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<br />Mr. Kent Gorham, CMLRD <br />June 2, 1992 -page 3 <br />If) Site GF-5: Trapper will immediately return to a List D requirement as per our approved monitor- <br />ing plan. The intent of this well was to monitor the extent and quality of the reestablished water <br />table in backfdled spoils (p-247). Approved TR-48 (7/31/90) replaced list D with list C on page 4- <br />247a for this site. Approved TR-54 also reduced this site to be biannual sampling requirement <br />because of data consistency. <br />lg) Site J-1: All TDS samples were taken but two were not reported in the data tabulation. The com- <br />pletedata set is 1512 (3/26), 1802 (6/28), 1998 (9/11) and 2336 (11/21). <br />lh) Site P-1: All TDS samples were taken but one wasn't reported. The complete data set is 1796 <br />(3/28), 1860 (6/28), 2024 (9/13) and 1804 (12/5). <br />C. Water Quality Analysis <br />la) Site P-8: Trapper shall submit a minor revision (MR) reestablishing well P-8 in 1992. Efforts to <br />restore the well's integrity is ongoing. Anew borehole and casing will be installed if the original well <br />cannot be salvaged. This MR shall be submitted prior to June 30th. <br />2a) No-Name TSS exceedance: Trapper stands by the reasoning for the exceedance as submitted to the <br />CDH-WQCD. Side slope meltout on western facing slopes at the spillway caused the higher sedi- <br />mentload. As an appropriate mitigative measure, these side slopes were seeded and appropriately <br />fenced to exclude livestock access in an attempt to modify the field conditions to assure future rep- <br />resentative sampling. Trapper understands the difficulty the Division had with this explanation but <br />hopes that a site visit in the winter of 1992-1993 confirming snow melt situations and discussions on <br />the last inspection (5128) will resolve [his issue. <br />D. Summary and Discussion of the Hydrologic Impacts <br />Attached are Hydro-Engineering's comments, addressing the Divisions' concerns, as faxed to Trapper <br />on 6/1/92. <br />Trapper is submitting under separate cover all the pages affected by these data corrections/additions for the <br />AHR (Hydro-Engineering to provide). Additionally, Trapper will submit all correct permit pages and tables <br />identified by the Division's review with PR3 in late June if acceptable. <br />If there are any additional questions or commenu, please contact William Harding or me. <br />Sincere <br />iG2 <br />William Agnew <br />Mgr. Environmental Quality <br />WSH/WAl1b <br />[CML.E2D\]UNEO2] <br />Enclosure <br />rile <br />