Marketing and regulatory pressures are driving laboratories to adopt statistically valid quality control or quality assurance systems. This guide gives test engineers and laboratory technicians easily accomplished statistical techniques to meet legal requirements relating to quality control testing. Accurate techniques are presented for method development, validation, comparison of test methods and quality control for all samples. Each technique is presented in its most simple and basic form, and charts and tables make it easy for workers to enter their own data. Special attention is given to...