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fPG{CCOS�� oO�l - <br /> ��1�/0 CERTIFICATE OF ANALYSIS <br /> Ana/ytica/ Laboratory <br /> Friday,October 15, 1999 <br /> TO: William Little <br /> Advanced GeoEnvironmental, <br /> 4005 N. Wilson Way <br /> Stockton, Ca. 95205 <br /> Sample Information <br /> Sample ID: PE6167-08 Sample Type: Grab <br /> Sample Description: D2 Project Nante: Quick&Save 7200 S. Eldo <br /> Date/Time Sampled: 10/13/99 12:2000 PM Sample Matrix. Soil <br /> ANALYTICAL RESULT QA/QCREPORT <br /> Date LCS Spike MS Spike <br /> Test Parameter Method DLR Unit Result Analyzed Blank Colic. LCS% Colic. MS% MSD RSD% <br /> TPH-Gasoline EPA 8015M1DHS 1 mg/Kg ND 13-Oct-99 NO 500 112.0% 500 96.0% 98.0% 0.5% <br /> Methyl t-Butyl Ether(MtBE) EPA8260 5 uglKg NO 13.Oc1-99 NO 70 114.3% 70 114.3% 125.7% 2.4% <br /> Diisopropyl ether(DIPE) EPA8260 5 ug/Kg NO 13-Oct-99 NO 70 107.1% 70 117.1% 125.7% 1.8% <br /> Ethyl-t-butyl ether(ETBE) EPA8260 5 ug/Kg NO 13-Oct-99 ND 70 102.9% 70 107.1% 110.0% 0.7% <br /> Tertamyl methyl ether(TAME) EPA8260 5 ug/Kg NO 13-Oct-99 NO 70 101.4% 70 110.0% 111.4% 0.3% <br /> t-Butanol(TBA) EPA8260 5 ug/Kg NO 13-Oct-99 NO 70 102.9% 70 92.9% 100.0% 1.9% <br /> Benzene EPA 8260 5 ug/Kg NO 13-Oct-99 NO 20 110.0% 20 110.0% 125.0% 3.2% <br /> Toluene EPA 8260 5 ug/Kg NO 13-Oct-99 NO 20 90.0% 20 110.0% 135.0% 5.1% ` <br /> Ethyl Benzene EPA 8260 5 ug/Kg NO 13-Oct-99 NO 20 100.0% 20 125.0% 140.0% 2.8% t <br /> Xylene,Total EPA 8260 5 ug/Kg NO 13-Oct-99 NO 40 105.0% 40 137.5% 135.0% 0.5% <br /> rrrg/L=milligrams per Liter=ppm DLR-Detection Limit for lire Purpose of Reporting. RSD-represent relative percent different(RPD)between duplicates spike of samples <br /> ug/1,=micrograms per Liter=ppb Exceptional sample matrices or interferences may result in or Duplicate of Sample <br /> C=Composite G=Grab higher detection limits MS/MSD-measure of the percent recovery efficiencies within ate matrix <br /> LCS-measure of die percent recovery of the Laboratory Control Spike(LCS) <br /> RESP'EGTFULL� TTED, <br /> Jonathan Hao V.Le,Laboratory Director <br /> /P'l li r irannrenm//Yolrct ion,Igrnrr A/rr6n<L Page 1 of I <br /> sn/-.Smnr/ardMedmdforErnmirrnlionr��grEnC ��t��(�lE�t. Suite A Stockton, CA 95204 Tel.: (209) 462-0892 Fax: (209) 462-7935 <br />