Experts finally traced the cause of her illness. The level of formaldehyde(甲醛)gas in her kitchen was twice the maximum allowed by federal standards for chemical workers. The source of the gas? Her new kitchen cabinets and wall-to-wall carpeting.
The Ouchidas are victims of indoor air pollution, which is not given sufficient attention partly because of the nation s drive to save energy. The problem itself isn t new. The indoor environment was dirty long before energy conservation came along, says Moschandreas, a pollution scientist at Geomet Technologies in Maryland. Energy conservation has tended to accentuate the situation in some cases.
The problem appears to be more troublesome in newly constructed homes rather than old ones. Back in the days when energy was cheap, home builders didn t worry much about unsealed cracks. Because of such leaks, the air in an average home was replaced by fresh outdoor air about once an hour. As a result, the pollutants generated in most households seldom built up to dangerous levels.
Q: This passage is most probably taken from an article entitled .
A) Energy Conservation
B) House Building Crisis
C) Air Pollution Indoors
D) Traps in Building Construction
【题目译文】这段文章最可能从《 》文章中选取出来?
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