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Po�,N San Joaquin County <br /> ?0_— Environmental Health De a DIRECTOR <br /> .F< O <br /> 600 East Main Street p rtnlent Donna Heran,RENS <br /> ASSISTANT DIRECTOR <br /> j: Stockton, California 95202-3029 Laurie COtulla,REHS <br /> �'cyC PROGRAM COORDINATORS r F o R N\c Carl Sorgman, REHS <br /> Website; www-sjgov.Org/ehd <br /> Phone: (209) 468-3420 Mike Huggins, REHS, RDI <br /> Margaret Lagorio,RENS <br /> Fax: (209) 464-0138 Robert McClellon, REHS <br /> Jeff Carruesco, REHS, RDI <br /> 'JAN 0 4 Kasey Foley, REHS <br /> RAYMOND GREER 2008 <br /> RAYMOND GREER CONSTRUCTION <br /> ALBERT & WANDA VELDSTRA <br /> 1601 CABRILLO COURT <br /> MODESTO CA 95355 15634 STEINEGUL ROAD <br /> ESCALON CA 95320 <br /> RE: Former Greer Construction <br /> 15634 Steinegul Road SITE CODE: 2021 <br /> Escalon CA 95320 <br /> San Joaquin County Environmental Health Department (SJC/EHD) Office has reviewed <br /> Work Plan Addendum (Addendum) dated January 3, 2008, submitted on your behalf by <br /> ATC Associates, Inc. (ATC) and has the following comments. <br /> The Addendum describes the proposed locations and methods for advancing six cone <br /> penetrometor test (CPT) borings at the above referenced contaminated underground <br /> storage tank site. The purpose of the CPT borings is to gather additional data to develop <br /> a more complete hydrogeologic model of the site and to investigate the vertical and lateral <br /> extent of the groundwater contamination. Target depth of the CPT borings is 130 feet <br /> below surface grade (bsg); a minimum of two discrete water samples will be collected at <br /> each boring location. <br /> SJC/EHD approves the proposed scope of work. If you have any questions or comments <br /> please call Lori Duncan at (209)468-0337. <br /> Donna Heran, REHS, Director <br /> Environmental Health Department <br /> Lori Duncan, Senior REHS <br /> LOP/Site Mitigation Unit IV Nuel Henderson, Jr., PG <br /> Engineering Geologist, Unit IV <br /> cc: James Barton, PG, CVRWQCB <br /> Jeanne Homsey, PE, ATC <br /> Lorraine Sawyer, PG, ATC <br />�I <br />