403: Carbon Monoxide Incident Response Procedure
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Questions and Answers

What is the minimum level of CO detected by metering equipment that necessitates evacuation and ventilation of premises?

  • 5 ppm
  • 15 ppm
  • 20 ppm
  • 9 ppm (correct)
  • When should all personnel use personal protective equipment (PPE) and SCBAs?

  • In any atmosphere with excess of 35 ppm in any occupancy (correct)
  • In any atmosphere with excess of 50 ppm in any occupancy
  • Only when the equipment is available on-site
  • Only when carbon monoxide levels exceed 9 ppm
  • What is the standard level of carbon monoxide (in ppm) set by OSHA for business occupancy?

  • 5 ppm
  • 35 ppm (correct)
  • 25 ppm
  • 9 ppm
  • What is the first step recommended to be taken after establishing scene control in a carbon monoxide investigation?

    <p>Zero the meter/monitoring device in the fresh air</p> Signup and view all the answers

    Which organization sets the standard level of carbon monoxide at 9 PPM?

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

    If no one exhibits symptoms of carbon monoxide poisoning, what action is not required unless specific conditions are met?

    <p>Evacuation of premises</p> Signup and view all the answers

    What is the maximum safe working level for carbon monoxide (CO) established by OSHA over an 8-hour period?

    <p>35 ppm</p> Signup and view all the answers

    According to the EPA, what is the maximum residential level for carbon monoxide that should not be exceeded over an 8-hour period?

    <p>9 ppm</p> Signup and view all the answers

    Which of the following is the first priority upon arrival at a potential carbon monoxide incident?

    <p>Determine if there are any illnesses related to the incident</p> Signup and view all the answers

    If complaints or suspected complaints of carbon monoxide poisoning are reported or found upon arrival, what should be done initially?

    <p>Request a medical unit and begin initial care</p> Signup and view all the answers

    What is the primary concern when responding to a carbon monoxide incident, according to the guidelines?

    <p>The safety of personnel and citizens</p> Signup and view all the answers

    According to the guidelines, levels of carbon monoxide above which value are considered harmful?

    <p>9 ppm for residential, 35 ppm for workplaces</p> Signup and view all the answers

    What action should be taken if a CO reading is 9 ppm or less?

    <p>Inform occupants that the instruments did not detect elevated levels and recommend checking their CO detector.</p> Signup and view all the answers

    At what CO reading should all occupants be recommended to leave the premises?

    <p>Less than 50 ppm</p> Signup and view all the answers

    What is the recommended action if an appliance is identified as producing CO during an investigation?

    <p>Shut down the appliance by any means necessary.</p> Signup and view all the answers

    What is the primary procedure for a CO incident in terms of scene control?

    <p>Hold ventilation temporarily to prevent spreading CO.</p> Signup and view all the answers

    At what point can occupants reoccupy the premises after a CO incident?

    <p>At the discretion of the occupant once CO levels are safe for occupancy.</p> Signup and view all the answers

    What is the recommended course of action if a CO reading is more than 9 ppm but less than 50 ppm?

    <p>Recommend that all persons leave the premises and begin ventilation procedures.</p> Signup and view all the answers

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