Ch 21 - Environmental Issues Flashcards
Define asbestos.
A mineral that was once used as insulation because it is resistant to fire and contains heat effectively; found in most residential homes built before 1978; asbestos insulation was banned that same year
Hazardous insulation that can create airborne contaminants that result in respiratory diseases and cancer.
Asbestos
Highly friable; as it ages, its fibers break down easily into tiny filaments and particles; when particles become airborne, they pose a health risk to humans
Asbestos
How to mitigate asbestos?
Encapsulation or removal
the sealing off of disintegrating asbestos
encapsulation
In NC, _________ report I now required before a permit will be issued for the reconstruction, renovation, or demolition of any residential or commercial structure.
Asbestos
Where does one dispose of asbestos waste?
at a licensed facility
Environmental Protection Act (EPA) estimates home much of the nation’s commercial and public buildings contain asbestos?
20 percent
A hazardous substance that can lead to serious damage to the brain, kidneys, nervous system, and red blood cells.
Lead poisoning
Federal government estimates that lead is present in about ___ percent of all private housing build before 1978.
75 percent
When was the residential use of lead-based paint banned?
1978
An Act which requires persons selling or leasing residential housing constructed before 1978 must disclose the presence of known lead-based paint and provide purchasers or lessees with any relevant or reports.
Residential Lead-Based Hazard Reduction Act
NC law, this statute targets the elimination of lead-based paint in houses connected with HUD assisted projects
the Lead-Based Paint Poisoning Act of 1971
Radioactive gas produced as a by-product of the natural decay of other radioactive substances.
Radon
How to mitigate Radon levels?
systems using ventilation systems or exhaust fans.
Federal law requires anyone who is paid to perform work that disturbs paint in housing and child-occupied facilities to be trained and certified
New EPA rule applied beginning April 2010
Due to modern construction practices, i.e. energy-efficient homes and buildings with airtight walls and windows, the potential for radon gas accumulation may increase or decrease?
Increase.
An insulating foam that can release harmful formaldehyde gases
Urea-formaldehyde foam insulation (UFFI)
Hazardous material found in every state.
Radon