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804.2 Post-Construction, Pre-Occupancy Baseline IAQ Testing
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Where this section is indicated to be applicable in Table 302.1, and after all interior finishes are installed, the building shall be tested for indoor air quality and the testing results shall indicate that the levels of VOCs meet the levels detailed in Table 804.2 using testing protocols in accordance with ASTM D 6196, ASTM D 5466, ASTM D 5197, ASTM D 6345, and ISO 7708. Test samples shall be taken in not less than one location in each 25,000 square feet (1860 m2) of floor area or in each contiguous floor area.
- Group F, H, S and U occupancies shall not be required to comply with this section.
- A building shall not be required to be tested where a similarly designed and constructed building as determined by the code official, for the same owner or tenant, has been tested for indoor air quality and the testing results indicate that the level of VOCs meet the levels detailed in Table 804.2.
- Where the building indoor environment does not meet the concentration limits in Table 804.2 and the tenant does not address the air quality issue by mitigation and retesting, the building shall be flushed-out by supplying continuous ventilation with all air-handling units at their maximum outdoor air rate for at least 14 days while maintaining an internal temperature of at least 60°F (15.6°C), and relative humidity not higher than 60 percent. Occupancy shall be permitted to start 7 days after start of the flush-out, provided that the flush-out continues for the full 14 days.
|MAXIMUM CONCENTRATION OF AIR
POLLUTANTS RELEVANT TO IAQ
ug/m3 (unless otherwise noted)
|t-Butyl methyl ether||8000|
|Carbon monoxide||9 ppm and no greater than 2
ppm above outdoor levels
|Particulates (PM 2.5)||35 (24-hr)|
|Particulates (PM 10)||150 (24-hr)|
|Total volatile organic compounds (TVOC)||500|
- This chemical has a limit only where carpets and fabrics with styrene butadiene rubber (SBR) latex backing material are installed as part of the base building systems.
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