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Combustion Safety - Problem Set 2.2

Source(s) or Contributor(s)
Pacific Northwest National Laboratory
Question

  1. At what ambient level of CO can harmful side effects occur?

    1. 9 ppm CO

    2. 35 ppm CO

    3. 70 ppm CO

    4. 200 ppm CO

    5. All of the above

  2. How often should you conduct a combustion safety test?

    1. Once every 3 months.

    2. Every time there is a change to the heating and ventilation system or after air sealing.

    3. Any time a part of the heating and ventilation system is changed out due to damage.

    4. Once every year.