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RECEIVED MAR 2 0 1992 <br /> Environmental Laboratories ---- JZCOMA% <br /> Working to Restore Nature <br /> 42501 Albrae Street <br /> Fremont,CA 94538 <br /> Phone (510)623-0775 <br /> FAX (106511-8 54 3 ANALYSIS REPORT <br /> 10MIab frm <br /> Attention- Ms. Tina Le Page Date Sampled: 03-05-92 <br /> RESNA/Water Work Date Received. 03-06-92 <br /> 1710 Main Street BTEX Analyzed: 03-06-92 <br /> Escalon, CA 95320 TPHg Analyzed: 03-06-92 <br /> Project: AGS 19509-1 , Project #W0174 TPHd Analyzed: 03-08-92 <br /> MDT, Stockton Matrix: Water <br /> Ethyl- Total <br /> Benzene Toluene benzene Xylenes TPHg TPHd <br /> Rph ppb 1h p4�b ppb ppb <br /> Detection Limit- 0.5 05 05 0.5 50 100 <br /> SAMPLE <br /> Laboratory Identification <br /> MDT MW1 1.2 14 48 7.4 1300 ND <br /> W1203175 <br /> MDT MW3 ND ND ND ND ND NR <br /> W1203177 <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 /> ANALYTICAL 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(GC)equipped with a photownizatton detector <br /> (PID)and a Flame-ionization detector(FID) to series <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 sods and <br /> EPA Method 351Zot erfollowed by modified EPA Method 8015 with direct sample injection into a GC equipped with an FID <br />. .- _.March 11, 1992 <br /> Laboratory Representative Date Reported <br /> i <br /> RESNA Environmental Laboratory IS CER'IIFIFD BY THE STATE OF CALIFORNIA <br /> DEPARTMENT OF HEALT11 SERVICES AS A HAZARDOUS WASTE TESTING LABORATORY <br /> (Certification No 1211) <br />