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4--18-1995 2.47AM FROM P. 3 <br /> EXCELCHEM <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. Steve Fonseca. Date Sampled : 07-06-95 <br /> CLEMENS CONSTRUCTION Date Received: 07-06-95 <br /> 620 Azelia Avenue TPHg Analyzed: 07-14-95 <br /> Redding, CA. 96002 BTEX Analyzed: 07-14-95 <br /> TPHd Analyzed: 07-12-95 <br /> Project : Stockton GSA Tanks Matrix: Soil <br /> Ethyl- Total <br /> Benzene Toluene benzene Xylenes TPHg TPHd <br /> PPM PPM PPM PPM PPM .PPM <br /> Reporting Limit: 0.005 0.005 . 0.005 0.005 1.0 100 <br /> SAMPLE <br /> Laboratory Identification: <br /> FBD.BLD,N.WL 14' ND ND ND 0.008 "9.2 7,900 <br /> S0795002 <br /> i <br /> ppm = Parts per million = mg/kg = milligram per kilogram <br /> .Peala:in gasoline range however sample chromatography does not look like our regular unleaded gasoline standard chromatography. <br /> NO - Not detected. Compound(s)may he 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 <br /> by analysis using EPA Method 8020 which utilize;a gas chromatograph(GC)equipped with a photoionization detector <br /> TPFfg-Total petroleum hydrocarbons as gasoline(Sow-tomcdium boiling points)are measured by extraction using EPA Method 5030, <br /> followed by modified EPA Method 8015,which utilizes a GC equipped with an FID_ <br /> TPHd-Total petroleum hydrocarbons as diesel are measured by extraction using EPA Method 3550 followed by modified F-PA Method <br /> 9015 with direct sample injection into a GC equipped with a FID. <br /> r <br /> 07-18-95 <br /> bo tory Re sentative Date Reported <br /> - I <br /> EXCBLCHEM ENVIRONMENTAL L RS IS CERTIFIED BY THE STATE OF CALIFORNIA <br /> DEPARTMENT OF HEALTH SERVICES AS A HAZARDOUS WASI'I'r TT:SFING LABORATORY <br /> (Certification No.1760) <br />