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EFFICIENCY OF LEACHING TESTS IN THE CONTEXT OF THE INFLUENCE OF THE FLY ASH ON THE ENVIRONMENT

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Table 2. Physicochemical properties of fly ash (the results presented reflect values of data taken from 10 samples)
Table 3. Summary of the concentrations of Cu, Pb and Zn in the soluble forms and relative leaching of these metals by USEPA TCLP and ASTM procedures (concentration of metal in the fly ash and the confidence interval were given for n = 10 at p = 95%)
Figure 1. Relation between leachability of Zn, Cu and Pb  and total concentration this metals in fly ash after the TCLP test used
Figure 2. Content of Zn in the soluble forms in the fly ash with different grain diameter of ash obtained by the use of the leaching test (USEPA, TCLP) and determined by FAAS method
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