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Department of Toxic Substances Control <br /> Edwin F. Lowry, Director <br /> 1()011" Street,25"'Fioor, F, O. Box 808 <br /> Sacramento, California 96912-0$0e Gray Davis <br /> Winston H. Hickox Governor <br /> secretary for <br /> Environmental <br /> Protection M E M O R A N D U M <br /> TO Shawna Chambers,Project Manager <br /> Department of Toxic Substances Control,Region 3 <br /> 1011 North Grandview Avenue <br /> Glendale, California 91202 <br /> : Thomas F. Booze,Ph.D. <br /> FRQ ✓tf/ <br /> Staff Toxicologist <br /> Human and Ecological Risk Division(HERD) <br /> DATE: May 29, 2003 <br /> SUB,YECT: Review of Preliminary Environmental Assessment Report, Lockeford Elementary <br /> School Expansion Site,Lockeford,California <br /> PCA: 14865 Site: 104292-27 <br /> Background <br /> This 2.8-acre site consists of a southern, north, and western parcel, all of which are owned by <br /> the D.H, Winn Trucking Company. The southern parcel is paved and contains a brick warehouse <br /> building from the 1800s. It also is the location for three above ground storage tanks for gear oil, <br /> motor oil, and waste oil, It is used for truck maintenance,truck washing, and administration. <br /> Previous uses have included a grain warehouse, lumber company,brick-making Company, and a <br /> rustic furniture making company, genie spills have occurred here, and a 10,000 gallon <br /> underground storage tank was removed in 1998. <br /> The remaining two parcels are unpaved and are used for parking. Their only known use has been <br /> as a railroad right of way. <br /> The preliminary Endangerment Assessment(PEA) investigation was performed, which consisted <br /> of obtaining soil and soil gas samples, along with some groundwater samples. The results from <br /> this sampling were incorporated into a screening risk assessment. The estimated cancer risk was <br /> calculated to be 1.2E-06, and the noncan=hazard 'index was 0.75. <br /> Document Reviewed <br /> Per your req <br /> uest we reviewed the Preliminary Environmental Assessment Report for Lockeford <br /> Elementary School Expansion Site, 19SS5 North Tully Road, Community of Lockeford,, San <br /> The eneriy challenge facing caloornia ra real. Every cahfornian needs so rake immediate action so reduce energy com„umPtion. <br /> For a list ofsrmple ways you can reduce demand wd cut yvur energy ensu,see our Wsb•aiw at www.dlsc.cg Vv' <br /> (D Printed on Recycled Paper <br /> Told 6T:ZT 500 6E hEW zS99-SSZ-9T6:xpd ASId NUwnH 3SiG <br />