Laboratory Accreditation Laws and Guidance
Traceability and Measurement Uncertainty
- A2LA, G104-Guide for Estimation of Measurement Uncertainty in Testing (2014)
- Canadian Association for Laboratory Accreditation Inc (CALA). P19 – 01 CALA Measurement Uncertainty Policy, Revision 2.0 – February 12, 2020
- EURACHEM/CITAC Guide CG 4: Quantifying Uncertainty in Analytical Measurement, Third edition (2012)
- EURACHEM/CITAC Guide: Measurement Uncertainty Arising from Sampling: A guide to methods and approaches (2007)
- NORDTEST Technical Report 537: Handbook for calculation of measurement uncertainty in environmental laboratories (2012)
- VAM Project 3.2.1 Development and Harmonization of Measurement Uncertainty Principles, Part (d): Protocol for uncertainty evaluation from validation data. (2000)
- ISO 21748:2017 Guidance for the use of repeatability, reproducibility and trueness estimates in measurement uncertainty estimation
- EURACHEM Guide: The Selection and use of Reference Materials, A Basic Guide for Laboratories and Accreditation Bodies (2002)
- EURACHEM/CITAC Guide: Traceability in Chemical Measurement (2003)
- DURACHEM/CITAC Guide: Traceability in Chemical Measurement – 2nd Edition (2019)
- National Institute of Standards and Technology (NIST) State Metrology Laboratories
Accreditation Standards and Guidance
- AAFCO Quality Assurance/Quality Control Guidelines for State Feed Laboratories, 3rd edition. 2014. (Table of Contents)
- FAO Quality assurance for animal feed analysis laboratories, Food and Agriculture Organization for the United Nations, FAO Animal Production and Health Manual No. 14. (2011)
- EURACHEM/CITAC Guide: Guide to Quality in Analytical Chemistry, An Aid to Accreditation (2016)
- EURACHEM Guide: Accreditation for Microbiological Laboratories: 3rd Edition (2023)
- Partnership for Food Protection, Laboratory Science Workgroup, Human and Animal Food Testing Best Practices Manual (2018)
- UNIDO Complying with ISO 17025: A practical guidebook for meeting the requirements of laboratory accreditation schemes based on ISO 17025:2005 or equivalent national standards.
Proficiency Testing and Technical Competency
- AAFCO Proficiency Testing Program
- APHL Proficiency Testing Provider List
- EURACHEM Guide: Selection, Use and Interpretation of Proficiency Testing (PT) Schemes by Laboratories, 2nd Edition (2011)
- Proficiency Testing Providers for Food and Feed Testing Laboratories
- ISO/IEC 17025:2017 General requirements for the competence of testing and calibration laboratories
Evaluation of Method Performance
- AOAC International, How to Meet ISO17025 Requirements for Method Verification
- AOAC International Methods Committee Guidelines for Validation of Microbiological Methods for Food and Environmental Surfaces- Appendix J
- AOAC ISPAM Guidelines for Validation of Qualitative Binary Chemistry Methods – Appendix N
- AOAC International Guidelines for Validation of Botanical Identification Methods
- EURACHEM Guide: The Fitness for Purpose of Analytical Methods: A Laboratory Guide to Method Validation and Related Topics: 2nd Edition (2014)
- Irish National Accreditation Board, Guide to Method Validation for Quantitative Analysis in Chemical Testing Laboratories, (ISO 17025) PS15 (2016)
- ISO 5725: 1994 (Parts 1-4 and 6): Accuracy (trueness and precision) of measurement methods and results. ISO, Geneva (1994)
- IUPAC Technical Report, Harmonized Guidelines for Single-Laboratory Method Validation of Chemical Test Methods
- National Association of Testing Authorities (NATA), General Accreditation Guidance for Validation and Verification of Quantitative and Qualitative Test Methods (2018)
How to Search for Accredited Organizations
- ANAB ANSI National Accreditation Board Directory of Accredited Organizations
- The International Accreditation Service (IAS) Search Accredited Organizations
- International Laboratory Accreditation Cooperation (ILAC) Mutual Recognition Arrangement (MRA) Signatory Search
- Perry Johnson Laboratory Accreditation, Inc. (PJLA) Search Accredited Organizations
- Search A2LA Directory of Accredited Organizations