Chemical Processing : Those activities or operations that involve the production, use, storage, processing, and/or disposal of caustic, toxic, or volatile chemicals in liquid, gaseous, particulate, powder, or solid states
Department of Energy AREA SDMP, DOE Handbook, Glossary of Environment Safety and Health Terms, DOE-HDBK-1188-2006, D.C. 20585, USA 2006. http://www.hse.niordc.ir/uploads/86_24_dictionary_ 2006.pdf, (Envir Hlth and Sfty - Amer) {44}