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Physical And Chemical Properties Of Soil, Water And Air Around Ukawu Pb-Zn Mine, Southeastern Nigeria, Nwachukwu Arthur Nwachukwu, Sikakwe Gregory Udie, Eluwa Ndidiamaka Nchedo, Uwa Clementina Ukamaka, Oluwatoyin Oluwatosin Olaosebikan

Makara Journal of Science

In this study, analysis of water, and soil samples, air quality, and noise levels in Ukawu Pb-Zn mine were examined. The pH of the water samples, at 6.7, exceeded permissible levels for potable water established by the National Environmental Standard Regulatory Agency (NESREA), European Union, and World Health Organization (i.e., 7.0-8.5). The soil pH was 5.2, which indicates acidity due to acid mine drainage. Low soil pH is evidence of acid mine drainage. All cations detected in water and soil were below standard limits considered harmful by the NESREA. Measurements of precursor gases, such as O₃, NO_{2 …}