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.' <br /> <br />Mr. Marcus Middleton -3- July 29, 1993 <br />Twentymile Coal Company <br />Alluvial Wel/s <br />All requirements were met. <br />Surface Water <br />1 . There were no May values for site 7. <br />2. No June level was shown for Site 305 or Site 307. <br />3. There are no flow values for site 800. <br />Discharge and Pond Sites <br />All requirements were met. <br />Springs <br />1 . Most metals are missing from the November sample of spring 303-1 . This was also <br />the case in the previous year, and the response indicated this was appropriate as per <br />the plan. Please explain. <br />Water Quality Analysis <br />Bedrock Wells <br />1. Well 006-83-48C will be replaced as per the minor revision (MR-92) issued 7/23/93. <br />Monitoring will begin with the 1994 water year (October 1993 sampling). This well is <br />apparently contaminated by casing grout, accounting for the high EC readings since <br />1989. <br />2. Well FBR-11A, a Wadge overburden well recently acquired from Pittsburg & Midway, <br />shows dissolved solids in the 2000 ppm range. This is double the baseline Wadge <br />TDS. What is the explanation for the elevated TDS observed? Does P&M have any <br />baseline monitoring data for this well? <br />Alluvia/ Wells <br />1. Why does 008-AW-3 show a much higher EC reading than its upstream cousin <br />008-AU-3? Approximately 1 /3 to 1 /2 mile separate these Fish Creek alluvial <br />wells. <br />Surface Water <br />1. Fish Creek from site 16 downstream, Foidel Creek from pond A downstream, Middle <br />Creek from M3S pond downstream, and Trout Creek from the Middle Creek confluence <br />