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® VKE 4500H <br /> C C9hI0 Q�) � l� C Q �il CERTIFICATE OF ANALYSIS <br /> Ana/ytica / Laboratory <br /> Alonrtrty, November 01, 1999 <br /> TO: William Little <br /> Advanced GeoEnvironmental, <br /> 4005 N . Wilson Way <br /> Stockton , Ca, 95205 <br /> Sample Injornmlion <br /> Sample ID: PE6245-09 Sample Type: Grab <br /> • i <br /> # , SamPle Descri1tion: TR 4 W 13' Project Name: Quick & Save 1901 So. Eldo <br /> ' F . <br /> Date/TineSantirle r• 10/21 /99 1 :30: 00 PM Sample Matrix: Soil <br /> ANALYTICAL RESULT QA/QCREPORT <br /> �^ Date LCS Spike MS Spike <br /> Test Parameter Method DLR Unit Result Analyzed Blank Conc. LCS% Conn MS% MSD RSD <br /> Lead (Pb) EPA 6010 1 mg/Kg 5 01 -Nov-99 ND 0.02 91 .6% 0.02 114.4% 118.0% 0.8% <br /> ' TPH-Gasoline EPA 8015M/DHS 1 mg/Kg ND 25-Oct-99 ND 0.5 96.0% 0.5 102.0% 90.0% 3. 1 % <br /> 1 TPH-Diesel EPA 8015M/DHS 1 mg/Kg ND 25-Oct-99 ND 50 96.0% 50 110.0% 104.0% 1 .4% <br /> 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) EPA11260 5 ug/Kg ND 2541ct-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 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 /> Toluene EPA 8260 5 ug/Kg ND 25-Oct-99 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 /> 4 :1 <br /> rr r d '. Xylene, Total EPA 8260 5 ug/Kg ND 25-Oct-99 ND 80 93.8% 80 143.8% 156.3% 2.1 <br /> 1 mgtL nulhgrnrns per Luer pprn O1.R- Detection l,imn,(nr the purpose of Reporting RSD- represent relative percent di/�reru (NPD) benreen duplicates spike ofsarnples <br /> -' ug/L into ngronrs per Liter ppb E- i ceptinrml sample matrices or interw eneces nutry resell in or Duplicate n/Snrnple <br /> C = Cnrnpnsire G - Grub higher detection !units AISIMSD-measure of the percent recoveryefciencies ithiu the matrix <br /> 14 LCS- measure of the percent recovery of the Laboratory Control Spike (LCS) <br /> RES E TT ULL ,S�BB <br /> fJoi athan Hao V. Le, Laboratory Director <br /> rtl ' <br /> EPA-Fnvironniental Pratection Agency Aledrnd. Page 1 of <br /> 1 .t'1 /-tZmnrlerrl11.•rlrnd fm-f7vrrrrirrntimpe4 Wntrr Mill Fib f` . . :. ,. A C + ,. A nr- nnA Tnl - it Aco - noQ7 Gnv • / 0r1Q \ AA9 -7Qr4ri <br />