This document is primarily intended to address industry and government questions regarding the impacts of recent Congressional activity on the subject of air quality. Air conditioning system performance levels on currently operational aircraft are documented. The effects upon aircraft design and operation are addressed, along with rough estimates of the economic consequences of proposed requirements.
Plants have been used as initial indicators, or monitors, of air pollutants around industrial sources for a long time (Heck, 1966). Sulfur dioxide (S02) was early identified as causing injury to field-grown plants (Thomas, 1951; Zimmerman & Hitchcock, 1956).
The next generation of end-use technologies must respond to growing demands for better indoor air quality, comfort, workmanship and durability. Priority technologies include advanced building energy management control systems, high efficiency.
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