18 Questions
What is the minimum level of CO detected by metering equipment that necessitates evacuation and ventilation of premises?
9 ppm
When should all personnel use personal protective equipment (PPE) and SCBAs?
In any atmosphere with excess of 35 ppm in any occupancy
What is the standard level of carbon monoxide (in ppm) set by OSHA for business occupancy?
35 ppm
What is the first step recommended to be taken after establishing scene control in a carbon monoxide investigation?
Zero the meter/monitoring device in the fresh air
Which organization sets the standard level of carbon monoxide at 9 PPM?
EPA
If no one exhibits symptoms of carbon monoxide poisoning, what action is not required unless specific conditions are met?
Evacuation of premises
What is the maximum safe working level for carbon monoxide (CO) established by OSHA over an 8-hour period?
35 ppm
According to the EPA, what is the maximum residential level for carbon monoxide that should not be exceeded over an 8-hour period?
9 ppm
Which of the following is the first priority upon arrival at a potential carbon monoxide incident?
Determine if there are any illnesses related to the incident
If complaints or suspected complaints of carbon monoxide poisoning are reported or found upon arrival, what should be done initially?
Request a medical unit and begin initial care
What is the primary concern when responding to a carbon monoxide incident, according to the guidelines?
The safety of personnel and citizens
According to the guidelines, levels of carbon monoxide above which value are considered harmful?
9 ppm for residential, 35 ppm for workplaces
What action should be taken if a CO reading is 9 ppm or less?
Inform occupants that the instruments did not detect elevated levels and recommend checking their CO detector.
At what CO reading should all occupants be recommended to leave the premises?
Less than 50 ppm
What is the recommended action if an appliance is identified as producing CO during an investigation?
Shut down the appliance by any means necessary.
What is the primary procedure for a CO incident in terms of scene control?
Hold ventilation temporarily to prevent spreading CO.
At what point can occupants reoccupy the premises after a CO incident?
At the discretion of the occupant once CO levels are safe for occupancy.
What is the recommended course of action if a CO reading is more than 9 ppm but less than 50 ppm?
Recommend that all persons leave the premises and begin ventilation procedures.
Learn about the operational procedures and guidelines outlined in Section 400.00 for responding to carbon monoxide incidents. Understand the systematic approach to identifying, eliminating, and assessing potential sources of carbon monoxide.
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