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EXCELCHEM <br /> ENVIRONMENTAL LABS <br /> 500 Giuseppe Court, Suite 9 <br /> Roseville, CA 95678 <br /> Phonek (916) 773-3664 Fax#: (916) 773-4784 <br /> > `I <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 BTEX Analyzed: 01-03-97 <br /> Sacramento, CA 95864 TPHd Analyzed: 01-06-97 <br /> Project: 00811/Stockton Unified School District Matrix: Soil <br /> ; Ij <br /> Ethyl- Total <br /> Benzene Toluene benzene Xylenes TPHd <br /> PPM PPM PPM PPM PPM <br /> I <br /> Reporting Limit: 0.005 0.005 0.005 0.005 1'0 <br /> SAMPLE <br /> Laboratory Identification: <br /> ' 0612 ND ND ND ND ND <br /> 50197021 <br /> I > 0613 ND ND ND ND ND <br /> 50197022 <br /> 0614 ND ND ND ND ND <br /> 50197023 <br /> 0615 ND ND ND ND ND <br /> S0197024 <br /> 0616 ND ND ND ND ND <br /> 50197025 <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 /> I <br /> 01-07-97 <br /> a ratory Representative Date Reported <br /> I <br /> : E <br /> EXCELCHEM ENVIRONMENTAL LAB5 IS CERTIFIED BY THE STATE OF CALIFORNIA <br /> DEPARTMENT OF HEAL'Tl'.SERVICES AS A HAZARDOUS WASTE TESTING LABORATORY <br /> (Certification No.1760,2119) <br /> I <br />