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July 8, 1992 <br />Page 5 <br />MLRD Concern <br />Ponds <br />1) All requirements were met. <br />TCC Response <br />No response required. <br />MLRD Concern <br />Springs <br />All requirements were met. <br />TCC Response <br />No response required. <br />MLRD Concern <br />Water Quality Analysis <br />Bedrock Wells <br />The statement is made "the data for well 006-83-48C does indicate that the water <br />quality has been affected by migration of fluids from the cemented zone of the well <br />into the open area of the well". Please provide the evidence that led you to this <br />conclusion. The predicted hydrologic impact on the Trout Creek sandstone aquifer is <br />"no impact"; however, it does not appear the existing Trout Creek wells are <br />appropriately monitored to determine impact, if any. If the well is indeed <br />contaminated, a new well needs to be installed. please submit a minor revision to <br />install a new Trout Creek well and to change the monitoring requirements for that well <br />to semi-annual level and field parameters as well as semi-annual full-suite quality <br />measurements (the same requirements as well 001-83-106). <br />TCC Response <br />As previously discussed, TCC verbally requested that the decision on whether to <br />replace the referenced well be delayed until the data could be reviewed by the <br />consultant writing up the 1991 AHR to determine if an outside party concurred with <br />our conclusions. As such, TCC has not submitted the requested minor revision at this <br />time pending further discussion of the options and the determinations of the <br />consultant. The referenced assessment concerning possible contamination of the well <br />is based upon the elevated pH readings obtained. This has been attributed to the <br />possible degradation of the grout from the cemented portion, which appears to have <br />