Major Accident Hazards Prevention

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Questions and Answers

That major ______ hazards have been identified and that the necessary measures have been taken to prevent such accidents and to limit their consequences for man and the environment;

accident

An on-site ______ plan has been drawn up to implement the necessary measures in the event of a major accident;

emergency

Decontamination, remediation and/or ______ measures will be undertaken in case of a major accident;

rehabilitation

Information relating to the ______ management system for the establishment;

<p>safety</p> Signup and view all the answers

ERA report shall contain at least the following data and information: 1.Information relating to the operator and the ______;

<p>establishment</p> Signup and view all the answers

Information relating to the consequences of major ______, the probability of its occurrence, and an estimation of the risk;

<p>accidents</p> Signup and view all the answers

The emergency response plan shall contain at least the following data and information, including the ______ of persons authorized to set emergency procedures in motion.

<p>names</p> Signup and view all the answers

The on-site emergency plan should describe the action to be taken to control the ______ or events which could bring about a major accident.

<p>conditions</p> Signup and view all the answers

The emergency response plan aims to minimize the effects of an incident and limit damage to ______, the environment and property.

<p>man</p> Signup and view all the answers

The plan should include arrangements for limiting the ______ to persons on site, including how warnings are to be given.

<p>risks</p> Signup and view all the answers

The on-site emergency plan should include a description of the ______ equipment and the resources available.

<p>safety</p> Signup and view all the answers

The emergency response plan should provide for the ______ and clean-up of the environment following a major accident.

<p>restoration</p> Signup and view all the answers

The failure of structures such as ______ could endanger life, property, or the environment.

<p>dams</p> Signup and view all the answers

The criteria for a project or undertaking not involving ______ materials shall be the possibility of an accident that the failure of a structure will cause permanent or long-term damage.

<p>toxic/hazardous</p> Signup and view all the answers

Explosives are categorized as a type of ______ material due to their reactivity.

<p>hazardous</p> Signup and view all the answers

A risk assessment methodology should consider the possibility of an accident that could cause permanent or long-term damage to more than ______ of the area of a particular habitat.

<p>10%</p> Signup and view all the answers

The classification of hazardous materials includes categories such as ______, flammable, and highly flammable substances.

<p>explosives</p> Signup and view all the answers

A safety management system should be in place to mitigate the risks associated with ______ substances, such as toxic substances and oxidizing substances.

<p>hazardous</p> Signup and view all the answers

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Study Notes

Major Accident Hazards

  • Six key requirements to prevent and respond to major accidents:
    • Identifying and preventing major accident hazards
    • Incorporating safety measures and reliability into design, construction, operation, and maintenance
    • Creating an on-site emergency plan
    • Providing decontamination, remediation, and/or rehabilitation measures in case of an accident
    • Providing sufficient information for siting new activities or developments around existing establishments
    • Ensuring adequate safety measures and reliability

ERA Report

  • An ERA (Environmental Risk Assessment) report should contain:
    • Information about the operator and establishment
    • Information about the scope of analysis
    • Information about hazardous substances or situations present
    • Consequences of major accidents, probability, and risk estimation
    • Information about the safety management system

Emergency Plan

  • An Emergency Plan should:
    • Contain or control incidents to minimize effects and limit damage
    • Implement measures to protect humans and the environment
    • Communicate necessary information to the public and emergency services
    • Provide for environmental restoration and clean-up
  • The plan should include:
    • Names of authorized personnel for emergency procedures
    • Person responsible for coordinating on-site mitigatory action and liaising with authorities
    • Descriptions of actions to control conditions or events that could lead to a major accident
    • Arrangements for limiting risks to persons on-site

Categories of Hazardous Materials

  • Explosives: substances or preparations that create the risk of explosion
  • Flammable, highly flammable, and extremely flammable substances
  • Oxidizing substances
  • Toxic substances (low, medium, high, very high, extreme)
  • Unclassified (Type A, Type B)

Levels of Hazardous Materials

  • Level 1: lower thresholds for hazardous substances (tons)
  • Level 2: higher thresholds for hazardous substances (tons)

Criteria for Projects without Toxic/Hazardous Materials

  • A project or undertaking without toxic/hazardous materials should assess the possibility of an accident causing:
    • Permanent or long-term damage to 10% or 0.5 hectares of the site
    • Permanent or long-term damage to 10% of a particular habitat
    • Permanent or long-term damage to 10% of a particular species associated with the site

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