On A Clear Day...

On A Clear Day... - Ryan Kusy APES What do "PM10" and...

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Ryan Kusy APES What do “PM10” and “PM2.5” mean? PM10 is used to describe particles of 10 micrometers or less and PM2.5 is used to describe particles of 2.5 micrometers or less. Which of these particles are the most harmful? The smaller the particle, the more harmful it can be because it can penetrate further into the body. In this case, PM2.5 is more dangerous How do fine particles cause health effects? The size of the particle is a main determinant of where in the respiratory tract the particle will come to rest when inhaled, particulate matter smaller than about 10 micrometers can settle in the bronchi and lungs and cause health problems. What groups are most vulnerable to fine particle air pollution? The most concentrated particulate matter pollution tends to be in densely populated metropolitan areas in developing countries. The primary cause is the burning of fossil fuels by transportation and industrial sources. As well children and elderly people are more vulnerable than adults. Should wildfires be stopped altogether to protect our forests, our air, and our
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This note was uploaded on 05/02/2010 for the course ECON 4428 taught by Professor Dr.siwak during the Spring '10 term at Drew.

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On A Clear Day... - Ryan Kusy APES What do "PM10" and...

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