price on request 11932-10-50-AN N-?Methylperfluorooctanesulfo?namide,50 µg/mL,acetonitrile,1mL, Price on request 11259.23-100-AN Diphacinone-d4 (indanedione-4,5,6,7-d4),100 µg/mL,acetonitrile,1mL, Price on request