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1996-10-25_HYDROLOGY - M1977378
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1996-10-25_HYDROLOGY - M1977378
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Last modified
2/20/2021 4:05:40 PM
Creation date
7/3/2012 7:19:10 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
M1977378
IBM Index Class Name
HYDROLOGY
Doc Date
10/25/1996
Doc Name
EPA- 3rd Qtr 1996 Rpt
From
Sunnyside Gold Corp
To
EPA
Permit Index Doc Type
Hydrology Report
Media Type
D
Archive
No
Tags
DRMS Re-OCR
Description:
Signifies Re-OCR Process Performed
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File No. C05000-0375 <br /> 3rd Quarter 1996 Report <br /> Page 2 <br /> The American Tunnel valve has been opened and closed several times <br /> since the alkaline injection project started on July 18, 1996. The <br /> first closure was on July 29, 1996 . Since that initial closure, <br /> the valve has been opened and water has been released through the <br /> bulkhead in order to draw mine pool water to the bulkhead for <br /> evaluation of the alkaline injection project and to meet water <br /> rights requirements. The last closure occurred on September 9, <br /> 1996 and the valve has remained closed since that date. <br /> Site inspections have not revealed any indication that the bulkhead <br /> is performing other than as designed. <br /> Injection Quantities <br /> Alkaline injection was active from project startup on July 18, 1996 <br /> through September 30, 1996. During this period, a total of 410.5 <br /> tons of hydrated lime was placed underground with 301.9 tons pumped <br /> through the Terry Tunnel bulkhead and 108.6 tons placed through the <br /> secondary site in Sunnyside Basin. <br /> Total quantity water and hydrated lime pumped underground was 31.6 <br /> million gallons. During this same period, a total of 40.6 million <br /> gallons were released from the American Tunnel bulkhead to evaluate <br /> the transport and mixing of alkaline material within the mine pool <br /> and to comply with a water rights "call" on the Animas River. <br /> Attached is a table of daily water volumes pumped underground <br /> during the reporting period. <br /> Please contact me if you have any questions on this report. <br /> Sincerely, <br /> Larry Perino <br /> Reclamation Manager <br /> cc: Kathleen Sullivan, CDPHE <br /> Wally Erickson, DMG <br />
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