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Sequoia U 819 Striker Avenue.Suite 8 <br /> ` <br /> 'Sacramento,CA 95834 <br /> Analytical (916)921-90 <br /> Analytical (916}921-O100 <br /> FAX (X) <br /> Espana Geotechnical Consulting Project: Highway 99/Hammer Lane Interchange Sampled: 10/19/99 <br /> 502 Guiseppe Court,Ste. 1 I Project Number: NIA Received: 10/20/99 <br /> Roseville,CA 95678 Project Manager: Michael Wilson Reported: 11/1/99 <br /> I <br /> Total Purgeable Hydrocarbons(C6-C12) and BTEX by DHS LUFT <br /> Sequoia Analytical-Sacramento <br /> Batch Date Date Surrogate Reporting _ <br /> [knalvte Number Prepared Analyzed Limits Limit Result Units Notes. <br /> EGC-5 voa 5910255-02 Water <br /> Purgeable Hydrocarbons 9100277 10/22/99 10122/99 50.0 ND ug/l <br /> Benzene 0.500 ND " <br /> Toluene 0.500 ND " <br /> Ethylbenzene 0.500 ND <br /> Xvlcncs(total) 0.500 ND " <br /> Surrogate: o,a,a-Trifluorotoluene 60.0-140 89.6 % <br /> EGC-2 voa S910255-04 Water <br /> Purgeable Hydrocarbons 9100277 10/22/99 10/22/99 50.0 ND ugll <br /> Benzene 0.500 ND " <br /> Toluene „ 0.500 ND <br /> Ethvlbenzene 0.500 ND " <br /> Xvlcncs(total) 0.500 ND <br /> Surrogate: a,a,a-Trifluorotoluene 60.0-140 88.3 % <br /> i <br /> EGC-3-5 S910255-05 Soil <br /> Purgeable Hydrocarbons 9100278 10/26/99 10/25/99 1.00 4.24 mg/kg l <br /> Benzene 0.00500 ND " <br /> Toluene „ „ „ 0.00500 ND " <br /> Eth)•lbenzene 0.00500 0.00842 " <br /> Xylenes(total) 0.00500 0.0249 " <br /> Surrogate: a,a.a-Trifluorotoluene 60.0.140 97.0 % <br /> EGC-6-4 5910255-06 Soil <br /> Purgeable HArocarbons 9100278 10/26/99 10/25/99 1.00 ND mg/kg <br /> Benzene 0.00500 ND " <br /> Toluene 0.00500 ND " <br /> Eth)•lbenzcne 0.00500 ND " <br /> X),lcncs(iota]) 0.00500 ND <br /> Surrogate: o,a,o-Trifluorotaluene 60.0-140 93.5 % <br /> ECC-4-4 S9102S5-07 Soil <br /> Purgeable Hydrocarbons 9100278 10126/99 10/25/99 1.00 ND mg/kg <br /> Benzene 0.00500 NO " <br /> Toluene 0.00500 ND " <br /> Ethylbenzenc 0.00500 ND " <br /> Xylenes(total) _ 0.00500 ND " <br /> Surrogate: a.a,a-Tri)7uorotohrrne 60.0-140 93.0 % <br /> EGC-6-3 5910245-08 Soil <br /> Purgeable Hydrocarbons 9100278 10/26/99 10/25/99 1.00 ND mg/kg <br /> Sequoia Anal)iical-Sacramento 'Refer to end of report for test of notes and definitions. <br /> Pagc2of8 <br />