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Identifica??o e controle de riscos ocupacionais em pedreira da regi?o metropolitana de S?o Paulo

DOI: 10.1590/S0370-44672009000400014

Keywords: mining, work safety, occupational hygiene, quarry.

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Abstract:

crushed stone mining is the third largest mining economy in brazil, where almost half is produced in the sao paulo metropolitan region. the segment registers the highest number of accidents among the extractive industries, which justifies the concern with workers’ health and safety and the importance of controlling occupational hazards. since 2002, the nr-22 standard (nr-22: occupational health and safety in mining) makes compulsory the elaboration of a risk management program that identifies risks and establishes control measures. considering the crushed stone mining industry’s importance to the state, this paper evaluates and discusses the risks identified in unit operations during the production process of crushed stone in an open pit mine in order to propose control measures for the development of the risk management program. although this study refers to a specific quarry, it can be applied to other mines from the same sector, since some considerations are made regarding differences in manufacturing processes. the research was based on the identification of the main risks associated with drilling, blasting, load & haulage, crushing and screening through field measurements of some hazardous agents, together with company reports. the results contributed to the choice of the appropriate control measures for the improvement of workers’ health and safety conditions.

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