- W,X,Y,Z -

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

-  W -

Wall-soil contact - The direct contact of an exterior wall with the ground or soil.  Proper construction typically dictates that an exterior wall should sit above the ground, as wood or stucco can incur water damage if in direct contact with the ground.

Waste water - A liquid (including storm water) that discharges into a tunnel, drain, ditch, or stream.

Water contamination - The introduction of hazardous materials into the water or ground water.

Water intrusion - The undesired influx of water onto a site or into improvements.

Watershed - The drainage or collection of water on a site.

Water table - The upper level of the saturated zone of groundwater.

Worker decontamination enclosure system - A series of three temporary rooms for entering or exiting a contaminated work site. They are the clean room (adjacent to the outside or uncontaminated area), the shower room, and the equipment room (dirty room).

Wetlands - Areas that are inundated or saturated by surface or groundwater, such as lakes, swamps, marshes, bogs, sloughs, quagmire, wet meadows, river overflows, mud flats, lagoons, and ponds.

Woodrot - A situation where a wood structure has become moist and decayed.

-  X -

X-ray release - The undesired discharge of radiograms.

-  Z -

Zoning - The constitution right of government to restrict the use of a property through regulations.

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