EESA10H3 Lecture Notes - Lecture 2: Indoor Air Quality, Lake Toba, Air Pollution
Document Summary
Lecture 2 airborne hazards and human health. Environmental disaster that created movement towards clean up: lead to changes in the clean air act that started in 1956. Severe air pollution, causing lots of destruction: stopped transportation due to low visibility, affected lung function, especially those with asthma, high casualties. The smog was the result of coal burning. Smoke from fires that were set to clear land for agriculture in indonesia: fires became uncontrollable, causing death from fire and smoke. The fires were so large that smoke blanketed over an area larger than the continental us. A more recent example are the wildfires in california: atmospheric deposition and circulation carried smoke very far, which made the sunlight a different colour. Primarily from humans sources stationary e. g. factories. Also from human sources mobile e. g. vehicles. Primary air pollutants: co, co2, so2, no, no2, most hydrocarbons, most particulates. Secondary air pollutants: hno2, so3, hno3, h2so4, h2o2, o3, pans, most.
