EPA Method 8315 Calibration Mix #2 Back Catalog number: 83510 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 683116 D4-Dibutyl phthalate, 10mg Price on request 2030.12-50-NN 1-Chlorodibenzo-p-dioxin,50 µg/mL,n-nonane,1mL, Price on request 674462 4-Chlorophenoxyacetic acid, 250mg Price on request