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819 Striker Ave Ste 8 <br /> Sacramento CA 9~814 <br /> c u��?a (916)921-96,00 <br /> 1�� � 1C FAX(gl6)92]-01V0 <br /> 4D <br /> • www se uomtab,,coin <br /> lip <br /> ler-Ryan- Petaluma Project Tosco 11192,Stockton CA 5212235 <br /> N McDowell Blvd tite B2 Project Number NIA Reported <br /> Petaluma CA,94954 ProleLt Manager ]ed Douglas 02/05/03 11 52 <br /> Gasoline (2-Methylpentane to 1,2,4-Trimethylbenzene) and BTEX by EPA 8015M and 8021B <br /> Sequoia Analytical - Sacramento <br /> Reporting <br /> Analyte Result Limit lints Dilution Batch Prepared Analyzed Method Notes <br /> CPT2-75 S212235-01 Water Sampled 12/04/02 12 50 Received 12/06/02 09 00 <br /> Purgeable Hydrocarbons ND 50 ug/l 1 2120262 12/16/02 12/16/02 EPA 8015/8021 <br /> Benzene ND 050 <br /> Toluene ND 050 " <br /> 0 50 <br /> Ethylberzene ND „ <br /> Xylenes(total) <br /> ND 050 „ <br /> Methyl tert-butyl ether ND 20 <br /> Surrogate a a a-Trifluorotvluene <br /> 112% 60-140 " <br /> CPT2-101 5212235-02 Water Sampled 12/04/02 1120 Received 12/06/02 09 00 <br /> Porgeable Hydrocarbons ND 50 ug/l 1 2120262 12/16/02 12/16/02 EPA 8015/8021 <br /> Benzene ND 050 <br /> Toluene ND 050 „ <br /> Ethylbenzene ND 050 <br /> " <br /> Xylenes(total) ND 050 <br /> Methyl tert-butyl ether <br /> ND 20 " <br /> W-ate a a a-Trifluorotoluene 107% 60-140 <br /> 120 5212235-03 Water Sampled 12/04/02 14 05 Received 12/06/0209 00 <br /> 1 2120262 12/16/02 12!16102 EPA 8015/5021 <br /> Forgeable Hydrocarbons ND 50 ug/1 <br /> 0 50 " <br /> Benzene ND „ <br /> Toluene <br /> ND 050 <br /> Ethylbenzene ND 050 <br /> 0 50 <br /> Xylenes(total) ND <br /> Methyl tert-butyl ether ND 2 0 " <br /> Surrogate a a u-Trrfluvrotoluene 103 % 60-140 " <br /> o1a Analytical- Sacramento The results in tills report apply to the samples analyzed in accordance with the chant of <br /> custody document Unless others tse stated results are reported on a wet weight basis <br /> This analytical report must be rtproduced in its entirety <br /> Page 3 of 14 <br />