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Blv <br /> North.Ste D <br /> Sequoia 1455 McDowellPetaluma, <br /> ttal ma,CA 94954 <br /> (707) 792-1865 <br /> FA <br /> N-0 Analytical <br /> FAX(707) 792-0342 <br /> s <br /> Cambna Environmental Project Equiva 10d Sampled 12/13/99 to 12/14/99 <br /> 270 Perkins St Project Number 2494 Fremont St,Stockton,Ca Received 12/16/99 <br /> Sonoma,CA 95476 Project Manager Bob Perlowskt Re orted 1/4100 <br /> Total Petroleum Hydrocarbons as Gasoline aad BTEX by EPA 8015M/8020M/onaltty Conlrot <br /> Sequoia Analytical-Petariina <br /> Date Spike Sample QC Reporting Lieut Recov RPD RPD <br /> Analyte Analyzed Level Result Result Units Recov Limits % Limit % Notes* <br /> Batch 9120578 Date Prepared 12/23/99 Extraction Method EPA 5030 waters <br /> Blank 9120578-BLKI <br /> Gasoline 12/23/99 NO ug/l 500 <br /> Benzene NO 0 500 <br /> Toluene NO 0 500 <br /> Ethylbenzene NO 0 500 <br /> Xylenes(total) NO 0 500 <br /> Methyl tert-butyl ether NO 250 <br /> Surrogate a a a-Trifluorotoluene 300 259 650-135 863 <br /> Surrogate 4-Bromofluorobenzene 300 321 650-135 107 <br /> LCS 9120578-BS1 <br /> Gasoline 12/23/99 1000 1110 ug/l 650-135 111 <br /> Surrogate 4-Bromofluorobenzene It <br /> 300 326 650-135 109 <br /> 0a ix <br /> S Ike 9120578-MSI P912389-01 <br /> _asolme_ _ 12/23/99 1000 379 1160 ug/1 65 0-135 781 <br /> Surrogate 4-Bromofluorobenzene 11300 325 650-135 108 <br /> Matrix Spike Duo 9120578-MSD1 P912389-01 <br /> Gasoline 12/23/99 1000 379 1330 ug/1 650-135 951 200 196 <br /> Surrogate 4-Bromofluorobenzene 300 312 650-135 107 <br /> uoia Analytical-Petaluma *Refer to end of report for text of notes and definitions <br /> Page 10 of 13 <br />