WS PAH Calibration Level 4 Back Catalog number: 92605 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0722.12-K-IO 1,3-Dimethylnaphthalene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 575-41-7 Price on request BB-4 2,2'-Dibromobiphenyl, 1.2ml x 50ug/ml, nonane Price on request 8507.16-K-IO 1,1,1,3,14,16,16,16-Octachlorohexadecane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. Price on request