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CONDOR EARTH <br /> 188 Frank West Circle,Suite I <br /> Stockton,CA 95206 <br /> 209.234.0518 <br /> Fax 209.234.0538 <br /> CONDORwww.condorearth.com <br /> March 10,2020 R L C E I M U <br /> MAY 2 9 2020 <br /> Mr. Roy Reeves <br /> Reeves Sand&Gravel, Inc. ENVIRONMENTAL HEALTH <br /> PERMIT/SERVICES <br /> PO Box 60 <br /> French Camp, CA 95231 <br /> Re: Addendum to Pesticide Screening Report, APN 131-060-01, 10450 W. McDonald Road, <br /> Stockton,San Joaquin County,California,Condor Project No.8171 <br /> Dear Mr.Reeves: <br /> Condor Earth (Condor) prepared this Addendum to the report of findings for Assessor's Parcel Number <br /> (APN) 131-060-01 located at 10450 W. McDonald Road, Stockton, San Joaquin County,California dated <br /> December 18, 2019. San Joaquin County Environmental Health Department issued a response letter dated <br /> February 27, 2020, in which they noted that the report did not include sample locations Condor collected <br /> on December 9,2019. We have included two figures with this Addendum that show the Site Vicinity and <br /> Site Map with Sample Locations. To reiterate, Condor conducted surface soil sampling on December 9, <br /> 2019 to investigate the presence of persistent agricultural chemicals on APN 131-060-01 located at 10450 <br /> W. McDonald Road, Stockton, San Joaquin County, California. No OCPs were detected at or above <br /> laboratory reporting limits in any of the samples.Arsenic and lead concentrations detected in Site samples <br /> are representative of background concentrations for the Stockton region, and do not pose a significant risk <br /> to human health or the environment. <br /> Based on the laboratory analytical results, Condor recommends no further evaluation for the Site. If you <br /> have any questions or need additional information, please call Alex Dewitt at(209)234-0518. <br /> Respectfully submitted, <br /> CONDOR EARTH TECHNOLOGIES, INC. \O�AAL GFplo <br /> p G? <br /> ALD(ANOER B CEWTT <br /> No.7502 <br /> Alexander B. Dewitt,CA PG No.7502 <br /> Vice President,Environmental Services <br /> OF CAS\E <br /> Attachments: Figure 1: Vicinity Map <br /> Figure 2: Site Map With Sample Locations <br /> XAProject\8000_pd\8171 Reeves Sand and Gravel Pesticide Screening\Reports\20200310.docx <br /> �1� CONDOR <br />