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804.1 Fireplaces and Appliances
Where located within buildings, fireplaces, solid fuel-burning appliances, vented decorative gas appliances, vented gas fireplace heaters and decorative gas appliances for installation in fireplaces shall comply with Sections 804.1.1 through 804.1.3. Unvented room heaters and unvented decorative appliances, including alcohol burning, shall be prohibited.
804.1.1 Venting and Combustion Air
Fireplaces and fuel-burning appliances shall be vented to the outdoors and shall be provided with combustion air provided from the outdoors in accordance with the International Mechanical Code and the International Fuel Gas Code. Solid-fuel-burning fireplaces shall be provided with a means to tightly close off the chimney flue and combustion air openings when the fireplace is not in use.
804.1.2 Wood-Fired Appliances
Wood stoves and wood-burning fireplace inserts shall be listed and, additionally, shall be labeled in accordance with the requirements of the EPA Standards of Performance for New Residential Wood Heaters, 40 CFR Part 60, subpart AAA.
804.1.3 Biomass Appliances
Biomass fireplaces, stoves and inserts shall be listed and labeled in accordance with ASTM E 1509 or UL 1482. Biomass furnaces shall be listed and labeled in accordance with CSA B366.1 or UL 391. Biomass boilers shall be listed and labeled in accordance with CSA B366.1 or UL 2523.
804.2 Post-Construction, Pre-Occupancy Baseline IAQ Testing
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.
  1. Group F, H, S and U occupancies shall not be required to comply with this section.
  2. 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.
  3. 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.
TABLE 804.2
ug/m3 (unless otherwise noted)
1-Methyl-2-pyrrolidinonea 160
1,1,1-Trichloroethane 1000
1,3-Butadiene 20
1,4-Dichlorobenzene 800
1,4-Dioxane 3000
2-Ethylhexanoic acida 25
2-Propanol 7000
4-Phenylcyclohexene (4-PCH)a 2.5
Acetaldehyde 140
Acrylonitrile 5
Benzene 60
t-Butyl methyl ether 8000
Caprolactama 100
Carbon disulfide 800
Carbon monoxide 9 ppm and no greater than 2
ppm above outdoor levels
Carbon tetrachloride 40
Chlorobenzene 1000
Chloroform 300
Dichloromethane 400
Ethylbenzene 2000
Ethylene glycol 400
Formaldehyde 27
n-Hexane 7000
Naphthalene 9
Nonanala 13
Octanala 7.2
Particulates (PM 2.5) 35 (24-hr)
Particulates (PM 10) 150 (24-hr)
Phenol 200
Styrene 900
Tetrachloroethene 35
Toluene 300
Total volatile organic compounds (TVOC) 500
Trichloroethene 600
Xylene isomers 700
  1. 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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