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------------- <br /> RECEM6- <br /> MAR t 5 1993 <br />' environmental Laboratories AN10"AW AM <br /> Working To Restore Nature <br /> ANALYSIS REPORT <br /> Attention: Greg Stahl Date Sampled: 02-23-93 <br /> RESNA Date Received: 03-01-93 <br /> 1710 Main Street BTEX Analyzed: 03-01-93 <br /> Escalon, California 95320 TPHg Analyzed: NR <br /> Project: 11020.OL, Project W0195 TPHd Analyzed: 03-09-93 <br /> Western Stone Tracy Matrix: Water <br /> Ethyl Total <br /> Benzene Toluene Benzene Xylenes TPHg TPHd <br /> Ppb ppb ppb ppb ppb ppb <br /> Detection Limit: 0.5 0.5 0.5 0.5 50 50 <br /> SAMPLE <br /> Laboratory Identification <br /> Baker Tank ND ND ND ND NR ND <br /> W1302497 <br /> Ppb=parts per billion=ug/L=myograms per liter <br /> ND=Not detected. Compound(s)may be present at concentrations blow the detection limit <br /> NR=Analysis not requested <br /> ANALYTICAL PROCEDURES <br /> BTEX: Benzene,toluene ethylbeayone and total xylene isomers(BTEX)are measured by extraction using EPA Method 5030 <br /> followed by analysis using EPA Method 80201602,which utilizes a gas chromatograph(GC)equipped with a pbotoiona2boo detector <br /> (PID)and a flame-ionbation deflector(FI))in series. <br /> TPHg: Total petroleum hydrocarbons as gasoline(low to medium boiling pointe)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 hydmearbom as diesel(high boiling points)are measured by extraction using EPA Method 3550 for soils and <br /> EPA Method 3510f <br /> orwater,followed by modified EPA Method 8015 with direct sample injection into a GC equipped with an FID. <br /> March 11,1993 <br /> Laboratory Repred,91tativ. Date Reported <br /> RESNA ENVIRONMENTAL LABORATORY IS CERTIFIED BY THE SPATE 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 />