Exposure to diesel particulate matter at the loading bay of the physical plant building at the University of Central Missouri
Kuffour, Prince Awiti
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Diesel fuel is an efficient fossil fuel used for a wide range of purposes. A negative aspect of its use is the resultant emissions. This study focused on human exposure to Diesel Particulate Matter (DPM) at a designated UCM loading bay utilizing diesel trucks for unloading of materials. TSI DustTrak DRX Aerosol monitor and PCM asbestos filter cassettes were used to collect samples. The data was subject to statistical analysis which proved a statistically significant difference between the means of the data sets. Increase in concentrations of different sizes of particulate matter (PM) was related to corresponding increases in amount of DPM. This was attributed to increase in number of trucks that off-loaded per each sampling period. The 8-hour TWA of 0.036 mg/m³ for total PM and 0.016 mg/m³ for respirable PM were below standards for Particulates Not Otherwise Regulated and National Ambient Air Quality Standards for PM. The loading bay workers are not overexposed to DPM.