Electronic Parts/Guidelines - infoHouse

stock when it has been graded and baled
for shipment to a paper mill.) (1) Note: see
also specific types of waste such as: bulky
waste, construction and demolition waste,
hazardous waste, special waste, and yard
waste.
WATER TABLE
level below the earth's surface at which the
ground becomes saturated with water.
Landfills and composting facilities are
designed with respect to the water table in
order to minimize potential contamination.
(7)
WATER-BORNE INKS, COATINGS
coatings which contain substantial amounts
of water with up to 80 percent of the volatiles
being water. The polymers used to
make the solids component can be dissolved,
dispersed or emulsified. In industrial
water-borne coatings, the formulations
commonly contain 40 to 50 percent water,
10 percent organic solvents and 40 to 50
percent solids.
WATERWALL INCINERATOR
Waste combustion facility utilizing lined
steel tubes filled with circulating water to
cool the combustion chamber. Heat from
the combustion gases is transferred to the
water. The resultant steam is sold or used
to generate electricity. (7)
104 Environmental Packaaina Guidelines
WET SCRUBBER
anti-pollution device in which a lime slurry
(dry lime mixed with water) is injected into
the flue gas stream to remove acid gases
and particulates. (7)
WETLAND
area that is regularly wet or flooded and
has a water table that stands at or above
the land surface for at least part of the
year. Coastal wetlands extend back from
estuaries and include salt marshes, tidal
basins, marshes, and mangrove swamps.
Inland freshwater wetlands consist of
swamps, marshes, and bogs. Federal regulations
apply to landfills sited at or near
wetlands. (7)
WHITE GOODS
inoperative and discarded refrigerators,
ranges, water heaters, freezers, and other
similar domestic and commercial large
appliances. (4)
WINDROW
a large, elongated pile of cornposting material.
(7)
YARD WASTE
leaves, grass clippings, prunings. and other
natural organic matter discarded from
yards and gardens. Yard wastes may also
include stumps and brush, but these materials
are not normally handled at
cornposting facilities (7)