Internal Standard Solution, 1.2ml, nonane Back Catalog number: EPA-23IS Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 72289 p-Xylene-d10 Price on request 3430.4-100 Maneb, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 12427-38-2 Price on request 10330.16-K-ME Norcocaine HCl, 1000µg/ml in MeOH, 1ml Price on request