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03/10/2508 15:40 2095720916 GEO PAGE 04120 <br /> GeoAnalytical Laboratories, Inc. <br /> 1405 Kansas Avenue Modesto,CA 95351 Phone(209)572-0900 Fax(209)572-0916 <br /> Date: 03/04/08 <br /> Report# U8C0305 Project:Zelmer Well <br /> Date Recd: 03/03/08 <br /> Dietz Engineering&Construction,Lac <br /> 33233 'So Koster Rd PO#: <br /> Tracy,CA 95304 <br /> Volatile Organic Chemistry-Quality Control <br /> GeoAnalytical Laboratories,Inc. <br /> Reporting Spike Source °l°REC RPD <br /> Analyte Result Limit Units Level Result °/aREC Limits RPD Limit Now <br /> Batch U000694-EPA 50306 Prepared&Analyzed:03/03/08 <br /> Blank(UC00694-BLKI) _. _ - _-.. - _.. _- - -- -••- - -_- <br /> Benzene - - -- - - - ND - 0.3 uA <br /> Ethylbenzene ND 0.3 " <br /> Toluene ND 0.3 " <br /> Xylenes,total ND 0.6 <br /> Gasoline ND 0.05 nWL <br /> Surrogate:a,a,a-Ti•f/luorotoluene 23.1 u91L 15.00 92 70-125 <br /> LCS(U000694-BSI) <br /> Benz=o - 10.1 _ 0.3 ug1L 10.00+ 101 80-120 - <br /> Ethylbeazenc 9.1 0.3 " 10.00 91 80-120 <br /> Toluene 9.2 0.3 10,00 92 80-120 <br /> Gasoline 0.22 0,05 mglL 0.2500 90 80-120 <br /> Surrogate:a,qa-Trifluorotoluene 22.7 ug/1. 15.00 91 70-119 <br /> Surrogate:a,qa-7NJluoro1o1uene 0.0187 mg/L 0.01500 115 70-123 <br /> _Matrix S iLkke(U00069�-A Sl) - _Source:€JSC03_05-01 <br /> Benzene - - - 10.2 - 0.3 ug/L. 10.00 ND 102 54.8-129 <br /> Ethylbenzene 9.1 0.3 10.00 ND 91 49.8-128 <br /> Toluene 9.3 0.3 10.00 ND 93 53.9-127 <br /> Gasoline 0.21 0.05 mg/L 0.2500 ND 85 64-143 <br /> Surrogate:a,a,a-Trifluorololuene 21.7 VE 25.00 87 70-115 <br /> Surrogate:a.a,a-Triuororoluene 0.0238 mg/L 0.01500 95 70-115 <br /> Matrix Spike Dug(U000694-%ISDt) - Source:USC03_05-01 <br /> Benzene 10.0 0.3 ug/L 10.00 ND 100 54.8-129 2 21.4 <br /> Etltylbe=ne 8.9 0.3 " 10.00 ND 89 49.8-128 2 22.3 <br /> Toluene 9.2 0.3 10.00 ND 92 53.9-127 2 21.6 <br /> Gasoline 0.19 0.05 mglL 0.2500 ND 77 64143 10 22 <br /> Surrogate_44a-Priflvarotoluene 14.6 ug& 13.00 98 70-125 <br /> Surrogate:,%a,a-Trifluaratoluene 0.0232 mg1L 0.01500 93 70.125 <br /> Certification#2585 <br />