下列哪种类型的水属于灰水？

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试卷: LEED v4 GA模拟题B卷中文[查看]
下列哪种类型的水属于灰水？Which of the following is a type of graywater?

A: 小便池出来的废水 Wastewater from urinals
B: 还未受到厕所排水（座便器和小便池出来的黑水）或厨房洗涤槽排水污染过的水 Wastewater that has not come in contact with toilet waste or kitchen sinks
C: 搜集的雨水并存储在水池（Cistern） Rainwater collected and held in a cistern
D: 滞留池（Retention pond）中搜集的雨水 Rainwater collected in a retention pond

参考答案: B

本题解释:
正确答案：B
系统解析:B：Uniform Plumbing Code (UPC)对灰水的定义为家用废水但未受到厕所或厨房排水污染过的水，包括浴缸、淋浴、卫生间洗脸盆、洗衣机和洗衣盆的水。不包括厕所黑水以及厨房洗涤槽排水或洗碗废水。
B:Graywater is defined by the Uniform Plumbing Code (UPC) as untreated house-hold wastewater which has not come into contact with toilet waste or kitchen sinks.
Graywater includes used water from bathtubs, showers, bathroom wash basins, and water from clothes-washer and laundry tubs. It does not include water from kitchen sinks or dishwashers.
A:This is blackwater.
C:This is rainwater.
D:This is rainwater.