Chemical characteristics of sawing waste segregated of ornamental stones from Espírito Santo state. Although there are several studies suggesting the use of ornamental rocks tailing for the manufacture of tiles, bricks, tiles, among others, of large application in Construction, none of them until this moment has presented satisfactory and systematic studies of sludge residual chemical characterization. Such industrial waste of ornamental stones is highlighted due to the enormous environmental and visual impacts generated, because large volumes of material are generated daily in the sawdust of stone blocks. For the management of waste, the characterization is considered the most important stage and the one that guides attitudes to be taken in assigning the same. This work sought the provision of subsidies for the inorganic chemistry characterization of the sawing waste sector from ornamental stones from the Espírito Santo state, starting from a sampling segregated, commercial type of rock, which consisted in the collection of samples directly in the discarding of handlooms sawdust, after the passage of sludge by a hydrocyclone and, therefore, before being mixed in the effluent tank. For each collected sample, in the laboratory, pH values, moisture content, humid and dried solid contents, and metal content of environmental interest were obtained. In the determination of metal levels, AAS, F AAS and GF AAS analytical techniques were used, which indicated good correlations between Fe and total Ca and between total Cr and original pH. Furthermore, high pH values, resulting from the excess of lime used in industrial production, were detected for some wastes, showing, for some materials, a type classification of «Class I» - hazardous waste. The average moisture content of 44.3%, with 13% standard deviation, indicates that using water in the industry must be sustained further, but this appears to be a uniform consumption. This paper has suggested, as to the process of sawing blocks of stone, according to the obtained results, that it starts periodically monitoring industrial wastes for the pH and toxic metals levels parameters.