Natural environment

Natural environment

Related to any physical feature of the earth's natural environment.

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Natural environment > Water

endangerment assessment

Natural environment; Water

A study to determine the nature and extent of contamination at a site on the National Priorities List and the risks posed to public health or the environment. EPA or the state ...

endrin

Natural environment; Water

A pesticide toxic to freshwater and marine aquatic life that produces adverse health effects in domestic water supplies.

energy management system

Natural environment; Water

A control system capable of monitoring environmental and system loads and adjusting HVAC operations accordingly in order to conserve energy while maintaining comfort.

energy recovery

Natural environment; Water

Obtaining energy from waste through a variety of processes (e.g. combustion).

enforceable requirements

Natural environment; Water

Conditions or limitations in permits issued under the Clean Water Act Section 402 or 404 that, if violated, could result in the issuance of a compliance order or initiation of a ...

enforcement

Natural environment; Water

EPA, state, or local legal actions to obtain compliance with environmental laws, rules, regulations, or agreements and/or obtain penalties or criminal sanctions for violations. ...

engineered controls

Natural environment; Water

Method of managing environmental and health risks by placing a barrier between the contamination and the rest of the site, thus limiting exposure pathways.