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mm = MM = = M = 9 I' M = = = M <br /> r-HWN K0-Tr-V I CERTIFICATE 4F ANALYSIS <br /> Analytical Laboratory Monday,August 27, 2001 <br /> TO John Terayskis <br /> WGR Southwest, Inc <br /> 315 W Pine Street, Suite 1 A <br /> Lodi CA 95240 <br /> Sample Information <br /> Sample ID- PE12684-03 Sample Type- Grab <br /> Sample Description: MW 3-3 Project Name: Port Of Stockton UST Site#3 <br /> DateJTime Sampled: 08122/20019 00 00 AM Sample Matrix: Momtonng Water <br /> L ti�rY ANALYTICAL RESULT � QA/QC REPORT <br /> Date LCS Spike MS Spike <br /> Test Parameter Method DLR Unit Result Analyzed Blank Conc. LCS% C_onc. MS% MSD RSD <br /> TPH-Gasoline EPA 8015M/DHS s 50 Yug/L 6570 X22-Aug-01 y ND Y 500 960% _ 500 980% 1020% 10% <br /> Benzene EPA 8260M --05- "n ug1L -- —108-'-- <br /> 108w=-- -n - - 22-Aug-01 ND -16 1000%-l 16 944% 1000% 14% x <br /> {,- <br /> Toluene EPA 8260M 0 5 u L 770 - -`, 2 - - _ - Y o <br /> _px` --` - gl � 22-Aug-01 � ND � i6 1056%� 16 1056%�994% 1 5/° � <br /> Int- benzene EPA 8260M w 05 ugly �-,210 �ri-M 22-Aug-01 ND 16 913% �16 930% 938% 02% i <br /> 'Xylene(Total) a -L T ��y EPA 8260M - 0 S ~850 yy 22-Aug-01 �1ND ~32 1000% -=-32 u Y 1031% 1000% 0 <br /> mglL =inrlhrgtants per Liter=ppm RSD-represent ielatne percent different(RPD)between duplicates spike ofsa nples <br /> ug/L =Inter ogi ours per Luer=ppb or Duplicate of Sample <br /> ,U PE TF �TTED, MSIMED-measure of rhe percent recovers efficiencies within the main ix <br /> �_. C=Composite G=Grab <br /> LCS-measure of the percent recovery of the Laboratory Conu of Spike(LCS) <br /> Jonathan Hao V.Le,Laboratory Director DLR-Detection Linut for the Purpose of Repot ring Exceptional sample <br /> matrices of interfereneces may result to higher detection limits <br /> EPA-Envhromnental Protection Agency Method � w � Page 1 of I <br /> SM-Standard Method for Examination of Water Wastaii ater 181h Ed <br /> 545 E Cleveland St Suite A Stockton CA 99PO4 Tel (2091 482-0899 Fax (9001 AA9-7Qgr, <br />