SITE INFORMATION AND CORRESPONDENCE (2)

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• Chronology, Ranch Market page 4 23569 Santa Fe Rd, Riverbank/Escalon July 2011 10/11/2004 Ranch Market domestic well properly destroyed this date under EHD permit. 06/15/2005 Date of EHD correspondence denying Geocon's Groundwater Monitoring and Remedial Status Report dated May 2005 to replace ozone groundwater injection with ORC soil injection. The EHD requires an evaluation of feasibility and comparative estimated costs. 09/21/2005 EHD approves Phase I of Geocon's Interim Alternative Remedial Action Plan (TRAP) dated August 10, 2005 to conduct a DPE five day pilot test and denies Phase II to inject PermeOx into the soil until it can be shown the subsurface is oxygen deficient and the use of the product is cost- effective. 01/06/2006 EHD approves Geocon's Soil Vapor Extraction Rebound Test Work Plan, dated November 15, 2005. 06/21/2006 Date of the EHD comment letter to Geocon's Report of Alternative Remedial Action dated March 2006. The EHD concurs that DPE is not economically feasible and approves MW-3 being added to SVE system. Destruction of all but two SVE wells not approved by the EHD. The EHD also advises the RP that many Geotracker submittals are missing and to update the ESI database immediately. 09/24/2007 Date of the EHD work plan approval letter to Geocon's Additional Work Plan dated August 23, 2007 to install 14 membrane interface probes (MIP) on and off-site. 05/19/2008 Date of the CUF 5-year evaluation/2008 for site. CUF recommends the END direct the RP to discontinue SVE operations and to continue to monitor the wells at the site for full year hydrologic cycle. 06/09/2008 Date of the EHD letter to the RP directing termination of the SVE system at the site. 08/04/2008 MIP installations begin today. 05/05/2009 Date of the CUF 5-year/2009 site evaluation. CUF recommends the EHD direct the RP to submit documents to Geotracker and that the EHD evaluate the site for closure. 06/08/2009 Date of the EHD multi-site response letter to the CUF. The EHD advises that closure review cannot be completed without an evaluation of the MIP data that has not been submitted. 07/27/2009 Date of the EHD letter to RP conforming to State Resolution #2009-0042 to reduce groundwater monitoring and reporting to semi-annual.