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® C rf)7wd GZCOD = T [ Qr1 CERTIFICATE OF ANALYSIS <br /> Analytical Laboratory <br /> Alamrlay, November 01, 1999 <br /> TO: William Little <br /> Advanced GeoEnvironmental, <br /> 4005 N . Wilson Way <br /> Stockton, Ca. 95205 <br /> I <br /> Sample Ittforniation <br /> Sample ID: PE- 6245-08 Sample Type: Grab <br /> Sample Description: TK 4-E- 13' Project Name: Quick & Save 1901 So. Eldo <br /> Date/TitneSampled: 10/21 /99 1 :25:00 PM Sample Matrix: Soil <br /> ^ <br /> ANALYTICAL RESULT Q AI QC REPORT <br /> Date LCS Spike ME Spike <br /> Test Parameter Method _ DLA Unit Result Analyzed Blank Colic. LCS% Cone. MS% MSD RSD <br /> Lead (Pb) EPA 6010 1 mg/Kg 5 01 -Nov-99 NO 0.02 91 .6% 0.02 114.4% 118.0% 0.8% <br /> TPH-Gasoline EPA 8015M/DHS 1 mg/Kg NO 25-Oct-99 NO 0.5 96,0% 0.5 102.0% 90.0% 3.1 % <br /> TPH-Diesel EPA 8015M/DHS 1 mg/Kg NO 25-Oct-99 NO 50 96.0% 50 110.0% 104.0% 1 .4% <br /> ., <br /> Methyl t-Butyl Ether EPA8260 5 ug/Kg ND 25-Oct-99 NO 40 87.5% 40 87.5% 105.0% 4.5% <br /> Diisopropyl ether (DIPE) EPA8260 5 ug/Kg ND 25-Oct-99 NO 40 95.0% 40 95.0% 97.5% 0,6% <br /> Ethyl-t-butyl ether (ETRE) EPA8260 5 ug/Kg ND 25-Oct-99 ND 40 90.0% 40 90.0% 97.5% 2.0% <br /> Tert-amyl methyl ether (TAME) EPA8260 5 ug/Kg ND 25-Oct-99 NO 40 100,0% 40 105.0% 102.5% 0,6% <br /> t-Butanol (TBA) EPA8260 5 ug/Kg NO 25-Oct-99 NO 40 87.5% 40 87.5% 85.0% 01% <br /> Benzene EPA 8260 5 ug/Kg ND 25-Oct-99 NO 40 95.0% 40 137.5% 140.0% 0.5% <br /> Toluene EPA 8260 5 ug/Kg ND 25-Oct-99 NO 40 95.0% 40 120.0% 130.0% 2.0% <br /> Ethyl Benzene EPA 8260 5 ug/Kg NO 25-Oct-99 ND 40 87.5% 40 102.5% 120.0% 3.9% <br /> �I Xylene, Total EPA 8260 5 ug/Kg ND 25-Oct-99 NO 80 93.8% 80 143,8% 156,3% 2.1 % <br /> I <br /> mg/(. rni It igramc pct Liter = ppm D/.R- Detection l.irnil (lir the Purpose of Reporting. RSD- ecru eserrt relative percent different (RPD) between duplicates spike afsampfes <br /> 1 , ug/l, inicrograrns pct Luer - ppb Rsceplional sample matrices or intell rureces rimy result in or Duplicate ofsomple <br /> ` C Composite G Grnb l"ghCi de'tcclion limns A/S7h1SD-measure afore percent recovery efficiencies within the nmtrix <br /> I "I LCS- ureas re o(the percent recovery of dee Laboratory Control Spike (LCS) <br /> RESPECT • UUBMI�ED, <br /> j Jon itY1111 <br /> Hem Y. Le, Laboratory Director <br /> LP.I err, irmmremot protection Agency Method. Page I of I <br /> 0 <br /> SM-.9arrrlard ,lledrod for Qriit „ n C1n � lrinn (` A 0S0 /1A. ToI 19no1 dr.9_nRQ9 Far ( 9OR ) dR9 -7935 <br />