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ENVIRONMENTAL HEALTHI)EPARTMENT <br /> SAN JOAQUIN COUNTY <br /> % Donna K. Heran, R.E.H.S. Unit Supervisors <br /> Director 304 East Weber Avenue,Third Floor Carl Borgman,R.E.H.S. <br /> - <br /> At Olsen, R.E.H.S. Stockton,California 95202-2708 Mike Huggins, R.E.H.S.,R.D.I. <br /> �,�/FORN`P• Program Manager Telephone: (209)468-3420 Douglas W.Wilson,R.E.H.S. <br /> Laurie A. Cotulla, R.E.H.S. Margaret Lagorio,R.E.H.S. <br /> Program Manager Fax: (209)464-0138 Robert McClellon, R.E.H.S. <br /> Website:www.sjgov.org/ehd/ Jeff Carruesco,R.E.H.S. <br /> D CHARLES SKOBRAK AUG 22OQ <br /> 9947 EAST HIGHWAY 26 <br /> STOCKTON CA 95215 <br /> RE: Larry's Auto SITE CODE 1122 <br /> 308 North Grant Street RO: 194 <br /> Stockton, CA 95202 <br /> In December 2004, San Joaquin County Environmental Health Department(EHD)approved a work <br /> plan for installation of one groundwater extraction well to fifty feet below surface grade(bsg) and a <br /> groundwater aquifer extraction pilot test for interim remediation at this site. EHD also <br /> recommended that an additional extraction well be installed adjacent to the first extraction well and <br /> screened between 58 and 73 feet bsg and that you perform a pumping test for this extraction well, <br /> also. EHD directed you to submit an addendum to the work plan by February 3, 2005,that included <br /> the installation of a second extraction well to a total depth of 73 feet bsg. To date, EHD has not <br /> received this addendum or a proposal for a technically equivalent alternative for meeting the same <br /> objective; and you have not installed the groundwater extraction well previously approved by EHD. <br /> You are directed to submit the work plan addendum to EHD by September 29, 2005, complete the <br /> installation of the extraction well by October 28, 2005, and complete the extraction pilot test by <br /> November 30, 2005. <br /> In December 2004 and January 2005, cone penetrometer testing (CPT) borings CPT-1, CPT-5, <br /> CPT-6, CPT-7, CPT-8, and CPT-9 were advanced on and off-site. To date, EHD has not received <br /> the report of findings for this investigation. EHD directs you to submit the analytical results for soil <br /> and groundwater samples collected during the advancement of these borings by September 8, 2005, <br /> and submit the report of findings by September 29,2005. <br /> If you have any questions,please contact Vicki McCartney at(209)468-3456 or by email at <br /> vinccartney@sjcehd.com. <br /> Donna Heran,REHS, Director <br /> Environmental Health Department / <br /> Victoria L. Mc rtney, Senior REHS Nuel C. Henderson,Jr.,PG <br /> LOP/Site Mitigation Unit IV LOP/Site Mitigation Unit IV <br /> c: Daniel W.Kalmbach-AGE <br /> James L.L. Barton,PG-CVRWQCB <br />