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T <br /> Chronology page 2 <br /> 4511 Pacific Ave., Stockton <br /> 07/11/94 Date of the EHD letter noting that petroleum hydrocarbons are still present at the site <br /> and requiring submittal of a Corrective Action Plan (CAP). <br /> 10/16/94 Date of Corrective Action Plan in which SVE was considered as the technology of <br /> choice for site remediation. <br /> 06/19/95 Date of EHD letter.concurring with the recommendation to use SVE for remediation <br /> of the site. <br /> 1128-29197 Five soil borings,rB-7 through B-11, were advanced at the site to depths ranging from <br /> 45 to 50 feet. Selected borings were then converted to monitoring wells MW-4 <br /> through MW-7. .. . <br /> 03/17/97 Date of Quarterly Report— January 1997,that discusses work performed in January <br /> 1997. Additional site investigation was recommended. <br /> 47/03/97 Date of Remedial Action.Work Plan _ July 1997 for.installation and operation of SVE <br /> and Insitu Air Sparging (]AS). <br /> 4129-511198 Seven soil.borings, B-13 through B=19, were advanced to total depths of 50 to 60 <br /> feet off-site during this time. <br /> 12/28/98 Date of Quarterly Report—June 1998 reporting on April and May 1998 work. <br /> 617=9100 Five soil borings were advanced and converted to monitoring wells MW-8 through <br /> MW-10, MW711A/B, and MW-12A/B during this-time. <br /> 08/14/00 Date of Quarterly Report.— Second.Quarter 2000 that reports June 2000 work. <br /> 10/26/00 Date of Work Plan for Interim Ground Water Remediation. <br /> 11/13/00 Date of Work Plan for.Work Plan Addendum for Interim Ground Water Remediation. <br /> 03/20/01 Date Groundwater.Extraction (GWE)Well EW-1 was installed (screened 25-45 feet). <br /> 03/23/01 Date of EHD letter directing implementation of GWE pilot test due to impact of methyl <br /> tert-butyl ether (MTBE). <br /> 03/27/01 A GWE pilot test was conducted on this date. <br /> 05/30/01 Date of Ground Water Aquifer,Pumping Test Report that discussed GWE pilot test <br /> conducted on 3/27101 and installation of EW1. <br /> 615-6101 Four ground water monitoring wells, MW-13 through MW-16, were installed during <br /> this time to delineate the MTBE ground water contamination plume. <br /> 09113101. Date of Monitoring Well-installation Report on June 2001-work. <br /> I <br /> I <br /> I <br /> It <br />