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CERTIFICATE OF ANALYSIS <br /> Ana/ytica/ Laboratory <br /> - h/nnriny, November 01, 1999 <br /> TO: William Little <br /> Advanced GeoEnvironmental , <br /> 4005 N . Wilson Way <br /> Stockton , Ca. 95205 <br /> j Sample Information <br /> Sanrple ID: PE6245- 11 Sample Type: Grab <br /> Sample Description: D 2 <br /> � p p Project Name: Quick & Save 1901 So. Eldo <br /> DnteJTinte Sampled.* 10/21 /99 12:55:00 PM Sanrple Matrit: Soil <br /> ANALYTICAL RESULT QA/QC REPORT <br /> Date LCS Spike MS Spike <br /> Test Parameter Method DLR Unit Result Analyzed Blank Conc. LCS% Cone. MS% MSD RSD <br /> Lead (Pb) EPA 6010 1 mg/Kg 63 01 -Nov-99 NO 0.02 91 .6% 0.02 114.4% 118.0% 0.8% <br /> TPH-Gasoline EPA 8015M/DHS 1 mglKg 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 95.00/0 40 95.0% 97.5% 0.6% <br /> Ethyl-t-butyl ether (ETRE) EPA8260 5 ug/Kg NO 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 ND 40 100.0% 40 105.0% 102.5% 0.6% <br /> t-Butanol (TBA) EPA8260 5 ug/Kg ND 25-Oct-99 NO 40 87.5% 40 87.5% 85.0% 0.7% <br /> I Benzene EPA 8260 5 ug/Kg ND 25-Oct-99 NO 40 95.0% 40 137.5% 140.0% 0.5% <br /> a 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 NO 40 87.5% 40 102.5% 120.0% 3.9% <br /> 1 Xylene, Total EPA 8260 5 ug/Kg ND 25-Oct-99 NO 80 93.8% 80 143.8% 156.3% 2. 1 % <br /> Io "s RSD- represent relative percent tli <br /> n !l. = milli rmns per rer = r / n 7Lf - Dcleclinrr linilfnr lire Purpose of Retorlirg. erer ! RPD) henreen du/ lcnles spike o ean les <br /> ug/f. - micmgronss pen Liter = pith E.xceplioual ample• rrralrices or hale �i renece s y resell in nr Duplicarc• o(Smnple <br /> hixlrer dcreelinn finrin AIS''dISD merevue of!lre percent recovery efficiencies within the nratnx <br /> C = Composite G = Grab <br /> LCS- nreasure of the percent recovery of the Laboratory Control Spike (LCS) <br /> RESPECT LLYS MITTEDp <br /> Jolty tha t Hao V. Le, Laboratory Director <br /> EPA-Environmental Proleclion Agency Alelhoo' Page I of t <br />