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r1� r s <br /> San Joaquin County DIRECTOR <br /> aQ�'ry <br /> Donna Heran, RENS <br /> Environmental Health Department <br /> ASSISTANT DIRECTOR <br /> Z.. = 600 East Main Street Laurie Cotulla, REHS <br /> Stockton, California 95202-3029 PROGRAM COORDINATORS <br /> .: <br /> Carl Borgman, REHS <br /> 04p Mike Huggins, REHS, RDI <br /> Website: www.sjgov.org/ehd Margaret Lagorio,REHS <br /> Phone: (209)468-3420 Robert McClellon, REHS <br /> Fax: (209) 464-0138 Jeff Carruesco, REHS, RDI <br /> Kasey Foley, REHS <br /> U-HAUL / AMERCO REAL ESTATE CO rJUN 15 <br /> 2007 <br /> REID RINER <br /> 2721 N CENTRAL AVE STE 500 <br /> PHOENIX AZ 85004 <br /> RE: U-Haul #709-50 Site Code: 1772 <br /> 2701 N. Wilson Way RO#: 00574 <br /> Stockton, CA., 95215 <br /> San Joaquin County Environmental Health Department (EHD) has reviewed and <br /> received Remedial Action Plan (RAP) on Geotracker and has the following <br /> comments. <br /> The RAP included a discussion of feasibility and cost comparisons for multiple <br /> remedial alternatives that may be successful in cleaning up the contamination in <br /> the soil and ground water from the release of the underground storage tanks <br /> (UST) former located on this site. <br /> Ground water extraction (to include treatment and discharge of the treated water) <br /> was deemed feasible but not cost effective. In situ bioremediation was <br /> evaluated and was not feasible. Air sparging and soil vapor extraction were <br /> chosen to be the most cost effective and feasible alternatives. The EHD <br /> concurs. The RAP is adequate and necessary and tentatively approved. [H&S <br /> Code: 25296.10(c)(3)] <br /> Prior to enacting the RAP and receiving full approval from the EHD,public <br /> notification must be provided by the EHD so that the residents and others in the <br /> immediate area have an opportunity to comment on the corrective action. <br /> The EHD will post a notice at the site and provide notices to the surrounding <br /> properties. In addition, an executive summary should be provided by your <br /> consultant that we can post in our office. <br /> The executive summary is a document that briefly and simply (non-technical) <br /> advises the public of the following: <br /> • what the site was before now (leaking UST, removed, dates). <br /> • what it is you want to do (bubble surface air into the ground water and <br /> remove petroleum vapors for treatment). <br /> • how long it will take (estimate). <br /> • exposure concerns to the public during this period (gases, fumes, odors). <br /> • what the site will be after the process is completed. <br />