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Plugging and Abandonment <br />The well shall be plugged in a manner that isolates the injection zone and prevents movement of <br />fluids into or. between USDWs. Tubing, packers, 'and any downhole apparatus shall be removed. <br />Plugging gel of at least 9.2 lb /gal, bentonite mud, or cement shall be placed between all plugs. <br />Within sixty (60) days after plugging, the owner or operator shall submit Plugging Record (EPA <br />Form 7520 -13) to the Director. The Plugging Record must be certified as accurate and complete <br />by the person responsible for the plugging operation. <br />A cast iron bridge plug (CIBP) shall be set at the bottom of the casing. Either 1) a cement plug to <br />surface shall be placed or 2) at minimum, the following individual plugs shall be sequentially set <br />using one or more of the approved methods described in 40 CFR 146.10: <br />PLUG NO. 1: The plug shall span the entire Dissolution Surface aquifer from the CIBP, <br />the water producing zone plus fifty (50) feet above. <br />PLUG NO. 2: The plug shall begin fifty (50) feet below the water producing zone of the <br />B- Groove aquifer, bridge the entire aquifer and extend fifty (50) feet <br />above the aquifer. <br />PLUG NO. 3: ,The plug shall begin fifty (50) feet below the water producing zone of the <br />A- Groove aquifer, bridge the entire aquifer and extend fifty (50) feet <br />above the aquifer. <br />PLUG NO. 4: The plug shall begin fifty (50) feet below the Perched aquifer, bridge the <br />entire aquifer and extend fifty (50) feet above the aquifer. <br />PLUG NO. 5: The plug shall-be one hundred and sixty (160) feet below ground surface <br />to ground surface. <br />AREA OF REVIEW (AOR) WELL REQUIREMENTS <br />The 12H -R will penetrate the confining zone within a 1/4 mile radius from the 12H -I injection <br />well. The authorization to inject is contingent upon submission of the CBLs and the evaluation to <br />demonstrate that the 12H -R do not provide a conduit for movement of fluids into USDWs. <br />GENERAL PERMIT CONDITIONS <br />Reporting of Noncompliance <br />(a) Anticipated Noncompliance. The operator shall give advance notice to the <br />Director of any planned changes in the permitted facility or activity which may <br />result in noncompliance with permit requirements. <br />(b) Compliance Schedules. Reports of compliance or noncompliance with, or any <br />progress on, interim and final requirements contained in any compliance schedule <br />of this Permit shall be submitted no later than thirty (30) days following each <br />schedule date. <br />Authorization for Additional Well: UIC Area Permit CO30358 -00000 <br />Well: 12H -1 EPA Well ID: CO30358 -08416 Page 4 of 5 <br />