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CER TIFICA TE OF ANALYSIS
<br /> Ana/ytica/ Laboratory
<br /> Tuesday, July 27, 1999
<br /> Advanced GeoEnvironmental
<br /> 4005 N. Wilson Way
<br /> Stockton, CA. 95205
<br /> Sample Information
<br /> Sample ID: PE5412-05 Sample Type: Grab
<br /> Sample Description: P-5 Project Name: Lodi Airport •
<br /> Date/Time Sampled: 6/18/99 2:25:00 PM Sample Matrix: Soil
<br /> x<,,:. ...
<br /> ANALYTICAL RESULT QA/QCREPORT
<br /> x rx ee,:
<br /> Date LCS Spike MS Spike
<br /> !Test Parameter Method DLR Unit Result Dilation `Analyzed Blank Conc. LCS% Conc. MS% MSD RSD
<br /> ,.
<br /> iLead(Pb) EPA 902(7 1 mg/Kg 45 15 24-Jun-99 ND 0025 960°/ 0.025 984% 960% 069%
<br /> TPH-Gasoline EPA 8015M/DHS 1 mg/Kg 1.2 1 21-Jun-99 ND 1 95.0% 1 890% 92.0% 0.8%
<br /> . ...... .__.. EPA 8020 ....5ug/KgND1 21-Jun-99 ND 5 92.0% 5
<br /> ..._ .... . ":„ ...
<br /> sBenzene92.0°.6 94.0% 05%
<br /> .... , .... 9 ...9,:,. . .,..... .. ....:,:... ................ ..�:::.�
<br /> Toluene EPA 8020 5 u ,.,,..:.
<br /> I /K 43 1 21 Jun-99 ND 5 96.0% 5 1020% 96.0°% 1.5%
<br /> .. :.:,...... e,,.e.,,,e,,.:.,,....,,
<br /> Ethylbenzene EPA 8020 5 u9/Kg ND 1 21-Jun-99 ND 5 980% 5 1040% 96.0% 20%
<br /> ..n-.nrvo,am.o.:..
<br /> ?.Xylenes,Total EPA 8020 5 ug/Kg 1.4 1 21-Jun-99 ND 10 960% 10 1000°.6 1100% 24%
<br /> Methyl-t-Butyl Ether(MtBE) EPA 802(1 5 ug/Kg ND 1 21-Jun-99 ND 5 90.09% 5 90.0% 98.0% 2.1%
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<br /> mg4 ualligtainsperLiter ppm DLR-Detection Limitfor the Purpose o/' RSD represent relative percent dffe,ent(RPD)benreen duplicates spike ofsomples
<br /> vg/L= microgramsperLiter=ppb Reporting. Exceptional sample matrices or or Duplicate ofSaniple •
<br /> interfereneces,may result in higher detection
<br /> C=Composite G=Grab g AVMVfSD-measure of the percent recovery efficiencies within the matrix
<br /> limits LCS-measure a(the percent recovery ofthe Laboratory Control Spike(LCS)
<br /> RESPE TFUL TED,
<br /> Jonathan Hao Y. Le, Laboratory Director
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