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E-X0ELCHE <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: <br />Helmick & Lerner, Inc. Date Received: <br />1620 Executive Court BTEX Analyzed: <br />Sacramento, CA 95864 TPHd Analyzed: <br />Project: Stockton Unified School District Matrix: <br />12-23-96 <br />12-23-96 <br />12-23-96 <br />12-23-96 <br />Ethyl- Total <br />Benzene Toluene benzene Xylenes TPHd <br />PPM PPM PPM PPM PPM <br />Renortin2 Limit: 0.005 0.005 0.005 0.005 1.0 <br />SAMPLE <br />Laboratory Identification: <br />584-587 ND ND ND 0.008 ND <br />51296335 <br />588-591 ND ND ND ND ND <br />S1296336 <br />592 ND ND ND ND ND <br />S1296337 <br />593 ND ND ND ND ND <br />S1296338 <br />594 ND ND ND ND ND <br />51296339 <br />Soil <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 />BTE\— 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 />12-23-96 <br />kratory epresentative Date Reported <br />EXCELCHEM ENVIRONMENTAL LABS IS CERTIFIED BY THE STATE OF CALIFORNIA <br />DEPARTMENT OF HEALTH SERVICES ASA HAZARDOUS WASTE TESTING LABORATORY <br />(Certification No. 1760, 2119) <br />