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1• 1• t� � � � � � I• � � � t1• � � � � � I• <br /> o • i <br /> CHW ONO-TIM �rsll CERTIFICATE OF ANALYSIS <br /> 0!:!5AnaIytI=aI Laboratory Monday,May 27,2002 <br /> TO. Tim Cuellar <br /> Advanced GeoEnvlronmental <br /> 837 Shaw Road <br /> Stockton CA 95215 <br /> Aromatic Compound In Gasoline by GC/MS <br /> Sample Information <br /> Sample ID. 15078-01 Sample Type Grab <br /> Sample Description- MW 1 05-03-02 Protect Name Stockton Fire Station <br /> Date/Time Sampled. 5/3/2002 1 05 00 PM Sample Matrix. Ground Water <br /> ANALYTICAL RESULT $ QA/QC REPORT k <br /> ` —Date -- LCSSptke aM� ~MSSpike - <br /> w : <br /> ;Test Parameter Method DLR Unit Result Analyzed Blank Cone LCS% Cone MS% MSD RSD ; <br /> f m._a.�se wx..a�sc.....c.,xcxw.xrsnrcxw r^e�wa..u.ww.vr+o.a++mmeua-nw zwu t anr.r tic xtiwamPss xu-vmxwr -rar wnwwaew-wt.xti. ..�sacx sus-+vTam-..c.w.wszwxtr.,air.:w..vx'o�sssmwvy..i+awrt.�ataaww.vzA'r:.'•nmurvw..M�. n-a xrtxz <br /> Benzene EPA 82608 _ D 5 ug/L 1570 05-May-02� ND 125 1028% 125 105_8% 1023% 08% <br /> Toluene - - --µ EP_A 82608 0 5 ug/L ND 05-May-02 125 1_03 0% 125 1094% 102 4%W 1-7% <br /> I Ethylbenzene _ v- _- - M EPA 82608 0 5 ug/L µ 1_45 05-May-02 ND 125���1031% 12 5_ _ 107 0% -100 6% 1 5%� <br /> 1 m,p-Xylene -- -EPA 8260E --_- 05 ug/L-W 190 v 05-May-02 �ND 25 102 39% 25 16i8% 1001% 16% ^ <br /> o-Xylene _ _ EPA 8260B_ 0 5---- ug/L ND _ 05-May-0_2 ND 125 1034% 125 107_3% 1018% 13% <br /> 1,2-_Dichoroethane(DCA) EPA 8260B 05 �� ug/L 5-Ma <br /> 3 40 0y-02 ND 12 5 101 5% M 12 5A 1010% µ-1_01 9% 02- <br /> _ <br /> Methyl t-Butyl Ether(MME) _ EPA 82608 w 0 5 _ uglL -- 222 - 1 05-May-02 ND 125 987% 125 981% 970% - 0 3%~ <br /> v Ditsopropyl ether(DIPE) EPA 82608 - 0 5--- �-ug/L -ND s 05-May-02 ND 30 M 1036% 30v 1022% W 996% 06% " <br /> Ethyl-t-butyl ether(ETBE) µ EPA 8260E 0 5 ug/L _ ND_ & 05-May-02 ND 30 mm 1037% 30 994% 99 6% 00% <br /> Tert-amyl methyl ether(TAME) - EPA 8260B 05 -ug/L ND 05-May-0_2 ND 30 1033% 30 988% 976% 03% <br /> t-Butanol BA �- - s ._ EPA 82606_ 50 ,.-..�._F..... u IL ND 05-May-02_ � 1011% - �� 945%a 9 ' <br /> (TBA) g ND 150 150 _95 9/° 04% <br /> t Ethylene Dihromide(EDB) EPA 82606 _ 0 5~- x u~IL ~��- ND 05-May-02 N_D _ °wW �° y 4°j0 OM1°/ -ry <br /> _ 9125 -1010/° 1251018/ 101 ° <br /> TPF! Gas EPA 8015MILUFT 50 ug/L 107 _ ( 05-May-02 ^ND 504 _, 96 0%°Ty 500 96 4% 97_6% rn 4 4°/ <br /> TPFI-Diesel EPA 8015M1LUFT 100 ug1L 05-May-02 ND _50_00 102_0% 5000_ 96 0% ig93 0% 0 8% <br /> - mg/L=nulligrams per Liter=ppni RSD-t epresent i elative per cent different(RPD)between duplicates spike of samples-_ <br /> ug/L=mici ograms per Liter=ppb of Duplicate of Sample <br /> SP CT ULLY IT D, MS/MSD-mensure of the percent recovery efficiencies within the matt ix <br /> C=Composite G=Grab <br /> LCS-measure of the percent iecovery of the Laboi atory Control Spike(LCS) <br /> DLR-Detection Limit for the Purpose of Reporting Exceptional sample <br /> .TD 0th Haa V Le,Laboratory Director matrices w inteifereneces may result in higher derection luaus <br /> FP,4-1 nvironniental Protection Agenr}9'91 CIGvDIBna lgtl' 1�4Gtell�rl fgt6Cggn np,(,(YngydTiinteIBt'&9I 462-0892 Fax (209) 462-79;Igi Page l tf <br />