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® 1P� Krvc0F500H <br /> ENWO R O m (TECH CERTIFICATE OF ANALYSIS <br /> Analytical Laboratory <br /> illonday, November 01, 1999 <br /> TO: Tim Cuellar <br /> Advanced GeoEnvironmental , <br /> 1 4005 N. Wilson Way <br /> Stockton, Ca. 95205 <br /> k . <br /> Santple Inforrurrtion <br /> Sample ID: PE6245- 16 Sample Type: Composite <br /> t Sample Description: SP 1 & SP 2 Project Name: Quick & Save 1901 So Ecdo <br /> DatelTinteSantpled: 10/21 /99 12: 15:00 PM Sanrp/e Matrix: Soil <br /> ANALYTICAL RESULT QAIQCREPORT <br /> Date LCS Spike MS Spike <br /> Test Parmneter Method DLR Unit Result Analyzed Blank Colic. LCS% Cone MS% MSD RSD <br /> Lead (Pb) EPA 6010 1 mg/Kg 16 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 96.00/. 0.5 102.0% 90.0% 3.1 % <br /> 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 (MI EPA8260 5 ug/Kg 4.0 25-Oct-99 ND 40 87.50/. 40 87.5% 105.0% 4.5% <br /> 1 , Diisopropyl ether (DIPE) EPA8260 5 ug/Kg ND 25-Oct-99 ND 40 95.0% 40 95.0% 97.5% 0.6% <br /> 1 <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-amyl methyl ether (TAME) EPA8260 5 ug/Kg No 25-Oct-99 ND 40 100.0% 40 105.0% 102.5% 0.6% <br /> 1 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 No 40 95.0% 40 137.5% 140.00/. o.5% <br /> . ° Toluene EPA 8260 5 ug/Kg ND 25-Oct-99 ND 40 95.0% 40 120,0% 130.0% 2.0% <br /> t 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 ND 25-Oct-99 ND 80 93.8% 80 143.8% 156.3% 2. 1 Ya <br /> trrgiL = milligrams per Liter = ppin DLR- Detection Lin itfor- the Purpose of Reporting. RSD- represent relative percent different (RPD) benveeit duplicates spike of samples <br /> ug1f, = micrograms per biter = ppb Lxceptional sample matrices or imerfereneces rn Jy result in or Duplicate o.fSample <br /> i hig/rer detection limits dl5,1A ISD-measure q are ween/ recover e c e cies within the matrix <br /> C = Composite G = Grab f ! )' ,(� i n <br /> LCS nreasure of the percent recovery of the Laboralory Control Spike (LCS) <br /> i <br /> RWthla <br /> ULLYY AH TED, <br /> . t ~��l' �2Jao V Le, Laboratory Director <br /> EPA-Environmental Protection Agency Aledrod. Page 1 of I <br /> . I , I . C, I , . , F , r - .. . . . . <br />