Overflow Dam Hazmat

the location and the amount of progress made in protecting the exposures.

evacuation and sheltering-in-place.

assist in the physical evacuation of residents to a safe area or shelter such as a school. Potential shelters should be determined during preincident planning.

radiation, corrosive vapors, oxygen levels, combustibility, and final toxicity. Radiation monitoring is conducted using a Geiger counter. Oxygen levels and combustible levels are typically monitored with the use of a two, three, four, or five-gas monitor. Other specialized chemical monitors can be used to detect individual chemicals.

Geiger counter.

the use of a two, three, four, or five-gas monitor.

Emplacement of an impervious material to form a barrier that will keep a hazardous material from entering an area.

Includes complete dams, overflow dams, and underflow dams. A complete dam completely stops the flow of materials through a channel. An overflow dam uses piping to trap the material at the base of the dam. An underflow dam allows water to flow through piping under the dam and collects the hazardous material at the top of the dam.

Redirection of the flow of a liquid from an area.

Creation of an area to hold hazardous materials.

Addition of water or another liquid to weaken the strength or concentration of a hazardous material.

Lowering the concentration of vapors by spreading them out.

Controlling fumes or vapors that are given off by certain materials.