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From course:

BBS2001 Threats and Defence Mechanisms

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Question:

What are the different sizes of PMs and where to they come from?

Author: Mirte Schattorie



Answer:

PM10 (thoracic) -> construction sites, mining sites, paved roads, farming PM2.5 (fine) -> forest fires, volcanos, coal-powered power-stations, factories PM0.1 (ultrafine) -> man-made e.g. cosmetics


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