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r>� <br /> EXCELCHEM <br /> ENVIRONMENTAL LABS <br /> 500 Giuseppe Court, Suite 9 <br /> Roseville, CA 95678 <br /> Phonek (916) 773-3664 Fax#: (916) 773-4784 <br /> ANALYSIS REPORT <br /> Attention: Mr. Noel Lerner Date Sampled: 12-24-96 <br /> Helmick&Lerner, Inc. Date Received: 12-24-96 <br /> 1620 Executive Court BTEX Analyzed: 01-02-97 <br /> Sacramento, CA 95864 TPHd Analyzed. 01-03-97 <br /> Project: Stockton Unified School District Matrix: Soil <br /> Ethyl- Total <br /> Benzene Toluene benzene Xylenes TPHd <br /> PPM PPM PPM PPM PPM <br /> - Reporting Limit: 0.150 0.150 0.150 0.150 50 <br /> SAMPLE <br /> Laboratory Identification: <br /> 604 ND ND 0.536 2.74 6150 <br /> S1296354 <br /> ppm F Parts per million—mg/Kg=milligram per Kilogram <br /> ND=Not detected. Compouod(s)may be present at concentrations below the reporting limit. <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 boiling points)are measured by extraction using EPA Method 3550,followed by modified EPA <br /> Method 8015,with direct sample injection into a GC equipped with an FID. <br /> 01-06-97 <br /> ab atory Representative Date Reported <br /> -'i <br /> i <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 /> f <br />