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GeoAnalytical Laboratories, Inc. <br /> 2300 Maryann Dr Train& CA 95380 Phone (209) 669-0100 Fax (209) 668-8516 <br /> email; Iab.geo@att.net <br /> Report WOJ0706 Project : 8th & Eldorado Stockton Date: 10/ 14/ 10 <br /> Jim Thorpe, Inc. Date Recd: 10/07/ 10 <br /> PO Box 357 <br /> Lodi, CA 95241 <br /> CERTIFICATE OF ANALYSIS <br /> Sampler: Richard Chrun <br /> Sample ID: TK-3000 W at 10' <br /> Lab ID Sample Date/ Time RL Method Analyte Result Units Notes Started <br /> WOJ0706-21 10/07/2010 14:20 5.0 82608 1 ,2-Dichloroethane ND ug/kg 10/11/10 10: 19 <br /> 5.0 Benzene ND ug/kg <br /> too Di-isopropyl Ether(DIPE) ND ug/kg <br /> 400 Ethanol ND ug/kg <br /> 10.0 Ethyl tert Butyl Ether (ETBE) ND ug/kg <br /> 5.0 Ethylbenzene ND ug/kg <br /> 10.0 Ethylene dibromide ND ug/kg <br /> 10.0 Methyl tart-Butyl Ethcr (MTBE) ND ug/kg <br /> 10.0 Ter[-Amyl Methyl Ether(TAME) ND ug/kg <br /> 200 teat-Butanol (TBA) ND ug/kg <br /> 5.0 Toluene ND ug/kg <br /> 5.0 Xylenes, total ND ug/kg <br /> 1 .0 GUMS Gasoline ND mg/kg <br /> Surrogate Amat Spiked Amat Recovered % Recovery QC Limit % Surrogate Nates <br /> 1 ,2-Dichloroethane-64 20.00 18. 1 91 % 72-132 <br /> 2-Bromo-l -Chloropropane 20.00 193 96 % 71-134 <br /> 4-Bromofluorobenzene 20.00 20.2 161 % 74- 132 <br /> Sample ID: TK-3000 E at 10' <br /> Lab ID Sample Date/ Time RL Method Analyte Result Units Notes Started <br /> W010706-22 10/07/2010 14:25 1250 82608 1 ,2-Dichloroethane ND ug/kg. 10/11/10 10: 19 <br /> 1250 Benzene ND ug/kg <br /> 2500 Di-isopropyl Elber(DIPE) ND ug/kg <br /> 100000 Ethanol ND ug/kg <br /> 2500 Ethyl ter0rayl Ether (E-TBE) ND ug/kg <br /> 1250 Ethylbeazene 36000 ug/kg — <br /> 2500 Ethylene dibromide ND ug/kg <br /> 2500 Methyl tert-Butyl Ether (MTBE) ND ug/kg <br /> 2500 Tert-Amyl Methyl Ether(TAME) ND ug/kg <br /> 50000 tert-Butanol (TBA) ND ug/kg <br /> 1250 Toluene 16500 ug/kg - <br /> 1250 Xylenes, total 210000 ug/kg <br /> 250 GUMS Gasoline 2420 mg/kg �D-26 <br /> Surrogate Amnt Spiked Ann t Recovered % Recovery QC Limit % Surrogate Notes <br /> 1 ,2-13ichloroethane-d4 5000 4340 87 % 72-132 <br /> 2-Bromo-1 -Chloropropane 5000 4290 86 % 71-134 <br /> 4-Bromofluorobenzene 5000 5280 106 % 74-132 <br /> Mario D'Onofrio Donna Keller <br /> Chemist Laboratory Director <br /> Certification # 2595 <br />