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San Joaquin County DIRECTOR <br /> o N Donna Heran,REHS <br /> �0. Cp Environmental Health. Department <br /> ASSISTANT DIRECTOR <br /> 600 East Main Street Laurie Cotulla, REHS <br /> Stockton, California 95202-3029 PROGRAM COORDINATORS <br /> • _�� Carl Borgman, REHS <br /> Mike Huggins,RENS,RDI <br /> Website: www.sjgov.org/ehd Margaret Lagorio, REHS <br /> Phone: (209)4681-3420 Robert McClellon,REHS <br /> Fax: (209)464-0138 ,teff Carruesco,REHS, RDI <br /> JAN 0 2 200 Kasey Foley, REHS <br /> STEPHANIE FURGAL SANDRA YACOUB <br /> CHEVRON ENV MGMT COMPANY ROMEO YACOUB <br /> 6001 BOLLINGER CYN RD K2240 3978 S HWY 99 E FR RD <br /> SAN RAMON CA 94583 STOCKTON CA 95215 <br /> RE: Low Price Auto Glass/Former Texaco SITE CODE: 1322 <br /> 3978 S. Hwy. 99 E. Frontage Road <br /> Stockton CA 95215 <br /> San Joaquin County Environmental Health Department(SJC/EHD) has reviewed Site <br /> Assessment Work Plan Addendum (Addendum) dated December 18, 2007, submitted on <br /> your behalf by Arcadis BBL (Arcadis) and has the following comments. <br /> Arcadis proposes in the Addendum to investigate the vertical extent of the groundwater <br /> contamination at this site with the collection of soil and a grab groundwater sample from <br /> one soil boring and a temporary well. The boring will be advanced using sonic drilling <br /> technology. Arcadis states that the location for this boring will be determined following the <br /> installation of shallow groundwater monitoring wells and determination of groundwater <br /> flow direction, and whether or not they can locate the former underground storage tank <br /> (UST) pit area. Proposed total depth of the boring is 150 feet below surface grade; depth <br /> interval for collection of the groundwater sample will be determined in the field. <br /> SJC/EHD approves the proposed scope of work, noting that deep groundwater monitoring <br /> wells may still be required and the vertical extent of the contamination near well MW-1 <br /> and boring P-3 must be defined. <br /> If you have any questions please call Lori Duncan at (209) 468-0337. <br /> Donna Heran, REHS, Director <br /> Environmental Health Department <br /> Lori Duncan, Senior REHS 'Nuel C. Henderson, Jr., PG <br /> LOP/Site Mitigation Unit IV LOP/Site Mitigation 'Unit IV <br /> cc: James Barton, CVRWQCB <br /> David Lay, Arcadis <br /> Art Deicke, AGE <br />