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In this research, a study of the determinants of risk and exposure on a particular matter was done in preparation for the areas of abrasive material. Qualification of chemical risks (inorganic powder) using the matrix triple irrigation was performed. In addition, the dust concentration in each position was evaluated using the rules NIOSH 0500 (total dust) and NIOSH 0600 (respirable dust) by statistical criteria NIOSH. Thus, their results are based on the gravimetric method. A sanitary survey todoi:10.19044/esj.2017.v13n6p224 fatcat:jb4dncv3abcwflyqipsilizmiq