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REV93904
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REV93904
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Entry Properties
Last modified
8/25/2016 3:19:33 AM
Creation date
11/21/2007 11:36:14 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
M1983194
IBM Index Class Name
Revision
Doc Name
UNDERGROUND INJECTION CONTROL PROGRAM
Type & Sequence
AM2
Media Type
D
Archive
No
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<br /> <br />Details relating to actual monitoring devices will be <br />.r incorporated into the permit by reference. <br />2. Monitoring Well Program. <br />(a) Monitoring well designs for wells outside the <br />wellfield, and referred to as "dedicated" monitor <br />wells by the permittee, are as follow (Appendix D, <br />Figures 13, 14, 15, 16, 17, 18, and 19): <br />USGS-75-11B (Test Hole TH75-11B): monitor a 20- <br />foot zone just above the Dissolution Surface. <br />USGS-75-11A (Test Hole TH75-11A): monitor a 20- <br />foot zone across the A-Groove. <br />MMC-IRI-9: monitor a 20-foot interval of the B- <br />Groove. <br />MMC-IRI-1: monitor the perched aquifer. <br />MMC-IRI-4: monitor a 20-foot zone above the <br />Dissolution Surface. <br />MMC-IRI-S: monitor a 20-foot interval of the B- <br />Groove. <br />MMC-IRI-6: monitor the perched aquifer & a 20- <br />foot interval across the A-Groove. <br />(b) The permittee shall construct three upgradient <br />wells in the vicinity of MMC-IRI-1 and in an EPA- <br />approved manner, to monitor the Dissolution <br />Surface, B-Groove, and A-Groove. <br />(c) The permittee shall utilize the IRI-26-EX-2 to <br />monitor a 20-foot zone above the Dissolution <br />Surface (Appendix D, Figure 21) and use a second <br />well to monitor the B-Groove (Appendix D, Figure <br />22). <br />(d) Select, former production wells shall be converted <br />to monitoring wells. As downdip wells are taken <br />out of production, they shall be used as <br />monitoring wells for the Dissolution Surface and <br />H-Groove (Appendix D, Figures 23 and 24 ). The <br />monitoring program shall include continuous <br />monitoring of the piezometric head and water <br />quality data collection (Appendix D, Table 2). <br />Water quality samples shall be collected on a <br />monthly basis, and piezometric head data shall be <br />recorded continuously. Results of the water level <br />Page 15 of 61 <br />EPA Permit No. COS2358-0696 <br />
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