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Se uoiia 8857ar5037 <br /> Morgan Hill,CA 95037 95037 <br /> �D- (409)782.9640 <br /> Analytical <br /> FAX(408 782-6308 <br /> www.sequoialabs.con <br /> tratus Environmental Inc. Project: ARCO#5469,Stockton,CA MLK0749 <br /> 30 Cameron Park Dr.,Suite 550 Project Number: ARCO#5469, Stockton,CA Reported: <br /> Cameron Park CA,95682 Project Manager: Jay Johnson 12/19/02 08:44 <br /> Total Purgeable Hydrocarbons (C6-C10) by EPA 8015E modified, RTEX by EPA $021B <br /> Sequoia Analytical- Morgan Hill <br /> Reporting <br /> Analyte Result Limit Units Dilution Batch Prepared Analyzed Method Notes <br /> CPT 1-42 (11'1LK0749-01)Soil Sampled: 11/19/02 15:00 Received: 11/19/02 17:00 <br /> Gasoline Range Organics(C6-C10) NrD 0.50 mg/kg 1 2K26004 11/26/02 11/26/02 8015Bm/8021B <br /> Benzene ND 0.0050 " " <br /> Toluene ND 0.0050 " 1. " <br /> Ethylbenzene ND 0.0050 " 1. <br /> Xylenes(total) ND 0.010 1. " <br /> Surrogate. a,a,a-Triluorotoluene 93.5% 64-145 <br /> Surrogate:4-Bromofluorobenzene 78.5% 41-173 " <br /> CPT 1-78(MLK0749-02)Soil Sampled: 11/19/02 15:45 Received: 11/19/02 17.00 _ <br /> Gasoline Range Organics(C6-C10) ND 0.50 mg/kg 1 2K26004 11/26/02 11/26/02 8015Bm/8021B <br /> Benzene - ND 0.0050 " <br /> Toluene ND 0.0050 <br /> Ethylbenzene ND 0.0050 <br /> Xylenes(total) ND 0.010 <br /> Surrogate:a,a,a-Trifluorotoluene 68.5% 64-145 <br /> gate: 4-Brornofluorobenzene 76.0% 41-173 <br /> WI-93 <br /> 04LK0749-03 Soil Sam led: 11/19/02 16:20 Received: 11/19/02 17:00 <br /> Gasoline Range Organics(C6-C10) ND 0.50 mg/kg 1 2L02001 12/02/02 12/02/02 8015Bm/8021B <br /> Benzene ND 0.0050 <br /> '.Toluene 0.0055 0.0050 <br /> Ethylbenzene ND 0.0050 <br /> Xylenes(total) 0.028 0.010 <br /> Surrogate:a,a,a-Tris luorotoluene 74.0% 64-145 <br /> Surrogate: 4-Bromof7uorobenzene 119% 41-173 <br /> i <br /> I <br /> I <br /> I <br /> i <br /> I <br /> i <br /> I <br /> i <br /> i <br /> S is Analytical-Morgan Hill The results in this report apply to the samples analyzed in accordance with the chain of <br /> custody document. Unless otherwise stated,results are reported on a wet w ightbasis <br /> This analytical report must be reproduced in its entirety <br /> Page 3 of 9 <br />