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RECEIVED APR 1 2 1993 <br /> Environmental Laboratories == <br /> Working To Restore Nature <br /> ANALYSIS REPORT <br /> Attention John Lane Date Sampled 03-24-93 <br /> RESNA Date Received 03-26-93 <br /> 1710 Main Street BTEX Analyzed 04-05-93 <br /> Escalon, Callfomia 95320 TPHg Analyzed 04-05-93 <br /> Project 11020 OL, Project W0309 00 TPHd Analyzed NR <br /> Gardner Property Matrix Water <br /> Ethyl Total <br /> Benzene Toluene Benzene Xylenes TPHg TPHd <br /> ppb ppb ppb ppb ppb _ ppb <br /> Detection Limit 0 5 05 0 5 05 50 50 <br /> SAMPLE <br /> Laboratory Identification <br /> GP MW1 ND ND ND ND ND NR <br /> W1303535 <br /> GP MW2 120 7 2 22 9 4 1700 NR <br /> W1303536 <br /> GP MW3 230 25 45 68 13000 NR <br /> W1303537 <br /> GP MW4 72 19 56 190 7100 NR <br /> W1303538 <br /> GP MW5 ND ND ND ND ND NR <br /> W1303539 <br /> ppb=parts per billion=ug1L=micrograms per Mer <br /> ND a Not detected Compound(s)maybe present at concentrations below the detection limit. <br /> NA=Analysis not requested. <br /> 'Chromatogram contaliss a discrette peak that ehites before benzene <br /> ANALYTICAL PROCEDURES <br /> BTEX Beru enc,toluene ethylbeamric,and total xylene isomers(BTEX)are measured by extraction using EPA Method 5030 <br /> followed by analysts using EPA Method 80201602,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 /> TPHd Total petroleum hydrocarbons as diesel(high boiling points)are measured by extraction using EPA Method 3550 for soils and <br /> EPA Method 33510 for water,followed by modified EPA Method 8015 with direct sample injection into a GC equipped with an FID <br /> U!Irl L-k W April 8,1993 <br /> Laboratory Repres tahve Date Reported <br /> RESNA ENVIRONMENTAL L.A130RATORY IS CERTIFIED BY THE STATE OF CALIFORNIA <br /> DEPARTMENT OF HEALTH SERVICES AS A HAZARDOUS WASTE I ESITNG 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 />