Through further multiattribute decision analysis from water quality, outlay, operation and social effect, the best scheme could be recommended to the decision-maker.

• 各年龄层次人群的甲醛日平均暴露量均超过相关环境标准,而其它污染物均不超标;室内空气污染特别是因装修引起的室内空气污染应得到重视。