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. 2018 Oct 31;63(1):34–44. doi: 10.1093/annweh/wxy089

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© The Author(s) 2018. Published by Oxford University Press on behalf of the British Occupational Hygiene Society.

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Figure 4. — Real-time RD concentrations (µg/m³) during the demolition of a multi-story building at site A. RD time-exposure profiles (1-min averages) during demolition of a multi-story building in downtown Boston. Three pDR units were positioned in three different locations at the perimeter of the site, at 10–15 m from the building.