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ECELCH E <br /> ENVIRONMENTAL LABS <br /> 500 Giuseppe Court, Suite 9 <br /> a <br /> Roseville, CA 95678 <br /> Phone#: (916) 773-3664 Fax#: (916) 773-4784 <br /> ANALYSIS REPORT <br /> s Attention: Mr. Noel Lerner Date Sampled: 12-23-96 <br /> Helmick&Lerner, Inc. Date Received: 12-23-96 <br /> 1620 Executive Court BTEX Analyzed: 12-23-96 <br /> Sacramento, CA 95864 TPHd Analyzed: 12-23-96 <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: 0.005 0.005 0.005 0.005 1.0 <br /> SAMPLE <br /> Laboratory Identification: <br /> c 584-587 ND ND ND 0.008 ND <br /> 51296335 <br /> =�a <br /> 588-591 ND ND ND ND ND <br /> 51296336 <br /> `j 592 ND ND ND ND ND <br /> 51296337 <br /> r--5 <br /> 593 ND ND ND ND ND <br /> S1296338 <br /> 594 ND ND ND ND ND <br /> 51296339 <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 /> 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 /> a 12-23-96 <br /> ratory epresentative Date Reported <br /> EXCELCHEM ENVIRONMENTAL LABS IS CERTIFIED BY THE STATE OF CALIFORNIA <br /> DEPARTMENT OF HEALTH SERVICES AS A HAZARDOUS WASTE TESTING LABORATORY <br /> }.'� (Ceriificddon No.1760,2119) <br />