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Analytical Laboratory CERTIFICATE OF ANALYSIS <br /> Gary Kramer Frtrtay,July 30, 1999 .1i <br /> Geomatrix Consultants <br /> 2444 Main Street, Suite 215 <br /> ' Fresno CA 93721-2734 <br /> Sample In..fOr'lnlltioll. <br /> Sample ID: PE5527-04 Sample Type: Grab <br /> .� Sample Description: MW 5-3 Dup Project Name: Port of Stockton Site#3 <br /> DatellimeSampled: 719199 11:56:00 AM Sample Matrix: Ground Water <br /> ANALYTICAL RESULT QAIQC REPORT <br /> Date LCS Spike MS Spike <br /> Test Parameter Method DLR Unit Result Dilution Analyzed Blank Colic.' LCS% a <br /> Corrc. MS/r MSD RSD <br /> TPH-Gasoline EPA8015MIDHS 0.05 � m !L NO 110-Jul-99 ND 0.98 100.0% -`"�"--'�"""""'°"'"••'- - <br /> _ 0.98 112.2% 111.2% 0.2% <br /> Benzene EPA 8020- 0.5 ug/L NO 1 10-Jul-99 ND 20 98.0% 24 1065% 110.0% 0.8% <br /> Toluene EPA 8020 0.5 u /L ND 1 ° <br /> g 10-Jul-99 ND 20' 100.0/0 20 105.0% 109.0% 0.9% <br /> Eth (benzene o.-ri• ,,.s.,.�-.., <br /> Y -�- EPA 8020 0.5 uglL 0.86 1 10-Jul-99 ND 24 9$.5% 20 115.0% 109.5% 1.2% <br /> Xylenes,Total EPA 8020 0.5 ug1L 0.69 1 10-1ul-99 ND 20 141.0% 20 102.5% 106.5% <br /> Methyl-1-Butyl Ether(MtBE) EPA 8020 0.5 - u !L NO 1 ° <br /> 9 10-Jul-99 SVD 20 99.0% 20 105.0% 100.0% 1.2% <br /> mg/L=milligrams per!_iter=ppm DLR-Defection Limit for the Purpose of RSD-represent relative percent different(RPD)between duplicates.spike of smnnles <br /> ug/L-micrograms per Lifer=ppb Reporting. F..xceptiona!srrnrplr.ruotriccs or or Duplicate of sample <br /> C=Composite G=Grab interfereneces maY result M higher dcicction MVMSD-measure of fire percent recovery efficiencies within the matrix <br /> limits <br /> LCS-measure of the percent recovery of the haba•atog L'nntrol.S'pike(I CS) <br /> 1 <br /> RESPECTFULL L TIED, <br /> 3 <br /> Jonathan Hao V Le, Laboratory Director <br /> EP.9-Envbmrnrental l'ratectipn Agencv Method. -� - `" �" `"' _ '�-------•-------•-- - -�.,-..�..�._..,_..,_m_____.,,____...______ <br /> SU-Standard AlethodjorFPage I of 1rarninationgrr ,Itevtafrt� 3t. Suite A Stockton, CA 95204 Tel.: (209) 462-0892 Fax: (209) 462-7935 <br /> i <br />