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Environmental Laboratories <br /> Working to Restore Nature <br /> 42501 Albrae Street <br /> Fremont,CA 94538 <br /> Phone (510)623-0775 <br /> FAX (510651-8754 3 ANALYSIS REPORT <br /> 10MIabfrm <br /> Attention: Mr. John Lane Date Sampled: 03-04-92 <br /> RESNA Date Received 03-06-92 <br /> 1710 Main Street BTEX Analyzed 03.10-92 <br /> Escalon, CA 95320 TPHg Analyzed: 03-10-92 <br /> Project: AGS 19509-1, Project #W0309 TPHd Analyzed: NR <br /> Gardner Property, Thornton Matrix: Water <br /> Ethyl- Total <br /> Benzene Toluene benzene Xylenes TPHg TPHd <br /> ppb pp <br /> RRh p12—b ppb <br /> Detection Limit 0.5 05 0.5 0.5 50 100 <br /> SAMPLE <br /> Laboratory Identification <br /> GP MW6 ND ND ND ND ND NR <br /> W1203194 <br /> ppb = parts per billion = ug/L = micrograms per titer <br /> ND = Not detected Compound(s)may be present at concentrations below the detection limit <br /> NR = Analysis not requested <br /> ANALYTICAL PROCEDURES <br /> MX—Benzene,toluene,ethylbenzene,and total xylene isomers(BTEX)are measured by extraction using EPA Method 5030 <br /> followed by analysis using EPA Method 8020/602,which utilizes a gas chromatograph(GC)equipped with a photoiontzatton detector <br /> (PID)and a flame-ionization detector(FID) in series <br /> TPHg-.Total petroleum hydrocarbons as gasoline(low-to-medium boiling points)are measured by extraction using EPA Method 5030, <br /> followed by analysis using modified EPA Method 8015,which ut]hzes a GC equipped with an FID <br /> TPHd—Total petroleum hydrocarbons as diesel(high boiling points) are measured by extraction using EPA Method 3550 for soils and <br /> EPA Method 3510 fo water, followed by modified EPA Method 8015 with direct sample infection into a GC equipped with an FID <br /> March 13. 1992 <br />. Laboratory Representative Date Reported <br /> RESNA Environmental Laboratory IS CERTIFIED BY THE STATE OF CALIFORNIA <br /> DEPARTMENT OF HEALTH SERVICES AS A HAZARDOUS WASTE TESTING LABORATORY <br /> (Certification No 1211) <br />