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2011-10-11_HYDROLOGY - M1983194
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2011-10-11_HYDROLOGY - M1983194
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Last modified
8/24/2016 4:43:56 PM
Creation date
10/18/2011 8:15:02 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
M1983194
IBM Index Class Name
HYDROLOGY
Doc Date
10/11/2011
Doc Name
Add addition well
From
USEPA
To
Natural Soda, Inc.
Email Name
THM
Media Type
D
Archive
No
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INJECTION WELL - SPECIFIC REQUIREMENTS <br />Well Name: 12H -I <br />EPA Well ID Number: CO30358 -08416 <br />Prior to Commencing Injection Operations, the permittee shall submit the following information: <br />1. Completed Well Completion Report (EPA Form No. 7520 -9) and schematic diagram. <br />2. Summary of daily drilling activities. <br />3. Depth to the top of each formation or unit encountered and any water quality or other <br />pertinent data that is collected. <br />4. Gamma Ray Log (GR), Caliper Log (CAL), Spontaneous Potential (SP) /Resistivity Log <br />5. Cement Bond Log (CBL) or Cement Evaluation Log <br />6. A successful Part I (internal) Mechanical Integrity Test (MIT) <br />- 7. Temperature Survey <br />8. AOR well:12H -R <br />a. Well completion report <br />b. CBL <br />9. Subsurface Subsidence Monitoring Well: The.BG -5 will serve to monitor subsurface <br />subsidence and baseline data is required. <br />The perrnittee shall include appropriate narrative interpretations by a knowledgeable log analyst <br />along with pertinent logs. Once records are received and approved by EPA, the Director <br />will provide written authorization to inject. <br />Underground Sources of Drinking Water (USDWs) <br />Starting from the ground surface, USDWs in the Area Permit are: a perched or unconfined <br />discontinuous low permeability sandstone. aquifer approximately 400 feet below surface, the 16 <br />feet thick A- Groove Aquifer, and the 290 feet thick B- Groove Aquifer. <br />Aquifer Exemption is not required in Dissolution Surface Zone because the TDS of water <br />produced from the proposed injection well is greater than 10,000 mg /l. The L -5 zone <br />immediately overlying the Dissolution Surface'has been exempted. <br />Approved Injection Zone = <br />Injection is approved below the Dissolution Surface, in the L -5 zone which comprises the Boies <br />Bed (L -5A), L -5B, L -5C, and L -5E zones. <br />Confining Zone <br />The R -6 zone aquitard which lies directly above the L -5 zone, has been designated as the <br />confining interval. It is approximately 177 feet +of marlstone, oil shale, and leached oil'shale <br />between the depths of approximately 1600 t and 1775 ft. <br />Maximum Allowable Injection Pressure (MAIP) <br />The MAIP is 300 psis as measured at the surface. <br />Authorization for Additional Well: UIC Area Permit 0030358 -00000 <br />Well: 12H -1 EPA Well ID: CO30358 -08416 Page 2 of 5 <br />
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