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MCCU500H <br /> CERTIFICATE OFANALYSIS <br /> Analytical Ladora#oty <br /> Saturday,January 01,2000 <br /> ' TO William Little <br /> Advanced GeoEnvlronmental, <br /> ` 4005 N Wilson Way <br /> 1 <br />�t Stockton, Ca 95205 <br /> Srt <br />} <br /> i <br /> Sample Inforittation <br /> Sample ID. PE6790-06 <br /> 1 p Sample Type. Grab <br /> t Sample Description' MW-313(Monttoring Well#313) Project Name Denis Auto Repair <br /> ri Date/Time Sampled 12/30/1999 2 25 00 PM Sample Matrix. Ground Water <br /> ANALYTICAL RESULT QA/QCREPQRT <br /> - Date LCS Spike MS Spike <br />'Yr Test Parameter Metllod DLR Unit Result Analyzed Blank Conc. LCS% Conc. MS% MSD RSD <br /> TPH-Gasoline EPA 8015M/DHS 50 ug/L 220 03-Jan-00 NO 500 980% 500 1060% 1020% 10% <br /> # Methyl t-Butyl Ether(MtBE) EPA8260 05 uglL 35 03-Jan-00 NO 80 975% 80 1025% 1063% 09% <br /> s <br /> Diisopropyl ether(DIPE) EPA8260 05 ug1L NO 03-Jan-00 NO 40 1020% 40 1050% 1050% 00% <br /> xA� <br /> 4 Ethyl-t-butyl ether(ETRE) EPA8260 05 uglL NO 03-Jan-00 NO 40 959% 40 959% 973% 04% <br /> � ' Tert-amyl methyl ether(TAME) EPA8260 05 ug1L NO 03-Jan-00 NO 70 1056% 70 1109% 105 8% 12% <br /> "l t-Butanol(TBA) EPA8260 05 uglL NO 03-Jan-00 NO 40 1050% 40 1125% 1100% 06% <br /> t 1 Benzene EPA 8260 05 ug1L NO 03-Jan-00 ND 80 1123% 80 1150% 1143% 02% <br /> Toluene EPA 8260 05 ug1L NO 03-Jan-00 ND 40 970% 40 1013% 1000% 03% <br /> 4i <� <br /> Ethylbenzene EPA 8260 05 uglL 0 7 03-Jan-00 NO 40 966% 40 1060% 1060% 00% <br /> Xylene(Total) EPA 8260 05 ug/L 05 03-Jan-00 NO 80 1014% 80 1101% 1103% 00% <br /> t 'Matrix have pattern <br /> of TPH Diesiel <br /> Ire nrg/1 =uulligrams per Luer=ppm DLR-Defection Lunit for the Purpose of Reporting RSD represent relative percent different(RPD)behieen duplicates spike ofsamples <br /> � * rig/L =micrograms per Liter=ppb Ercepltorral sample miarrices or mterferetieces may result in or Duplicate of Sample <br /> Is } C_Composite G—Grab higher detectrott linins HS/RSD measure of the percent recovery efficiencies within the matrix <br /> LCS-measure of the percent recovery of the 1 aboratory Control Spike(U-S) <br /> RESPECTF LYS ITT D, <br /> I <br /> rr� <br /> A <br /> 1 <br /> Jon that Han V Le, Laboratory Director <br /> LPA Lnvironmrental Protection Agenc) hlethod Page I of I <br /> SAI-Standard Method for Dram inakon o fl Ute fl' c cu atcr 18Nt L <br /> b45 t � eveiand �t Suite A Stockton, CA 95204 Tei (209) 462-0892 Fax (209) 462-7935 <br />