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GENERAL36155
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GENERAL36155
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Last modified
8/24/2016 7:56:50 PM
Creation date
11/23/2007 8:37:57 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
M1980244
IBM Index Class Name
General Documents
Doc Date
4/30/1997
Doc Name
CRESSON MINE HEAP LEACH PAD-STATUS OF LOW VOLUME SOLUTION COLLECTION SYSTEM FOR PHASE 2-CC&VG
From
DMG
To
BERHAN KEFFELEW
Media Type
D
Archive
No
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<br />Memo to Berhaa Keffelew <br />CC~VG LVSCS ALR Response <br />page 3 <br />the original application, and "above 2 percent exceedence" in Mr. <br />Hardaway's June 13, 1995 letter were unchanged and state: <br />"Advise the DMG and reduce the LVSCS flowrate through the <br />following measures; <br />• reduce head on liner; <br />• plot rate of LVSCS flowrate versus solution elevation; <br />• note when LVSCS flowrate falls within acceptable <br />envelope; and <br />• maintain solution levels within acceptable limits during <br />all periods of operation." <br />Based upon the data submitted by Mr. Hardaway in his response <br />letter to Mr. Keffelew dated April 16, 1997, I conclude that CC&VG <br />is complying with the first two of its four specified response <br />actions. In performing the observations relating to reduction of <br />saturated head versus the rate of LVSCS inflow within the Pregnant <br />Storage Area (PSA), CC&VG has collected the data necessary to show <br />that it cannot plausibly reduce the inflow rate below that <br />specified as the "2$ exceedence" ALR. Finally, CC&VG could not <br />reduce its Phase 2 LVSCS to a level below that ALR without <br />effectively dewatering the entire Phase 2. I cannot concur, <br />therefore, with Mr. Hardaway's statement; "These systems are being <br />operated in compliance with the design specifications and the <br />permit commitments, and the systems are achieving their objective <br />of fluid removal." CC&VG is achieving the objective of fluid <br />removal from the LVSCSs. There has been no evidence of loss of <br />containment or of pressure heads on the lowermost composite liner <br />exceeding the specified 2.0 foot magnitude. However, I cannot <br />conclude that CC&VG has completely satisfied its permit <br />commitments, in that it is not in compliance with all the Response <br />Actions specified for the "2$ exceedence" ALR. <br />A Proposal for Resolution <br />CC&VG now emphasizes its contemporary belief, as expressed by Mr. <br />Hardaway; "The estimates of rates that solutions could be <br />anticipated to occur were not, in themselves, a limit. Rather, <br />they were design criteria." Frankly, I see nothing to be gained by <br />continuing this semantics discussion. Rather I suggest that CC&VG <br />and the Division resolve this situation as follows. <br />(1) The Division has always agreed, and continues to agree, with <br />
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