NORSOK N-004 specifies guidelines and requirements for design and documentation of offshore steel structures. This document is applicable to all type of offshore structures made of steel with a specified minimum yield strength less or equal to 500 MPa. For steel with higher characteristic yield strength, see Annex A.
Guidelines for third-party certification and accreditation Guide 43 - Proficiency testing by interlaboratory comparisons, Part 1: Development and operation of proficiency testing schemes
Guidelines for third-party certification and accreditation - Guide 43 - Proficiency testing by interlaboratory comparisons, Part 2: Selection and use of proficiency testing schemes by laboratory accreditation bodies
Guideline for third-party certification and accreditation, Part 58: Calibration and testing laboratory accreditation systems - General requirements for operation and recognition
