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GENERAL35570
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Last modified
8/24/2016 7:56:30 PM
Creation date
11/23/2007 8:23:06 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
M1999002
IBM Index Class Name
General Documents
Doc Date
2/14/2005
Doc Name
Major Mod. UIC Area Permit No. CO30858-00000
From
EPA
To
American Soda LLP
Media Type
D
Archive
No
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upstream of where the pipeline branches to feed all solution mining wells. <br />Production fluid shall be sampled on the Qroduction trunk pipeline prior to <br />enterin¢ the steam stripper. Samples of both the production and injection <br />fluid will be collected and analyzed according to the Water Monitorin¢ <br />Plan, Appendix I. This requirement shalt not apply at wells in temporary <br />suspension status. <br />(h) Monitoring of water quality and water level in all well completions <br />above the Dissolution Surface will be sampled for water levels and <br />analyzed for the constituents as given in the Water Monitoring Plan, <br />Appendix I. <br />*~* <br />(k) Corrective Measures in Response to Dissolution Surface Monitoring: <br />The following corrective action measures will be implemented when a <br />dissolution aquifer monitoring well indicates an increase in water Level of <br />20 feet or more over the previous 6 month average level (trigger level). <br />(i) EPA will be notified within one business day of the pressure <br />increase. <br />(ii) The permittee shall initiate a technical review of operating data <br />from the surrounding wells to assess which well is most likely to <br />be the source. The analysis may include well operating pressures, <br />available brine chemistry data, N2 gas blanket data, and other data. <br />The permittee must conduct such tests as may be necessary to <br />assist in the identification of the source well. <br />(iii) Within 5 days of identifying a trigger-level pressure increase, the <br />permittee will take such action as may be necessary to stabilize and <br />shut-in the well determined to be the most likely source of the <br />pressurization (source well). The source well will be stabilized <br />prior to shut-in to prevent plugging or other impacts to the well <br />that would compromise its future operational ability. <br />(iv) Should the source well shut-in not result in a pressure decrease in <br />the dissolution aquifer, American Soda will continue well analyses <br />and shut-in additional surrounding wells until such time as the <br />pressure reduces to less than the trigger level. <br />(v) American Soda shall provide a summary report of the findings and <br />the responses taken to correct the cause of the increased water level <br />to EPA within 14 days after the pressure decreases below the <br />trigger level. <br />(vi) A specific corrective action and/or cavity operation plan shall be <br />filed with the Director prior to returning any the source well(s) to <br />Draft Modification No. 4 UIC Area Permit No. CO30858-00000 Page 12 of 44 <br />
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