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Environmental Laboratories__ C <br /> Working To Restore Nature <br /> ANALYSIS REPORT <br /> 1MOlab frm <br /> Attention Mr. John Lane Date Sampled: 02-18-93 <br /> RESNA Date Received- 02-19-93 <br /> 1710 Main Street STEX Analyzed- 02-23-93 <br /> Escalon, CA 95320 TPHg Analyzed: 02-23-93 <br /> Project. 11020.01, Project W0613 01 TPHd Analyzed: NR <br /> Tracy Public Schools Matrix: Water <br /> Ethyl- Total <br /> Benzene Toluene benzene Xylenes TPHg TPHd <br /> Wb ppb P-pb -PW 2p <br /> Detection Limit: 0.5 05 0.5 0.5 50 50 <br /> SAMPLE <br /> Laboratory Identification <br /> TPS T-1 ND ND ND ND ND NR <br /> W1302345 <br /> TPS T-2 ND ND ND ND ND NR <br /> W1302346 <br /> TPS T-3 ND ND ND ND ND NR <br /> W1302347 <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,PRO®UR1 S <br /> B EX—Benzene,toluene,ethyibenzene,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 photolonization 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 water,followed by modified EPA Method 8015 with direct sample injection into a GC equipped with an FID <br /> - WrT-4 February 26 1993 <br /> Laboratory Re resentative 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 9 Fremont, CA 94538 • Phone (510) 623-0775 9 (800) 247-5223 • FAX (510) 651-8754 <br />