A B C D E F G H I J K L M N O P Q R S T U V W X Y Z All
Zafar, Mubashir
- Air Pollution from Traffic at Major Causeway Al-Khobar, Saudi Arabia
Authors
1 Environmental Health department, College of Public Health, Imam Abdul Rahman Bin Faisal University, SA
2 Department Public Health, College of Public Health, Imam Abdul Rahman Bin Faisal University, SA
3 Department of Environmental Health, College of Public Health, Imam Abdul Rahman Bin Faisal University, SA
Source
Journal of Ecophysiology and Occupational Health, Vol 20, No 1&2 (2020), Pagination: 1-5Abstract
Introduction: Causeway is providing a road link between travelers from Al-Khobar, Saudi Arabia and Bahrain. The vehicle traffic noise and emissions exhaust at Causeway have a significant effect on air quality parameters which leads to deteriorations impact on health of employees and passengers. The present study aimed to analyze the ambient air pollutants PM10, PM2.5, PM1, O3, CO2, SO2, CO, VOCs, and NO2, ambient noise and heat stress in and around causeway. Materials and Methods: All gaseous, particulate air pollutants, meteorological factors, ambient noise and heat stress were analyzed using standards calibrated equipment. July 2019 to October 2019 the study incused seven administrative sites in King Fahd causeway (Saudi Side). Air Quality Index (AQI) was used to determine the concentrations of selected ambient air pollutants. Results: All major air pollutants were high and significant difference in the concentration level between weekdays and weekends (p<0.05) and exceeds the international air quality guidelines in the selected studied sites of causeways. However, ambient noise demonstrated high significant levels in different studied sites in different times (p<0.05). Conclusion: Air quality measures in Causeway are significantly deteriorated and should be continuously evaluated to minimize the risk of daily exposure to traffic emissions.
Keywords
Air, Ambient, Gaseous, Pollutants, Quality.References
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- Heat Stress among Steel Workers in Al Jubail, Saudi Arabia
Authors
1 Jubail General Hospital, Al Jubail City, Eastern Province, SA
2 Department of Environmental Health, College of Public Health, Imam Abdul Rahman Bin Faisal University, Dammam, SA
3 Department of Public Health, College of Public Health, Imam Abdul Rahman Bin Faisal University, Dammam, SA
Source
Journal of Ecophysiology and Occupational Health, Vol 20, No 1&2 (2020), Pagination: 34-40Abstract
Background: Workers working in the steel industry has commonly exposed to heat which lead to health risk. The objective of this study was to assess heat stress among steel production workers. Materials and Methods: It is a cross sectional study, 186 workers were selected through simple random sampling. There are two groups of workers staff and line production. The Wet Bulb Global Temperature (WBGT) index was measured from Heat Stress Monitor (Casella Micro herm WBGT) and Heat Strain Score Index (HSSI). Spearmen correlation for determine the correlation between WBGT and HSSI and association between risk factors and HSSI determined through logistic regression. Results: The mean and SD values of the wet bulb global temperature was 32.46 (2.01) and these values exceed Threshold Limit Values (TLV by American Conference of Governmental Industrial Hygienists (ACGIH) standard and HSSI scores showed that 24.3% of the exposed workers were in red dangerous zone (severe heat strain). The WBGT and HSSI values are positively correlated (r = 0.85) (P = 0.001). Risk factors associated with heat stress after adjustment are age 19-35 years (OR 6.07, CI 1.78-21.90), years of experience >10 years (OR 4.67. CI 1.23-18.42), ever smoking (OR 1.58, CI 1.08-4.57) and overweight (OR 1.56, CI 1.20-12.48). Conclusion: The finding of this study showed that heat stress is common hazard among steel workers and the heat conservation planning intervention action should be conducted to reduce exposure.
Keywords
Heat, Health, Steel, Stress, Workers, Zone.References
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