Internal Standard Stock Solution, 1.2ml, nonane Back Catalog number: EPA-23ISS Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 673230 Chloroxuron, 10.0 µg/ml, Acetonitrile, 10ml Price on request 50731 ICP Mix Price on request 3093.12-50-IO 2,4-Dibromobiphenyl, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 53592-10-2 Price on request