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1455 McDowell Blvd North Ste D <br /> S e qu o l a Petaluma CA 94954 <br /> (707)79z-1865 <br /> %0 Analytical F (707)792-0342 <br /> www sequoEalabs on <br /> e <br /> Cambria Environmental Project Equiva Sampled 5/23/00 to 5/25100 <br /> 270 Perkins St Project Number 6131 Pacific Ave,Stockton Received 5/26/00 <br /> Sonoma,CA 95.476_ Project Manager Aubrey Cool Re orted 6/6100 <br /> Total Petroleum Hydrocarbons as Gasoline and BTEX by EPA 801SM18020M/Quality ControL <br /> Sequoia Analytical-Petaluma TT <br /> - — <br /> Date Spike Sample QC Reporting Limit Recov RPD RPD <br /> Anal a <br /> Analyzed Level Result Result Units Recov Lnruts % Lint % Notes* <br /> Blank continued 0050779-BLK2 <br /> Surrogate 4-8romofluorobenzene 612100 0 600 0 546 mg/kg 650-135 910 <br /> LCS 0050779-BSI <br /> Benzene 5/31/00 0200 0200 mg/kg 650-135 100 <br /> Toluene to0200 0202 to 650-135 101 <br /> Ethylbenzene 0200 0 199 650-135 995 <br /> Xylenes(total) 0 600 0 660 19650-135 110 <br /> Methyl tert-butyl ether 0200 0 189 to650-135 94 5 <br /> Surrogate a,a,a-Tr fluorotoluene 0 600 0 597 650-135 995 <br /> -LCS - 9 0050779-BS2 - - - - _ - - - _ <br /> Gasoline 6/2/00 200 1 87 mg/kg 650-135 935 <br /> Surrogate 4-Bromofluorobenzene 0 600 0 572 " 650-135 953 <br /> Matrix Spike 0050779-MS1 P005752-09 <br /> Benzene F 5/31100 0200 ND 0204 mg/kg 650-135 102 <br /> Toluene 0200 00390 0 286 650-135 124 <br /> Ethylbenzene 0200 00130 0 236 650-135 111 <br />_Xylenes(total)__ 0600_ 0103 _0 896 650-135 132 <br />==--Methyl tert-butyl ether-- 200_�—=-ND�� O 195-= "- -- =65 0-135--97 5 - <br /> Surrogate ax a-Trtuorotoluene 0 600 0 610 650-135 102 <br /> Matrix Spike Dun 0050779-MSD1 P005752-09 <br /> Benzene - - 5/31/00 -0200 - ND 0206 - mg/kg 650-135 103 200 0 976 <br /> Toluene 0200 00390 0 294 650-135 127 200 2.39 <br /> Ethylbenzene to0200 00130 0 233 to650-135 110 200 0 905 <br /> _ u Xylenes(total)_ _r _ .s _ _ _ " - _- _ 0 600 _ 0103- 0 886 , " _ _65 0-135_� -130� 20 0 -1.53--_-- <br /> Methyl <br /> _-- <br /> Methyl tert-butyl ether to0200 ND 0190 650-135 950 200 2.60 <br /> Surrogate a,a,a-Trifluorotoluene 0 600 0 603 650-135 100 <br /> Batch 0060021 Date Prepared 611100 _ , Extraction Method- EPA 5030 waters w <br /> Blank 0060021-BLK1 <br /> Gasoline 6/1/00 ND u2A 50 0 <br /> Benzene ND to0 500 <br /> Toluene toND 0 500 <br /> T Ethylbenzenc - ND " _ -__ 0 500 - - - - <br /> Xylenes(total)- "� - ND— _ -—0500— <br /> Methyl tent-butyl ether ND to250 <br /> Surrogate a,a,a-Tnfluorotoluene 300 326 650-135 109 <br /> Surrogate 4-BromoJluorobenxene 300 273 650-135 910 <br /> Sequoia Analytical-Petaluma `Refer to end of report for text of notes and defint <br /> Page 13 of 17 <br />