1,3,7,8-Tetrachlorodibenzofuran, 1.2ml x 50ug/ml, nonane Back Catalog number: DF-1378-S Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 0148.14-500-IO 4-Ethyldibenzothiophene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 89816-99-9 Price on request 93906 Aliphatic Hydrocarbon Calibration #4 Price on request 93600 EPA Method 502.2/624Mix Price on request