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co ENWD NO'-TECH <br /> LU DAnalytical Labcxratory CER TIFTCATE OF ANALYSIS <br /> 0_ TO. Rita Koehnen } Tuesday,June 24,2003 <br /> Port of Stockton <br /> r <br /> 2201 W Washington 5t <br /> Stockton CA 95203 <br /> Aromatic Compound In Gasoline by GCNS <br /> Sample Infotmakon <br /> Sample ID• 22337-03 Sample Type Grab <br /> Sample Description MW 3-3 Ptaject Name Port of Stoclaon UST site No 3 t <br /> Daf&Mme Sampled 5/28/2003 10 50 00 AMSample Matrix Ground Water <br /> , wrt II, --- <br /> ANAL YTICALRESULT - {4 QAIQCREPORT <br /> f _Date LCS SpikeM MS Spike- <br /> A { <br /> y Test Parameter Method DLR 3 unit Result 'Analyzed Blank Coto LCS% Conc, MS% MSD <br /> _ RSD l <br /> BenzeneLL ...._ .. r.wW._.. r <br /> L _ _ A EPA 8260B---- _0 5 1 11 ug/L 18 02-Jun-0_3 NO _25 - 9_6_0% 25 1D4_09/° 712 0_% <br /> To{uene EPA 8260B 0 5 _ uglL�_^--27_94 -- 02-)un-03 ND _25 m 920% ~ 2_5 _ 960% 1_0_8 0%-�_2_9% <br /> n-0 _ <br /> E Ihenzene -- <br /> J_ � _ _ -- -_--- - EPA 8260B^ 0 5 +-- ug/L --_ 71- D2-Jun-03 NU � 25~ 96 0°� - -25T "_104 0% 108 0%- —0-9% <br /> !m,p-Xylene EPA 8260E 05 <br /> M 02 Jun-03 -� NO 52 1000% -5z_µ4 105 a% w 1D9 6% <br /> ---EPA'8260E -- 05-- <br /> - -- 4-'---Ju- --"----_- 25 - 92 D/o —25 1120% 104 D <br /> __ r� u9n_-_ 48 i 02-Jun-03 NO o <br /> TPN Gas " -- NEPA 8D15NULUFT 5D-y; C� ug' <br /> lL « _- 710 _+-� - 02-Jun-03 NO "_- TM 500 1D4 0° M -o a`- <br /> /0 500 110 0/° 104 0/0 1 4°!° <br /> 7,2_-0ichloroefhane-d4(Surroga_te_)_ _4/oRec_avery �i 9646 - - w- -' - - - -- ` - - ---' <br /> J4-8F9-(Surrogate)- .____- -. __ -%Recovery _ k <br /> inrgIV-nulllgrani r per Liter=ppm RSD-represent r elamve percerr d fferent(RPD)between duplicates sprhe of samples TF { f 14 ` or Duplicate of Sample <br /> ED, lu�,1+rucragramsperLrler�ppb <br /> ? C-CotnptsBPte Cr=Grab ALVAfSD-measm-e of rhe percent recovery effrtrenctee i°tfhfn the matin <br /> z G I LCS-measure of the percent recovery of the Laboratory Conan!Spike(LCS) <br /> t - <br /> on han Hao V Le, Laboratory Director j4 DLR-Derectron Lmnf for the Purpose of Repartnrg Exceptional sample <br /> r ;f nutlrrces or rnterfereneces may result in higher defection lnni s <br /> ce <br /> � f pit <br /> a <br /> s i <br /> I n , <br /> s <br /> �r <br /> 1 <br /> al ' <br /> EPA-Envrran prolectran 4 enc +Method SAf d Me Axar off Paste 81h E <br />