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24. The Applicant submitted comments from CGRS dated July 1, 2010. The comments <br />address the impacts of impermeable barriers on groundwater hydrology in an <br />unconfined flow regime. Please clarify if the pit will be lined or if there are <br />subsurface barriers which may impact the flow of groundwater, or otherwise explain <br />how these comments pertain to the mining operation. <br />6.4.8 Exhibit H - Wildlife Information <br />No comment. <br />6.4.9 Exhibit I - Soils Information <br />25. The Applicant has indicated the topsoil will be windrowed around the perimeter of <br />the reservoirs. Does this include the portions of the reservoirs that lie within the <br />floodplain? All product, overburden, and topsoil stockpiles should be located outside <br />the boundaries of the 100-year floodway, if possible. <br />6.4.10 Exhibit J - Vegetation Information <br />No comment. <br />6.4.11 Exhibit K -Climate Information <br />No comment. <br />6.4.12 Exhibit L - Reclamation Costs <br />26. The Applicant will be exposing groundwater during mining operations. Several <br />options are available that will satisfy the Division's bonding requirements for sites <br />with exposed groundwater. The Division requests the Applicant review the options <br />listed below and commit to completing one of the following: <br />a) File a financial warranty that will ensure backfilling of the pit to cover the exposed <br />ground water to a depth of two feet above the static ground water level or, <br />b) Obtain a court approved augmentation plan prior to exposing ground water or, <br />c) File a financial warranty to cover the cost of installing a clay liner or slurry wall <br />that meets the Division of Water Resources requirements for preventing ground water <br />exposure or, <br />d) Obtain approval from the Division of Water Resources that acknowledges <br />compliance with the SEO's requirements pursuant to § 37-90-137(11). <br />27. The Division will calculate the final Financial Warranty amount once all of the <br />adequacy issues have been addressed.