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• 1455 McDowell Blvd North,Ste D <br /> Sequoia Petaluma, 79 34954 <br /> 4 <br /> (747)792-1865 <br /> ! Analytical FAX(707) labs c 42 <br /> www sequota6s corn <br /> Cambria Environmental Project Eduiva 10d <br /> 270 Perkins St Project Number 440 West Charter Way,Stockton Reported <br /> Sonoma CA,95476 Project Manager Aubrey Cool 12/15/00 11 11 <br /> Total Petroleum Hydrocarbons as Gasoline and BTEX by EPA 8015NU8020M - Quality Control <br /> Sequoia Analytical - Petaluma <br /> Reporting Spike Source %REC RPD <br /> Analyte Result Limit Units Level Result %REC Limits RPD Limit Notes <br /> Batch 0110452-EPA 5030,soils McOH <br /> Blank(0110452-BLKI) _ Prepared&Analyzed 11/17/00 <br /> Gasoline ND 500 mg/kg <br /> Benzene ND 0 250 <br /> Toluene ND 0 250 <br /> Ethylbenzene ND 0 250 " <br /> Xylenes(total) ND 0 250 " <br /> Surrogate a a a-Trifluorotoluene 288 300 960 65-135 <br /> Surrogate 4-Bromofluorobenzene 262 300 873 65-135 <br /> Blank(0110452-BLK2) _ _ Prepared&Analyzed 11/21/00 <br /> Gasoline ND 500 mg/kg <br /> Benzene ND 0 250 " <br /> Toluene ND 0 250 <br /> Ethylbenzene ND 0 250 <br /> Xylenes(total) ND 0 254 " <br /> Surrogate a a a-Trifiuorotoluene 303 300 101 65-135 <br /> Surrogate 4-Bromofluorobenzene 276 " 300 920 65-135 <br /> _LCS(0110452-BS1) _ Prepared&Analyzed 11/17/00 <br /> Gasolme __ _ ___ _ _. _. - _ _ 94 6 50 O_mglkg 100. _ 946 _65-135 <br /> Surrogate 4-Bromofuorobenzene 275 300 91 7 65-135 <br /> LCS(0 1 10452-BS2) - - - -- - - - _ Prepared&Analyzed 11/21/00 - - -- - -- -- -- <br /> Gasoline 100 500 mg/kg 100 10o 65-135 <br /> Surrogate 4-Bromofluorobenzene 275 300 917 65-135 <br /> Matrix Spike(0110452-MSI) Source P011298-10 Prepared&Analyzed 11/17/00 <br /> Gasoline 931 500 mg/kg 100 ND 931 65-135 <br /> Surrogate 4-Bromofluorobenzene 262 300 873 65-135 <br /> Sequoia Analytical-Petaluma The results in this report apply to the samples analyzed in accordance with the ch <br /> custody document This analytical report must be reproduced in its entirety <br /> Page 23 of 32 <br />