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1 <br /> Ow <br /> Certificate of Analysis <br /> Geocon Consultants,Inc. Project Number: LINDEN UST,59800-01-04 <br /> 3160 Gold Valley Drive,Suite 800 ReportTo: John Juhrend <br /> Rancho Cordova,CA 95742 Reported: 11/26/2013 <br /> Mercury by AA(Cold Vapor)EPA 7471A-Quality Control <br /> Result PQL Spike Source %Rec RPD <br /> Analyte (mg/kg) (mg/kg) Level Result %Rec Limits RPD Limit Notes <br /> Batch B3K0445-EPA 7471 <br /> Blank(63K0445-BLKI) Prepared: 11/22/2013 Analyzed: 11/22/2013 <br /> Mercury ND 0.10 NR <br /> LCS(R3K0445-BSI) Prepared: 11/22/2013 Analyzed: 11/22/2013 <br /> Mercury 0.849202 0.10 0.833333 102 80-120 <br /> Duplicate(B3K0445-DDPI) Source:1303642-01 Prepared: 1122/2013 Analyzed: 11/22/2013 <br /> Mercury ND 0.10 ND NR 20 <br /> Matrix Spike(B3K0445-MSI) Source:1303642-01 Prepared: 11/22/2013 Analyzed: 11/22/2013 <br /> Mercury 0.880709 0.10 0.833333 ND 106 70-130 <br /> Matrix Spike Dup(B3Ko445-MSDI) Source:1303642-01 Prepared:11/22/2013 Analyzed: 11/22/2013 <br /> Mercury 0.884376 0.10 0.833333 ND 106 70-130 0.415 20 <br /> Post Spike(113)(0445-PSI) Source:1303642-01 Prepared:11/22/2013 Analyzed: 11/22/2013 <br /> Mercury 0.005891 5.00000E-3 0.000065 117 85-115 MI / <br /> V <br /> 3275 Walnut Avenue,Signal Hill, CA 90755 -Tel. 561-989-4045 a Fax:562-989-4040•wwtv.atlglobal.com r Page 18 of 30 <br /> w <br />