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r 's. <br /> Former BP Service Station o. 11193 <br /> 3202 West Hamm Page 5 <br /> Hammer Lane <br /> Stock#on�California 95209 September 29, 2011 <br /> 08/30/07 Date of Work Plan for Vertical and Lateral' Delineation submitted by SECOR <br /> International Incorporated'proposing the installation of two off-site monitoring <br /> wells and one on-site deep monitoring well. <br /> 11/15/07 Date of Work,Plan for Destruction of Monitoring Well MW-12 submitted by <br /> SECOR International Incorporated that proposed the destruction of MW-12 by <br /> over-drilling prior to road improvement implementation, and installation of <br /> MW-13. <br /> 12/14/07 Date when MW-12 was destroyed. <br /> 03/06/08 Date when MW-13 was installed onsite. <br /> 05/20/08 Date of Report for Destruction and Installation of Monitoring Wells submitted by <br /> SECOR International Incorporated describing the destruction of MW-12 and <br /> installation of deep onsite .monitoring well MW-13. Report available on <br /> GeoTracker. <br /> 10/15/10 Date of letter from the EHD recommending the suspension of the ozone injection <br /> system for rebound testing. <br /> 10/25/10 Date the ozone sparge system was shut down. <br /> 05/31/11 Date of Case Evaluation & Justification for No Further Action submitted by <br /> Closure Solutions, Inc. Report available on GeoTracker. <br /> 08/11/11 Date of teleconference between the EHD and the California Regional Water <br /> Quality Control Board Central Valley Region (CRWQCBCVR) when site closure <br /> consideration was discussed and the CRWQCBCVR concurred that this site <br /> should be considered for site closure. The EHD also directed Closure Solutions, <br /> Inc. to submit mass estimates and time needed for the groundwater to return to <br /> water quality goals to the CRWQCBCVR and the EHD. <br /> 09/06/11 Date of Supplemental Calculations for-Closure Review submitted by Closure <br /> Solutions, Inc. Report available on GeoTracker. <br /> I <br /> I <br />