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San Joaquin County <br /> Environmental Health Department DIRECTOR <br /> 600 East Main Street Donna Heran, REHS <br /> PROGRAM COORDINATORS <br /> f Stockton, California 95202-3029 Robert McClellon,REHS <br /> Jeff Carruesco,REHS, RD] <br /> C� •.— •.• 'P Kase Foley,REHS <br /> Website: www.sjgov.org/ehd Y Y <br /> Phone: (209)468-3420 <br /> Fax: (209)464-0138 <br /> August 3, 2010 <br /> Jollyne Toste <br /> Toste Farms Inc. <br /> 2460 Toste Road <br /> Tracy, CA 95376 <br /> Subject: Tracy Marine Sales <br /> 2353 Taste Road <br /> Tracy, CA <br /> The San Joaquin County Environmental Health Department (EHD) has reviewed Soil Vapor <br /> Intrusion Work Plan (WP), dated June 10, 2010, prepared by Advanced Geo Environmental, Inc. <br /> (AGE). In the WP, AGE proposes advancement of two soil vapor soil borings to a total depth of <br /> four feet below surface grade (bsg). The EHD approves of the proposed work as necessary and <br /> adequate [CA H&S Code, 25296.10(c)(3)] except for the proposed soil boring depths of four feet <br /> bsg. The California Environment�I Protection Agency's (Cal-EPA) Soil Gas Advisory (2003) <br /> recommends soil gas be sample greater that five feet bsg to reduce the effects of barometric <br /> pumping. The EHD approves the WP if soil gas is to be sampled at a depth of five feet, unless a <br /> work plan addendum providing a technical justification for taking the soil gas samples at a depth <br /> of four feet bsg is provided. If soil gas samples cannot be collected at five feet bsg due to <br /> subsurface conditions during the sampling event, the shallower depth can be used. <br /> Submit to the EHD the necessary well permit applications and fees for approval. As of August 1, <br /> 2010, new fees for Well and Boring permits went into effect. Each permit application for soil <br /> borings is $122 and a $366 inspection fee per parcel. Once the well permits have been issued, <br /> notify EHD of the proposed schedule for the work. The EHD requires a minimum 48-hour notice <br /> prior to initiation of any field work on the site. The EHD directs that the proposed work be <br /> implemented by October 3, 2010. The report for this work shall be submitted to Geotracker and <br /> the EHD within 60 days of the date of the completion of the work. <br /> If you have any question <br /> s, please contact Frank Girardi at (209) 953-7868. <br /> r <br /> Frank Girardi, REHS Nuel C. Henderson, Jr., PG <br /> Senior Register Environmental Health Specialist Engineering Geologist <br /> Cc: Jim Barton, CVRWQCB <br /> Brian Millman, Advanced GeoEnvironmental, 837 Shaw Rd., Stockton, CA 95215 <br />