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Environmental Laboratories. w� <br /> "AWnAF=K <br /> Ff Working To Restore Nature <br /> ANALYSIS REPORT <br /> 10201ab.frm <br /> Attention: Mr. Greg Stahl Date Sampled: 04-07-92 <br /> RESNA Date Received: 04-10-92 <br /> 1710 Main Street BTEX Analyzed: 04-13-92 <br /> Escalon, CA 95320 TPHg Analyzed: NR <br /> Project: AGS 19509-1, Project #W0195 TPHd Analyzed: 04-23-92 <br /> Western Stone Products, Tracy Matrix: Water <br /> Ethyl- Total <br /> Benzene Toluene benzene Xylenes TPHg TPHd <br /> mb ppb pl2b p4)b ppb p4�h <br /> Detection Limit: 0.5 0.5 0.5 0.5 50 100 <br /> SAMPLE <br /> Laboratory Identification <br /> WSPTR MW-1 ND ND ND ND NR ND <br /> ef : W1204374 <br /> WSPTR MW-2 ND ND ND ND NR ND <br /> W1204375 <br /> WSPTR MW-3 ND ND ND ND NR ND <br /> W1204376 <br /> WSPTR MW-4 ND ND ND ND NR ND <br /> W1204377 <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 /> ANALYTICAL PROCEDURES <br /> BM—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 photoionisation detector <br /> (PID)and a flame-ionisation 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 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 waler,followed by modified EPA Method 8015 with direct sample injection into a GC equipped with an FID. <br /> .-- _-- April 24, 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 /> 42501 Albrae Street 0 Fremont, CA 94538 • Phone. (510) 623-0775 • (800) 247-5223 • FAX: (510) 651-8754 <br />