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Process of establishing a NABL testing lab in Chennai

NABL (National Accreditation Board for Testing and Calibration Laboratories) is an autonomous body under the Department of Science and Technology, Government of India, responsible for the accreditation of testing and calibration laboratories. Here are the general steps involved in the process of establishing a NABL testing labs in Chennai:

Determine Scope: 

Define the scope of testing services you wish to provide in your lab. It could be related to specific industries such as chemicals, textiles, electronics, or food, among others.

Infrastructure and Facility Setup: 

Establish a suitable facility with the necessary infrastructure, equipment, and space required for conducting the desired testing activities. Ensure compliance with relevant safety and environmental regulations.

Staffing and Expertise: 

Employ qualified and competent personnel with the appropriate technical expertise and knowledge in the relevant testing fields. This includes laboratory technicians, scientists, and quality managers who will be responsible for conducting the tests.

Quality Management System (QMS): 

Develop and implement a robust Quality Management System compliant with the ISO/IEC 17025:2017 standard. This includes creating standard operating procedures (SOPs), documenting processes, conducting internal audits, and establishing a quality manual.

Training and Competency: 

Provide training to laboratory personnel on relevant testing methods, quality control procedures, safety protocols, and documentation practices. Ensure that staff members are competent and qualified to perform their assigned tasks.

Documentation and Record-keeping: 

Maintain accurate records of all testing activities, including test results, equipment calibration, staff training records, and quality control measures. Implement a document control system to manage and update laboratory procedures and protocols.

Proficiency Testing: 

Participate in proficiency testing programs to assess the competence and performance of the laboratory. This involves conducting tests on samples provided by external proficiency testing providers and comparing the results with other participating laboratories.

Internal Audits: 

Conduct regular internal audits to assess the effectiveness of the Quality Management System and identify areas for improvement. Address any non-conformities or deviations through corrective and preventive actions.

Application and Assessment: 

Submit an application to NABL for accreditation. NABL will then conduct an assessment visit to evaluate the laboratory's compliance with the ISO/IEC 17025:2017 standard and the NABL-specific criteria.

Accreditation and Surveillance: 

If the assessment is successful, NABL will grant accreditation to the laboratory. Regular surveillance audits will be conducted to ensure ongoing compliance and maintenance of accreditation.

It's important to note that the above steps provide a general overview, and the specific requirements and processes may vary depending on the type of testing laboratory and the accreditation body. It is advisable to refer to the official NABL website and consult with NABL-accredited consultants or experts for detailed guidance and support throughout the accreditation process.


Tamilnadu Test House has been granted NABL Accreditation and Accreditation Certificate No.: TC–7672 for Chemical and Biological discipline of the Testing field having an issue date of 13.09.2021 & valid till 12.09.2023.


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