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Testing laboratories play a major role in the evaluation of the quality of different products including textiles including geotextiles (mechanical and chemical with analytical). The results being reported by the testing laboratories are crucial in deciding the fitness of purpose of a product manufactured. The results should be reliable, repeatable, and reproducible. The competence of testing laboratories can be demonstrated by documenting and implementing a laboratory QMS as stipulated in the international standard ISO/IEC 17025:2017. One of the main critical requirements to be demonstrated by a laboratory as stated in this standard is participation in proficiency testing conducted by a third-party accredited agency.
The organization that conducts proficiency testing is called a Proficiency Testing Provider. The international organization for standardization has stipulated the QMS to be implemented by such an organization in ISO/IEC 17043:2010. NABL has started accreditation of PT Provider by the standard ISO/IEC 17043:2010 from 2011 onwards. So far, over 35 Proficiency Testing Providers are accredited by NABL for testing/calibration of different products/items.
(i) Determination assigned value for each measurand or characteristic of the proficiency test item (i.e. sample),
(ii) Determination of evaluation criteria such as Standard Deviation for Proficiency Assessment (SDPA), and
(iii) Performance evaluation in terms of Z score or Z prime score, etc. All these requirements are stipulated comprehensively in the
standard ISO 13528:2018.
To meet the proficiency testing requirements of textile testing laboratories, BTRA has documented and implemented the QMS as per ISO/IEC 17043:2010 and secured accreditation by NABL during 2018. This includes most of the conventional mechanical and chemical tests being performed by textile testing laboratories.
BTRA has added Analytical tests parameters like Banned Amine, Formaldehyde, and Metals to its PT Scope, which no one else in India does, to cater to the textile testing labs as well as chemical manufacturers. In 2020-2021, BTRA has conducted 2 PT programs as per ISO/IEC 17043:2010 in chemical/mechanical testing, covering 12 chemical (with analytical) and 5 mechanical tests. Over 50 plus textile testing laboratories from different parts of the country as well as overseas have participated in these PT programs. We have received a good response from the laboratories as well as our reports were well accepted by the users.