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i <br /> GeoAnalytical Laboratories , Inc. <br /> 2300 Maryann Dr. Turlock CA 95380 Phone (209) 669-0100 Fm (209) 669-8516 <br /> email: lab.geo uatt.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 /> Volatile Organic Chemistry - Quality Control <br /> J GeoAnalytical Laboratories, Inc. <br /> 1 <br /> Reporting Spike Source %REC RPD <br /> Analyte Result Limit Units Level Result %REC Limits RPD Limit Notes <br /> i <br /> Batch W002752 - EPA 5030 Prepared & Analyzed: 10/11/10 <br /> Matrix Spike (WO02752-MSI ) _ Source: W030706-21 _ <br /> 1 .2-Dichloroethane 56. 1 5.0 ug/kg 60.00 ND 94 69-140 <br /> Benzene 60.0 5,0 If 60.00 ND 100 53-120 <br /> Di-isopropyl Elhef(D(PE) 56.4 10.0 If 60.00 ND 94 68-134 <br /> Methyl Cert-Butyl Ether (MTBE) 62.3 10.0 It 60.00 ND 104 76-179 <br /> Tert-Amyl Methyl Ether(TAME) 60.2 10.0 60.00 ND 100 69-140 <br /> Toluene 55.6 5.0 60.00 ND 93 48-120 <br /> Gasoline 1 .8 1 .0 mg/kg 1 .500 ND 117 63- 143 <br /> Surrogate: 1,2-Dichloroethane-d4 17, 7 ug/kg 20.00 89 71-132 <br /> Surrogate: 2-8ranco-l-Chloropropane /73 20. 00 87 71434 <br /> Surrogate: 4-Bronutluorobenurne 193 20. 00 97 74-132 <br /> Surrogate: 1,2-Dichloroethane44 0.0161 nig/kg 0. 02000 81 71-131 <br /> Surrogate: 2-Brmno-1-Chloropropane 0. 0179 of 0. 02000 89 71434 <br /> Surrogate. 4-Bromrfluoroben_ene 0. 0304 " 0.02000 102 74-132 <br /> Matrix Spike Dup (WO02752-MS_ DI ) _ Source: WOJ0706-21 <br /> 1 ,2-Dichloroethanc 53.0 5.0 ug/kg 6200 ND 88 69-140 6 30 <br /> Benzene 61 .4 5.0 60.00 ND 102 53-120 2 20 <br /> Di-isopropyl Ether (DIPE) 590 10.0 WOO ND 98 68-134 5 20 <br /> Methyl tert-Butyl Ether (MTBE) 58. 1 10.0 60.00 ND 97 76- 179 7 28 <br /> Tert-Amyl Methyl Ether(TAME) 58.2 120 If 60.00 ND 97 69-140 3 19 <br /> Toluene 63.2 5.0 If 60.00 NO 105 48-120 13 24 <br /> Gasoline 1 .9 1 .0 mg/kg 1 .500 ND 124 63-143 6 34 <br /> Surrogate: 1, 1-Diehloroethane-d4 16.4 <br /> - _ ug/kg _ 2000. 82 72-132 <br /> Snrrogare.: 2-8roma-1-Ch1oropropane 19. 3 if 20. 00 97 71-134 <br /> Surrogate: 4-Bromolluorohencene 19. 3 IF 2(100 97 74-132 <br /> Surrogate: l. 2-Dic1doroethane-d4 0.0158 mg/kg 002000 79 71-131 <br /> Surrogate. 2-Bromo-1-Chloropropane 0.0191 " 0.02000 96 71-134 <br /> Surrogate 4-Brom fluoroben_ene 0. 0194 If 0. 02000 97 74-132 <br /> Certification 9 2585 <br />