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Environmental Laboratories: ��us <br /> Working To Restore Nature <br /> ANALYSIS REPORT <br /> 10201ab.frm <br /> Attention: Mr. Greg Stahl Date Sampled: 07-27-92 <br /> RESNA Date Received: 07-28-92 <br /> 1710 Main Street BTEX Analyzed: 07-28-92 <br /> Escalon, CA 95320 TPHg Analyzed: NR <br /> Project: AGS 19509-1, Project #W0195 TPHd Analyzed: 08-11-92 <br /> Westem Stone Product, Tracy Matrix: Water <br /> Ethyl- Total <br /> Benzene Toluene benzene Xylenes TPHg TPHd <br /> .Ab 9p b Wb Wb .Pb .Pb <br /> Detection Limit: 0.5 0.5 0.5 0.5 50 50 <br /> SAMPLE <br /> Laboratory Identification <br /> -j WSPTR MW-3 ND 0S5 ND ND NR ND <br /> W1207403 <br /> WSPTR MW-4 ND 0.60 1.2 0.57 NR ND <br /> W1207404 <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 /> BTEX—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 photoionization 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 utilizes a GC equipped with an FID. <br /> TPIId—Total petroleum hydrocarbons as diesel(high boiling points)are measured by extraction using EPA Method 3.550 for soils and <br /> EPA Method <br /> ��35110/for water,followed by modified EPA Method 8015 with direct sample injection into a GC equipped with an FID. <br /> August 13, 1992 <br /> Laboratory presentative Amended Report <br /> s <br /> RESNA ENVIRONMENTAL LABORATORY IS CERTIFIED BY T14E STATE OF CALIFORNIA s <br /> DEPARTMENT OF HEALTH SERVICES AS A IIA"LAItDOUS WASTE TESTING LABORATORY <br /> (Certification No. 1211) <br /> 42501 Albrae Street 0 Fremont, CA 94538 a Phone: (510) 623-0775 a (800) 247-5223 a FAX: (510) 651-8754 <br />