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• 4.8.2.4 Operational Groundwater Quality <br />• <br />• <br />Data from numerous water samples of wells GA -1, GA -3, GB -2, GB -5, GD -1, GE -1, GE -2 and GE -3 are <br />given in Table 4.8-10 for the operational groundwater monitoring. Data from these same wells prior to <br />mining are given In Table 2.7-22. Map M52 shows the locations of each of the monitoring sites. <br />Results of one analysis of water from the wells GF -1, GF -2 and GF -3, and two analyses of samples <br />from wells GBB-1, GBB-2 and GBB-3 are given in the operational water quality Table 4.8-10. Data <br />from chemical analysis of samples from two seeps near the old Empire Energy pit are given in Table <br />4.8-10, also. <br />Most parameters have not demonstrated any significant change in concentration since mining has <br />started. The iron concentration in the water from well GA -1 is an exception. Well GA -1 is completed in <br />the Q and R coal seams. These seams are being mined approximately 2500 feet east of well GA -1 in <br />the Enfield pit. Flow patterns should be mainly to the north in this area of the Q -R aquifer system. <br />4-227b <br />Pr;- 4 <br />