INTERNATIONAL ISO/IEC STANDARD 17025 Third edition 2017-11 General requirements for the petence of testing and calibration laboratories Exigences generales concernant la petence des laboratoires d'etalonnages et d'essais Reference number ISO/IEC17025:2017(E) Iso IEC 力 Intemafonal Organization for @ISO/IEC 2017 ISO/IEC17025:2017(E) ! COPYRIGHT PROTECTED DOCUMENT @ISO/IEC 2017.Published in Switzerland All rights reserved.Unless otherwise specified no part of this publication may be reproduced or utilized otherwise in any form or by any means electronic or mechanical including photocopying or posting on the internet or an intranet without prior written permission.Permission can be requested from either ISO at the address below or ISO's member body in the country of the requester. ISO copyright office Ch.de Blandonnet 8.CP 401 CH-1214 Vernier Geneva Switzerland Tel.41227490111 Fax41227490947 copyright@iso.org .iso.org dor @ISO/IEC 2017-All rights reserved ISO/IEC17025:2017(E) Contents Page Foreword Introduction vi 1 Scope 1 2 Normative references 1 3 Terms and definitions 1 4 General requirements 3 4.1 Impartiality 3 4.2 Confidentiality 3 5 Structural requirements.... 4 6 Resource requirements. 5 6.1 General.... 5 6.2 Personnel 5 6.3 Facilities and environmental conditions 6 6.4 Equipment....... 6 6.5 Metrological traceability 8 6.6 Externally provided products and services 8 > Process requirements 9 7.1 Review of requests tenders and contracts 9 7.2 Selection verification and validation of methods 10 7.2.1 Selection and verification of methods 10 7.2.2 Validation of methods 11 7.3 Sampling 12 7.4 Handling of test or calibration items 12 7.5 Technical records 13 7.6 Evaluation of measurement uncertainty 13 7.7 Ensuring the validity of result.............. 13 7.8 Reporting of results .14 7.8.1 General..... 14 7.8.2 Common requirements for reports (test calibration or sampling) .15 7.8.3 Specific requirements for test reports..... 15 7.8.4 Specific requirements...