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<br /> CERTIFICATE OF ANALYSIS
<br /> Ana/ytica/ Laboratory
<br /> Wethnesday, July 28, 1999
<br /> Advanced GeoEnvironmental
<br /> 4005 N. Wilson Way
<br /> Stockton, CA. 95205
<br /> Sample Information
<br /> Sande ID: PE5528-05A Sample Type: Grab
<br /> Sample Description: 3E @ 157T Project Name: Lodi Airport
<br /> Date/Time Sampled: 7/9/99 3:33:00 PM Sample Matrix: Soil
<br /> ANALYTICAL RESULT OA/QC REPORT
<br /> ..... x, a
<br /> Date LCS Spike MS Spike
<br /> ;Test Parameter Method DLR Unit Result Dilation I.Analyzed Blank Conc. LCS% Conc. MS% MSD RSD
<br /> Lead(Pb)(STLC) EPA 7421 0.01 mg/L 0.02 10 2B-Jul-99 ND 0.02 100.0% 0.025 96.09h 104.0% >o 2.0^,G '
<br /> xn:.wx: ........
<br /> rng/L—milligrams per Liter ppm DLR-Detection Lint for the Purpose of RSD-represent relative percent different(RPD)between duplicates spike ofsamples
<br /> ug/L=micrograms perLiter—ppb Reporting. Exceptional sample matrices or orDmplicate of Sample
<br /> C=Composite G=Grab interferences may result in higher detection M&b1SD-measure ofthe percent recoven. f,fi
<br /> e ciencies Ivithin the matrix
<br /> limits LCS-measure ofthe percent recovery ofthe Laboratory Control Spike(LCS)
<br /> RES�FU��TED,
<br /> Jonathan Hao V Le,Laboratory Director •
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