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Sequoia 680 Chesapeake Drive Redwood City;i'CA 91~ � (415) 964-%W _ FAX(415)364.9233 <br /> ■ ■ , 404 N.Wiget Lane Walnut Creek,CA 9459H (514) 988.9600 FAX(510)988.9673 <br /> 819 Striker Avenue,Suite 8 Sacramento,CA 95834 {916) 921-9600 FAX(916)921-0100 <br /> Analyieal <br /> Advanced Geol=nvironmental, inc Of I]roject I10: City of Stockton a Sampled: <br /> ::4005 North Wilson Way Sample Descdpt: Method Blank ;} <br /> . Received: NIA;;, <br /> Stockton, CA 95205 Analysis Method: EPA 5030/8260A Analyzed: Aug 7, 1998'> <br /> :Attention: Bill Little Lab Number. BLK080798 Reported: Aug 11, 1998',` <br /> i :..,,:;•::::•:..:':::.:.<:;.:ra:.:.sxa;;.rarr•. .: :::: -.:g.::o,<::;�y;or..,-.}::�..::::. .. :. .:':r.;n•;c^ , : : a v< : v <br /> 1 VOLATILE ORGANIC COMPOUNDS by G�C1MS (EPA 8260) <br /> ij <br /> Analyte Reporting Limit ;i Sample Results <br /> Pg/L i; p9/1- <br /> Naphthalene <br /> glLNaphthalene.................... <br /> ................................................. 10 ................................----- N.D. <br /> n-Propyl benzene..................... N.D. <br /> Styrene............................................................................. 2.0 <br /> i� .................•------........ N.D. <br /> 1,1,1,2-Tetrachloroethane................................................ 2.0 ..................................... N.D. <br />` 1,12,2-Tetrachloroethane.................................. 2.0 ' ...... .................... ....... N.D. <br /> Tetrachloroethylene..................I.. ...... 2.0 i <br /> N.D. <br /> ............................... .... <br /> Toluene...................................................----•-.................... 2.0 " ..................................... N.D. <br /> 1,2,3-Trichlorobenzene.................................................... 10 ..................................... N.D. <br /> 1,2,4-Trichlorobenzene.................................................... 10 .......................--'-----...... N.D. <br /> 1,1,1-Trichloroethane....................................................... 2.0 N.D. <br /> 1,1,2-Trichloroethane....................................................... 2.0 ! ..................................... N.D. <br /> Trichloroethylene.............................................................. 2.0 N.D. <br /> ltr <br /> Trichlorofluoromethane..................................................... 5.0 it N.D. <br /> 1,2,3-Trichloropropane..................................................... 2.0N.D. <br /> 1,2,4-Trimethylbenzene.................................................... 2.0 ..................................... N.D. <br /> ` 1 3,5-Trimeth Ibenzene.................................................... 2.0 '` ...... N.D. <br /> inyl chloride.................................................................... 5.0 N.D. <br /> ;% .. <br /> Total Xylenes............................................. ...................... 2.0 ................. .................. N.D. <br /> Ip <br /> I <br /> !l <br /> Surrogate Recovery Limits Percent Recovery <br /> Ij <br />' 1,4-Dichlorobenzene-D4 70-130% 102% <br /> 1,2-Dichioroethane-D4 70-130% 108% <br /> Toluene-D8 70-130% 9'1% <br /> "R <br /> Analyses reported as N.D.were detected at or above the reporting limit. <br /> SEQUOIA ANALYTICAL, EP #12`!1 <br /> �V <br /> f j} <br /> on'eld W. Bobel <br /> ro1ect Mana er/ <br /> Sacramento Laboratory Page <br /> ;' s807333.AAA <4> <br />