2,4,5-Tribromobiphenyl, 1.2ml x 50ug/ml, nonane Back Catalog number: BB-29 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 95227 EPA Method 525 Internals & Surrogates Price on request 34381 1,1,1,2-Tetrafluoroethane, 20mg/mL in MeOH, 1ml Price on request