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  • Why is Silica Hazardous? Silica Safe

    The dust created by cutting, grinding, drilling or otherwise disturbing these materials can contain crystalline silica particles. These dust particles are very small. You cannot see them. This respirable silica dust causes lung disease and lung cancer. It only takes a very small amount of airborne silica dust to create a health hazard.

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  • Best Practices for Dust Control in Metal/Nonmetal Mining

    Respirable silica dust exposure has long been known to be a serious health threat to workers in many industries. Overexposure to respirable silica dust can lead to the development of silicosis— a lung disease that can be disabling and fatal in its most severe form. Once contracted, there is no

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  • eLCOSH : Silica: The Deadly Dust

    However, workers were not warned of the health risks and were provided no protection from the dust exposure. In New England workers involved in the granite stonecutting in the tombstone industry were another group of workers who contracted silicosis at a high rate. The expression "carving your own tombstone" came from this group of workers.

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  • Silicosis Wikipedia

    Because of workexposure to silica dust, silicosis is an occupational hazard to mining, sandblasting, quarry, ceramics and foundry workers, as well as grinders, stone cutters, stone countertops, refractory brick workers, tombstone workers, workers in the oil and gas industry, pottery workers, fiberglass manufacturing, glass manufacturing, flint knappers and others. Brief or casual exposure to low levels .

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  • Dangers of Rock Dust

    In short, yes, one or a few exposures to significant amounts of freshlycut rock dust can cause serious problems. Silicosis is only one of many lung problems that can be caused by rock dust, many of which (like fibrosis) can occur no matter what the composition of the rock.

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    Dec 10, 2013· An increased incidence of tuberculosis has been observed among workers in the mining, quarrying, and tunneling industries and in workers in steel and iron foundries. 9 The primary prevention of silicosis through exposure controls is important because .

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  • Health Hazards of Mining and Quarrying ILO Encyclopaedia

    Miners' exposure varies with the job, its proximity to the source of hazards and the effectiveness of hazard control methods. Airborne Particulate Hazards. Free crystalline silica is the most abundant compound in the earth's crust and, consequently, is the most common airborne dust that miners and quarryworkers face. Free silica is silicon dioxide that is not chemically bonded with any other .

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    Stone dust is like a coarser version of sand. It is often a byproduct of running stones through a crushing machine to make crushed stone. Its exact composition will obviously depend on what kind of stone was run through the machine. For instance, sometimes granite is run through such a machine; in other cases, it could be limestone, for example.

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    from the Pomona stone quarry to the receptor m unity The study also analysed the pH of soils around the mine, Silicon Dioxide SiO 2 and Aluminium Dioxide Al 2 O 3 levels in quarry dust According to the records from Mt Pleasant clinic Out Patience Department, 17 Vainona residents have been treated for dust related dis . Live Chat

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    Pulmonary Problems among Quarry Workers of Stone Crushing Industrial Site at Umuoghara, Ebonyi State, Nigeria Background: Respiratory problem is one of the major health hazards in dustexposed workers; it is a major cause of morbidity and mortality all over the world.

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    exposure, job profile and smoking on lung function of stone quarry workers from Jammu city, Jammu and Kashmir State, India. Methods: A crosssectional study was carried out among 100 male stone crusher workers, selected through multistage random sampling technique. Effect of risk factors on the pulmonary function tests of the

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    Administrative controls that involve changing the way the work is done can limit the risk of silica dust exposure. For example, providing workers with necessary education and supervision; developing a written exposure control plan for silica; posting warning signs in the work area; scheduling crews to work as far away from silicadust generating activities as possible; providing adequate washing facilities on site; .

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    The controlled collection of granite dust from industrial facilities will reduce the amount of silica in the air thus reducing the risk of silicosis . Workers involved in manufacturing, grinding, finishing, and installing natural and manufactured stone and granite countertops are at .

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  • Control of exposure to silica dust Health and Safety ...

    Cigarette smoking can make it worse. Lung cancer: Heavy and prolonged exposure to RCS can cause lung cancer. When someone already has silicosis, there is an increased risk of lung cancer. The health risks from RCS are insignificant when exposure to dust is adequately controlled – you do not need to become ill through work activities.

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