1,2,3,9-Tetrachlorodibenzofuran, 1.2ml x 50ug/ml, nonane Back Catalog number: DF-1239-S Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 27013 EPA Method 8260B - Purgeable Internal Std Price on request 10902.20-K-AN Ethyl oleate-d5,1000 µg/mL,acetonitrile,1mL Price on request 54527 Sodium Carbonate Price on request