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• 2.04.6. Therefore, the concentration of individual elements is the <br />detention basin are not toxic, but contribute to relatively high <br />levels of Total Dissolved Solids. <br />Based on analyses of water samples collected for several years <br />by the applicant and by several government and private agencies, the <br />only possible surface water quality concerns relate to Total <br />Suspended Solids and Total Dissolved Solids. The characteristic <br />alkalinity of surface aad ground water has prevented any significant <br />dissolution of manganese and iron, and no unusual toxicity or <br />ezcesaive alkalinity or acidity has ever been determined to occur as <br />a result of mining activities at the ezieting operations. A <br />detailed description of surface water quality is presented under <br />• Bule 2.04.7. Specific data on surface water quality are shown in <br />Table 29, Surface Water Quality Data. <br />METHODS OF P60TECTION AND MITIGATION <br />Sediment and Erosion Control Practices <br />CYCC intends to utilize numerous methods reflecting the best <br />technology currently available in order to minimize changes to <br />surface water quality and the prevailing hydrologic balance. in both <br />the proposed permit area and adjacent areas. These water quality <br />control measures will be implemented in order to prevent long-term <br />adverse changes in the hydrologic balance which could result from <br />• ID1IIlIIg. <br />2.05 - 139 <br />