1,4,6,7-Tetrachlorodibenzofuran, 1.2ml x 50ug/ml, nonane Back Catalog number: DF-1467-S Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 79058 Hexachlorobenzene, 1000µg/ml in Toluene, 1ml Price on request 0149.15-500-IO 4-n-Propyldibenzothiophene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 132034-86-7 Price on request 30102 EPA Method 551.1 Surrogate Standard Price on request