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Air Quality Deterioration in a Pristine Area due to a Petroleum Refinery and Associated Activities.
Handique, Devolakshi; Bhattacharyya, Krishna G.
The work describes an assessment of the major air pollutants, NO2, SO2, CO, O3, NH3, coarse and fine particulate matter (PM10, PM2.5) in ambient air in and around a 3 million tonne Petroleum Refinery and the possible impacts on a pristine area marked by the presence of the world-famous Kajiranga National Park, a world heritage site and habitat for the most number of one-horned rhinos in the world. The Refinery is at an aerial distance of 20-25 km from the wildlife habitat. The assessment is based on regular monitoring at four stations around the Refinery and one station near the National Park. Heavy rains during June to August influence the pollutant concentrations while at other times of the year, large traffic volume adds to the pollutant concentrations that peak during November to March, the dry months of the year. Correlation analysis by scatter technique is utilised to obtain the enhancement ratios to predict the variations in the concentrations of the pollutants and their spatial distribution. Computation of air quality index (AQI) indicates that the coarse and the fine particulates in the ambient air could be a major hazard to wildlife in the area.
Asian Journal of Atmospheric Environment (AJAE), 2017, Vol 11, Issue 4, p254
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