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• 2. Hvdrolocic Monitoriac <br />A. Surface Water - HG Coal Company continues to monitor two <br />surface water locations. The locations include two sites <br />near the reclaimed mine and shop area on Hayden Gulch. <br />Both locations are sampled on a semi-annual basis. <br />Water analysis data for both Upper and Lower Hayden Gulch <br />indicate no problems with water quality parameters. This <br />data is presented in Exhibit 1. <br />B. Groundwater - HG Coal Company continued groundwater <br />monitoring at the reclaimed minesite and reclaimed shop <br />areas. <br />The HG-2 well is monitored down dip of the reclaimed <br />minesite for quality and water level. No significant <br />changes in water quality were noticed during 1993. <br />The HG-1 well is monitored down dip of the reclaimed shop <br />area for water quality and level. Analysis of samples <br />taken during 1993 indicate no problems with water quality <br />parameters. <br />The UC-2 well is monitored for water depth. No changes <br />• have occurred. <br />Analysis data for the groundwater monitoring is found in <br />Exhibit 4. <br />• <br />2 <br />