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During the bond release inspection, coal mining equipment was found stored in an approximate 3- <br />acre area that was then part of the azea being requested for bond release. The Division notified <br />Oakridge in a letter dated January 6, 2005 and that it would be necessary to determine if the <br />equipment storage area was in the bond release area. The Division notified Oalcridge in a letter dated <br />February 28, 2005 that the Division had verified during an inspection on February 24, 2005 that the <br />equipment storage azea was in the bond release area. The letter requested a revised map from the <br />operator removing the equipment storage area from the bond release area. The Division received a <br />revised map (Map 101-D) on May 3, 2005 reflecting removal of the equipment storage azea from the <br />bond release area. The operator revised the number of acres in the bond release area to 61.21 acres <br />in a faxed memo received by the Division on May 11, 2005. <br />The Division received no written objections, or requests for an infonnal conference regazding the <br />bond release application. <br />III. APPROVAL CRITERIA FOR BOND RELEASE <br />Phase I Bond Release <br />Section 3.03.1(2)(a) states, "Up to sixty percent of the applicable bond amount shall be released <br />when the permittee successfully completes backfilling, regrading, and drainage control in accordance <br />with the approved reclamation plan." Section 3.03.1(3)(b) states "No more than sixty (60) percent <br />of the bond shall be released so long as the lands to which the release would be applicable,aze <br />contributing suspended solids to streamflow or runoff outside the permit azea in excess ofpremining <br />levels as determined by baseline data or in excess of levels determined on adjacent nonmined azeas". <br />Map 5-10 in the permit application shows the approved postmining topography. <br />Phase II Bond Release <br />A Phase II bond release is allowed by those parts of Section 3.03.1(2)(b) which say, "Up to eighty- <br />five percent of the applicable bond amount shall be released upon the establishment of vegetation <br />which supports the approved postmining land use and which meets the approved success standazd <br />for cover, pursuant to 4.15.8." Rule 4.15.8(1)(b) states "In the case of previously mined lands or <br />azeas to be developed for industrial or residential uses, the requirements of 4.15.10 shall apply." <br />The approved postmining land use of the bond release area is industrial or commercial use (sand and <br />gravel mining); therefore, the applicable revegetation success criteria aze those set forth in Section <br />4.15.10(2): ".... the ground cover of living plants shall not be less than required to control erosion." <br />Phase III Bond Release <br />Phase III is a final bond release. A Phase III bond release can occur: <br />I. When the applicable minimum period of liability is met. The liability period applicable <br />to the bond release azea lasts until a) the permittee demonstrates that the approved <br />