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Sediment control measures will be employed for any areas of significant earthwork. Storm water <br />runoff will be controlled per state regulations. <br />The site will be kept clear of any loose trash that could blow into adjacent areas. <br />Fuel batteries will be placed either in tanks or in lined bermed areas to provide secondary <br />containment, per state regulations. <br />As our initial reconnaissance of the mineshaft indicates that the mine will not need to be <br />dewatered during the project, water discharge is not planned. All waste material and <br />construction debris will be disposed of in accordance with Federal, State, and County regulations <br />at an offsite location. <br />Photographic and Laser Surveys and Other Geologic Research <br />Shell proposes to enter the mine and perform geological reconnaissance, panoramic photographic <br />and LIDAR (Light Detection and Ranging) surveys of the 1$40', 2130', 2230', and Greeno <br />levels. <br />We propose to either remove several large rock samples up to 3 ft x aft x aft in size for <br />additional offsite laboratory testing, or to core samples from large boulders while underground <br />using a portable backpack-type drill. These samples will be taken from existing boulders that are <br />present already in stopes or drifts, without new excavation and all samples will be removed from <br />the site. <br />Various lab tests will be performed on the samples in order to characterize the mechanical, <br />thermodynamic, and geological properties of nahcolitic oil shale, marlstone, nahcolite and <br />related rock. Fischer Assays may be performed on some samples. <br />Additionally, in-situ rock mechanics testing will be performed inside the mine so that the <br />mechanical properties of the rock can be determined. <br />The rock mechanics in-situ testing equipment to be used inside the mine may include: <br />1. Dilatometer/borehole jack - & backpack-type drilling equipment (for small diameter <br />holes used in the test) <br />2. Flat jack & rock saw (for slot cutting required for flat jack tests) <br />3. In-situ jacking test/plate-bearing test - use of hydraulic jacks & backpack-type drilling <br />equipment (for small diameter holes for Multiple Point Borehole Extensometers (MPBX) <br />used to determine rock displacement. <br />Security <br />Because the shaft will be accessible during this work, a series of safety and security measures <br />will be implemented to prevent access to the mineshaft by unauthorized personnel.