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EXCELCHEM <br /> ENVIRONMENTAL LABS <br /> •-J,: � "'rte . <br /> 500 Giuseppe Court, Suite 9 <br /> Roseville, CA 95678 <br /> Phone#: (916) 773-3664 Fax#: (916) 773-4784 <br /> ANALYSIS REPORT <br /> ' Date Sampled: 01-03-97 <br /> 'E< ; Attention: Mr.Noel Lerner F O1-03-97 <br /> Helmick&Lerner,Inc. Date Received: <br /> 1620 Executive Court BTEX Analyzed: 01-06-97 <br /> Sacramento,CA 95864 TPHd Analyzed: 01-06-97 <br /> Project: 00811/Stockton Unified School District Matrix: Soil <br /> f=zl <br /> Ethyl- Total <br /> Benzene Toluene benzene Xylenes TPHd <br /> _.{ PPM PPM PPM PQM PPM <br /> Reporting Limit: 0.065 0.065 0.065 0.065 100 <br /> SAMPLE <br /> Laboratory Identification: <br /> 0638 ND ND 0.085 0.114 6190 <br /> 50197047 <br /> S 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 /> fit <br /> iVole; BTEX reporting limit was raised due to high concentration of non-target anaiyle. <br /> ANALYTICAL PROCEDURES <br /> BTEX--Benzene,toluene,ethylbenzene,and total xylene isomers(BTEX)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 photoionization detector(PID). <br /> TPHd--Total petroleum hydrocarbons as diesel(high bailing points)are measured by extraction using EPA Method 3550,followed by modified EPA <br /> -.� ethod 8015,with direct sample injection into a GC equipped with an FID. <br /> 01-07-97 <br /> } <br /> ab ratory Representative Date Reported <br /> i <br /> � l <br /> I <br /> EXCELCHEM CNVIRONMENTAL LABS IS CERTIFIED BY THE STATE OF CALIFORNIA <br /> { DEPARTMENT OF I IEAI TH SERVICES ASA HAZARDOUS WASTE TESTING LABORATORY <br /> P + (CeA[Fcelion No.1766,2119) <br /> �t 1 <br />