HHE 445 Exam 3 Study Questions & Answers.

HHE 445 Exam 3 Study Questions & Answers. 1. Smog smoke +fog 2. smog complex A condition associated with smog that causes eye irritation, irritation of the respi- ratory tract, and chest pains, cough, shortness of breath, nausea, and headaches 3. criteria air pollu- tants common, universal air pollutants regulated by the EPA on the basis of known health ettects. 4. Air Quality Index used to provide the public with an indication of air quality in a local area on a daily basis. 5. What are some Some forms of cancer, damage to the nervous system, impairment of lung and adverse health ef- breathing function fects associated with air pollu- tion? 6. What are compo- Nitrogen (76%) nents of air pollu- Oxygen (23%) tion? 7. Natural Sources of Air Pollution 8. Anthropogenic Sources of Air Pollution Argon (1%) Carbon Dioxide (0.03%) Variety of other gases in lesser amounts Water vapor Wind storms that spread dust clouds Salt evaporation along the earth's coasts (particulate matter) Production of materials that have a biologic origin (e.g, mold spores, pollen, and organic material from plants and animals) Forest fires Volcanic eruptions/ash Broken down into 2 main categories 1. Stationary Sources: Power plants, Oil refineries 2.Mobile Sources: Vehicles 9. Identify key com- ponents of crite- ria air pollutants 10. Exposure to par- ticulate matter and how it per- ground level ozone, particulate matter, nitrogen oxides, carbon monoxide, sulfur dioxide, lead Particulate matter (aerosol particles)- dust, soot, and other finely divided solid and liquid materials that are suspended in and move with the air Ex: diesel exhaust, smoke from incineration of garbage, waste from crops, slash tains to air quality burning, industrial activities How it pertains to air quality- the EPA set standards to protect public health from airborne particles. 11. Clean Air act of 1970 federal law that regulates air emissions from stationary and mobile sources EPA i authorized to set air quality standards to protect public health and welfare (regulating hazardous air pollutants) Primary standards- protect public health, sensitive groups like people with asthma, children and elderly secondary standards- actively protect and ensure the well being and safety of the general public preventing damage to visibility, animals, crops, vegetation, and buildings. 12. Bioaccumulation concentration of a chemical as it moves up the food chain 13. DDT accredited to mitigation of worldwide cases of malaria 14. Organophos- phates 15. Organocarba- mates organic compounds that contain phosphorus