2011-09-09_REVISION - M1981185 ‎(43)‎

• Permit No: M1981185
• IBM Index Class Name: REVISION
• Doc Date: 9/9/2011
• Doc Name: Response to Fifth Adequacy Letter
• From: R Squared, Inc.
• To: DRMS
• Type & Sequence: CN1
• Media Type: D
• Archive: No

Mr. Wallace H. Erickson
Response to Fifth Adequacy
September 9, 2011
Page 16
DEN 97,599,531v1 9 -9 -11
• Wildcat will implement the following work plan to evaluate an
appropriate disposal plan for process water:
• Obtain representative sample of recycled process water during
mill operations;
• Transport sample for laboratory testing, including hazardous
waste determination to evaluate corrosivity, reactivity and
toxicity;
• Perform engineering evaluations to develop conclusions and
recommendations regarding the following:
o Acceptable duration for recycled water process;
o Frequency for disposal of recycled process water;
o Characteristics of recycled process water;
o Disposal location and practices for recycled process water;
and,
o Design criteria for disposal locations or facilities for
recycled process water.
• Prepare a technical memorandum summarizing the results of
the work described above;
• Submit revised design plans for disposal locations or facilities
for recycled process water, as necessary, through the
Technical Revision or Amendment process; and,
• After obtaining DRMS approval through the Technical
Revision or Amendment process, proceed with remainder of
work plan, construct approved disposal locations or facilities
for recycled process water, and obtain licensed professional
engineer certification of disposal locations or facilities for
recycled process water as Environmental Protection Facilities.
• Pipelines for tailings and recycled process water.
o Wildcat is submitting a revised Attachment D -2, Figure D -1 (May Day No. 1
Surface Facilities) showing the location and conceptual design for the
pipelines for tailings and recycled process water. See Attachment 3.
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