TRANSPORTATION PLANNING REQUIREMENTS OF THE FEDERAL CLEAN AIR ACT AMENDMENTS (CAAAS) OF 1990: A HIGHWAY PERSPECTIVE. IN: 1991 AASHTO ANNUAL MEETING PROCEED... The purpose of this paper is to provide a highway perspective on, and an overview of, the key transportation planning requirements in ...
Toxicity:Materials are considered toxic waste when they cause physical harm when absorbed through the skin or ingested. Commonly known toxic wastes include lead and mercury. These materials are marked with toxic waste signs to let individuals know of the risks to their health, which could be fatal...