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This study investigated the spatial distribution and radiological health effects of quarrying activities in ten quarry sites in three districts (Odeda, Ajebo, and Ijebu Ode) around …
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Research into potentially negative radiological impact of quarries has been focused on the exposure of quarry workers to ionising radiation (5, 6, 7, 8) and on radioactive content analysis …
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The radiological impact of quarry activities on workers and local residents due to the presence of naturally occurring radionuclides have been investigated for two quarry industries.
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Since the forest trails in the Park lead right up to the quarries, we believed it was important to determine the radiological impact of the quarries on the Park environment. We …
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Background: In 1997, a Monograph from the International Agency for Research on Cancer (IARC) classified occupational exposure to crystalline silica as carcinogenic to humans. Large amounts of epidemiological data have been …
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quarry products can help determine activity levels and assess any potential radiological hazards to workers and residents in and around quarry areas, as well as to individuals living in houses …
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LUNG FUNCTION TESTS IN STONE WORKERS Table 3: Mean values of pulmonary function (Females) Age Group (Years) Mean FEV1 X±2SE Mean FVC X+2SE Mean FEV,/FVC% X …
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om the earth. The natural radioactivity in rock comes from thorium (232Th) and uranium (238U) series and potassium (40K). Quarry activities which involve blasting, crushing and processing …
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Background: Respiratory problem is one of the major health hazards in dust-exposed workers; it is a major cause of morbidity and mortality all over the world. Objective: To determine the …
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Considerable pulmonary function impairments have been reported in quarry workers.9,10 In a study by Ghotkar, et al,11 the prevalence of respiratory morbidity among stone quarry workers …
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Radiological Health Implications of Radiation Levels In Rock Fragments From Quarry Sites In Akamkpa, South- ... harmful effect on man and other biotic organisms in the environment. …
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Solutions de distribution. Thèmes. Architecture et design Arts Business et économie Chimie Chimie industrielle Droit Géosciences Histoire Informatique Ingénierie Intérêt général …
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quarry business. This has led to the rapid increase in quarry activities, quarry sites, and increased environmental pollution in its rural communities. Owing to the abundance of sedimentary rock …
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Torr Quarry, Somerset. Aggregate Industries manages Torr Quarry, a significant limestone extraction site among the Mendip Hills' eight quarries. The quarry is a significant employer in the area, providing over 100 jobs, and is estimated to …
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The measured activity concentrations of 40 K, 232 Th, and 238 U from the examined quarry sites were also found to be comparable to those of the peripheral soils, suggesting that the radiation ...
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In Nigeria specifically, environmental risk assessment is yet to be incorporated in the guidelines of setting up quarry site. Most of the radiological assessments of quarry rocks …
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Guidance on the provision of barriers in quarries. The Health and Safety at Work etc. Act 1974 further requires that the employer (normally the Quarry Operator) makes sure that the conduct …
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The rock fragments are further processed at the processing mill (situated near the quarry) into different sizes. Non-nuclear mining and milling industries have the potential of …
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Ionizing radiation has short-term and long-term effects on health particularly associated with the Naturally Occurring Radionuclides (NOR). The short-term effect should be …
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This Research involves radiological study to assess the marl layer in the Euphrates Formation (Early Miocene) as a raw material for Portland cement industry. Nine wells are …
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Quarries are considered a potential source of increased radioactivity, as stone digging can bring material containing increased radioactive content to the surface (3, 4).
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This study has found 32.5% prevalence of respiratory morbidity In stone quarry workers, on the basis of radiological appearance. However, no case of silicosis was detected. ... Irrespective of …
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and medical and industrial applications. Natural radiation from NORMs constitutes about 87% of the radiation doses received by humans (Shetty and Narayana, 2010). Moreover, they give …
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Request PDF | Comparative Study on Radiological Impact of Quarry Industries: a case study of Johnson Quarry, Ondo State and Irepodun Quarry, Osun State, Nigeria | The …
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However, research of radiological effects of a quarry on its surroundings is not common. ... Wasum R. Mosses as indicators of atmospheric metal deposition in an industrial area of …
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ry effects, 6 such as chronic bronchitis, em - ... based on radiological study; the severity ... worker had spent working in the quarry industry (i.e., the duration of exposure to
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Abstract: The radiological impact of quarry activities on workers and local residents due to the presence of naturally occurring radionuclides have been investigated for two quarry industries. …
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quantities to the atmosphere of the work environment. This dust particle have very harmful effect on the health of workers of quarry industries, that is why a decision to carry out a research on …
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Paraclinically, radiological signs of pulmonary fibrosis were objectified in 12 cases and emphysema in 4 cases, a restrictive ventilatory disorder was found in 4 cases.
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The potential occupational exposure in granite quarry industry due to the presence of naturally occurring radioactive material (NORM) has been investigated. The activity …
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The radiological impact of quarry activities on workers and local residents due to the presence of naturally occurring radionuclides have been investigated for two quarry industries.
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Extraction of Limestone is an economically important and widespread activity in Ghana and has existed since historical times. However, in spite of its remarkable contribution towards …
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The stone‐cutting industry mainly deals with mining, masonry ... This finding may be due to the toxic effect of silica dust exposure causing early quitting from the job or death of the workers. …
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