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ENVIRONMENTAL HEALT EPARTMENT <br /> SAN JOAQUIN COUNTY <br /> Unit Supervisors <br /> G ervisors <br /> z•: `•. 2 Donna K Heran,R.E.H.S. Carl Borgman,R.E.H.S. <br /> 304 East Weber Avenue, Third Floor <br /> Director Mike Huggins,R.E.H.S.,R.D.I. <br /> .., ,:'• Al Olsen,R.E.H.S. Stockton, California 95202-2708 Douglas W.Wilson,R.E.H.S. <br /> P Manager M <br /> Program�4. <br /> Pro g g Telephone: (209) 468-3420 Margaret Lagorio,R.E.H.S. <br /> Laurie A.Cotulla,R.E.H.S. Robert McClellon,R.E.H.S. <br /> Program Manager Fax: (209} 4{)4-0138 Mark Barcellos,R.E.H.S. <br /> GEORGES SERVICE <br /> 1600 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 (] <br /> DISAPPROVED [X] <br /> ADDENDUM NEEDED [X] Submit BY: April 29.2002 <br /> COMMENTS and REASONS FOR DISAPPROVAL OF THE WORK PLAN [H&S 25299.3 subd c 3 : <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 18 2002 BY e ecca E. eif,EHS. �09)468-'3440 <br /> --Cc: . CVRWQCB—Marty Hartzell <br /> Geological Technics Inc.—Raynold I.hablanow H,Ph.D. <br /> i <br /> i <br /> i <br />