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<br /> Analytic�l [..avo�-story CER TIFICA TE OF ANALYSIS1" .
<br /> Gary Kramer Friday,Ju(p 30, 1999
<br /> Geomatrix consultants
<br /> 2444 Main Street, Suite 215
<br /> Fresno CA 93721-2734
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<br /> a Sample Information
<br /> Sample ID: PE5527-05 Sample Type: Grab
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<br /> Sample Description: MW 5-2 Project Narne: Port of Stockton Site#3
<br /> Date/Time Sampled: 719199 12:40:00 PM
<br /> Sample Matrix: Ground Water
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<br /> ANALYTICAL RESULT QA/QC REPORT
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<br /> Date LCS Spike MS Spike
<br /> 'Test Parameter Method -DLR Unit Result Dilution Analyzed BlankCo LCS% C MS MSD RSD%
<br /> c _r c. a
<br /> fi I TPF#-Gasollne EPA 8015M/DHS 0,05 mgtL NO -Jul-99 NO 0.98 100.0% 0.98 112.2% . 111:2% 0.2%_
<br /> Benzene EPA 8020 0.5 ug/L 1.06 1 10-Jul-99 NO 20 98.0% 20 106.5% 110.0% 0.8%
<br /> Toluene EPA 8020 0.5 ug1L 0.99 1 10-Jul-99 ND 20 100.0% 20 105.0% 109.0% 0.9°/,
<br /> Ethylbenzene EPA 8020 0.5 ug/L 1.10 1 10-Jul-99 NO 20 98.5% 20 115.0% 109.5°10 1.2%
<br /> Xylenes,Total EPA 8020 0.5 ug/L 1-.85 1 10-Jul-99� ND20101.0% 20 �102,5% 106.5% 1A%
<br /> s Methyl-t=Butyl Ether(MtBE) EPA 8020 0.5 uglL ND 1 10-Jul-99 ND 20
<br /> 99.0% 20 105.0% 100.0% 1.2%
<br /> mg/L=milligrams per Liter-ppm DLR-Detection Limir for the Purpose of RSD-represent relative percent decent(RPD)between rfupltcates.cpike rrfsrrnrples
<br /> ug/L=micrograms per Liter=ppb Reporting. Exceptional sample matr•icec nr or Duplicate of Sample
<br /> interfereneces urnv result irr highe.rrletectiorr
<br /> C=Composite G-Crab MS/A4SD-measure of the percent recovery efficiencies within the matrix
<br /> limits
<br /> LCV-measure of the percent recovery of the Laboratory Control Spike
<br /> RESPEC FULLY B ITTED,
<br /> Jonathan Mao V Le, Laboratory Director
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<br /> El'A-Ern•irorrnrerrra!Protection.4gency hletlrod. pQg�1 of 1
<br /> SAI-Standard,4letlrarijorE.tsarina!iorr 4l�t .Il�E lf'r��c�f` 1.fit. I!'€tp �! Stockton, CA 95204 Tel'.: (209) 462-0892 Fax: (209) 462-7935
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