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REV09921
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REV09921
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Entry Properties
Last modified
8/25/2016 1:10:23 AM
Creation date
11/21/2007 10:08:31 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1981022
IBM Index Class Name
Revision
Doc Date
1/31/2005
Doc Name
2nd Adequacy Letter
From
DMG
To
Oxbow Mining, LLC
Type & Sequence
TR49
Media Type
D
Archive
No
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8. The Division has no further concerns. In the submittal dated February 16, 2005, Oxbow <br />revised the Pond F Summary page to show that the peak settleable concentration is 0.09 ml/I. <br />9 In the submittal dated February 16, 2005, Oxbow revised the Pond F summary page to show <br />that the peak discharge out for the 25 year event is 3.02 cfs. However, the February 16, 2005, <br />submittal Sedcad run for the 25 year event is slightly different From that of the original 25-year <br />Sedcad submittal. Therefore, please revise the values on the February 16, 2005, submittal Pond F <br />summary page for the 25-year event discharge data to match the values in the February 16, 2005 <br />submittal Sedcad run for the 25-year event. <br />10. The submittal dated February 16, 2005, contained a revised table on Drawing No. 2.05-MSJ. <br />However, dimension "C" for all of the ditches listed in the table shows the top width without <br />freeboard, whereas the diagram accompanying the table shows dimension "C" to be the ditch top <br />width with freeboard. Please revise either all of the "C" dimensions in the table or revise the <br />accompanying diagram. In addition, referring to the same table, it appears that the "A" and "B" <br />dimensions for ditch HCD-2 for the 10-35 percent slope do not coincide with the Sedcad values. <br />Please revise accordingly. The same values for ditch HCD-2 need to be changed in Figure l of <br />the Section 7 ofthe February 16, 2005, submittal as well. <br />1 1. The Division has no further concerns. The table on Drawing No. 2.05-MSJ was revised in <br />the submittal dated February 16, 2005. <br />12. The Division has no further concerns. Drawing 2.05-MSJ was revised accordingly in the <br />submittal dated February 16, 2005. <br />13. The Division has no further concerns. The submittal dated February 16, 2005, contained <br />Figure 1 for Section 7 and Tables t and 2 for Section 8. <br />Rule 4.O.i. l3 Surface and Groundwater Monitoring <br />14. Response accepted. <br />If you have any questions, please feel free to call me. <br />Sincerely, <br />Jim Burnell i1.CC/` <br />Environmental Protection Specialist <br />Ca S. Brown <br />J. Dudash <br />
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