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Environmental Laboratories - -N�� Working to Restore Nature 42501 Albrae Street Fremont,CA 94538 Phone (510)623-0775 FAX (510651-8754247-5223 5-85423 ANALYSIS REPORT 10201ab fret Attention: Mr. Dave Stavarek Date Sampled 03-09-92 RESNA Date Received- 03-12-92 3164 Gold Camp Dr, Ste 200 BTEX Analyzed: 03-12-92 Rancho Cordova, CA 95670 TPHg Analyzed 03-12-92 Project AGS 38032-7 TPHd Analyzed. NR Matrix: Soil Ethyl- Total Benzene Toluene benzene Xylenes TPHg TPHd PATriy-m 1?m Ulm— RPM pDm Detection Lima: 0 005 0 005 0.005 0 005 1.0 10 SAMPLE Laboratory Identification S-15-Bll 035 100 71 330 5300 NR S1203298 S-35-Bll 32 130 50 240 3900 NR S1203299 S-50-Bll 17 130 42 200 4300 NR 51203300 S-15-1312 0 007 0 043 0 013 0 076 20 NR 51203301. S-35-B12 0 026 0 025 0 017 0 074 15 NR 51203302 ppm = parts per million = mg/kg = milligrams per kilogram ND = Not detected Compound(s)may be present at concentrations below the detection limit NR = Analysis not requested ANALYTICAL PROCEDURES BTEX—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 photoionmation detector (PID)and a flame-ionization detector(FID) in series TPHg—Total petroleum hydrocarbons as gasoline(low-to-medtum 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 wa er, followed by modified EPA Method 8015 with direct sample injection into a GC equipped with an FID March 18, 1992 Laboratory Representative Date Reported RESNA ENVIRONMENTAL LABORATORY 1S CERTIFIED BY THE STATE OF CALIFORNIA DEPARTMENT OF HEALTH SERVICES AS A HAZARDOUS WASTE TESTING LABORATORY (Certification No 1211)