Indoor Air (10/27) Flashcards
Effects of breathing in NO2
- Respiratory problems
- Inflamed lining of lungs
- Reduced immunity to run infections.
- Wheezing, coughing, colds, flu
Exhaust gas recirculation
- Reduces the formation of NO2
- Routes a metered amount of exhaust into tract
- Dilutes air/fuel charge to reduce peak combustion
Catalytic converter
device the converts hydrocarbons and CO into less harmful gases
Sick Building Syndrome
Nonspecific symptoms associated by being in a building with chemical, infectious agents
Ventilation
- Air Oil Embargo caused people to build buildings too tight.
- Want more ventilation
Major indoor air pollutants
- Respirable particles
- Oxides of nitrogen
- CO
- CO2
- Biological agents and indoor allergens
- Formaldehyde
- Radon and radon daughters
- VOCs
- Asbestos filters.
Asbestos related diseases
- Asbestosis
- Lung Cancer
- Mesothelioma
- Tumors
What is wrong with the space heaters in Denver?
they release CO
Effects of formaldehyde
- Very similar to Sick Building Syndrome
- The newer the home, the higher the formaldehyde level.
- Irritant of respiratory system.
- Carcinogen
Where can formaldehyde be used?
insulation system
What were the results from the Assessment Monitoring Study for formaldehyde?
- Indoor levels higher than outdoor.
What was unique about Stanley Watras at the power plant?
- He set off a radon scare.
- Would set off alarm every time he walked into plant (his house was contaminated)
Radon causes…. ?
lung cancer
What element puts uranium miners in danger?
radon
What % of lung cancer deaths are due to cigarette exposure?
85%
