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j <br /> Certificate of Analysis <br /> Geocon Consultants,Inc. Project Number: LINDEN UST,S9800-01-34 <br /> 3160 Gold Valley Drive,Suite 800 ReportTo: John Juhrend <br /> Rancho Cordova,CA 95742 <br /> Reported: ]2/]6/2014 <br /> BTEX/MTBE by EPA 8021 -Quality Control <br /> Result PQL Spike Source %Rec RPD <br /> Analyte (ug/kg) (ug/kg) Level Result %Rec Limits RPD Limit Notes <br /> r <br /> Batch 641,0283-GCVOA S <br /> Blank(B4L0283-BLKI) Prepared:12/10/2014 Analyzed: 12/10/2014 <br /> r <br /> Benzene ND 5.0 <br /> NR <br /> Toluene ND 5.0 <br /> NR <br /> Ethylbenzene ND 5.0 NR <br /> r m,p-Xylene ND 10 NR <br /> o-Xylene ND 5.0 NR <br /> Surrogate:4-BromoJluorobeuene 183.5 100.000 91.8 53-144 <br /> LCS(B4L0283-BS2) Prepared:12/10/2014 Analyzed:12/102014 <br /> Benzene 100.067 5.0 100.000 100 70-130 <br /> Toluene 98.4760 5.0 100.000 98.5 70-130 <br /> Ethylbenzene 98.8950 5.0 100.000 98.9 70-130 <br /> m,p-Xylene 210.799 10 200.000 105 70-130 <br /> o-Xylene 100.047 5.0 100.000 100 70-130 <br /> Surrogate.'4-BromoJluorobenzene 189.8 100.000 94.9 53-144 <br /> ` Duplicate(1141,0283-DUPI) Source:1403879-02 Prepared:12/10/2014 Analyzed:12/102014 <br /> Benzene ND 5.0 ND NR 20 <br /> Toluene ND 5.0 ND NR 20 <br /> Elhylbenzwe ND 5.0 ND NR 20 <br /> m,p-Xylene ND 10 ND NR 20 <br /> o-Xylene ND 5.0 ND NR 20 <br /> Surrogate:4-BromoJluorobemene 189.0 200.000 94.5 53-144 <br /> ` Matrix Spike(B4L0283-MSI) Source:1403879-02 Prepared:12/10/2014 Analyzed: 12/102014 <br /> Benzene 36.2820 5.0 40.7500 ND 89.0 14-146 <br /> Toluene 137.988 5.0 202.250 ND 68.2 33-123 <br /> ` Ethylbenzene 40.2790 5.0 76.0000 ND 53.0 20-102 <br /> m,p-Xylene 148.027 10 206.500 ND 71.7 39-120 <br /> o-Xylene 54.4390 5.0 73.5000 ND 74.1 34-131 <br /> Surrogate:4-BromoJluorobenzene 198.1 100.000 99.0 53-144 <br /> Matrix Spike Dup(B4L0283-MSDI) Source:1403879-02 Prepared:12/10/2014 Analyzed: 12/10/2014 <br /> Benzene 40.4860 5.0 40.7500 ND 99.4 14-146 11.0 20 <br /> Toluene 154.349 5.0 202.250 ND 76.3 33-123 11.2 20 <br /> Ethylbenzene 45.9640 5.0 76.0000 ND 60.5 20-102 13.2 20 <br /> m,p-Xylene 168.407 10 206.500 ND 81.6 39-120 12.9 20 <br /> 0-Xylene 62.3580 5.0 73.5000 No 84.8 34-131 13.6 20 <br /> Surrogate:4-BromoJluorobemene 198.9 100.000 99.5 53-144 <br /> 3275 Walnut Avenue,Signal Hill, CA 90755 a Tel.562-9894045•Fax.562-989-4040•www.adglobaLcont r Page 10 of 16 <br /> r <br />