// CODE SNIPPET
1313.5 Air Sources
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The medical air compressors shall draw their air from a source of clean air. [NFPA 99:5.1.3.6.3.11(A)]
If an air source equal to or better than outside air (e.g., air already filtered for use in operating room ventilating systems) is available, it shall be permitted to be used for the medical air compressors with the following provisions:
- This alternate source of supply air shall be available on a continuous 24 hours-per-day, 7 days-per-week basis.
- Ventilating systems having fans with motors or drive belts located in the airstream shall not be used as a source of medical air intake. [NFPA 99:5.1.3.6.3.11(E)]
Dental air sources for a compressor(s) shall meet the following requirements:
- If the intake is located inside the building, it shall be located within a space where no chemical-based materials are stored or used.
- If the intake is located inside the building, it shall be located in a space that is not used for patient medical treatment.
- If the intake is located inside the building, it shall not be taken from a room or space in which there is an open or semi-open discharge from a Category 3 vacuum system.
- If the intake is located outside the building, it shall be drawn from locations where no contamination from vacuum exhaust discharges or particulate matter is anticipated. [NFPA 99:5.3.3.6.1.5]
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