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K(Ol�f- (CH CERTIFICATE OF ANALYSIS <br /> t Ana/ytica/ Laboratory <br /> A9nnr/ny, November 01, 1999 <br /> TO: Tim Cuellar <br /> Advanced GeoEnvironmental, <br /> 4005 N . Wilson Way <br /> Stockton , Ca. 95205 <br /> Sample Information <br /> Sample ID: PE6245- 17 Sample Type: Grab <br /> Sample Description: SP 3 & SP 4 Project Name: Quick & Save 1901 So Ecdo <br /> Date/TimeSampled: 10/21 /99 12 :25: 00 PM Sample Matrix: Soil <br /> ANALYTICAL RESULT QA/QC REPORT <br /> Date LCS Spike MS Spike <br /> i . <br /> Test Parameter Method DLR Unit Result Analyzed Blank Conc. LCS% Conc, MS% MSD RSD <br /> Lead (Pb) EPA 6010 1 mg/Kg 19 01 -Nov-99 ND 0.02 91 .6% 0.02 114.4% 118.0% 0.8% <br /> f TPH-Gasoline EPA 8015M/DHS 1 mg/Kg 14.4 25-Oct-99 ND 0.5 96.0% 0.5 102.0% 90.0% 3.1 % <br /> TPH-Diesel EPA 8075M/DHS 1 mg/Kg ND 25-Oct-99 ND 50 96.0% 50 110.0% 104.0% 1 .4% <br /> I" Methyl t-Butyl Ether (MtBE) EPA8260 5 ug/Kg ND 25-Oct-99 ND 40 87.5% 40 87.5% 105.0% 4.5% <br /> Diisopropyl ether (DIPE) EPA8260 5 ug/Kg ND 25-Oct-99 ND 40 95.0% 40 95.0% 97.5% 0.6% <br /> Ethyl-t-butyl ether (ETBE) EPA8260 5 ug/Kg ND 25-Oct-99 ND 40 90.0% 40 90.0% 97.5% 2.0% <br /> Tert-am ( meth tether TAME EPA8260 5 u /K ND 25-Oct-99 ND 40 100.0% 40 105.0% 102.5% 0.6% <br /> Y Y (TAME) 9 9 <br /> t-Butanol (TBA) EPA8260 5 ug/Kg 26 25-Oct-99 ND 40 87.5% 40 87.5% 85.0% 0.7% <br /> Benzene EPA 8260 5 ug/Kg ND 25-Oct-99 ND 40 95.0% 40 137.5% 140.0% 0.5% <br /> ggg Toluene EPA 8260 5 ug/Kg ND 25-Ocb99 ND 40 95.0% 40 120.0% 130.0% 2.0% <br /> Ethyl Benzene EPA 8260 5 ug/Kg ND 25-Oct-99 ND 40 87.5% 40 102.5% 120.0% 3.9% <br /> Xylene, Total EPA 8260 5 ug/Kg 12.0 25-Oct-99 ND 80 93.8% 80 143.8% 156.3% 2. 1 % <br /> i <br /> mgt = inilligrmus per Liter - ppm DI,R- Detection Limitsr the Purpose of Reporting. RSD- represent re(ntive percent different (RPD) between duplicates spike ofsmep/es <br /> { !ug '/, - rnicmgrnms per Liter = 1)1;bh sc pli I vample nial? icev or unerl•reneccs nary result in or Duplicate of sample <br /> t higher defecoori limits HSIAISD measure o(the percent recovery efficiencies within tire inatrix <br /> C = Composite G = Grab <br /> LCS- measure of the percent recovery of the Laboratory Control Sph e (LCS) <br /> RESPEC FULLY MI TED, <br /> i Gt c <br /> ey <br /> J(? <br /> r trrt! it Hao f! Le, Lnhoralary Director <br /> ECA-Environnrewal Protection Agency Alethod. Page 1 of 1 <br /> .S,ILStnnrinrvl llrrinrl lnr Fvnrrrirrnnn,rrrdH'nrcr Krir zirmkw kRih. d4 . .. _ n n ._ _ r , , _ _ res n .- nns T _ r rnnns Ar^ nnn .+ r _ . , . rnnns nnn 7Vnnc <br />