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5. Please further explain the depth and thickness of the clay liner to be installed at the site and <br />explain how the clay will be placed in the pit to ensure stable slopes. In particular, please <br />explain how lifts will be placed and compacted to ensure the material is placed in a stable <br />configuration. <br />6. The operator states revegetation will occur as described in the original permit. Please be <br />aware that the AM-Ol application approved by the Division lists dryland grasses to be <br />planted as well as a number of trees and shrubs. The Division provided a copy of what we <br />believe to be the current plan for revegetation of the site. Please review the attached <br />documents and provide any changes to the plan. <br />Rule 6.4.7 Exhibit G- Water Information <br />7. Dewatering of the pit was previously approved in the AM-Ol application of 1986. However, <br />please further describe any possible impacts to wells that may occur during dewatering to <br />facilitate reclamation of the site. In particular, please provide a mitigation plan in the event a <br />well is impacted by the operafion. <br />8. The Division received comments from the OSE regarding the proposed application. Please <br />respond to the applicable comments noted in the letter. <br />9. The operator plans on dewatering the pit to facilitate reclamation. Please state if a current <br />NPDES Permit exists for this activity. <br />Please be advised that Glass Gravel Pit AM-02 Application may be deemed inadequate, and the <br />application maybe denied on May 12, 2005 unless the above-mentioned adequacy review items <br />are addressed to the satisfaction of the Division. If you feel more time is needed to complete your <br />reply, the Division can grant an extension to the decision date. This will be done upon receipt of <br />a written waiver of your right to a decision by May 12, 2005 and request for additional time. <br />This must be received no later than the deadline date. <br />If you have any questions, please do not hesitate to call. <br />Si er y, <br />` `~ <br />Erica Crosby i <br />Environrnental Protection Specialist <br />Enclosure(s); AM-Ol Reclamation Plan & Letter from OSE <br />cc: Carl Mount; DMG <br />William Schenderlein; Applegate Group, Inc. w/enclosure(s) <br />