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SEQUOIA MALYTMAL <br /> 1900 Bates Avenue • Suite LM • Concord,California 94520 APR Is W <br /> (510) 686-9640 • FAX (510)686-9689 <br /> ':��� 4:VT\\\'`M.�.C'Fii'Jn'•nY:i•SiC+Li.m"\1� :.. <br /> ARton Geoscfertce C1ier�t ect 1 f': Forms Mogi Bulk#0+-343/f3CM3e Mar 25, 1993 <br /> 5670 Stoneridge Drive, Suite 6 Sample Matrbc: Sol Received: Mar 29, 1993;; <br /> 'Pleasanton.CA 94588 Analysis Method: EPA 5030/6015/6020 Reported: Apr 9. 1993 <br /> Attention: Stephan Rosen First Sample �: 303-1247 <br /> TOTAL PURGEABLE PETROLEUM HYDROCARBONS With BTEX DISTINCTION <br /> Reporting Sample Sample Sample Sample Sample Sample <br /> Anatyte Umft I.D. I.D. I.D. I.D. I.D. I.D. <br /> mg/kg 303-1247 303-1248 303-1250 303-1251 303-1254 303-1255 <br /> AW-10 AW-10 AW-1 i AW-11 AW-12 AW-12 <br /> 1111.6-110 MP10.0 10.5-11.0 <br /> Purgeable <br /> Hydrocarbons 1.0 103 507 250 N.D. 570 590 <br /> Benzene 0.005 0.38 3.2 1.4 N.D. 6.6 4.0 <br /> Toluene 0.005 0.081 0.43 2.4 N.D. 2.3 2.2 <br /> Ethyl Benzene 0.005 1.3 11 1.9 N.D. 16 17 <br /> Total Xylenes 0.005 0.61 2.0 3.2 N.D. 6.0 6.3 <br /> Chromatogram Pattern: Gasollne& Gasoline& Gasoline& Gasoline& Gasoline& <br /> Non Gasoline Non Gw1ire Non Gasoline Non Gasoline Nan Gasoline <br /> Mixture f+Aixture Mbdufa mix&" Lixture <br /> (>Cg) (>C9) (>09) (>0% (>Co) <br /> Quality Control Data <br /> Report Unit Multiplication Factor: 10 25 1.0 1.0 SO 50 <br /> Date Analyzed: 4/2/93 4/2/93 4/2/93 4/2/93 4/2/93 4/2/93 <br /> Instrument Wentification: HP-2 HP-2 HP-2 HP-2 HP-6 HP-2 <br /> Surrogate Recovery,%: 118 **' 129 99 119 117 <br /> (OC Limits = 70-130%) <br /> purgeabie Flydrocarbons are quantitated against a fresh gasoline standard. <br /> Analytes reported as N.D.were not detected above the stated reporting limit. <br /> ;SE101 VANALAL NDB: "' able to quantitate due b . <br /> cott <br /> prged Manager 3031247.ALT <11:p- <br />