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(Page 2) <br />MINE ID # OR PROSPECTING ID # M-2002-111 <br />INSPECTION DATE 3-6-2003 INSPECTOR'S INITIALS SSS. HBH <br />OBSERVATIONS <br />This was pre-operational inspection was conducted to allow Bruce Humphries, DMG s Minerals Program Supervisor, the <br />opportunity to observe and evaluate conditions that comprise this proposed mine site. Also, the route of the proposed re- <br />alignment of the settling pond discharge pipe and NPDES ouffall were inspected. <br />An overview of the site was conducted, paying special attention to key locations such as the area proposed for the interception <br />trenches, current and proposed monitoring and detection wells, areas of the initially proposed settling pond and relocated <br />settling pond, the initial excavation area, revised permit and affected area boundaries, and the above noted discharge corridor. <br />Significant clean-up of the two elongated basinsjust west of proposed Phase 1 and Phase 2 areas has been accomplished <br />since the first pre-operational inspection of this site. The contaminated material was reportedly transported to the CAMU for <br />disposal. Some stained soils are still evident within these basins. <br />It was noted that the flow volume in the side channel of the Colorado River, proposed as the receiving stream for the settling <br />pond discharge, is currently several orders of magnitude less than the main river channel, as was noted by the Division of <br />Wildlife personnel in our previous conferences regarding this application. Elam should be aware that the discharge permit <br />effluent limitations may be lowered, upon further review by the Colorado Department of Public Health and Environment, <br />potentially requiring revisions to the groundwater monitoring and handling plans. <br />Several options for location of the outtall were observed. Due to the proposed high discharge rate, all of the locations appeared <br />to have potential for erosion of the stream channel or bank. Elam Construction will need to ensure that the outtall area will not <br />be subject to erosion. If any significant structures, such as large armored aprons or channels need to be constructed to make <br />the ouffall stable, then this disturbance will most likely be required to be within the permit boundary. At the time of the <br />inspection, some highway improvement construction was taking place on the east side of the Colorado River bridge, just down <br />stream of the proposed outtall location. The construction appeared to consist of some channel and bridge abutment armoring. <br />If this improvement construction is to be carried over to the west side of the bridge, Elam Construction, Inc. may be able to <br />work with the CDOT to incorporate an armored ouffall into that construction design. If this design does not significantly alter <br />CDOT s design, then the permit boundary of the proposed Gilsonite Pit may not have to be revised to include this feature. <br />Responses to this inspection report should be directed to Steve Shuey at the Division of Minerals and Geology, Grand Junction <br />Field Office, 101 South 3rtl Street, Room 301, Grand Junction, Colorado 81501, phone number 970-243-6368. <br />I & E Contact Address <br />NAME Harold Elam <br />OPERATOR Elam Construction, Inc. <br />STREET 1225 South 7'" Street <br />CITY/STATE/ZIP Grand Junction, Colorado 81501 <br />cc: Carl Mount -Denver DMG <br />^ CE <br />^ BL <br />^ FS <br />^ HW <br />^ HMWMD (CH) <br />^ SE <br />^ WOCD (CH) <br />^ OTHER <br />