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�%W <br />On! <br />Frr, <br />Aalytical Laboratory <br />Attention: Robert. E. Marty <br />Advanced GeoEnvironmental, Inc. <br />837 Shaw Road <br />Stockton, CA 95215 <br />r <br />CERTIFICATE OFANALYSIS <br />Thursdq); October 17, 2013 <br />Volatile Organic Compounds by EPA Method 8260B - Quality Control <br />Precision Enviro-Tech <br />Report Page 18 of20 <br />Reporting Spike Source %REC RPD <br />malyte Result Limit Units Level Result %REC Limits RPD Limit Notes <br />Batch AJ31513 - Volatiles <br />Blank (AJ31513-BLKI) <br />Prepared & Analyzed: 15 -Oct -13 <br />tert-Butyl Alcohol (TBA) <br />ND <br />50.0 ug/kg <br />Methyl tert-butyl Ether (MtBE) <br />ND <br />5.00 " <br />Diisopropyl Ether (DIPE) <br />ND <br />5.00 " <br />Ethyl tert-Butyl Ether (ETBE) <br />ND <br />5.00 <br />cert -Amyl Methyl Ether (TAME) <br />ND <br />5.00 <br />1,2-Dibromoethane (EDB) <br />ND <br />5.00 " <br />1,2-Dicliloroethane <br />ND <br />5.00 " <br />Ethylbenzene <br />ND <br />5.00 " <br />Benzene <br />ND <br />5.00 " <br />Toluene <br />ND <br />5.00 <br />111'p -Xylene <br />ND <br />5.00 " <br />o -Xylene <br />ND <br />5.00 " <br />TPH-Gasoline <br />ND <br />200 <br />LCS (AJ31513-BSI) <br />Prepared & Analyzed: 15 -Oct -13 <br />1,2-Dichloroethane <br />ND <br />5.00 ug/kg <br />75-122 <br />Ethylbenzene <br />8.43 <br />5.00 <br />8.46 100 <br />75-125 <br />Benzene <br />4.00 <br />0.500 <br />4.43 90 <br />75-125 <br />Toluene <br />34.1 <br />5.00 <br />34.5 99 <br />75-125 <br />nt,p-Xylene <br />36.4 <br />5.00 <br />36.0 101 <br />75-125 <br />o -Xylene <br />11.2 <br />5.00 <br />13.0 86 <br />75-125 <br />TPH-Gasoline <br />920 <br />200 <br />1000 92 <br />75-125 <br />Matrix Spike (AJ31513-MSI) <br />Source: <br />3101110-01 <br />Prepared & Analyzed: 15 -Oct -13 <br />1,2-Dichloroethane <br />ND <br />5.00 ug/kg <br />ND <br />0-200 <br />Ethylbenzene <br />44.4 <br />5.00 <br />33.8 32.9 34 <br />0-200 <br />Benzene <br />18.2 <br />5.00 <br />17.7 3.88 81 <br />75-125 <br />Toluene <br />154 <br />5.00 <br />138 74.0 58 <br />75-125 QM -4X <br />m.p-Xylene <br />208 <br />5.00 <br />144 145 43 <br />0-200 <br />o -Xylene <br />49.3 <br />5.00 <br />52.0 44.0 10 <br />0-200 <br />TPH-Gasoline <br />5260 <br />200 <br />4000 510 119 <br />75-125 <br />nrg: L = ruilligranrs per Lifer = ppr, DLR = Detection Lirnit for purpose of Reporting. <br />ug L = micrngrains per Liter = ppb Erceptiorml sample matrices or interferences nroy <br />result in higher delection limits. <br />RESPECTFULLY SUBMITTED, <br />Jonathan Le, Laboratory Director <br />3Q 3 5 V Cnrnnado Ave Stockton CA. 95204 phone: (209) 477-810.5 Fax: (209) 546-7497 <br />