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2009-11-30_PERMIT FILE - C1981038A (2)
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2009-11-30_PERMIT FILE - C1981038A (2)
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Last modified
8/24/2016 3:57:16 PM
Creation date
12/29/2009 1:22:12 PM
Metadata
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Template:
DRMS Permit Index
Permit No
C1981038A
IBM Index Class Name
Permit File
Doc Date
11/30/2009
Doc Name
Bad had missting page
Section_Exhibit Name
Paonia Loadout 2.05 Operation and Reclamation Plans
Media Type
D
Archive
Yes
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§2.05 APPLICATION FOR PERMIT FOR SURFACE OR UNDERGROUND MINING <br />ACTIVITIES --MINIMUM REQUIREMENTS FOR OPERATION AND RECLAMATION <br />PLANS. <br />(ii) Surface and groundwater treatment plan. <br />All surface drainage from disturbed lands is routed through <br />sedimentation facilities. These facilities are monitored and <br />maintained in accordance with 2.05.3(3)(c), Operations Plan, <br />Existing Structures, and will remain so until the disturbed area <br />has been restored. <br />The sedimentation facilities have been designed and <br />constructed to store a precipitation event equal to a 10-year, <br />24-hour storm. The design storm will be detained a minimum <br />of 24 hours. <br />In most cases, no treatment other than a 24-hour detention <br />time, allowing sediment to settle out, is needed for discharges <br />• from the train loadout sediment pond or the stockpile sediment <br />pond to meet state and federal water quality standards. Should <br />treatment be necessary, the water may be retained in the <br />ponds and material, such as flocculent, added to bring the <br />discharge into compliance with NPDES requirements. Water <br />discharged from these ponds is sampled and sent for <br />laboratory analysis. Reports are submitted quarterly to the <br />regulatory authority. <br />Small Area Exemptions <br />As stipulated in Rule 4.05.2(3)(a)(b) the Division may grant <br />exemptions from Rule 4.05.2(1) which states "All surface <br />drainage from the disturbed area, including disturbed areas <br />that have been graded, seeded, or planted, shall be passed <br />through a sedimentation pond, a series of sedimentation <br />ponds, or a treatment facility before leaving the permit area:' If <br />the operator demonstrates that sedimentation ponds are not <br />necessary for the drainage to meet the effluent limitation of <br />TR-020 2.05 - 38 3/01 <br />
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