3,4,6,7-Tetrachlorodibenzofuran, 1.2ml x 50ug/ml, nonane Back Catalog number: DF-3467-S Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 50241 COD Calibration Standard Price on request 1561.9-K-ME n-Nonane-d20, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 121578-11-8 Price on request 30004 EPA Method 500 Series Internal Standard #5 Price on request