2,3,4'-Tribromobiphenyl, 1.2ml x 50ug/ml, nonane Back Catalog number: BB-22 Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 1751.15-100-IO 2,4,8-Trimethyldibenzothiophene, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1210-52-2 Price on request 23012 EPA Method 8260B Surrogate Standard Price on request 9296.22-100-AC Propoxyphene hydrochloride, 100µg/mL, Solvent-acetone, Unit 1mL, # of units-1, Cas.no. 1639-60-7 Price on request