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1 NVI 11 l 0) `TI,IF, �Iril <br /> CERTIFICATE OF ANALYSIS <br /> Aria/ytica/ Labar'atory rrirtgr..1n,ww)-21,2000 <br /> TO: William Little <br /> Advanced GeoEnvironmental, <br /> 4005 N. Wilson Way <br /> Stockton, Ca. 95205 <br /> Sample Iq 'rnnation <br /> Sample ID: PE6937-03 Sample Type: Grab <br /> Sample Description: MW 1-25 Project Narne: MBP-Manteca <br /> Dare/Time Sampled: 0 111 312000 9:25:00 AM Sample Matrix: Solid <br /> �� <br /> l QA/QC REPORT <br /> € ANALYTICAL RESULT --_-- <br /> i ! Date LCS Spike MS Spike <br /> Test Parameter Method DLR Unit Result Analyzed Blank Conc. LCS%T Cone. MS% MSD RSD <br /> TPH-Gasoline EPA 8015M/DHS 1 mg/Kg NO 20-Jan-00 NµND `Y0.5 ' -- 97.6% -0.5 _ 96.0% 98.0% 0.5% - <br /> TPH-Diesel EPA 8015M/DHS 10 mgrKg NO 20-Jan-00 NO 50 __ 96.0% 50 98.0% 104.0% 1.5% <br /> ij Methyl t-Butyl Ether(MtBE) EPA8260 5 ug/Kg 110 <br /> 20-Jan-00 - N��,Y 20 YwVT-T100.0% �- 20 101-5°� 98.3% 0.8% <br /> {Benzene EPA 8260 5 ug/Kg NO <br /> 20TJan�00T NDA_- 20 _- 99.1°� 20 102.4% 96.8% 1.4% <br /> II Toluene EPA 8260 5 ug/Kg NO 20`Jan-00 ND -20 -100.7°/T 20 102-4% 96.4% 1.5% <br /> Ethyl Benzene EPA 8260 5 uglKg NO 20 Jan_00 ND^ 20 103.0% - 20 101.1% 95.2% 1.5% <br /> Xylene,Total _ EPA 8260 5 ug/Kg ND 20-Jan-00 ND 40 _ 102.0%^. 40 97.2% 97.9% 0.2% <br /> ing L -milligrarrr.s per Lifer ppm r)r.K-Delc•clio,i broil lr,r the PIRPosc of fZcpnrling RSD-represent relulis•e percent different(RPD)between drrplicules spike of saurples <br /> li.rce tionur sunt,re matrices or mitt-fere+neces rnrn result irr ()I.Dnq,rkzrle of 5'arrtpre <br /> lig r, =n+icragrpph <br /> crnn per Liter= l 1 <br /> hi�Jxr drrc•c't+nrr linrrls of the percent recns•eg ef]icie+rcies u'ilhin the nralri.r <br /> ('omposile (i = Ciruh <br /> LC".5'-+neastrre of the percent recovery'rf the l.rrhvralnry['{�iro[.5prde(Lr-S) <br /> • TFU 1 TTE D, <br /> Jonathan Ileo V. Le, Laburworp Director <br /> i <br /> i <br /> EP:1-tats irorrmerrlrrl <br /> Page 1 of l <br /> Pr'oteclion:Igelxy,llelhnd. - - <br /> 4 sir:srr,nd+rrrr.tilelh�rrforV anrirralifillrr li +eve arii'�rS�t. Suite A Stockton, CA 95204 Tek.: (209) 462-0892 Fax: (209) 462-7935 <br />