EPA Method 507 Analyte Mix #8 Back Catalog number: 94131 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 680059 Sudan Yellow, 250mg Price on request 677107 D5-Aclonifen, 100 µg/ml, Acetonitrile, 1ml Price on request 2034.12-50-NN 1,2,3,4-Tetrachlorodibenzo-p-dioxin,50 µg/mL,n-nonane,1mL, Price on request