Environmental Hazards (S2U5) Flashcards
Radon
colorless, odorless, radioactive gas that’s released when uranium decays.
Asbestos
A chronic lung disease caused by breathing asbestos fibers
True or False: Mold can occur when there is moisture and a lack of circulation
True
This hazard is the 2nd leading cause of lung cancer
Radon
What level of Radon is considered dangerous?
4 Picocuries per liter of air (but anything above 0 is considered unsafe)
2 places radon is commonly found?
soil and well water
Common places where Radon enters the home?
Chimney cracks Floor joists Water Soil tracked in from outside Floor drains Sump pumps Cracks in concrete porous walls
When radon is found, what can you do to eliminate it?
1) install a system that vents and filters the radon from the home
2) Seal any cracks or spaces in the concrete slab, foundation walls, or chimneys (Homes with crawl spaces may need a special plastic liner)
Where can Asbestos be found?
Insulation Ceiling Tiles Vinyl Floor Insulation around hot water pipes and steam pipes Wall and ceiling paint Rocks and soil Roofs Heating systems
True or false: Mold needs moisture to grow so leaks should be fixed immediately.
True
Brownfields
abandoned or otherwise unused commercial or industrial sites, many of which are suspected to contain hazardous waste, contaminants, or pollutants.
The Small Business Liabilities Relief & Brownfields Revitalization Act (Brownsfield Law):
enacted in 2002 to provide funds to both assess and clean up the many thousands of brownfields that are believed to exist nationally.
Carbon Dioxide (CO2):
most common greenhouse gas emitted by human activities.
Chlorofluorocarbons (CFCs):
organic chemical compounds made up of only carbon, chlorine, and fluorine.
Formaldehyde:
a flammable gas at room temperature that has a strong odor.