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CERTIFICATE 4F ANALYSIS <br /> Analy�ica/ Ladora�ory Saturday,January 01,2000 <br /> TO William Little <br /> F Advanced GeoEnviron mental, <br /> R <br /> r , <br /> 4005 N Wilson Way <br /> Stockton, Ca 95205 <br />' s <br /> r <br />� t <br /> Sample Information <br /> rt i <br /> Sample ID PE6790-05 Sample Type Grab <br /> Sample Description. MW-3A(Monitoring Well#3A) Project Name. Denis Auto Repair <br /> ti Date/Time Sampled: 12/30/1999 2 35 00 PM Sample Matrix: Ground Water <br /> 4 J <br /> ANALYTICAL RESULT <br /> QA/QC REPORT <br /> a ` <br /> Date LCS Spike MS Spike <br /> Test Parameter Method DLR Unit Result Analyzed Blank Cone. LCS% Conc. MS% MSD RSD <br /> r TPH-Gasoline EPA 8015M/DHS 50 uglL 200 03-Jan-00 ND 500 980% 500 1060% 1020% 1 o% <br /> j Methyl t-Butyt Ether(MtBE) EPA8260 05 ug/L 35 03-Jan-00 NO 80 975% 80 1025% 1063% 09% <br /> r Diisopropyi ether(DIPE) EPAS260 05 ug/L ND 03-Jan-00 NO 40 1020% 40 1050% 1050% 00% <br /> - Ethyl-t-butyl ether(ETBE) EPA8260 05 uglL ND 03-Jan-00 ND 40 959% 40 959% 973% 04% <br /> Tertamyl methyl ether(TAME) EPA8260 05 ug/L ND 03-Jan-00 NO 70 1056% 70 1109% 1058% 12% <br /> z � t-Butanol(TBA) EPA8260 05 uglL NO 03-Jan-00 ND 40 1050% 40 1125% 1100% 06% <br /> Benzene EPA 8260 0 5 ug1L ND 03-Jan-00 NO 80 1123% 80 1150% 1143% 02% <br /> i Toluene EPA 8260 05 ug/L NO 03-Jan-00 NO 40 970% 40 1013% 1000% 03% <br /> _ 4 <br /> 1 Ethylbenzene EPA 8260 05 ug/L 06 03-Jan-00 NO 40 966% 40 1060% 1060% 00% <br /> Xylene(Total) EPA 8260 05 uglL 06 03-Jan-00 NO 80 1014% 80 1101% 1103% 00% <br /> i <br /> n J "Matrix have pattern <br /> of TPH Diesiel <br /> mg1l =rndhgrains per Liter—ppot DLR Detection 11,7111 for the Purpose of Rr,porturg RSD-represent relative percent diflerent(RPD)between duplicates spike of samples <br /> 1 ue Nronu!lain lc rnan icer or nucrfercneces mn} resn!l in <br /> or Duplicate of Sample <br /> ! ug/L =nncrograms per 1 iter=ppb l P <br /> P higher detectron hmnc US/A1SD measure of the percent recovery efficiencies u ithm the matrrx <br /> C=Compawe G =6rah <br /> LC5-measure of the percent recovery of the Laboratory Contin!Spike(LCS) <br /> RE ICULL Y U I TED, <br /> iY <br /> 3o nihoo V Le, Laboratory Director <br /> ---- <br /> LPA f nwroninental Protection figency Alethoc! Page o <br /> SAI Standard Mediad for!vanunalron of Water Wamm ater l8th Ld <br /> ,i <br /> 545 E Cleveland St Suite A Stockton, CA 95204 Tel (209) 462-0892 Fax (209) 462-7935 <br />