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to , a <br /> Environmental laboratories_ <br /> AAW"R04 <br /> Working To Restore Nature <br /> ANALYSIS REPORT <br /> IM01ab frm <br /> Attention Ms Tina LePage Date Sampled 08-05-92 <br /> RESNA Date Received 08-07-92 <br /> 1710 Main Street BTEX Analyzed: 08-11-92 <br /> Escalon, CA 95320 TPHg Analyzed 08-11-92 <br /> Project- 19509-1, Project #W0475 TPHd Analyzed NR <br /> Weber Point, Stockton Matrix Water <br /> Ethyl- Total <br /> Benzene Toluene benzene Xylenes TPHg TPHd <br /> Detection Limit- 0.5 0 5 05 0.5 50 50 <br /> SAMPLE <br /> Laboratory Identification <br />• WP RW-2 ND ND ND ND 240* NR <br /> W1208077 <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 = Analysts not requested <br /> = Far[ Iutang peaks are also pmscnL <br /> ANALYI7CAL PROCEDURES <br /> BTEX—Benzene,toluene,ethylbenzene,and total xylene isomers(BTEX)are measured by extraction using EPA Method 5030 <br /> followed by analysts using EPA Method 8020/602,which utilizes a gas chromatograph (GQ equipped with a photoiontzation detector <br /> (PID)and a flame-Ionization detector(FID) in serves <br /> TPHg Total petroleum hydrocarbons as gasoline (low-to-medium boiling points)are measured by extraction using EPA Method 5030, <br /> followed by analysts 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 crater,followed by modified EPA Method 8015 with direct sample injection into a GC equipped with an FID <br /> a August 17, 1992 <br /> LaboratoryUkepresentative Date Reported <br /> RESNA ENVIRONMENI;AL LABORATORY IS CERTIr7ED BY THE STATE 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 a (800) 247-5223 e FAX (510) 651-8754 <br />