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CERTIFICATE OFANAL YSIS <br /> i Ana/ytica/ Laboratory <br /> Alonday, November 01, 1999 <br /> TO; William Little <br /> Advanced GeoEnvironmental, <br /> 4005 N . Wilson Way <br /> Stockton , Ca. 95205 <br /> j <br /> Sample lit rinrnion - <br /> jSample ID: PE6245- 12 Sample Type: Grab <br /> Sample Description: D 3 Project Name: Quick & Save 1901 So. Eldo <br /> Date/TimeSampled.* 10/21 /99 1 :00:00 PM SanrpleMalris: Soil <br /> 1 i ANALYTICAL RESULT QA/QCREPORT <br /> Date LCS Spike MSSpike <br /> I <br /> Test Parameter Method DLR Unit Result Analyzed Blank Conc, LCS% Cone. MS% MSD RSD <br /> ' ' - Lead (Pb) EPA 6010 1 mg/Kg 6 01 -Nov-99 NO 0.02 91 .6% 0.02 114.4% 118.0% 0.8% <br /> � - TPH-Gasoline EPA8015M/DHS 1 mg/Kg ND 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 ND 25-Oct-99 NO 50 96.0% 50 110.0% 104.0% 1 :4% <br /> Methyl t-Butyl Ether (MtBE) 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 /> '1 Ethyl-t-butyl ether (ETBE) EPA8260 5 ug/Kg ND 25-0ct-99 NO 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 /> L'. t-Butanol (TBA) EPAS260 5 ug/Kg ND 25-Oct-99 NO 40 87.5% 40 87.5% 85.0% 0.7% <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 ND 25-Oct-99 NO 40 87.5% 40 102.5% 120.0% 3.9% <br /> I' <br /> Xylene, Total EPA 8260 5 ug/Kg NO 25-0d-99 NO 80 93.8% 80 143.8% 1563% 2.1 % <br /> l i m vl, - milli grams per Liter = rrn ULR- Delectinrr l,i+nil Ilre llrr rose n Re uprtir; . RSD- re presenl relalire percenl di real RI'D behreerr dti plicahts s nAe o .cam les <br /> I 1 !, t; r nl !rr r /++ I ` r c r r !!• � 1 r r ' f n <br /> uglL nucrogranrs per Liter = ppb Exceptional sample moo ices or irner (ete a cc noy result in or Du plicate ofSaniple <br /> lughei deteclion limits rl/S%A /S/J nreasioe of[lie rnus encies naththe matrix <br /> C Composite posire G Grab percent recovery a f� <br /> LCS- ineosru e o(tire percew recovery o/llre Laboratory Control Spike (LCS) <br /> RESPECTS LY I TED, <br /> Jon tits t Ilno W Le, Laboratory Director <br /> EP.I-Environmental Pinleclion agency Method. Page I of I <br />