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3 .,.~ <br />4.05.13 Surface and Ground Water Monitoring <br />(1) Ground Water <br />• Revised:04/07/89 <br />Water depth will be monitored in wells 30C and 33B <br />twice annually. Monitoring will be conducted after the <br />spring runoff, in conjunction with the rill and gully <br />inspection, and at the end of the summer, in conjunction <br />with the vegetative cover sampling. Walden Coal Company <br />will examine the reclaimed area for springs and seeps. <br />A report containing the data collected will be <br />submitted to the Division no later than January 31 of the <br />following year. <br />Samples will be taken from these wells with a grab <br />sampler if there is sufficient water. The sampler will <br />be rinsed three times (if there is adequate water) with <br />well water before each sample is taken. Five hundred <br />milligrams of water will be taken from each well and sent <br />to the laboratory for analysis. All analyses will be <br />performed using standard E.P.A. procedures. The sampled <br />water will tested for pH, SAR, total dissolved solids <br />(TDS), sodium, potassium, calcium, magnesium, iron, lead, <br />chloride, bicarbonate, and sulfate. <br />(2) Surface Water <br />Walden Coal Company will no longer monitor surface <br />water at the Bourg Mine. The surface water quality <br />monitoring requirements will be met through annual rill <br />and gully inspections and vegetative cover monitoring. <br />