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Logan Wash Mine Annual Report <br /> Permit No. M-1977-424 <br /> Areas Not Under Reclamation <br /> Areas currently not expected to be submitted for reclamation release in the near future are the <br /> Lower Bench(Area 3, 2.1 acres),the Lower Bench Road(Area 13, 1.5 acres), the Upper Access <br /> Road(4.8 acres)and the Evaporation Pond Access Road(1.3 acres), and the Evaporation Pond <br /> and Pipeline(Area 23, 10.2 acres). In addition,the lower segment of the Lower Access Road, <br /> approximatelyl.4 acres, will be reclaimed after final mine closure. This portion of the road is <br /> used to access Well LWCW-1 A and the Upper Manhole monitoring locations. These unreclaimed <br /> surface areas comprise an approximate total of 21.3 acres. <br /> Areas To Be Requested For Release <br /> Table 1.0 shows that the estimated actual disturbed acreage was 135.2 acres and of this amount, <br /> 61.7 acres was not to be reclaimed because Logan Wash Road is to remain in place for other <br /> users, and a parcel of land was transferred to Chevron.Therefore,the total estimated acreage <br /> requiring reclamation is 73.5 acres. <br /> OOSI anticipates requesting release of warranty for portions of Areas 1 (13.4 acres), Area 2 (0.7 <br /> acres), and Areas 4 (4.3 acres), and 10(0.2 acres),the revegetated portions of Area 13 (Upper <br /> Bench Road, 1.4 acres, and the upper portion of the Lower Access Road (0.4 acres), and the Soil <br /> Barrow Area(0.7 acres) in the near future. These revegetated areas total approximately 21.1 <br /> acres. <br /> As of this reporting period, approximately 31.3 acres have been released of warranty, 21.1 acres <br /> are under reclamation, and 21.3 acres are not currently under reclamation. Therefore, a total of <br /> 42.4 acres require release at this time. It is anticipated that most of the acres under reclamation <br /> will be submitted for warranty release in the near future. <br /> The following table summarizes reclamation status at Logan Wash Mine. <br /> Acreage Status Category Estimated Acreage <br /> Total original disturbed/used acres 135.2 <br /> Acres not to be reclaimed (Logan Wash Road, Chevron land) 61.7 <br /> Total acres requiring reclamation 73.5 <br /> Total acres released to date 31.3 <br /> Total new disturbed acres this reporting period 0.0 <br /> Total new acreage under reclamation this reporting period 0.0 <br /> Total acres under reclamation to date 21.1 <br /> Total estimated acres not currently under reclamation 21.3 <br /> Total estimated reclaimed acres needing release 42.4 <br /> 3.0 Monitoring Activities in 2016 <br /> Monitoring activities at the Logan Wash Mine during the reporting period consisted of periodic <br /> monitoring of mine water discharge and related sampling activities. These activities included: 1) <br /> discharge measurement of the mine water at LW-001 (former Colorado Discharge Permit System <br /> [CDPS] Outfall 001)and retort water; 2)semi-annual sampling of the mine-water discharge and <br /> retort-water discharge, groundwater at Wells LWCW-IA and LW-22A, and surface water at the <br /> Big Seep sample location; 3) measurement of the manometer installed in the Research Mine <br /> Western Water & Land, Inc. 6 <br />