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Environmental Laboratories - _ ��� <br /> Working to Restore Nature <br /> 42501 Albrae Street <br /> Fremont,CA 94538 <br /> Phone (510)623-0775 <br /> FAX (16)651-8754247-5223 <br /> 51 85423 ANALYSIS REPORT <br /> IM01ab frm <br /> Attention Mr. Dave Stavarek Date Sampled: 03-09-92 <br /> RESNA Date Received. 03-12-92 <br /> 3164 Gold Camp Dr , Ste 200 BTEX Analyzed 03-12-92 <br /> Rancho Cordova, CA 95670 TPHg Analyzed: 03-12-92 <br /> Project AGS 38032 07 TPHd Analyzed: NR <br /> Matrix- Water <br /> Ethyl- Total <br /> Benzene Toluene benzene Xylenes TPHg TPHd <br /> ppbWb ppb p42b ppb ppbI <br /> Detection Limit. 05 05 05 0.5 50 100 <br /> SAMPLE <br /> Laboratory Identification <br /> i W-52-MW6 ND ND ND ND ND NR <br /> W1203419 <br /> W-52-MW7 1400 13 99 190 13000 NR <br /> W1203420 <br /> W-50-MW8 20 23 12 50 860 NR <br /> W1203421 <br /> l <br /> ppb = parts per billion = gg/L = micrograms per Mer <br /> ND = Not detected Compound(s)may be present at concentrations below the detection limit <br /> NR = Analysis not requested <br /> ANALYTICAL PROCEDURES <br /> I BTEX—Benzene,toluene,ethylbenzene,and total xylene isomers(BTEX)are measured by extraction using EPA Method 5030 <br /> followed by analysis using EPA Method 8020/602,which utilizes a gas chromatograph(GC)equipped with a photoionization detector <br /> (PID)and a flame-ionization detector(FID)in series <br /> TPHg--Total petroleum hydrocarbons as gasoline(low-to-medium boiling points)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 hydrocarbons as diesel(high boiling points)are measured by extraction using EPA Method 3550 for sods and <br /> EPA Method 3510 for wat r, followed by modified EPA Method 8015 with direct sample injection into a GC equipped with an FID <br />' March 18. 1992 <br /> Laboratory Representative Date Reported <br /> RESNA ENVIRONMENTAL LABORATORY i5 CERTIFIED BY THE STATE OF CALIFORNIA <br /> DEPARTMENT OF HEALTH SERVICES AS A HAZARDOUS WASTE TESTING LABORATORY <br /> I (Certification No 1211) <br />