Laboratories that wish to be accredited (certified and registered) have to introduce quality assurance systems in accordance with the ISO 9000 series, the ISO/IEC Guide 25, EN 45000 and the ISO 14000 series. This book offers guidance, through the experience and expertise of professionals and academics, on how laboratories should go about this. Providing real-life examples from laboratories in every area of analysis (food, medicine, oil, clinical, forensic, environmental, industry and university), the text demonstrates the methods, equipment and statistics necessary for improving performance. It also contains the selected list of the relevant ISO International Standards and the ISO/IEC Guides.