Enoch J. (E.J.) Ledet specializes in Ensuring Product Quality in both laboratory and field operations management and in the design and use of laboratory quality assurance (QA) systems based on ISO Laboratory Guide 17025, including testing Statistical Quality/Process Control (SQC/SPC). E.J. draws on more than 40 years of experience including analytical support and management for oil refinery process chemistry, fuels and lubricants support, environmental/toxicology analytical support, detergent chemistry formulations, antifreeze research, enhanced oil recovery detergents discovery, managing refinery laboratory quality assurance, and development and management of ISO-based refinery QA systems. His responsibilities included Product Quality support to Manufacturing, Transportation, Supply/Distribution, and Retail/Wholesale Marketing.