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AM Environmental Laboratories ___— ` ' Working to Restore Nature r 42501 Albrae Street Fremont,CA 94538 ' Phone:(510)623-0775 247-5 FAX:(5 1000651-8754223 511-8543 ANALYSIS REPORT 10201ab.frm Attention: Ms. Tina LePage Date Sampled: 01-24-92 RESNA/Water Work Date Received: 01-28-92 1710 Main Street BTEX Analyzed: 01-29-92 Escalon, CA 95320 TPHg Analyzed: 01-29-92 Project: AGS 19509-L, Project #W0257 TPHd Analyzed: NR Sebastian Vineyards, Lodi Matrix: Water Ethyl- Total Benzene Toluene benzene Xylenes TPHg TPHd P-P—b D4?h wh Pph ppb P.4?h Detection Limit: OS 0.5 0.5 0.5 50 100 SAMPLE Laboratory Identification SV MW-1 20 2.1 ND 0.8 620 NR { W1201556 SV MW-2 ND ND ND ND 70 NR W120L557 SV MW-3 ND ND ND ND ND NR WIM1558 SV MW-4 ND ND ND ND ND NR W1201559 i SV MW-5 ND ND ND ND ND NR W1201560 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 photoionisation 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 er followed by modified EPA Method 8015 with direct sample injection into a GC equipped with an FID. February 6. 1992 Laboratory Representative Date Reported RESNA Environmental Laboratory IS CERTIFIED BY THE STATE OF CALIFORNIA DEPARTMENT OF HEALTH SERVICES AS A HAZARDOUS WASTE TESTING LABORATORY (Certification No. 1211)