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Environmental Laboratories =__--= :A&AF� Working to Restore Nature 42501 Albrae Street Fremont,CA 94538 Phone (510)623-0775 (800)247-5223 FAX (510)651-8754 ANALYSIS REPORT 10201ab fret Attention: Ms. Tina LePage Date Sampled: 02-13-92 RESNA/Water Work Date Received: 02-21-92 1710 Main Street BTEX Analyzed 02-21-92 Escalon, CA 95320 TPHg Analyzed. 02-21-92 Project. AGS 19509-1, Project #W0475 TPHd Analyzed- NR Weber Point Matrix: Water Ethyl- Total Benzene Toluene benzene Xylenes TPHg TPHd l p Detection Lieut 0.5 0.5 05 05 50 100 SAMPLE Laboratory Identification WP MW-1 36 0.8 ND 38 290 NR W1202443 WP MW-2 13 ND 4 6 7.1 450 NR W1202444 WP MW3 92 21 15 50 2600 NR W1202445 WP MW4 ND ND ND ND ND NR W1202446 WP MW5 ND ND ND ND ND NR W1202447 ppb = parts per billion = ug/L = micrograms per liter ND = Not detected Compound(s)may be present at concentrations below the detection limit NR = Analysts not requested ANALYTICAL PROCEDURES BTEC—Benzene, toluene,ethylbenzene,and total xylene isomers(BTEX)are measured by extraction using EPA Method 5030 followed by analysts using EPA Method 8020/602,which utilizes a gas chromatograph(GC)equipped with a photoioni ation detector (PID)and a flame-ionization detector(FID)in renes TPHg—Total petroleum hydrocarbons as gasoline(low-to-medium boiling points)are measured by extraction using EPA Method 5030, followed by analysis using modified EPA Method 8015,which utilizes a GC equipped with an FID TPHd—Total petroleum hydrocarbons as diesel(high boiling points)are measured by extraction using EPA Method 3550 for soils and EPA Method 3510 for ter, ollowcd by modified EPA Method 8015 with direct sample injection into a GC equipped with an FID Febry aa 26 1992 Laboratory Representative Date Reported RESNA Environmental Laboratory IS CERTIFIED BY THE SPATE OF CALIFORNIA DEPARTMENT OF HEALTH SERVICES AS A HAZARDOUS WASTE T nNG LABORATORY (Certification No 1211)