2,3,4,8-Tetrachlorodibenzofuran, 1.2ml x 50ug/ml, nonane Back Catalog number: DF-2348-S Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 91625 Surrogate Standard Price on request EPA-1668CVS EPA Method 1668 Calibration Kit, 5 ampoules, nonane Price on request 681085 2-n-Octylphenol, 100 µg/ml, Acetone, 1ml Price on request