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� J <br /> l <br /> Certificate of Analysis <br /> Geocon Consultants,Inc. Project Number: LINDEN UST,59800-01-34 <br /> 3160 Gold Valley Drive,Suite 800 ReportTo: John Juhrend <br /> Rancho Cordova,CA 95742 <br /> Reported: 12/16/2014 <br /> ` Client Sample ID UST-7.25 <br /> Lab ID: 1403879-01 <br /> Volatile Organic Compounds by EPA 82608 Analyst:AG <br /> Result PQL Date/Time <br /> ` Analyte (ug/kg) (ug/kg) Dilution Batch Prepared Analyzed Notes <br /> tert-Amyl methyl ether ND 250 50 B4L0297 12/10/2014 12/10/1418:10 D2 <br /> tert-Butanol ND 5000 50 134L0297 12/10/2014 12/10/14 18:10 D2 <br /> Surrogate. 1,2-Dichloroelhane-d4 99.3% 67-152 641,0297 12/10/2014 12110/1418.10 <br /> Surrogate:4-Bromofluorobenzene 121% 59-135 134L0297 12/10/2014 11/10/1418:10 <br /> Surrogate.'Dibromofluommethane 96.8% 71-150 B41,0297 12/10/2014 12/10/1418:10 <br /> Surrogate:Toluene-d8 100% 77-129 B4L0297 12/10/2014 12/10/1418:10 <br /> Benzene ND 250 50 B41,0297 12/10/2014 12/10/14 18:10 D6 <br /> Toluene 6500 250 50 B4L0297 12/10/2014 12/10/1418:10 D6 <br /> Ethylbenzene 7300 250 50 B4L0297 12/10/2014 12/10/14 18:10 D6 <br /> m,p-Xylene 55000 5000 500 B41,0297 12/10/2014 12/10/14 17:51 D6 <br /> o-Xylene 24000 2500 500 B41,0297 12/10/2014 12/10/14 17:51 D6 <br /> MTBE ND 250 50 B41,0297 12/10/2014 12/10/1418:10 D6 <br /> Surrogate:1,1-Dichloroelhane-d4 99.3% 67-152 B41,0297 12/10/2014 12/10/1418.10 <br /> Surrogate:1,1-Dichloroerhaned4 96.7% 67-152 B41,0297 12/10/2014 12/10/1417.51 <br /> r. Surrogate:4-Bmmofluombenzene 121% 59-135 B41,0297 12/10/2014 12/10/1418:10 <br /> Surrogate:4-Bromofluorobenzene 104% 59-135 B41,0297 12/10/2014 12/1011417.51 <br /> Surrogate:Dibromofluoromethane 96.8% 71-150 B4L0297 12/10/2014 12/10/1418.'10 <br /> ` Surrogate.'Dibromofluommethane 97.0% 71-150 B4L0297 12/10/2014 12110/1417.51 <br /> Surrogate:Toluened8 100% 77-129 841,0297 12/10/2014 12/10/1418.10 <br /> Surrogate:Toluene-0 103% 77-129 B41,0297 12/102014 12/10/1417:51 <br /> r <br /> r. <br /> L, <br /> 3275 Walnut Avenue,Signal HA/, CA 90755 •Tel:562-989-4045 •Fax:562-989-4040 •imn.atlglobal.com Page 4 of 16 <br />