Gradient Research and Information Services
Ruth R. Lyddy, M.L.S.
Ms. Lyddy is a senior research specialist with over 18 years of experience in Gradient's Information Resource Center. She provides research services in current and historical aspects of environmental sciences and engineering, toxicology, health risk assessment, industrial technology, and regulatory affairs. Her areas of expertise include online literature searching, internet research, historical data research, document retrieval, and bibliographic database creation and management.