Book excerpt: This workbook on Quality assurance is primarily written for radiographers and radiological technologists, but it may prove valuable for other health professionals. It focuses on the most essential steps of practical quality assurance needed in order to improve safety, quality, and efficacy of their work, and may be used either for self study and self assessment, or as part of organized training courses. The workbook includes teaching techniques and health and safety issues in X-ray departments. It also includes 6 teaching modules on reject film analysis, accessory equipment, X-ray equipment, manual film processing, automatic film processing, and radiographic exposures. It concludes with two appendix on making simple test tools, graphs, check sheets and record sheets, as well as a glossary and references.