"Dioxin-Like" PCBs Calibration Kit , 7 x 500ul, nonane Back Catalog number: WP-CVS Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 1928.12-50-IO 4'-Fluoro-2,3',4,6-tetrabromodiphenyl ether, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 863314-87-8 Price on request XA16440000AL Propazine, 100µg/mL in Acetonitrile, 1ml Price on request EPA-1613LCS Labelled Compound Stock Solution, 1.2ml, nonane Price on request