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October 11,2005 <br /> NOA Project Number: E05111A <br /> 3.0 PAST AND CURRENT SOURCES OF CONTAMINATION <br /> 3.1 Research Methods <br /> NOA employs a standard practice for review of database information. On a street map showing the <br /> location of the subject property,a circle is drawn one-quarter mile out from the property boundaries, <br /> and street maps or web-based mapping services are then used to determine address ranges for all streets <br /> within the quarter mile. All agency databases searchable by address are then searched for these address <br /> ranges. <br /> 3.1.1 Regional Water Quality Control Board <br /> NOA reviewed the Leaking Underground Storage Tanks(LUST)list Quly 2005),the WaterPurveyorsQuarterly 01 - <br /> Report on MTBE Quly 2005),and the Spills,Leaks,Investigations,and Cleanups(SLIC)list (1"Quarter) on <br /> file with the Central Valley Regional Water Quality Control Board (CVRWQCB)3 in an attempt to <br /> determine if there are any files present at that agency which note the unauthorized release of a toxic or <br /> hazardous agent into the environment on the subject property or within a one-quarter mile radius of (512--3-5) <br /> the subject property. The subject property was not listed on any of these databases,and no addresses <br /> within one-quarter mile of the subject property were found on the databases. <br /> 3J2 San Joaquin County Environmental Health Department <br /> According to Ms.Diane Martinez of the EHD,no files were available for the subject property address (3d) <br /> of 10151 South Murphy Road 4. <br /> The Underground Storage Tank Site Mitigation Last,dated June 24,2004,and the LOP/Non-LOP Sites list, �3•I) <br /> dated August 5,2005,were reviewed at the EHD on September 28,2005. No listed sites were found <br /> within one-quarter mile of the subject property. <br /> The UST Program Fadlity Inventory by Facility Name,dated April 11,2001,was also searched at the EHD ('3• } <br /> on September 28,2005 for the name of Wildwood Partners and McAndrews. No records were found <br /> for the subject property. <br /> 3California Regional Water Quality Control Board,Sacramento,www.swrcb.ca.gov. <br /> 4Personal Communication,September 25,2005. <br /> 5 <br />