Risk Analysis to Street Vendors Due to Exposure of Nitrogen Dioxide (NO2), Carbon Monoxide (CON), and Total Suspended Particles (TSP)

Abstract

Background: Bumi Tamalanrea Permai is a housing complex with all the dynamic problems of typical Metropolitan City residents. One of them is the activities of street vendors who sell close to the road shoulder, which makes the vendors vulnerable to exposure to emissions from passing motor vehicles. The aim of the study was to quantify the health hazards that street sellers face from being exposed to carbon monoxide (CO), nitrogen dioxide (NO₂), and total suspended particles (TSP). Method: Six ambient air sampling stations at BBLK were analyzed, and a total of 68 respondents were involved. Intake, RQ, and THQ values were calculated as part of the data analysis process. Risk management must be implemented if RQ is greater than 1. Results: The average concentration of Nitrogen Dioxide is 13.3 mg/Nm³, Carbon Monoxide 7953 mg/Nm³ and Total Suspended Particles 89.7 mg/Nm³. The morning intake values are for Nitrogen Dioxide 10.03 mg/Nm³, Carbon Monoxide 28.9 mg/Nm³ and Total Suspended Particles 10.7 mg/Nm³ while the average evening intake value for Nitrogen Dioxide is 23.7 mg/Nm³, Carbon Monoxide 28.9 mg/Nm³ and Total Suspended Particles 10.2 mg/Nm³. Quantitative data explained by calculating RQ and THQ Quotient both real time and lifetime is still safe. Conclusion: The findings indicate that street sellers in Bumi Tamalanrea Permai are not in danger of developing health issues as a result of being exposed to NO₂, CO, and TSP.

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