SITE INFORMATION AND CORRESPONDENCE

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San Joaquin County Environmental Health Department DIRECTOR 2,•' �� G Q. z� 1868 East Hazelton Avenue Linda Turkatte, REHS Stockton, California 95205-6232 PROGRAM COORDINATORS Robert McClellon, REHS i�.•• Jeff Carruesco, REHS,RDI C9''••••••• P Website: www.sjgov.org/ehd Kasey Foley, REHS �iFOR Rodney Estrada, REHS Phone: (209) 468-3420 Adrienne Ellsaesser, REHS Fax: (209) 464-0138 April 14, 2015 Swaran Chouhan 1632 Paola Place Manteca, California 95337-8612 Subject: Super Center Mart - Eligible for Case Closure 701 East Charter Way Stockton, California 95206 By letter dated December 19, 2014, the San Joaquin County Environmental Health Department (EHD) had directed two additional groundwater sampling events to further evaluate contaminant concentration trends at the subject site. The EHD has reviewed the findings of these two events which were presented in Groundwater Monitoring Report— Fourth Quarter 2014 (GWMR 4Q14), dated 15 January 2015 and Groundwater Monitoring Report — First Quarter 2015 (GWMR 1 Q15), dated 26 February 2015, both prepared and submitted by your consulting firm Advanced GeoEnviron mental, Inc. The contaminant concentrations in groundwater monitored by monitoring wells MW-1 and MW-6, as presented from GWMR 4Q14 and GWMR 1Q15, do not show significant rebound or increase. The EHD discussed the case with Regional Water Quality Control Board staff and has determined the case pertaining to the subject site is eligible for closure. The EHD directs the following: discontinuation of groundwater monitoring; submittal of the estimated time to reach water quality goals (WQG) and initial and removed contaminate mass estimates; preparation of a well destruction work plan; and preparation of a public participation notice regarding the pending case closure. Prior to the destruction of wells associated with this case, a 60-day public notification period must be conducted. As required by the Low-Threat Underground Storage Tank Case Closure Policy (LTCP) enacted by the State Water Resources Control Board (State Water Board) on 17 August 2012, "Municipal and county water districts, water replenishment districts, special act districts with groundwater management authority, agencies with authority to issue building permits for land affected by the petroleum release, owners and occupants of the property impacted by the petroleum release, and the owners and occupants of all parcels adjacent to the impacted property shall be notified of the proposed case closure and provided a 60-day period to comment." Those to be notified include, but are not limited to: California Water Service Company in Stockton, Stockton East Water District, San Joaquin County Public Works Utilities Maintenance, Stockton Municipal Utilities Department, Stockton Community Development Department and Stockton Public Works Department. Comments should be directed to Gabriel Gonzalez, San Joaquin County Environmental Health Department, 1868 East Hazelton Avenue, Stockton, California 95205-6232. Prior to distribution of public participation notice, please provide a copy of the draft letter to the EHD for review and comment along with the list of agencies and owners/occupants who will receive the public participation letter.