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首页> 美国政府科技报告 >Manufactured Housing Standards: Testing and Performance Evaluation Could Better Ensure Safe Indoor Air Quality.
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Manufactured Housing Standards: Testing and Performance Evaluation Could Better Ensure Safe Indoor Air Quality.

机译：制造房屋标准：测试和性能评估可以更好地确保室内空气质量安全。

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Key standards for manufactured homes provide a lower margin of safety against a carbon monoxide exposure incident than those for site-built homes, which are constructed at their permanent locations. For instance, the Department of Housing and Urban Development (HUD) Code requires a minimum 3-foot separation between air intakes and exhaust vents, while industry standards for site-built homes have required a greater distance for many years. The industry standards call for a greater separation between air intakes and exhaust vents to help reduce the risk that contaminants such as carbon monoxide will re-enter the home. Indoor air quality experts whom GAO interviewed stated that the exhaust of an improperly operating furnace combined with unique wind conditions could, in rare cases, present a risk of carbon monoxide exposure. GAO analysis shows that increasing the separation between an air intake and exhaust vents, using industry standards, can significantly dilute concentrations of contaminants.

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