International Journal of Scientific and Management Research

Determination of Some Air Pollutants and Meteorological Parameter in Granite Dump Site in UYO LGA

Jonah, A. E., and Etim I. G.
Department of Science Technology, Akwa Ibom State Polytechnic Ikot Osurua, Ikot Ekpene. Nigeria.
DOI – http://doi.org/10.37502/IJSMR.2021.4510

Abstract

The determination of some air pollutant and meteorological parameter in granite dump site in Uyo L.GA was carried out using standard analytical techniques. The pollutants monitored were NO₂, SO₂, H₂S, CO, NH₃, CO₂, Cl₂, HCN, TVOD, CH₂O, PM_2.5, PM₁₀, Temp, Relative Humidity (RH), Pressure and Wind Speed (WS). The results for the concentration of air pollutant and their Air Quality Index (AQI) reveals as follows NO₂ (0.14 + 0.08 (ppm); AQI = (140). SO₂ (0.19 + 0.105 (ppm): AQI = 38). H₂S (0.25 + 0.174 (ppm); AQI = 125). CO (3.03 + 2.313 (ppm): AQI = 151.5) NH₃ (6.16 + 6.100 ppm); AQI = 123.2). Cl₂ (0.30 + 0.14 (ppm); AQI = 300): HCN (1.73 + 0.67 (mg/m³; AQI = 17300). TVOC (0.74 + 0.80 (mg/m³); AQI = 148). CH₂O (0.08 + 0.1002 (mg/m³); AQI = 666.7). PM_2.5 (34.2 + 23.113 (μg/m³); AQI = 136.8). PM₁₀ (78.2 + 81.20 (μg/m³); AQI = 156.4). Temp (30.2 + 0.503⁰C). Relative Humidity (RHhhhhKH). (76.3 + 1.284%). Press (1004.1 + 2.73 (kpa). W. S. (0.63 + 0.66 (M/S). The result should NO₂, SO₂, SO₂, H₂S, CO, NH₃, Cl₂, NH₃, Cl₂, HCN, and TVOC. PM_2.5 and PM₁₀ were higher than the FEPA standard limit. Correlation analyses showed that, NO₂ and SO₂ exhibited strong positive relationships with CO₂, NH₃, TVOC and HCN. Hydrogen sulphide showed common source and strong correlation with NH₃, TVOC, CH₂O, PM_2.5 and PM₁₀ correlated positively and significantly while CO indicate negative correlation. Ammonia shows a strong correlation with CH₂O, TVOC, PM_2.5, PM₁₀ and RH at P<0.01. Since all the investigated parameter are above the FEPA stipulated limit, there is need for regular monitoring and legislation to avoid human health risk.

Keywords: Determination, Air Pollutant, Granite, Meteorological, and Parameter.

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