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r) <br /> 66- _nesapeake Drive Redwood City,CA 94c (650)364-9600 FAX(650)364-9233 <br /> Sequoia 404 N.Wlget lane Walnut Creek.CA 94598 (925)988-9600 FAX(925)988-9673 <br /> 819 Striker Avenue,Suite 8 Sacra ento.CA 95834' (916)921-9600 FAX(916)92[-0]00 <br /> Analytical 1455 McDowell Blvd.North,Ste.D Petaluma.CA 94954 (707)792-1865 FAX(707)792-0341 <br /> 1551 Industrial Road San Carlos, CA 940 70-4111 (650)232-9600 FAX(650)232-9612 <br /> ........ :::::::::liPro:,;:::IDSUSD-Edison High <br /> Schooi::::::;:.................. Sam...led: 0216/99:::::::: <br /> ATC Associates, Inc. Client jg p / / <br /> 1117 Lone Palm Avenue Sample Descript: SUSD/EHS- B1-20.0 Received: 02/19/99 <br /> Modesto, CA 95351-1502 Matrix: SOLID Extracted: 02/23/99 <br /> Analysis Method: EPA 8015 M d Analyzed: 02/26/99 <br /> Aisttention. T m L <br /> e<rm€ia€f nss€iLa€€€bNumber: 99=i0€€€ <br /> 2s A36-02 ' .............. <br /> Rorted: 03 01 99 <br /> i ss . :NNe€€s 'ss ..o .''ssss s ss `s <br /> _€ € €=€ € ='iii=•• <br /> . DC Batch Number: GCO223990HBPEXA <br /> Instrument ID: GCHP4A <br /> Total Extractable Petroleum Hydrocarbons (TEPH) <br /> FAnalyte De ection Limit Sample Results <br /> mg/Kg mg/Kg <br /> 11 F TEPH as Diesel .................... 1.0 .................... 1.0 <br /> Chromatogram Pattern: <br /> Unidentified HC .................... .................... C9-C24 <br /> Discrete Peak .................... .................... C24 <br /> Surrogates Cor troll Limits % % Recovery <br /> n-Pentacosane (C25) 50 150 91 <br /> F <br /> F <br /> F <br /> F <br /> F <br /> F <br /> F'" <br /> nalytes reported as N.O.were not present above the stated limit of detection. <br /> SEQUOIA ANALYTICAL - ELAP #12.10 <br /> ti S <br /> E w <br /> �'roject Manager Page: 4 <br /> F <br />