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ATAS Laboratories LLP conducts Proficiency Testing programmes to evaluate and improve the technical competency of testing and calibration laboratories across India. Our PT programs help identify the causes of unsatisfactory performance and implement corrective actions to prevent recurrence.
Customers Served
Active Clients
Years of Excellence
Testing Domains

Proficiency Testing provides laboratories a chance to undertake comparisons and receive an independent appraisal of their data compared to reference values or the performance of similar laboratories.
The results from participation provide laboratory managers with either a confirmation that performance is satisfactory or an alert that investigation of potential problems within the laboratory is required.
ATAS Laboratories improves the performance of tests/calibrations through investigation and identification of causes for unsatisfactory PT performance, followed by introduction of corrective actions to prevent re-occurrence.
How proficiency testing strengthens your laboratory's performance and credibility.
Independent appraisal confirming your laboratory's data against reference values and peer laboratories.
Early detection of systematic errors and potential problems within your testing processes.
Structured investigation and corrective measures to prevent recurrence of unsatisfactory performance.
Ongoing enhancement of test and calibration quality through regular inter-laboratory comparisons.
ATAS has the largest infrastructure among all private laboratories in India. Testing being its main proficiency, ATAS provides a seamless experience of quality assurance services to its clients, building an unbreakable bond with more than 8,000+ customers.
Originally located at Ghaziabad, a part of the National Capital Region, today it is one of India's leading laboratories โ equipped with highly sophisticated instruments, managed by highly qualified professionals, and providing analytical services in Environment, Petroleum, Materials, Food, Microbiology, and Chemicals.
Our customer base includes more than a thousand organizations โ Industries, Institutions, MNCs, and various Government Organizations โ spanning both national and international markets.
Serving
Platforms earned through years of commitment to quality and excellence.
Recognized for competence in testing and calibration as per ISO/IEC 17025.
Authorized for food safety testing and compliance verification.
Accredited for testing related to boiler manufacturing and safety standards.
Recognized for product certification testing under Indian Standards.
Complete range of testing services, all under one roof, for an extensive list of products and materials.
Comprehensive chemical analysis for industrial, environmental, and consumer products.
Microbiology and biological testing for food safety, water quality, and pharmaceuticals.
Material strength, hardness, tensile, and impact testing for metals and composites.
Advanced NDT methods including ultrasonic, radiographic, and magnetic particle inspection.
Safety, performance, and compliance testing for electrical and electronic products.
Precision calibration of instruments traceable to national and international standards.
We have developed a strong analytical capability to directly assist clients and support in-house Quality Assurance as well as Research Projects. We offer a complete range of testing services under one roof for an endless list of products and materials.
We own the most prestigious capabilities in Chemical, Mechanical, Biology, Non-Destructive Testing, Calibration, and Electrical & Electronics domains.
The laboratory is managed by highly qualified professionals, engineers, scientists, and experts governed by dedicated modern management techniques.
The management is aided by a highly qualified and experienced group of advisors representing the best in their fields, believing in honest, responsible, and modern techniques to achieve accurate and timely results.
The laboratory has been a pioneer in providing services in many fields and continues to expand its services to meet the challenges of a highly industrialized society.
Since its establishment, we have visualized the need for accurate and reliable analytical services to meet India's national aspirations of rapid industrial growth, human welfare, and managing the health impacts of such growth.
Proficiency Testing (PT) is the evaluation of laboratory performance against pre-established criteria by means of inter-laboratory comparisons. It helps laboratories assess their testing accuracy by comparing results with reference values or peer laboratories.
PT participation helps confirm your laboratory's performance is satisfactory, identifies potential problems early, and is often a requirement for accreditation bodies like NABL. It demonstrates competence to clients and regulatory authorities.
ATAS covers Chemical, Biological, Mechanical, Non-Destructive, Electrical & Electronics testing, and Calibration services across fields including Environment, Petroleum, Materials, Food, Microbiology, and Chemicals.
Results are evaluated using statistical methods including Z-scores and other performance criteria. Each participating laboratory receives a detailed performance report comparing their results with reference values and peer data.