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Which of the following would be considered graywater?

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发表于 2012-9-7 21:49:39 |只看该作者 |正序浏览
试卷: LEED GA模拟题F[查看]
Which of the following would be considered graywater?


A: Recycled water from the city
B: Untreated laundry water
C: Air conditioning condensate
D: Water from a dishwasher

参考答案: B

本题解释:
A This is just recycled water.
B Graywater is defined by the Uniform Plumbing Code (UPS) 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.
C This is a source of non-potable water for uses such as irrigation.
D This is blackwater.
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