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Why was particulate matter collected?

April 26, 2017collected Particulate

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Why was particulate matter collected?

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Particulate matter was sampled because it is toxicologically significant for people in the Sudbury area. Three different particulate sizes were collected – TSP (particulate matter less than 40 microns in diameter, retained in the human nose if present in the air), PM10 (particulate matter less than 10 microns in diameter, retained in the throat and upper lung if present in the air) and PM2.5 (particulate matter less than 2.5 microns in diameter, retained in the lower lung if present in the air).