In-door Air Quality of Toll Workers in Accra, Ghana

E. Quadzie, J. N Hogarh, F. Anim

Abstract


Toll attendants are occupationally uncovered to automobile engine exhaust, a complex mixture of various chemical substances, and in city air, this aggregate varies with the sort of car pushed (e.g., fuel, light-duty, heavy-obligation), in addition to with exhaust remedy technologies, gasoline formulations, engine working conditions (e.g., gas/air ratio, idle, acceleration, deceleration, load, velocity). The study aimed to investigate the Indoor Air Quality of highway Toll Attendants at Road-Toll Plazas in the Greater Accra Region of Ghana and assessed the risk of human exposure to specific air pollutants at the Toll Plazas. Aeroqual 500 with its interchangeable sensors was deployed for non-stop subject monitoring of particulate matter and gaseous emissions for three days every on the Accra, Kasoa, and Pobiman Toll Plazas. Common concentrations of particulate be counted and nitrogen dioxide had been discovered to be better than the Ghana standard and WHO guiding principle restriction. Concentrations for SO2, CO, and TVOC remained within Ghana general and WHO guideline restrict. The Hazard Quotient (HQ) of the respective pollutants characterised over an entire life publicity situation become low (<1 for each pollutant) which indicates that the concentrations of the specific pollutants at the Toll Plazas may not constitute an adverse environmental health risk. But the Hazard Index (HI) which is an aggregate of the HQs from the individual pollutants, was estimated to be higher (HI>1.0 =>dangerous). Toll attendants have been exceptionally exposed to particulate depend and nitrogen dioxide which is dangerous.


Keywords


PM, TVOC, Toll Plaza, Hazard Index, Hazard Quotient

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References


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https://doi.org/10.1371/journal.pone.0112195


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