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Chronology page 4 <br /> 2701 W. March Lane, Stockton <br /> 03/11/09 Date of EHD letter to attorney for off-site parcel in attempt .to secure <br /> access for off-site remedial work. <br /> 003/29/09 Date of attorney's response letter denying access. <br /> 04/30/09 Date of EHD letter to site. RP modifying/reducing groundwater <br /> monitoring frequency and analyses. <br /> 08/03/09 Ozone sparge system goes offline. . <br /> 10/29/09 Date of EHD letter requesting sensitive receptor survey. 1 <br /> 11/20/09 Site now assigned to Michael Infurna, LOP-Unit IV. <br /> 05/19/10 Date the EHD received Stantec consulting's Request for Low Risk <br /> Closure, dated May 14, 2010, on Geotracker. <br /> 06/01/10 Date of EHD letter commenting on Request of Low Risk Closure <br /> report. The EHD requires a confirmation groundwater sample from <br /> MW-9D (well with highest MtBE), a San Francisco Bay Regional <br /> Water Quality Control Board (SFBRWQCB), Environmental <br /> Screening Levels (ESL) soil vapor intrusion evaluation, and a time <br /> estimate for off-site contamination to reach water.quality objectives <br /> (WQOs) to be in a No Further Action Request report due at the <br /> EHD. <br /> 10/18/10 Date the EHD received Stantec consulting's No Further Action <br /> Request Report, dated October 6, 2010, on Geotracker: <br /> 12/30/10 Date EHD evaluation for No Further Action begins. <br /> i <br /> 02/03/11 Date EHD submits notification, Case Closure Summary, and <br /> Chronology to the CVRWQCB. <br /> i <br /> r <br />