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INTRODUCTION <br />The 1993 Annual Hydrologic Monitoring Report for the Bear Coal <br />Company, Inc., #3 Mine, is hereby submitted in accordance with the <br />Rules and Regulations of the Colorado Mined Land Reclamation Board <br />(MLR) and pursuant to the Colorado surface Coal Mining Reclamation <br />Act. <br />The Bear #3 Mine, operated by the Bear Coal Company, Inc., is <br />located along the North Fork of the Gunnison River approximately <br />1/4 mile east of somerset, Colorado, along State Highway 133. <br />Methods of analysis were consistent with EPA standard testing <br />procedures, the parameters of which are presented in Table 1 for <br />Groundwater. <br />GROUNDWATER MONITORING <br />Annual water samples were collected at monitoring stations AA1 and <br />AA3 using a hand bailer. YSI (Yellow Springs Instrument) Model #33 <br />was used to measure water quality, temperature, and conductivity, <br />and salinity in the field. The Ph levels were taken using a Cole <br />Palmer Model #5941-00 Ph meter. All other parameters were <br />determined by collecting samples in precharged bottles and <br />submitting them to ACZ Laboratories, Inc. of Steamboat Springs, <br />Colorado, for analysis. The results of ground water data collected <br />during 1993 are presented in Appendix 1. Graphs of the pertinent <br />water quality parameters are also shown in that appendix, along <br />with the quarterly field suites for the two wells. <br />RESULTS <br />In evaluating field test and water analysis reports, AA1 and AA3 <br />both saw a reduction in most of the pertinent water quality except <br />Alluvial Well AA3 in which conductivity showed an increase. <br />