Which of the Following is Not a Common Atmospheric Pollutant

Which of the Following is Not a Common Atmospheric Pollutant.

What are the most common indoor air pollutants?

Co-ordinate to the EPA, there are 13 common indoor air pollutant sources. They fall into one of 4 categories: VOCs, biological pollutants, combustion byproducts, and legacy pollutants. These pollutants tin can affect the health and comfort of building occupants. Some health effects may show up shortly after a single exposure, or years later on afterwards prolonged exposure.

The most common indoor air pollutants include:

  1. Asbestos
  2. Biological Pollutants
  3. Carbon Monoxide
  4. Cookstoves and Heaters
  5. Formaldehyde
  6. Lead (Pb)
  7. Nitrogen Dioxide (NO2)
  8. Pesticides
  9. Radon (Rn)
  10. Indoor Particulate Matter
  11. Secondhand Smoke/Environmental Tobacco Smoke
  12. Volatile Organic Compounds (VOCs)
  13. Wood Fume

i. Asbestos

Asbestos is a mineral fiber. Information technology occurs naturally in stone and soil. Considering of its strength and heat resistance, it has been utilized in a variety of construction materials, including insulation, roofing shingles, and as a fire retardant. It has besides been used in friction products on cars. Asbestos exposure tin increase 1’s gamble of developing lung illness, mesothelioma, or asbestosis. As a result of these health effects, there are existing bans on the import, industry, and distribution of asbestos-related materials.

2. Biological Pollutants

Biological pollutants are contaminants produced by living things. As a result, they are frequently found in areas with excessive food or moisture. Biological pollutants can include bacteria, viruses, pet dander/saliva, dust, mites, and pollen. In buildings, these pollutants are usually establish near excessive moisture, like in humidifiers or an unvented bath, as excessive moisture tin can be a breeding footing for mold, mildew, and leaner.

3. Carbon Monoxide

Carbon monoxide (CO) is an odorless gas that is released when fossil fuels are burned. The greatest outdoor contributors of CO are vehicles, while kerosene lamps and gas heaters are the leading sources of CO indoors.

Carbon monoxide tin can exist extremely harmful to humans when inhaled in large amounts, as information technology affects the oxygen-carrying capacity of the claret. This ways it reduces the corporeality of oxygen that the body can send in the bloodstream to disquisitional organs. Carbon monoxide poisoning tin crusade dizziness, unconsciousness, and even expiry. CO is a threat more often than not to tightly enclosed indoor environments with poor ventilation, as high levels of CO are unlikely to occur outdoors.

4. Cookstoves and Heaters

Burning solid fuels such as woods or charcoal to cook or heat a building can contribute to poor indoor air quality. While non necessarily common in the US, these cooking/heating methods are still used by billions of households worldwide. The smoke and fumes produced past these cooking and heating methods combined with poor ventilation tin lead to substantial health and lung problems.

5. Formaldehyde

Formaldehyde is present in many building materials and household products. Information technology is commonly used in resins on wood products, insulation materials, glues, paints, corrective preservatives, and pesticides. Information technology is a chemic chemical compound that is also a combustion byproduct, which means it can be emitted from fuel-burning appliances. Long term and high exposure to formaldehyde could crusade cancer. Shorter-term exposure is known to cause pare, eye, olfactory organ, and throat irritation.

six. Lead (Pb)

Pb emissions find their way into the air from a variety of sources. The nigh common source is from metal processing and the called-for of leaded fuel. Once inhaled, lead tin can accumulate throughout the body, causing many agin effects. In adults, high levels of lead can cause wellness issues with the nervous, cardiovascular, and reproductive systems. For children, information technology tin can lead to learning or behavioral issues.

7.  Nitrogen Dioxide (NO2)

Nitrogen Dioxide (NO2) is office of the highly reactive family of nitrogen oxide gases. It is emitted from called-for fuel, ofttimes from cars, trucks, and ability plants. When combined in high levels with water in the atmosphere, it can form acid rain.

NOtwo
tin can be extremely harmful to those with preexisting respiratory diseases, particularly asthma, every bit it can cause cough, wheezing, and difficulty animate. Exposure over fourth dimension can lead to an increased susceptibility to respiratory infections.

8. Pesticides

Pesticides are used to control insects, pests, microbes, termites, and rodents. As a result, they are inherently toxic. Pesticides are mutual household products such as insecticides and disinfectants. Exposure to pesticides can have a variety of short-term and long-term effects, including skin, eye, nose, and throat irritation, increased risk of cancer, and impairment to the central nervous organisation.

9. Radon (Rn)

Radon is a naturally occurring radioactive gas. It has no taste, color, or odour, making it very hard to detect without specific radon testing. Considering it occurs naturally in trace amounts, it is mostly not a major health issue outdoors. However, about radon exposure occurs indoors as radon gas becomes trapped inside later entering through cracks and holes in a building’s envelope.

Long-term radon exposure tin increment one’s risk of developing lung cancer. Radon is the second leading cause of lung cancer in the US. Testing can place levels of radon indoors. If levels are high, they can usually exist corrected past improving ventilation or increasing the charge per unit of air change throughout the building.

10. Indoor Particulate Affair

Particulate affair, or particle pollution, is the mixture of solid particles in the air. While some particulate thing is large plenty to exist seen past the human eye (dust, dirt, sand, and smoke) other particles are and so pocket-size, they can only be seen with the aid of a microscope. Particulate matter tin can be emitted directly from a source, such as a structure site or beach, simply oftentimes is the result of a complex chemical reaction from pollutants emitted from burning fuels.

Prolonged exposure to particulate matter tin can lead to a variety of health problems, including heart attacks, irregular heartbeats, aggravated asthma, and increased respiratory symptoms. Those with preexisting respiratory diseases, such as asthma, are at a greater risk for experiencing adverse effects from particulate thing. To determine the level of exposure to this pollutant, the Air Quality Index (AQI) is a good indicator of pollution levels in the air.

11. Secondhand Smoke/Environmental Tobacco Smoke

Secondhand smoke, also known every bit ecology tobacco fume (ETS) is a mixture of the smoke released by the burning of tobacco products, such equally cigarettes and cigars. Exposure to secondhand fume is ofttimes referred to equally passive smoking. It is classified by the EPA as a Group A carcinogen and contains more than than 7,000 substances. Secondhand smoke can cause heart disease, stroke, lung cancer, asthma attacks, and other lung conditions.

12. Volatile Organic Compounds (VOCs)

Volatile organic compounds (VOCs) are gases emitted from certain solids or liquids. They tin can exist a consequence of many common household products including paints, wood preservatives, aerosol sprays, cleansers and disinfectants, moth repellants, air fresheners, stored fuels, dry-cleaned habiliment, and pesticides. VOCs include a variety of chemicals that can have brusque term and long term effects. Health furnishings may include eye, nose, and pharynx irritation, headaches, and harm to the liver, kidney, and primal nervous organization.

thirteen. Forest Smoke

Smoke is a complex mixture of gases and fine microscopic particles (particulate matter) produced when wood and other organic matter burn. The biggest wellness threat from wood smoke comes from the particulate matter in the smoke, discussed to a higher place. Many all the same use wood stoves for warmth and cooking. While they provide the necessary benefits of food and warmth, they can release harmful smoke if not ventilated properly. Irresolute out old forest stoves with newer, cleaner technology can assistance reduce health risks from wood smoke.




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Which of the Following is Not a Common Atmospheric Pollutant

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