EESA10H3 Lecture Notes - Lecture 2: Gasoline, Radioactive Decay, Mesothelioma
30 Jan 2018
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Document Summary
Case study 1: london smog 1952: a man guides a london bus through thick fog with a flaming torch during 1952 great smog, smog was a result of coal burning. Case study 2: indonesian fires 1997: smoke over lake toba, sumatra, indonesia, from fires set to clear land for agriculture, fire is from monsoons, rain stops the burning. Primary air pollutants: human sources (cars, stationary, most hydrocarbon, most particulates) Health effects of outdoor pollution: the effects depend on the dose or concentration. Asthma: difficulties in breathing, particles can irritate the bronchial passage. Chronic bronchitis: excessive amount of mucus is produced in bronchi, resulting in lasting cough. Pulmonary emphysema: weakening wall of alveoli, they become enlarged and loss their resilience: shortness of breath is primary symptom. Lung cancer, heart disease, toxic poisoning, eye irritation, birth defects. 7 common outdoor air pollutants: primary air pollutants.
