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December 10, 2024 C-1981-018/Deserado Mine TJ1 <br /> <br /> <br />Number of Partial Inspection this Fiscal Year: 4 <br />Number of Complete Inspections this Fiscal Year: 2 <br /> <br /> Page 4 of 12 <br /> <br />Hydrocarbons are being stored in accordance with best practices and the approved SPCC Plan. Fuel is stored in <br />double walled tanks near the haul road leaving the facilities area. The double walled tanks are also within a berm. <br />55-gallon drums of hydrocarbons are properly stored within containment (Photo 10). The berm that provides <br />containment appears to be in good condition and able to contain spills. No hydrocarbon spills were observed <br />outside of containment. <br /> <br />PROCESSING WASTE/COAL MINE WASTE PILES – Rule 4.10 and 4.11 <br />Drainage Control; Surface Stabilization; Placement: <br /> During the inspection the RP-2/3/4 Refuse Pile was observed to be stable. Minor erosion rills on the slopes <br />of the pile have been noted in previous Division inspection reports and have not enlarged in a significant way. <br />Minor amounts of snow are present on the northern embankments of the stack. <br />The RP-5a Pile appeared stable during the inspection. Erosion on the slopes of the pile has been noted in previous <br />Division reports. Similar to the RP-2/3/4 Refuse Pile, these rills have not enlarged since the previous inspection. <br />There were no signs of displacement or slumping on the refuse pile. Minor amounts of snow are present on the <br />northern embankments of the stack. <br /> <br />ROADS – Rule 4.03 <br />Construction 4.03.1(3)/4.03.2(3), Drainage 4.03.1(4)/4.03.2(4), Surfacing and Maintenance4.03.1(5) and <br />(6)/4.03.2(5) and (6), Reclamation 4.03.1(7)/4.03.2(7): <br /> The Haul Road was clear and well maintained. There we no sections with ruts or other road damage. The <br />road surface had no noticeable dust. The ditches that parallel the roads appear to be stable and able to convey <br />water. Some of the auxiliary roads had minor amounts of snow and mud. <br />CR-65 had no surface cracks or other indications of road damage due to subsidence. County road crews were <br />working to clean ditches that parallel CR-65. Access roads throughout the mine site were traversed during the <br />inspection. Roads were stable and no erosional features were identified. <br /> <br />RECLAMATION SUCCESS - Rule 4.15, Rule 3: <br /> The RP-1 refuse pile has been reclaimed for several years. Vegetation is well established and protects the <br />pile. No indications of instability of erosion were observed. The perimeter diches appear stable with no erosion <br />concerns (Photo 11). <br /> <br />SUPPORT FACILITIES - Rule 4.04: <br /> Support facilities that were inspected include the main facilities/portals area, B Seam Vent Shaft #1, RDH- <br />2, RDH-4, the conveyor corridor, Slot Storage and Process Water Tank. The main facilities for the Deserado mine <br />are composed of three benches. The lower bench contains the mine, office, shop, and portals. The middle bench <br />contains the prep plant, and the upper bench contains a materials laydown yard and electric substation. The <br />drainage structures in the main facilities area were functioning correctly. There were no indications of erosional <br />features on the three benches and berms were in good condition. The safety fence surrounding the electric <br />substation was in good condition.