BS ISO 4094:2017 PDF

Scope: 1 Scope This document provides both general requirements and specific requirements (Annex A) for laboratories seeking to become “ Authorized Laboratories (ALs)” and to maintain their Authorized Laboratory status for the issue of optical reference transfer standards of level 3. This document follows the requirements and adopts the format of ISO/IEC 17025, with the aims of: a) establishing and maintaining international optical reference transfer standards of level 2 ( IR2 ) traceable to an international optical reference primary standard of level 1 ( IR1 ) maintained by a standardizing laboratory; b) distributing traceability required to achieve inter-laboratory agreement in the results of test methods specified in International Standards for optical properties of paper, board or pulp; c) participating in the design and development of new methods and international harmonization of procedures. When a laboratory does not undertake one or more of the activities covered by this document, such as sampling and the design/development of new methods, the requirements of those clauses do n...

BS ISO 4094:2017 history

2018 BS ISO 4094:2017 Paper, board and pulps. General requirements for the competence of laboratories authorized for the issue of optical reference transfer standards of level 3
2005 BS ISO 4094:2005 Paper, board and pulps - International calibration of testing apparatus - Nomination and acceptance of standardizing and authorized laboratories