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California Environmental Protection Agency <br /> Department of Toxic Substances Control <br /> Environmental Chemistry Laboratory <br /> '�'"► 700 Heinz Avenue,Suite 100,Botkeiey,CA 94710 <br /> oeapaTN'aNT oe Tawc t <br /> Telephone: 610)640-2122 <br /> _ S4leRTAMC6S.tgMTRGtL - <br /> ANALYTICAL LABORATORY REPORT-METALS(CA-WET) <br /> Authorization No.: 188C0051 Sample Leeation: Thatcher Co of California,Stockton <br /> 1.Sampling Location: Thatcher Co of Cafifomla,Stockton <br /> Address: 1010 Industrial Drive <br /> Stockton,CA 95206 <br /> 2,Requestor'Name: Anne Ekker <br /> Address: 5796 Corporate Ave. <br /> Cypress,CA 90630 <br /> 3.sample(s)History: <br /> Date Collected: 1112912018 <br /> Dale Reeelved: 1 M912018 <br /> WETPreparat'im 12!10-12!12/2019 Method: ECL 05.0025.90 <br /> Date Analyzed: 12113=9 Method: BPA 60100 <br /> Date data package was completed: 12/13/2018 <br /> Case narrativo: <br /> 1,Initial calibration and continuing calibration oriterla were met? YES <br /> 2,Initial and Continuing Calibration blank criteria were met? YES <br /> 3.QC parameters were within control limits? NO <br /> 4.Sample holding time was met? YES <br /> Any solid samples were reported on a wet-weight basis unless otherwise noted, <br /> Comments: <br /> Low nickel recovery was observed in the PSA of BC00893 and confirmed by reran.However the RPD was within limits <br /> indicating possible matrix interference. _. <br /> Sample Prepared(WET)by: Sample Analyzed tor: <br /> tJ w VV Date: Ii' " '� Date: 12 ml 2ealt' <br /> Qjang Wang Aleksandr So° <br /> Page 2 of 15 <br />