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Environmental Laboratories - - Working to Restore Nature 42501 Albrae Street Fremont,CA 44538 Phone:(510)623-0775 (800)247-5223 FAX:(510)651-8754 ANALYSIS REPORT 10201ab.frm Attention: Mr. John Lane Date Sampled: 03-18-92 RESNA Date Received: 03-20-92 1710 Main Street BTEX Analyzed: 03-24-92 Escalon, CA 95320 TPHg Analyzed: 03-24-92 Project: AGS 19509-1 , Project #W0365 TPHd Analyzed: 03-26-92 Smith's Canal Matrix: Water Ethyl- Total Benzene Toluene benzene Xylenes TPHg TPHd ppb ppb ppb ppb ppb ppb Detection Limit: 0.5 0.5 0.5 0.5 50 100 SAMPLE Laboratory Identification SC MWI ND ND ND ND NR ND W1203573 SC MW2 ND ND ND ND NR ND W1203574 SC MM3 ND ND ND ND NR ND W1203575 SC IW ND ND ND ND NR ND W1203576 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(BTEX)are measured by extraction using EPA Method 5030 followed by analysis using EPA Method 8020/602,which utilizes a gas chromatograph(GC)equipped with a photoionization detector (PID)and a flame-ionization detector(FID) in series. TPHg—Total petroleum hydrocarbons as gasoline (low-to-medium 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 3510 for wate followed by modified EPA Method 8015 with direct sample injection into a GC equipped with an FID. March 25 1992 Laboratory Representative Date Reported i RESNA Environmental Laboratory IS CERTIFIED BY THE STATE OF CALIFORNIA DEPARTMENT OF HEALTH SERVICES AS A HAZARDOUS WASTE TESTING LABORATORY (Certification No. 1211)