Certificate of Analysis Product Identification Name: APCI Positive Calibration Solution Part number: 4460131 COMPONENT MASS CONCENTRATION Molarity (+/‐ <2%) Calibration ion A 145 6.9 x 10 -6 Calibration ion B 265 5.7 x 10 -7 Calibration ion D 314 5.0 x 10 -7 Calibration ion E 353 2.1 x 10 -7 Calibration ion G 441 1.9 x 10 -7 Calibration ion H 608 6.2 x 10 -7 Calibration ion I 617 4.6 x 10 -7 Calibration ion K 921 3.1 x 10 -7 Calibration ion L 1521 3.3 x 10 -7 Lot Specific Information Lot number: A1076 Manufacture date: 3/16/2011 Expiration date: 2/28/2012 Quality Assurance Statement: These standards have been manufactured using ISO9001 procedures. Concentrations are calculated gravimetrically, and balances are calibrated to NIST traceable standards in accordance with our ISO procedures. Purity from interferences is verified through mass spectrometric analysis. Solvents are minimum HPLC grade. The information on this certificate has been reviewed and accurately reflects manufacturing and analysis data for the product lot specified. Quality Assurance Associate: Josh Whitesell Date: 3/16/2011 Support Technical Support call 1 800-952-4716 or 877-740-2129 or E-mail: Support@sciex.com This certificate may be obtained at: http://www.sciex.com/downloads/certificates-ofanalysis AB Sciex Pte. Ltd. Foster City, CA 94404 U.S.A. Document No.:4465697 Revision A