SITE INFORMATION AND CORRESPONDENCE

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CHRONOLOGY Ace Tomato Company,Incorporated Page, 3 11117106 . Kiff Analytical LLC reported dodecane taken from the Tentatively Identified Compound search at estimated " values of 5.6J µg/1, for groundwater samples collected .from B-1, 3AJ µg/L for groundwater samples collected from B-2, and. less than 2.0 µg/l, for groundwater samples collected from B-4. 11/27/06 Date of letter sent by the EHD directing a closure/no further 'action required report (NFAR) be prepared. 01/19/07 Date of.letter sent by the EHD directing an evaluation of Environmental Screening Levels (ESLs), California Human Health .Screening Levels (CHHSLs) and the potential for vapor intrusion into buildings located IIt onsite and extending the date for receiving the NFAR report from January 4 31, NO, to'May 25, 2007. 02/27/07 Date of Additional Site Assessment,. Work Plan submitted by Advanced GeoEnvironmetal, Inc. proposing the advancement of three soil borings for the collection of soil gas samples. E 03/19/07 The EHD approved the work plan.for collecting three soil gas samples and directed that groundwater samples be collected from each onsite f industrial/irrigation well and analyzed for contaminants of concern. i 04/06/07 Three soil gas samples were collected onsite and groundwater samples were collected from one drinking water well and two irrigation wells. The well water results were all non-detect. 05/23/07 The EHD extended the date for receiving the NFAR report from May 25, 2007, to July 25, 2007. 05/25/07 Three soil gas samples were recollected onsite-and analyzed at laboratory detection limits below ESLs and CHHSLs. IF 07/24/07 Date for .No Further Action' Required Request Report. This report included the results from soil gas sampling and analysis and concluded that vapor intrusion does not appear to pose a threat at this site. 10/17/07 Date EHD staff discussed the site with CVRWQCB staff for potential site closure concurrence. i