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y«� � � s r� r� tl� tip !• � � � � � � � li <br /> >tr <br /> CERTIFICATE OFANAL YSIS <br /> Analytical L-a6oratary <br /> TO William Little Frtda <br /> y, October 01, 1999 <br /> Advanced GeoEnvironmental <br /> x� 4005 N Wilson Way <br /> Stockton, CA 95205 <br /> ^sA <br /> Sample Information <br /> Sample 1D PE6017-02 Sample Type. Grab <br /> ' Santple Description MW-IB/9/23/99 z Protect Name Dens Auto Repair <br /> DateJTime Sampled 9123199 2 45 00 PM Sample Matrix Ground Water <br /> ..v n +ns <br /> ANALYTICAL RESULT' QA/QCREPORT n r <br /> Date LCS Spike MS Spike k <br /> TestParaineter <br /> vv Y n Method DLR Unit Result Analyzed Blank Cone LCS% Conc MS% MSD RSD <br /> TPH-Gasoline EPA 8015M/DHS 50 u 2 4770 nr^ r v n,0. <br /> g 25-Sep-99 ND 500 961;/. 500 ¢104 0,6 107 00/0 0 7% A <br /> x k <br /> 4Methyl t-ButylEthet(MtBEJ k EPA6260 05 ug1L , •nND 'V A vVnvV•,•, V f25-Sep-99 V NO Fu n p,.. 90 M/0 A•Yh,20 L"1100° 135 0%... 51°%6n, � <br /> "&Sopropylether(DIPE- EPA8260 05 uglL 15 � 25-Sep-99 ND 20 9500/0 20 110 M/0 950% ryx37% <br /> t Ethyl4-butyl ether(ETRE) EPA8260 05 uglL ND 25-Sep-99 NO 20 975% y20 A }1100% T105 036 1 2%,,..a` <br /> Test-amyl methyl ether(TAME) EPA8260 05 ug/LAA 350 u.,4 25-Sep-99 Yn NO 187 107 09/6V, . 21)A 9500/0 <br /> n v 90011/0 „ 1 4°i6 <br /> r�s ,r. 4r .,. <br /> ` t-Butanol(TBA) EPA8266 05 u A- l ND" /0 <br /> e " 9 2S-Sep-99 ND 20 100 0°16 20 90 0% 875% 07% <br /> Y Benzene V V V , v EPA 6260 05 55 u IL v h vn n nv A , n, v v n <br /> g 25-Sep-99 ND 20 c 10000/1) 20 <br /> 1050% 105 0°16 0 0% ? <br /> Toluenetr v.,. EPA 8260 05 ugfL 25 25-Sep-99 ND 21 95 2 k 20 v 875% 110 0% tY 5 7% x 1 <br /> ' Ethylbenzene EPA 6260 05 u I ND V 25-Sep-99 NO <br /> hl20 1050% 20V "n1100v 6' ` 125 006 Yx <br /> 32% x <br /> Xylene(Total) „EPA 8260 05 ug4- ND v, 25-Sep-99 NO 50 93 00k vso V 120 0% X110 010 <br /> 22% <br /> x <br /> - nigIL—rndhgrants pet I iter =ppm DI,R-Delectrotr Lrrrrit for the Purpose ofReportittg Fxcepltorral" IUD represent rtlatnve percent different(RPD)benveen duplicates spike ofsomples <br /> rrg/L=rrticrograrns per Liter=ppb saurple matrices OF nrterfeteneces way result in higher defection or Duplicate of'ample <br /> r <br /> C=Composite G—Grab lrnuls USIMSD-measure of the per cert recoi ery efcrencies within the matrix <br /> RESPECULL Bh Lrfi-meacm e njrhe Ilerrerrr r ecai erl,of the Laboratory Carurnl Spike(M?)/71�TTED, <br /> r Jost tit i Hao V Le, Laboratory Director <br /> 5 <br /> EPA-Fin rronnretrtal PJatecliort 4gencyAfethad Page I of I <br />' � .X11-StrrndardAfelfrorljorl ramurrRronT4riffe'12"adVARM"St Suite A Stockton, CA 95204 Tel (209) 462-0892 Fax (209) 462-7935 <br /> 4 r <br />