Proficiency Testing (PT) or External Quality Assessment (EQA) helps assess the performance of individual laboratories for specific tests or measurements and ensures continuous monitoring of laboratory performance. A robust Proficiency Testing Program guarantees the quality and reliability of test results, fostering sustainable growth for businesses. Participating in PT programs is essential, but achieving strong performance with EN and z-scores is equally important.

Riphah Testing Lab is an accredited laboratory following ISO/IEC 17043 standards for both Testing (Chemical & Biological) and Calibration fields. With years of experience in Testing (Chemical, Biological, and Mechanical Disciplines) and Calibration (Thermal, Mechanical, Electrotechnical, and Fluid Flow Disciplines) as per ISO/IEC 17025:2017, Riphah Testing Lab is recognized for its scientific leadership in Pakistan.

Offering a wide range of PT programs in Testing and Calibration, Riphah Testing Lab delivers high-quality Proficiency Testing services with homogenized samples, accurate Z and EN score reporting, timely feedback, and expert consultancy for performance improvement. As one of the premier PT laboratories in the region, we are your comprehensive solution for all compliance requirements, ensuring that your lab meets the highest quality standards.