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r� <br /> ECELCHEM <br /> ENVIRONMENTAL LABS <br /> =` 500 Giuseppe Court, Suite 9 <br /> Roseville, CA 95678 <br /> Phone#: (916) 773-3664 Fax#: (916) 773-4784 <br /> ANALYSIS REPORT <br /> Attention: Mr.Noel Lerner Date Sampled: 01-03-97 <br /> Helmick&Lerner,Inc. Date Received: 01-03-97 <br /> 1620 Executive Court MTBE Analyzed: 01-06-97 <br /> Sacramento,CA 95864 BTEX Analyzed: 01-06-97 <br /> TPHg Analyzed: 01-06-97 <br /> Project: 00811/Stockton Unified School District Matrix: Soil <br /> Ethyl- Total <br /> MTBE Benzene Toluene benzene Xylenes TPHg <br /> a PPM PPM PPM PPM PPM PPM <br /> : ! Reporting Limit: 0.150 0.150 0.150 0.150 0.150 15 <br /> SAMPLE <br /> —� Laboratory Identification: <br /> I <br /> " 0635 ND ND ND ND 1.71 691 <br /> S0197044 <br /> ppm=Parts per million=mg/Kg=milligram per Kilogram <br /> = '<• ND=Not detected" Compound(s)may be present at concentrations below the reporting limit. <br /> Note: BTEX reporting limit was raised due to high concentration of non-target analyte. <br /> ANALYTICAL PROCEDURES <br /> MTBE--Methyl Cert-Butyl Ether is measured by extraction using EPA Method 5030 followed by analysis using EPA Method 8020 which utilizes a <br /> gas chromatograph(GC)equipped with a pholoionizalion detector(PID). <br /> BTEX--Benzene,toluene,ethylbenzene,and total xylene isomers(13TE.X)are measured by extraction using EPA Method 5030 followed by analysis <br /> " using EPA Method 8020 which utilizes a gas chromatograph(GC)equipped with a pholoionization detector(PID). <br /> TPHg--Total petroleum hydrocarbons as gasoline(low to medium boiling points)are measured by extraelion using EPA Method 5030,followed by <br /> modified EPA Method 8015 which utilizes a GC equipped with a FID. <br /> i 01-07-97 <br /> _ ab ratory epresentattve Date Reported <br /> _i <br /> EXCELCHEM ENVIRONMENTAL LABS IS CERTIFIED BY THE STATE OF CALIFORNIA <br /> DEPARTMENT OF HEALTH SERVICES AS A HAZARDOUS WASTE TESTING LABORATORY <br /> (Certification No.1760,2119) <br />