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Environmental Laboratories - - ��5�� Working to Restore Nature 42501 Albrae Street Fremont,CA 94538 Phone (510)623-0775 (800)247-5223 FAX (510)651-8754 ANALYSIS REPORT 10MIab frm Attention- Mr. Bill Channell Date Sampled. 02-27-92 RESNA/Water Work Date Received 03-03-92 1710 Main Street BTEX Analyzed: 03-03-92 Escalon, CA 95320 TPHg Analyzed: 03-03-92 Project. AGS 19509-1 , Project #W0155 TPHd Analyzed: NR Chase Chevrolet Matrix- Water Ethyl- Total Benzene Toluene benzene Xylenes TPHg TPHd ppbP P 1 P- Detection Limit. 05 05 0.5 0.5 50 100 SAMPLE Laboratory Identification . CHC MW-1 33 220 41 180 5800 NR W1203049 CHC MW-2 ND 15 13 21 480 NR W1203050 CHC MW-4 ND ND ND 71 710 NR W1203051 CHC MW-5 ND ND ND ND ND NR W1203052 CHC MW-6 290 180 76 430 12000 NR W1203053 ppb = parts per billion = ug/L = micrograms per liter ND = Not detected Compound(s)may be present at concentrations below the detection lunit NR = Analysis not requested ANALY171CAL 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 Anth a photoionization detector (PID)and a flame-ionization detector(FID)in series TPHg—Total petroleum hydrocarbons as gasoline (low-to-mcdium boiling points)are measured by extraction using EPA Method 5030, followed by analysts 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 Vter,followed by modified EPA Method 8015 with direct sample injection into a GC equipped with an FID March 6. 1992 . Laboratory Representative Date Reported RESNA Environmental Laboratory IS CERTIFIED BY THE STATE OF CALIFORNIA DEPARTMENT OF HEALTH SERVICES AS A HAZARDOUS WASTE TESTING LABORATORY (Certification No 1211)