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VKCV590H <br /> 'Hj CERTIFICATE OF ANALYSIS <br /> Analytical Labors lnry Saturday,January 01,2000 <br /> TO William Litfle <br /> Advanced GeoEnvlronmental, <br /> 4005 N Wilson Way <br /> Stockton, Ca 95205 <br /> Sample Information <br /> Sample 1D. PE6790-03 Sample Type: Grab <br /> F Sample Description: MW-2A(Monitonng Well #2A) Protect Name. Denis Auto Repair <br /> a Datelnme Sampled. 12/30/1999 2 50 00 PM Sample Matrix- Ground Water <br /> f <br /> ANALYTICAL RESULT QA/QCREPORT <br /> ' Date LCS Spike MS Spike <br /> Test Parameter Method DLR Unit Result Analyzed Blank Cone LCS% Cone MS% MSD RSD <br /> TPH-Gasoline EPA 8015M/DHS 50 ug1L 650 03-Jan-00 ND 500 980% 500 1060% 1020% 10% <br /> N', Methyl t-Butyl Ether(MtSE) EPA8260 05 ug/L 41 03-Jan-00 ND 80 975% 80 1025% 1063% 09% <br /> 7 Diisopropyl ether(DIPS) EPA8260 05 uglL 41 03-Jan-00 ND 40 1020% 40 1050% 1050% 00% <br /> Ethyl-t-butyl ether(ETBE) EPA8260 05 ug1L 18 03-Jan-00 ND 40 959% 40 959% 973% 04% <br /> Tert-amyl methyl ether(TAME) EPA8260 05 ug/L 67 03-Jan-00 ND 70 1056% 70 1109% 1058% 12% <br /> t-Butanol(TBA) EPA8260 05 ug1L ND 03-Jan-00 ND 40 1050% 40 1125% 1100% 06% <br /> Benzene EPA 8260 05 ug1L 930 03-Jan-00 ND 80 1123% 80 1150% 1143% 02% <br /> _ Toluene EPA 8260 05 uglL 23 03-Jan-00 ND 40 970% 40 1013% 1000% 03% <br /> ' a Ethylbenzene EPA 8260 05 uglL 28 03-Jan-00 ND 40 966% 40 1060% 1060% 00% <br /> Xylene(Total) EPA 8260 05 uglL 46 03-Jan-00 ND 80 1014% 80 110 1% 1103% 00% <br /> k <br /> IN mg1L =nnlligrams per Liter=ppm DLR Detection Lunit for the Purpose of Reporting RSD-represent relative percent diflerent(RPD)befueen duplicates spike of samples <br /> uglt =micrograms per Liter=ppb Exceptronal sample matrices or interferences may result in or Duplicate of Saniple <br /> higher defection lints MS/MSD-measure of the percent recovery eflicrencres within the matrix <br /> r, C=Composite G—Grab <br /> a <br /> 1 CS-measure of the percent recovery of fire Laboratory Control Spike(LCS) <br /> RESP C F LYS B ITT D, <br /> F� Jonal an ao V Le, Laboratory Director <br /> � 1 <br /> EP11 Environmental Protection Rgency Alethod Page 1 of 1 <br /> � 6At-4tandard Alelhod for Lvainuiation of Water R'asteu ater 18111 Ed <br /> ` 545 E Cleveland St Suite A Stockton, CA 95204 Tel (209) 462-0892 Fax (209) 462-7935 <br />