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Environmental Laboratories Working to Restore Nature 42501 Albrae Street Fremont,CA 94538 ANALYSIS.REPORT Phone:(510)623-0775 (800)247-5223 10201ab.frm FAX:('X tention: Mr. Greg Stahl Date Sampled: 01-07-92 phi RESNA/Water Work Date Received: '01-10-92 1710 Main Street BTEX Analyzed: 01-13-92 Escalon, CA 95320 TPHg Analyzed: NR Project: AGS 195094, Project #195 TPHd Analyzed: 01-13-92 WSP Tracy Matrix: Water Ethyl- Total Benzene Toluene benzene Xylenes TPHg TPHd ppb ppb mh p4k p42h ppb Detection Limit: 0.5 0.5 0.5 0.5 50 100 SAMPLE Laboratory Identification WSPTR MW-1 ND ND ND ND NR ND W1201215 WSPTR MW-2 ND ND ND ND NR ND WlWI216 WSPTR MW-3 ND ND ND ND NR ND W1201217 WSPTR MWA ND ND ND ND NR ND W1201218 WSPTR MW-1D ND ND ND ND NR ND W1201219 ppb = parts per billion = ug/L= micrograms per liter. ND = Not detected. Compound(s)may be present at concentrations below the detection limit. NR = Analysis not requested. ANALYTICAL PROCEDURES BTEX—Benzene,toluene,ethylbenzene,and total xylene isomers(BTF—X)art measured by extraction using EPA Method 5030 followed by analysis using EPA Method$020/602,which utilizes a gas chromatograph(GC)equipped with a photoionisation detector (PID)and a flame-ionisation detector(FID)in series. TPHg--Total petroleum hydrocarbons as gasoline(low-to-mcdium boiling points)are measured by extraction using EPA Method 5030, followed by analysis using modified EPA Method 8015,which utilizes a GC equipped with an FID. TPHd--Total petroleum hydrocarbons as diesel(high boiling points)are measured by extraction using EPA Method 3550 for soils and EPA Method 33,55110 for�ollowed by modified EPA Mcihod 8015 with direct sample injection into a GC equipped with an FID. y/ anu 16 1 Laboratory Representative Date Reported RSSNA Envlroemental I.Aboratory IS CERTIFIED BY THE STATE OF CALIFORNIA DEPARTMENT OF HEALTH SERVICES AS A HAZARDOUS WASTE TESTING LABORATORY (Certification No. 1211)