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819 Striker Avenue,Suite 8 <br /> 6) .Sequoia Sacramento.CA 95834 <br /> Analytical FAX(916)921-9600 <br /> (916)921-0100 <br /> Espana Geotechnical Consulting Project: Highway 99/Hammer Lane Interchange Sampled: 10/19/99 <br /> 502 Guiseppe Court,Ste. 1 I Project Number: N/A Received: 10/20/99 <br /> Roseville,CA 95678 Project Manager: Michael Wilson Reported: ll/l/99 <br /> Total Purgeable Hydrocarbons(C6-C12)and BTEX by DHS LU FT <br /> Sequoia Analytical-Sacramento <br /> Batch Date Date Surrogate Reporting <br /> lAnalvte Number Prepared Analyzed Limits Limit Result Units Notes' <br /> ECC-5 voa S910255-02 Water <br /> Purgeable Hydrocarbons 9100277 10/22/99 10/22/99 50.0 ND ug/I <br /> Benzene 0.500 ND " <br /> Toluene 0.500 ND " <br /> Ethylbenzene 0.500 ND <br /> Xylenes(total) 0.500 ND " <br /> Surrogate: o,a,a-Trifluorotolttene 60.0-140 89.6 % <br /> EGC-2 voa S910255_04 Yater <br /> Purgeable Hydrocarbons 9100277 10/22/99 10/22/99 50.0 ND ug/I <br /> Benzene 0.500 ND " <br /> Toluene 0.500 ND " <br /> Ethylbenzene 0.500 ND " <br /> Xvlenes(total) 0.500 ND <br /> Surrogate: a,o,a-Tris luorotoluene 60.0-140 88.3 <br /> EGC-3-5 S910255-05 Soil <br /> Purgeable Hydrocarbons 9100278 10/26/99 10/25/99 1.00 4.24 mg/kg ) <br /> Benzene 0.00500 ND " <br /> Toluene 0.00500 ND " <br /> Ethylbenzene 0.00500 0.00842 <br /> Xylenes(total) 0.00500 0.0249 <br /> Surrogate: a,a,a-Trif/uorotoluene 60.0-140 97.0 % <br /> EGC-6-4 5910255-06 Soil <br /> Purgeable Hydrocarbons 9100278 10/26/99 10/25/99 1.00 ND mg/kg <br /> Benzene 0.00500 ND " <br /> Toluene 0.00500 ND " <br /> Ethylbenzene 0.00500 ND " <br /> Xylenes(total) 0.00500 ND " <br /> Surrogate: 0,0.0-Tris luorotoluene 60.0-190 99.5 <br /> i <br /> EGC-4-4 S910255-07 Soil <br /> Purgeable Hydrocarbons 9100278 10/26/99 10/25/99 1.00 ND mg/kg <br /> Benzene 0.00500 ND " <br /> Toluene 0.00500 ND <br /> Ethylbenzene 0.00500 ND <br /> Xylenes(total) _ __ 0.00500 ND " <br /> Surrogate: 0, 60.0-140 <br /> ECC-6-3 S910255-08 Soil <br /> Purgeable Hydrocarbons 9100278 10/26/99 10/25/99 1.00 ND mg/kg <br /> I <br /> Sequoia Analytical-Sacramento 'Refer to end of report for text of totes and definitions. <br /> Page 2 of 8 <br />