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Chronology page 4 <br /> 2315 N. California Street, Stockton <br /> 06/08/09 Date of the EHD comment letter.c n the SWRCB-CUF.'s draft 5-year site <br /> evaluation dated`May 5,`2009:- AI o this date, an EHD letter was sent to <br /> the responsible party advising of the CUF evaluation for closure <br /> consideration and requesting a' oil vapor intrusion evaluation to be <br /> conducted and the ' results included in a No Further Action <br /> Request/Report (NFAR). <br /> 07/14/09 Date of the EHD letter to the responsible party advising, per State <br /> Resolution #2009-0042, all wells a e to be sampled semi-annually. <br /> 10/21/09 Site status discussed with James Barton of the Central Valley Regional <br /> Water Quality Control Board (CV WQCB). Vapor intrusion evaluation <br /> needed. <br /> 03/03/10 Date of the EHD multi-site letter to the SWRCB-CUF's February 18, 2010 <br /> electronic mail requesting comments on this site's status. <br /> 06/22/10 Date of the EHD letter to the responsible party commenting on the <br /> technical justification document submitted by Foothill Residual Soil <br /> Contamination Assessment dated December 4, 2009 proposing not to <br /> collect soil gas samples. The EHD founds the technical justification <br /> inadequate and directed the resp nsible party to submit a work plan to <br /> collect soil gas samples and evalLiate the results using San Francisco <br /> Bay Regional Water Quality Contrc I Board (SFBRWQCB), Environmental <br /> Screening Levels (ESI-.). <br /> 07/19/10 Date of the EHD comment letter foi the SWRCB-CUF's June 2010 5-year <br /> review site evaluation. The CUF end the EHD concur that an additional <br /> risk assessment was needed. <br /> 08/20/10 Date of the EHD approval letter to Foothill's Soil Gas Probes #1 and #2 <br /> Work Plan, dated July 21, 2010. <br /> 09/20/10 Date two soil gas probes were instc Iled at site under EHD permit. <br /> 11/12/10 Date of the EHD comment letter to Foothill's report of findings, Soil Gas <br /> Probes GP-1 and GP-2 Installation and Sampling dated May 5, 2010. <br /> The EHD requested a No Further Action Report/Request (NEAR). <br /> 12/13/10 Date the EHD received the NFAR on Geotracker. <br /> 12/20/10 Michael Infurna and Nuel Henderson discuss NFAR. If soil data is <br /> favorable, site closure anticipated within six months. <br /> 01/18/11 Date of the EHD's multi-site response letter to SWRCB's Mr. John <br /> Russell concerning site closure recommendation, <br />