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2016-10-21_REPORT - M1980244 (30)
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2016-10-21_REPORT - M1980244 (30)
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Entry Properties
Last modified
1/9/2017 10:52:37 AM
Creation date
12/22/2016 8:15:33 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
M1980244
IBM Index Class Name
Report
Doc Date
10/21/2016
Doc Name
SGVLF Phase I Cert Report - DCF Acceptance
From
CC&V
To
DRMS
Type & Sequence
TR87
Email Name
TC1
AME
ERR
Media Type
D
Archive
No
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Newfields LLSI Project 2516 <br />September 1, 2016 Page 2 of 2 <br />B.Soil-Covered Survey <br />A high voltage isolated DC power supply was used to impress a voltage across the <br />liner using one electrode placed in the operations layer located on top of the primary liner and a <br />second electrode placed in the electrically conducting material located between the liners. Therefore, <br />the geomembrane liner provides an electrical barrier between the electrodes except where there are <br />holes in the geomembrane liner. Electrical current flowing through the holes in the geomembrane <br />liner produces localized anomalous areas of high current density near the holes. This electrical <br />current path is provided by electrically conducting material such as water, sand, or soil <br />The survey of the cell was conducted by making potential gradient measurements on <br />the moist rock with measurement electrodes spaced approximately three feet apart. These <br />measurements were made approximately every three feet along numbered survey lines that were <br />spaced approximately five feet apart. A portable digital data logger was used to collect the data. The <br />data was then downloaded into a portable computer for display, plotting, and analysis. <br />If there are any questions regarding the electrical survey or this report, please contact us at <br />(210) 408-1241. We appreciate the opportunity to have been of service to you on this project. <br />Respectfully, <br />John Ortiz <br />Senior Project Manager <br />Approved By: <br />Glenn T. Darilek <br />Principal Engineer
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