Carbon Monoxide Safety New York State WAP BPI

New York State WAP DHCR – Policies and Procedures Indoor air quality (IAQ) tests are required to be completed for all buildings regardless of size or number of units Test for CO in the Ambient Air: Measure carbon monoxide (CO) in the ambient air of buildings where combustion appliances are used for heating and /or DHW. Eliminate sources of CO that contaminate the indoor air. Test at audit and at post inspection.

New York State WAP DHCR – Policies and Procedures All vented combustion appliances must be tested for carbon monoxide in undiluted flue gas. (exception AGA category III or IV gas appliances) Test for CO in Gas Oven Vent: Measure CO in undiluted gas oven exhaust and in the ambient air near the oven. Adjust oven burner to reduce CO if necessary. Test at audit and post-inspection.

New York State WAP DHCR – Policies and Procedures If ambient readings are no greater than 10 parts per million (ppm) above recorded outdoor levels …. Carry on. If ambient levels are greater than 35 ppm, or Undiluted flue gas is greater than 200 ppm 1. Turn off appliance 2. Ventilate Building 3. Complete Health & Safety Notification Form and have client sign 4. Identify problems 5. Prepare and initiate workscope immediately

New York State WAP A clean and tune must be performed if: The undiluted CO in the vent of any unit is greater than 100 PPM.

New York State WAP DHCR – Policies and Procedures Unvented space heaters: Educate the client about the potential danger of CO and fire from unvented space heaters. Explain that significant amounts of combustion products, including water vapor and CO2, are produced.

BPI (Building Performance Institute) Carbon monoxide levels in the ambient air around the technician must be monitored throughout all combustion safety tests. Diagnostic evaluations and inspections must be aborted if ambient CO concentrations greater than 35 ppm are recorded. CO producing appliances must be disabled and repaired before proceeding with additional diagnostics or inspections.

BPI Standards