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Environmental Laboratories <br /> Working to Restore Nature <br /> l <br /> 42501 Albrae Street <br /> Fremont,CA 94538 <br /> Phone (510)623-0775 <br /> FAX (5 0651-8754 3 ANALYSIS REPORT <br /> 1020lab frtn <br /> Attention Mr Greg Stahl Date Sampled: 02-18-92 <br /> RESNA/Water Work Date Received: 02-21-92 <br /> 1710 Main Street BTEX Analyzed: 02-21-92 <br /> Escalon, CA 95320 TPHg Analyzed: 02-21-92 <br /> Project: AGS 19509-1 , Project #W0367 TPHd Analyzed: 02-22-92 <br /> Chevron, Stockton Matrix. Water <br /> Ethyl- Total <br /> Benzene Toluene benzene Xylenes TPHg TPHd <br /> p9b p9b ppb ppb pph ppb <br /> Detection Limit 0.5 05 05 0.5 50 100 <br /> SAMPLE <br /> Laboratory Identification <br /> MW-1 ND ND ND ND 120 ND <br /> W1202453 <br /> MW-2 ND ND ND ND ND ND <br /> W1202454 <br /> MW-3 ND ND ND ND ND ND <br /> W1202455 <br /> ppb = parts per billion ug/L = micrograms per liter <br /> ND = Not detected Compound(s)may be present at concentrations below the detection limit <br /> NR = Analysis not requested <br /> ANALYrICAL PROCEDURES <br /> RTEX—Benzene,toluene,ethylbenzene,and total xylene isomers(BTEX)are measured by extraction using EPA Method 5030 <br /> followed by analysts using EPA Method 8040/602,which utilizes a gas chromatograph(GC)equipped with a photoionization detector <br /> (PID)and a flame-ionization detector(FID)in series <br /> TPHg--Total petroleum hydrocarbons as gasoline(low-to-medium boding points)are measured by extraction using EPA Method 5030, <br /> followed by analysis using modified EPA Method 8015,which utilizes 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 for wa r,followed by modified EPA Method 8015 with direct sample injection into a GC equipped with an FID <br /> __ February 28. 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 TFSnNG LABORATORY <br /> (Certification No 1211) <br />