This dictionary is an extremely important reference book containing over 25,000 definitions from various areas of study in the field of occupational safety including toxicology, industrial hygiene, environmental compliance, environmental engineering and occupational medicine. The Lewis dictionary also contains a comprehensive listing of many acronyms and abbreviations that are commonly encountered in the profession. ISO 9000 and 14000 checklist and quick instructions on how to perform phase one and phase two site assessments are also included. With the addition of an index of related associations, this dictionary is one of the most comprehensive in the field. Many other books provide pieces of the information included in this reference book, but none provides as much in a single source. This book has a wide-ranging appeal in for many disciplines including: chemists, toxicologists, industrial hygienists, safety engineers, and environmental health engineers.