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g <br /> `f a <br /> San Joaquin County DIRECTOR <br /> PQ N Donna Heran, REHS <br /> �O }.C� Environmental Health Department ASSISTANT DIRECTOR <br /> 22 600 East Main Street Laurie Cotulla,REHS <br /> u¢i g { " f < <br /> T Stockton, California 95202-3029 PROGRAM COORDINATORS <br /> •'• - trf'• Carl Borgman,REHS <br /> Mike Huggins,REHS,RDI <br /> q��OR�,� Website: www.sjgo.v.org/ehd Margarettagorio, REHS <br /> Phone: (209)468-3420 Robert McClellon,REHS <br /> Fax: (209)464-0138 Jeff Carruesco,REHS,RDI <br /> Kasey Foley,REHS <br /> TOM CRAWSHAW <br /> MASONITE CORPORATION JUN O 8 2DO1 <br /> 1955 POWIS -RD <br /> WEST CHICAGO IL 60185 <br /> RE: Premdor SITE CODE: 0001329 <br /> 433 W. Scotts Ave. <br /> Stockton, CA <br /> San Joaquin County Environmental Health Department(EHD) has denied "Interim Remedial <br /> Action Plan" Work Plan submitted to GeoTracker the State internet database on June 4, 2007, <br /> prepared by Advanced GeoEnvironmental.Inc. (AGE)for the above referenced site.. <br /> The Work Plan proposes installation of a monitoring well and three ozone wells and conducting a <br /> 24-week ozone injection test. Prior to installation of additional monitoring wells, the excavation of <br /> 550 to 600 cubic yards of contaminated soil and collection of soil samples from the sidewalls and <br /> bottom of the excavation and stockpiled soil should be completed and a report of the work <br /> submitted for EHD review and comment. The excavation work is scheduled to be completed this <br /> month and a report on the excavation and soil sample results should be submitted to EHD within <br /> 60 days of completion of the work. A proposal for installation of additional monitoring wells can <br /> be submitted with the excavation report. Quarterly monitoring/sampling of the existing monitoring <br /> wells is to continue. This information can be used to evaluate the effect of the removal of the <br /> contaminated soil on the groundwater and determine if additional remedial action is required. If <br /> further remediation is required, two alternatives should be evaluated and the most cost effective <br /> alternative should.be proposed. <br /> Please.be advised that prior to proposing ozone injection a bench scale test work plan must be <br /> submitted to the Central Valley Regional Water Quality Control Board (CVRWQCB). Once this <br /> work has been approved by the CVRWQCB and they have approved of ozone injection, then <br /> installation of ozone injection wells can be proposed. <br /> Enclosed is a copy of a public notice to inform the"nearby residents of the excavation work. <br /> .If you have any questions contact me at(209)468-3449. <br /> Donna Heran, REHS, Director <br /> Environmental Health Department <br /> Margarea t�REHS <br /> Program Coordinator, Unit IV <br /> cc: CVRWQCB—Jim Barton <br /> AGE—'Art Deicke <br /> Enc. <br />