HSCI 304 Lecture Notes - Lecture 4: Fireproofing, American Cancer Society, Prospective Cohort Study
18 May 2016
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Document Summary
Hsci 304- lecture 4 a state of the atmosphere in which substances that harm human or plant health or corrode materials exist in concentrations above their normal or background levels. Outdoor air pollutants: particulate matter, carbon monoxide, nitrogen oxides (nox where x can be 1 or 2, sulfur dioxide, ozone, (lead) Particulate matter: range from 0. 01 to 100 micrometers (um, particulate matter regulated as mass/volume. The number is the diameter: origin, chemical composition and travel distance all related to size. Ground level ozone: nox + voc o3. Traffic pollution: mixture of particles and gases that seems to have particularly damaging effects on human health, the specific agent(s) responsible for the health effects has not been definitively identified. Air pollution epidemiology: studies of acute effects, time series studies, use daily data on air pollution, mortality counts, and meteorology, relatively simple, easy, inexpensive. Cities with a wide range of population and air pollution characteristics. Consistent associations between air pollution (pm) and mortality.
