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Environmental laboratories <br /> It��n�t <br /> Working To Restore Nature <br /> ANALYSIS REPORT <br /> 10201ab.frm <br /> Attention: Mr. John Lane Date Sampled: 12-09-92 <br /> RESNA Date Received: 12-11-92 <br /> 1710 Main Street BTEX Analyzed: 12-11-92 <br /> Escalon, CA 95320 TPHg Analyzed: NR <br /> Project: 19509-L, Project #W0365.01 TPHd Analyzed: 12-15-92 <br /> Stockton Smith Canal Matrix: Water <br /> Ethyl- Total <br /> Benzene Toluene benzene Xylenes TPHg TPHd <br /> ppb Dpb Wb -ppb -b ppb <br /> Detection Limit: 0.5 0.5 0.5 0.5 50 50 <br /> SAMPLE <br /> Laboratory Identification <br /> Sc MW1 ND ND ND ND NR ND <br /> W1212193 <br /> SC MW2 ND ND ND ND NR ND <br /> W1212194 <br /> SC MW3 ND ND ND ND NR 66 <br /> W1212195 <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 /> TPFIg--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 /> TP11d--Total petroleum hydrocarbons as diesel(high boiling points)are measured by extraction using EPA Method 3550 for soils and <br /> EPA Method 3510 for water,followed by modified EPA Method 80115 with direct sample injection into a GC equipped with an FID. <br /> Il <br /> l December 28,19_92 <br /> Laboratory R resentative Date Reported <br /> 42501 Albrae Street + Fremont, CA 94538 • Phone: (510) 623-0775 + (800) 247-5223 • FAX: (510) 651-8754 <br /> I <br />