Deutsch: Freisetzung / Español: Liberación / Português: Liberação / Français: Libération / Italiano: Rilascio /

A Release is when a hazardous substance goes from a controlled condition (for example, inside a truck, barrel, storage tank, or landfill) to an uncontrolled condition in the air, water, or land.

So a release means the emission or discharge of a substance from the facility site to air, surface waters, or land and includes a spill or leak.


Release in the environment refers to the introduction of substances into the air, water, or soil that can have harmful effects on ecosystems, human health, and wildlife. These substances can come from a variety of sources, such as industrial processes, agricultural activities, or improper disposal of waste. Releases can lead to pollution, contamination, and degradation of the environment, impacting biodiversity and ecosystem functioning. It is important to monitor and regulate releases to minimize their negative impacts on the environment.

Treatment and Risks

  • Implementing pollution control measures
  • Using technologies to reduce emissions
  • Proper disposal of hazardous materials
  • Monitoring and reporting releases


  • Industrial facility discharging untreated wastewater into a river
  • Farm using excessive pesticides that runoff into nearby streams
  • Improper disposal of electronic waste leading to toxic chemicals leaching into groundwater

Similar Concepts and Synonyms

  • Discharge
  • Emission
  • Spillage



Release in the environment can have detrimental effects on ecosystems, human health, and wildlife by introducing harmful substances into the air, water, or soil. It is crucial to implement treatments and control measures to minimize the risks associated with releases and prevent further environmental degradation.


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