ISO/IEC 17025 Resource Center
Laboratory accreditation

ISO 17025

The ISO/IEC 17025 Resource Center 
website is a unique source of information specific to the ISO/IEC 17025 standard (or commonly called ISO 17025) and ISO 17025 accreditation. The information and documents provided on this site have been donated to benefit others in understanding what ISO 17025 is all about. This information will be of benefit to laboratories on the road to becoming accredited or to customers of laboratories in understanding the benefits of an ISO17025 accreditation.

A very good archive of ISO/IEC 17025 news is found at the following link:



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ISO/IEC 17025:2005 - General requirements for the competence of testing and calibration laboratories

ISO: International Organization for Standardization

IEC: International Electrotechnical Commission

17025: Unique standard number assigned by ISO

2005: Year standard was published

The ISO 17025 standard was re-issued in 2005 as a replacement to the 1999 version. The changes were mainly in section 4 of the standard. Section 4 is the management system and the changes reflect the ISO 9001:2000 revisions. A comprehensive comparison between the 1999 and the 2005 version is found at the following site:

Changes to ISO 17025

The site currently has 30 file downloads or information sources.

Useful sources of information on quality assurance products and services are also posted on this site. The ISO17025 standard is available in combination with useful products to assist a laboratory write their quality manual, standard operating procedures, and forms at the following site:


Test your ISO 17025 knowledge or train your staff by downloading this interactive MS Powerpoint file:

ISO 17025 Culture SHOQ Quiz

Contents of the ISO/IEC 17025 International Standard

1. Scope

2. Normative References

3 Terms and Definitions

4 Management Requirements*

5 Technical Requirements* 

* Actual ISO 17025 accreditation criteria. Click on the above links for more details on Management Requirements or Technical Requirements



 ISO 17025 Quality Manual


 Important Note to Users of this Site:  Although this site is intended to be a useful information resource for those seeking to implement and maintain effective laboratory quality management systems, the  Web Site is not affiliated with and does not act on behalf of the International Organization for Standardization (ISO), which is the organization that develops and issues international standards, including the ISO 17025 standard. The URL of the official web site for ISO is located at