Chapter 15
6360597443 | Air Pollution | The introduction of chemicals, particulate matter, or microorganisms into atmosphere | 0 | |
6360597444 | Natural sources of air pollution | volcanoes, dust storms, forest fires, lightening, and plants | 1 | |
6360597445 | Primary pollutants | PM, Carbon monoxide, Carbon dioxide, Nitrogen oxide, sulfur dioxide, VOCs, lead | 2 | |
6360597446 | Secondary pollutants | Sulfuric acid, nitrogen dioxide and nitric acid, tropospheric ozone | 3 | |
6360597447 | PM | Any solid particles or liuid droplets that are small enough to stay suspended in air | 4 | |
6360597448 | Sources of PM | forest fire, combustion of coal, oil, ad diesel. Other construction that mobilize soil, soot, and dust | 5 | |
6360597449 | Effects of Pm | Can get into respiratory system and aggrivate and damage it. The smaller the particulate the more harmful it is. Also reduces visibility and contributes to haze and smog | 6 | |
6360597450 | Carbon monoxide | Comes from inomplete combustion of fuels. Gets into blood stream and impairs hemoglobins ability to carry oxygen and cells die | 7 | |
6360597451 | Nitrogen Oxides | From combustion in atmosphere. Irritates respiratory system and can aggravate asthma | 8 | |
6360597452 | Sulfur dioxide | from combustion of fuels containing sulfur like oil, gasoline, and coal. Respiratory irritant | 9 | |
6360597453 | VOCs | Various natural molecules or formed by natural processes. Also produced by trees and shrubs in rural areas. Can cause cancer, immune system disorders, and blood disorders | 10 | |
6360597454 | Lead | Leaded gas and leaded paint, industrial processes. Can cause mental retardation, blindness and partial paralysis | 11 | |
6360597455 | Sulfuric acid | When SO2 reacts with atmosphere, component of acid rain | 12 | |
6360597456 | Nitric Acid | Nitrogen oxide reacts with atmosphere and creates nitrogen dioxide and nitric acid | 13 | |
6360597457 | Tropospheric ozone | When VOCs react with nitrogen oxides in atmosphere. Irritating to eyes nose and throat and weakens immune system. Part of photohemical smog | 14 | |
6360597458 | Photochemical oxidants | Formed when sunlight acts upon Sulfur dioxide or Nitrogen oxides | 15 | |
6360597459 | Smog | Mixture of oxidants and particulates | 16 | |
6360597460 | Photochemical Smog | VOCs and nitrogen oxides mix in sunlight and heat. Also known as brown smog or Los Angeles type Smog | 17 | |
6360597461 | Sulfurous smog | Also known as gray smog or London-type smog. smog dominated by sulfur dioxide and sulfate compounds | 18 | |
6360597462 | National Ambiant Air Quality Standards | Set limits on emmissions of common air pollutants. In 1990 it was amended to allow emissions trading where there was a maximum of SO2 emissions set and if factory goes below then they can sell pollution rights to another | 19 | |
6360597463 | Ways to reduce air pollution | Catalytic converter, wet scrubber, and Electrostatic precipitation. However, they require use of more fuel so there is more CO2 emissions | 20 | |
6360597464 | Catalytic Converter | Reduces emissions of car exhaust by converting CO and NO emissions into non-toxic molecules | 21 | |
6360597465 | Wet Scrubber | Dirty air enters and is sprayed with water vapor that traps the particulates of SO2 which is then mixed with crushed limestone and converted into sludge and taken to landfill | 22 | |
6360597466 | Electrostatic precipitator | Dirty air goes in and high voltage is applied to gas particles to make them charges. The charged particles are then attracted to electrons and collected and disposed of in landfill | 23 | |
6360597467 | Radon | Radioactive gas common in the decaying of uranium that is common in developed countries. Naturally present in certain rocks and soil and can leak into house. A carcinogen. | 24 | |
6360597468 | Asbestos | Fibrous mineral which had been used for insulation, drywall, roofing, flooring, etc. No longer used but still present in old buildings. Can cause lung damage and mesothelioma | 25 | |
6360597469 | Formaldehyde | It is a VOC found in new homes in wood panelings and carpets. It is a carcinogen | 26 | |
6360597470 | Carpeting | Styrene is a VOC present in new carpets, dust mites cause allergies, and bacteria from shoes can collect | 27 | |
6360597471 | Sick building Synrome | Caused by indoor air pollutants. Symptoms include diziness, nausea, headaches, fatigue, difficulty concentrating, and irritation of the skin, eyes, nose, and throat | 28 |