Graduate Thesis Or Dissertation
 

Comprehensive Analysis of PM2.5 Pollution from Construction Activities

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https://ir.library.oregonstate.edu/concern/graduate_thesis_or_dissertations/70795d511

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  • The Construction industry is one of the most hazardous industries in the US.Construction workers, on a daily basis, are exposed to numerous risks while performing arange of activities involving construction, alteration, and or repair. Dust and diesel exhaustemissions from construction equipment are considered harmful to the workers in the longrun. Several studies have highlighted the ill-effects of constant exposure to diesel fumes anddust, but without directly relating to the conditions at a construction site. This thesisevaluates the concentration levels of PM2.5 on a construction site in Central Western Oregonand their relation with weather conditions. The paper also analyses the different PM2.5concentrations the equipment operators are exposed to in the presence and absence of closedoperator cabins. The concentration levels of PM2.5 were measured using an aerosol monitor,TSI DustTrak II 8530. The measuring device was placed inside the operator cabin whilecollecting data from an excavator and inside the DustTrak II 8535 enclosure while collectingdata from an open, cabinless dozer. The conclusions from this study presented the impact ofweather on the concertation levels of PM2.5. The study revealed that temperature hadminimal impact on particle matter pollution while precipitation had a significant negativecorrelation with the same. The research also found that the operators inside an enclosed cabinwere exposed to higher levels of PM2.5 than those working in an open cabin. This thesis alsopresents several strategies that can be used by construction professionals to mitigateemissions from construction equipment.
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file details MontadkaNahushP2017.pdf 2017-11-08 Público Descargar