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San Joaquin County DIRECTOR <br /> Environmental Health Department <br /> Donna Heran,REHS <br /> p ASSISTANT DIRECTOR <br /> 600 East Main Street Laurie Cotulla,REHS <br /> Stockton, California 95202-3029 PROGRAM COORDINATORS <br /> :. <br /> Mike Huggins,REHS,RDI <br /> C9' �• ci�P .sjg .org/ehd <br /> Margaret Lagorio,REHS <br /> Website: wwwov <br /> i F o R Robert McClellon,REHS <br /> Phone: (209)468-3420 Jeff Carruesco,REHS,RDI <br /> Fax: (209) 464-0138 Kasey Foley,REHS <br /> April 6, 2009 <br /> Paul Verma Rosaia, D & NC Trust, etal <br /> City of Tracy PO Box 274 <br /> 520 Tracy Boulevard Tracy CA 95378 <br /> Tracy CA 95376 <br /> Subject: Delta Disposal Site Code: 2183 <br /> 99 West Sixth Street <br /> Tracy CA 95376 <br /> The San Joaquin County Environmental Health Department (EHD) has reviewed Limited <br /> Phase // Site Investigation (Report) dated April 2, 2009, submitted on your behalf by <br /> Wright Environmental Services, Inc. (Wright) and has the following comments. <br /> The Report documents the installation of three shallow groundwater monitoring wells to <br /> continue the investigation of the above subject contaminated underground storage tank <br /> (UST) site. Analytical results reported from soil and groundwater samples indicate that <br /> one of the wells, MW-2, is impacted with total petroleum hydrocarbons as diesel (TPHd). <br /> In order to verify the reported contamination and determine the next required investigative <br /> action at the site, routine quarterly groundwater monitoring and sampling should be <br /> initiated. <br /> Please proceed with initiation of routine quarterly groundwater monitoring and sampling of <br /> the three wells, and submittal of reports documenting the results to the EHD and to <br /> GeoTracker, the State Water Resources Control Board database website. The wells were <br /> installed and initially sampled in December 2008; therefore, the routine quarterly events <br /> must begin immediately and must continue until directed otherwise by the EHD. <br /> The Report was submitted to GeoTracker, but the boring logs, laboratory data in <br /> Electronically Deliverable Format, latitude, longitude and elevation survey report have not <br /> bee submitted to GeoTracker. These items should be submitted to GeoTracker no later <br /> than May 6, 2009. If you have any questions please call Lori Duncan at (209) 468-0337. <br /> Sincerely, <br /> Lori Duncan, REHS Margare Lagorio, REHS <br /> Registered Environmental Health Specialist Program Coordinator <br /> c: James Barton, CVRWQCB, 11020 Sun Center Drive, #200, Rancho Cordova CA 95670 <br /> John Lynch, Wright Environmental, 2395 East Pescadero Avenue, Tracy CA 95304 <br />