2,3,4-Trichlorodibenzofuran, 1.2ml x 50ug/ml, nonane Back Catalog number: DF-234-S Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 93586 Semi-Volatile Standard Price on request 92934 Retention Marker Standard - TX1005 Price on request 98314 Denatured Fuel Ethanol Calibration Level 7 Price on request