Dr. Muhammad Nasimullah Qureshi, Associate Professor Department of Chemistry (UCSS) Has been approved as Technical Assessor/ Expert by the Pakistan National Accreditation Council (PNAC) for accreditation of testing and calibration laboratories with PNAC under ISO 17025, an international system for harmonizing the standard of testing laboratories with international standard. Certificate of analysis of testing laboratories certified with ISO 17025 standard are accepted world wide under WTO regulations.