Nigeria is rich is solid mineral resources, such as: Kaolin, gypsum, mica, clay, tantalite, iron ore, gemstone, silica sand.
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2.3 Environmental Problems of Dust and Noise Pollution . ... be local beneficial effects if the quarry dust is ... is of concern to human health and prolonged exposure to such noise . leads to ...
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conclusion, the result showed a significant relationship between quarry activities and dust-related health problems because exposure to dust particles can have major health implications. Therefore, the quarry workers should be encouraged to comply with personal protective equipment to protect their health and others.
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7. Dust Pollution As quarries are open-air mines, they can spread dust pollution. This can spread harmful compounds into the surrounding area. Should layers of dust settle in other areas, it can kill plants as they can no longer photosynthesize as well as halt the growth of seedlings if they are completely sheltered from the sun.
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The study aimed at assessing the quarrying activities in relation to dust-related health problems among quarry workers in Ebonyi State, Nigeria. The study employed a cross sectional study that deals with observation that involved the assessment of dust particles, interview of participants with a well-structured questionnaire.
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Medicine and the Health and Safety Executive's Epidemiology and Medical Statistics Unit (EMSU) designed to answer the following research questions: what are (1) the relationships between indices of exposure to respirable dust, including silica, and radiographic abnormalities in quarry and ex-quarry workers and (2) the relationships
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Chronic exposure to granite rock-crushing dust is a major risk factor for respiratory problems in quarry workers. A cross-sectional study was conducted to determine the relationship between respirable dust exposure and respiratory health among granite quarry workers in Pulau Chondong, Kelantan. A purposive sampling method was used to choose the ...
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Table 5 shows a negative correlation between the 308 Cumulative Effect of Quarry Dust on Respiratory Health of Stone Quarry Workers duration of exposure to dust among stone quarry workers (Figure 2) in FVC, FEV1, FEV1/FVC (%), PEFR, FEF25-75(L's) and MVV (L/min) which was statistically highly significant (P<0.001**).
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of the dust, the workers are exposed to inhalation of silica bearing dust thus being at risk of developing silicosis, a fatal lung disease. The aim of this study was to find out the occupational health risks posed by quarry induced dust to the quarry workers at four quarry sites in Akamkpa Local Government Area of Cross River State.
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Objectively the study assessed the amount of silica emitted in quarry dust emissions from selected Namibian quarry mines in compliance with national and WHO Air Quality Standards. Secondly, this study made an evaluation of health risks connected to …
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The study aimed at assessing the quarrying activities in relation to dust-related health problems among quarry workers in Ebonyi State, Nigeria. The study employed a cross sectional study that deals with observation that involved the assessment of dust particles, interview of …
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pozzolana quarry dust; concentration of silica, chromium, cadmium and lead in the dust; and to assess the quarry workers awareness of the safety and the health risks in the quarry. Purposive and random sampling was used to get 110 ... risk of respiratory, skin and eye health problems. It is recommended that measures should be put in place to ...
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The American review of respiratory disease, 143, 1215-1223. Ghotkar, V.B., Maldhure B.R. and Zodpey, S.P. (1995). Involvement of lung and lung function tests in stone quarry workers. Indian Journal of Tuberculosis, 42, 155-60. Halwenge J.A. (2015). Dust Pollution and Its Health Risks among Rock Quarry Workersin Kajiado County. PhD Thesis.
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Quarry dust control measures are not implemented, and quarry workers are exposed to dust that increase their risk of respiratory diseases. The study was done in 2 quarries in Kayole (Mihang'o and Matopeni ward) which are mainly involved in stone digging and crushing.
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306 Cumulative Effect of Quarry Dust on Respiratory Health of Stone Quarry Workers respiratory problems [3–4]. Particles above 10 microns are
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Quarry dust is unavoidable. Using the latest dust suppression technology, operators can improve safety and stay compliant during blasting & mining. ... (RCS) can cause serious chronic health consequences later in life. …
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Blasting, crushing and emission of noxious gases cause air pollution and ground vibration, which can, as a consequence, have negative impacts on people's health and well-being. In Fujairah, a quarry in Al Taween has caused distress to some residents, many of whom have had breathing troubles and developed health problems, including chronic ...
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Quarrying of rocks and minerals has contributed to the economic development of many nations. However, dusts generated from these quarries have caused environmental and health challenges. Health risk assessment of the environments around quarries in southwestern Nigeria was, therefore, carried out to delineate the effects of quarrying on the environment. …
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pollution problems. Quarry dust waste is generated during the crushing process of rock. The waste can cause land disposal, health and environmental problems. To reduce ... This will lead to landfill disposal problems, health and environmental pollution. This quarry dust is considered as solid waste material. 3.5.1 Physical properties of quarry ...
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Chronic exposure to granite rock-crushing dust is a major risk factor for respiratory problems in quarry workers. A cross-sectional study was conducted to determine the relationship between ...
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Coarse particles larger than 10 micrometers in diameter are usually filtered in the nose and throat, thus not causing significant health problems, while fine particles (1–10 micrometers), as in quarry dust particles may have larger adverse health effects as they can reach the bronchi …
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Respirable dust in quarry operations Respirable dust is generated during quarry operation activities such as extraction, drilling, crushing, screening, hauling and stockpiling aggregates and construction materials such as road base and manufactured sand. Quarry workers may be exposed to inhalable and respirable crystalline silica dust.
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When silica dust is inhaled over time, the tiny particles cause scarring and inflammation. This leads to the formation of lung nodules, which may be a sign of lung cancer. The scarring can also become so severe it stiffens …
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Request PDF | Emission of respirable dust from stone quarrying, potential health effects, and its management | Mining of minerals exerts adverse pressure on different …
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1. Stone crushing dust have negative effect on the health of workers of quarry industry. 2. Stone crushing dust may affect source of water supply. 3. The management has not provided protective devices to the workers. 1.11 OPERATIONAL DEFINITION 1. Pollution: - This is the presence or introduction of substance in the concentration than normal ...
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The present study is undertaken to determine the concentration of respirable dust (PM 10 and PM 2.5) at locations associated with specific source of emission in a sandstone …
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Visible dust (larger particles) is also created by movement of front-end loaders, mining trucks, transfer conveyors, excavators, bulldozers, and utility vehicles. Over 80 formal complaints have been filed against Vulcan in Texas …
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Quarry dust is the inorganic substance given off as fine dust particles in the air during quarrying process. It comprises of coal, carbon, asbestos, iron and mostly silica which has the ... that number of health related problem could arise even under condition in which simple tools such as picks are used to quarry grind stones. Nigeria, like ...
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Quarry dust powder is the waste generated from Manufactured Sand (M Sand) units and constitutes to 30-40% of the total quarry dust produced. When dry, it turns into fine dust that causes severe ...
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PE series jaw crusher is usually used as primary crusher in quarry production lines, mineral ore crushing plants and powder making plants.
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