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t S <br /> San Joaquin County <br /> Environmental Health Department DIRECTOR <br /> Donna Heran,REHS <br /> r.' 600 East Main Street <br /> PROGRAM COORDINATORS <br /> Stockton, California 95202-3029 Robert McClellon, REHS <br /> Jeff Carruesco, REHS, RDI <br /> • cQ. � c Linda <br /> Website: www.Sjgov.org/ehd LFoley, REHS <br /> i F o R Linda Turkatte,REHS <br /> Phone: (209)468-3420 <br /> Fax: (209)464-0138 T 6-T <br /> 0/2. lAo <br /> October 26, 2010 <br /> Mr. Thomas Sexton Shadrall Hammer Lane L.P. <br /> Ultramar Inc. Mr. Eric Schneider <br /> 685 West Third Street c/o Auburndale Properties, Inc. <br /> Hanford, CA 93230 5670 Wilshire Blvd., Ste 1470 <br /> Los Angeles, CA 90036 <br /> Subject: Beacon #3641 / Shadrall Property#1415 LOP Case#: 1125 <br /> 1210 E. Hammer Lane APN: 094-030-12 <br /> Stockton, CA 95210 Geotracker ID#: T0607700492 <br /> The San Joaquin County Environmental Health Department (EHD) has reviewed Soil Gas <br /> Investigation Report(Report) dated July 27, 2010, submitted by Horizon Environmental. <br /> The Report covers details of the soil gas sample collection on-site during June 2010, the <br /> laboratory data collected from two soil gas probes, and an evaluation of the data with respect to <br /> the San Francisco Bay Regional Water Quality Control Board (SFBRWQCB), Environmental <br /> Screening Levels (ESL) and the California Human Health Screening Levels (CHHSLs). <br /> The data indicated that no ESLs were exceeded for commercial/industrial use and only benzene <br /> exceeded the residential level for an evaluation against the CHHSLs. The EHD concurs with <br /> the conclusion that the residual petroleum contamination at the site does not pose a significant <br /> threat to the public. The EHD also concurs that a No Further Action Request/Report (NFAR) <br /> should be submitted. Please follow Section 6.6 of the Tri-Regional Board Staff <br /> Recommendations for Preliminary Investigation and Evaluation of Underground Storage Tank <br /> Sites for the minimum information to be included in the NFAR. Complete and submit the <br /> checklist that also can be found in the Tri-Regionals. <br /> You may contact Michael Infurna at (209) 468-3454 if you have any questions. <br /> Michael J. Infurna Jr., REHS Nuel C. Henderson Jr., PG <br /> Senior Registered Environmental Health Specialist Engineering Geologist <br /> c: Mr. James L. Barton, CVRWQCB, Underground Storage Tank Unit, 11020 Sun Center <br /> Drive, #200, Rancho Cordova, CA 95670-6114 <br /> Mr. Mark Owens, SWRCB, PO Box 944212, Sacramento, CA 94244-2120 <br /> Mr. Gary Barker, Horizon Env., 4970 Windplay Drive, #C5, EI Dorado Hills, CA 95762 <br />