"Dioxin-Like" PCBs Calibration Kit , 7 x 500ul, nonane Back Catalog number: WP-CVS Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 52057 Mixed Calibration Standard 5 Price on request 71333 3,3-Dimethylpentane Price on request 3089.12-50-IO 2-Bromobiphenyl, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 2052-07-5 Price on request