Which of the following would be considered graywater?

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试卷: LEED AP BD+C模拟题B[查看]
Which of the following would be considered graywater?
A: Recycled water from the city
B: Water from a dishwasher
C: Air conditioning condensate
D: Untreated laundry water

参考答案: D

本题解释:
A item is just recycled water.
B item is blackwater.
C item is a source of non-potable water for uses such as irrigation.
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.

Reference: LEED for Existing Buildings: Operations & Maintenance Reference Guide,
Glossary