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Mr. Marcus Middleton -2- <br />8. Please submit a revived map with all <br />~"~' all pond locations spotted with their <br />-,~^¢ labels (e.i., pond A (Site 39)). <br />~' Monitoring frequency <br />Bedrock Wells <br />All requirements were met. <br />September 10, 1991 <br />of the above corrections and <br />appropriate discharge station <br />Alluvial Welis <br />The July sample for Well 006-AW-2 is missing. Please explain this <br />omission. <br />Spoil Welis <br />The semi-annual quality testing for 1990 consists of 2 Fall tests <br />rather than Spring and Fall testing. The intention of the plan is to <br />conduct semi-annual quality testing approximately 6 months apart to <br />assess seasonal variation in the measurements. Please explain the <br />discrepancy. <br />Surface Water <br />1. There are no water level readings for Site 304 in April, May, July <br />and September. Please explain. <br />2. Sit= 800 only has 11 samples rather than the required 1Z. Please <br />explain. <br />3. Site 8 is missing one measurement for field parameters. Pleasa <br />explain. <br />Ponds <br />All requirements were met. <br />Spoil Springs <br />All requirements were met. <br />Water Quality Analysis <br />Bedrock '.Jells <br />I concur with the statement that 006-82-74C and 009-79-4 appear to be <br />affected by seepage from the spoils aquifer with regard to EC, <br />dissolved solids antl 5ui°ate. However, it is not apparznt that <br />026-79-4 is affected, as quality analysis shows the EC, TDS and <br />sulfate to be considerably lower. Generally, it appears that the <br />bedrock wells higher in the drainage have overall better quality than <br />wells lower along the drainage, which seems logical. <br />