GLOSSARY

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

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RISK COMMUNICATION

The exchange of information about health or environmental risks between risk assessors, risk managers, the general public, and other interest groups such as the news media.


RISK MANAGEMENT

The process of evaluating alternative responses to risks and selecting among them. Risk management includes consideration of technical, scientific, social, economic, and political information.


RODENTICIDE

An agent that controls or kills rodents when used according to label directions.


ROOFING

Any material used as a roof covering, such as shingles, slate, flexible membranes, sheet metal, or tile.


ROTOR

A rotating part or component. Some desiccant dehumidifiers have a rotor or wheel with honeycomb openings, which are coated with silica gel to enhance adsorption.


ROUTES OF EXPOSURE

(entry) – The means by which toxic material may gain access to an organism, such as inhalation, ingestion and skin absorption, and intravenous, subcutaneous, intermuscular administrations.


RULES OF THUMB

General rules applied by those who have experience could be said to be an educated guess.