This technical report was developed to comprehensively evaluate the following international quality standards: ASME NQA-1 ?Quality Assurance Requirements for Nuclear Facility Application-Edition 2012?, NQSA NSQ-100 ?Nuclear Safety and Quality Management System Requirements?, IAEA GS-R-3: 2006 ?The Management System for Facilities and Activities?, and ISO 9001:2008 ?Quality Management Systems Requirements?. The report discusses the competitive strengths and weaknesses of these documents.