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ENVIRONMENTAL HEALTAEPARTMENT <br /> SAN JOAQUIN COUNTY <br /> Unit Supervisors <br /> Q Donna K.Heran,R.E.H.S. 304 East Weber Avenue, Third Floor Carl Bor an,R.E.H.S. <br /> p Director > <br /> 1 Mike Huggins,R.E.H.S.,R.D.I. <br /> At Olsen,R.E.H.S. Stockton, California 95202-2708 Douglas W.Wilson,R.E.H.S. <br /> • cgCIFON�c • Program Manager Telephone: (209) 468-3420 Margaret Lagorio,R.E.H.S. <br /> Laurie A.Cotulla,R.E.H.S. Fax: (2O9)464-0138 Robert McClellon,R.E.H.S. <br /> Program Manager Mark Barcellos,R.E.H.S. <br /> GEORGES SERVICE <br /> 3.600 DURHAM FERRY RD <br /> TRACY CA 95376 <br /> RE: GEORGES SERVICE Site Code: 1550 <br /> 1600 DURHAM FERRY RD <br /> TRACY CA 95376 <br /> WORK PLAN:WORK PLAN FOR BIO-VENTING/VAPOR EXTRACTION <br /> DATED:2/5/02 <br /> PREPARED BY: GEOLOGICAL TECHNICS INC <br /> APPROVED I <br /> DISAPPROVED [X] <br /> ADDENDUM NEEDED [X] Submit BY: April 29 2002 <br /> COMMENTS and REASONS FOR DISAPPROVAL OF THE WORK PLAN[H&S 25299 37 subd(c)(3)1• <br /> 1. The work plan proposes installation of a Bio-Venting/Vapor Extraction system and to operate the system for a <br /> year. Before a dedicated system can be installed a feasibility study needs to be completed. The feasibility study will help <br /> to determine if a vapor extraction system will work at this site. A new work plan for feasibility study for a Bio- <br /> Venting/Vapor Extraction system is due by April 29,2002. <br /> DATED March IS 2002 BYAeecca l2 f, EHS (2091468-3440 <br /> Cc: CVRWQCB—Marty Hartzell <br /> Geological Technics Inc.—Raynold I.Kablanow II,Pla.D. <br />