Glossary

The Occupational Safety and Health Act (OSHA) z-list is a table of toxic and hazardous air contaminants.

A zero-beta asset is any investment that does not correlate with a broad based stock market index, such as the Dow Jones Industrial Average (DJIA) or overall market results. Financial risk is heightened when all investments in a portfolio are subject to the same risk factors. This is known as correlation.

Zone rating in commercial auto insurance divides the country into 50 zones with different rating tables applicable for each zone.

The zone system is a triennial insurance company solvency examination system developed by the National Association of Insurance Commissioners.