An odorless, tasteless, invisible gas that is potentially deadly when inhaled in high concentrations.
carbon monoxide (CO)
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The physical change of a gas into a liquid. For example, water vapor condenses to become liquid water.
condensation
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An area that is known to be prone to earthquakes.
earthquake zone or seismic area
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A sudden flood usually caused by heavy rain, although not necessarily in the flooded areas. Heavy rains in the mountains many miles upstream of a town can cause unexpected flash flooding in the town if the rainfall rates are high enough.
flash flood
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A low-lying area near a river or other body of water that floods when the water level in the body of water rises.
floodplain
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A building code designed to reduce property damage during a hurricane by requiring structures to be constructed to withstand hurricane-force winds.
hurricane code
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A strap or clip that anchors roof components to a house.
hurricane tie
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A law passed in 1988 that set a goal for the Environmental Protection Agency to reduce indoor radon levels to those of outdoor air.
Indoor Radon Abatement Act
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A set of rules developed by independent agencies that can be adopted or incorporated into law by state and local governments.
model building code
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The common term for several types of fungus that reproduce through spores.
mold
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An invisible, odorless, tasteless, radioactive gas produced by the decay of uranium.
radon
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The process of reducing radon levels in a building.
radon mitigation
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A room within a house that is constructed to withstand tornado-force winds.
safe room
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An area that is known to be prone to earthquakes.
seismic area or earthquake zone
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A small appliance that gives a loud warning signal or displays a bright strobe light when it detects smoke in the house.
smoke detector
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A dome of ocean water fueled by a hurricane that can be 20' at its highest point and up to 100 miles wide.