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Environmental Laboratories - =� <br /> Working To Restore Nature <br /> ANALYSIS REPORT <br /> 10201ab fret <br /> Attention: Ms Eloise Frick Date Sampled. 07-16-92 <br /> RESNA Date Received 07-17-92 <br /> 3164 Gold Camp Dr, Ste 200 BTEX Analyzed 07-20-92 <br /> Rancho Cordova, CA 95670 TPHg Analyzed. 07-20-92 <br /> Project: AGS 38009 04 TPHd Analyzed. 07-23-92 <br /> Fire station #2, Stockton Matrix Water <br /> Ethyl- Total <br /> Benzene Toluene benzene Xylenes TPHg TPHd <br /> 12Pb <br /> Detection Limit. 0.5 05 05 05 50 50 <br /> SAMPLE <br /> Laboratory Identification <br /> W-43-MW3 ND ND ND ND 93* ND <br /> W1207273 <br /> W-43-MW4 ND ND ND ND 44)0* ND <br /> W1207275 <br /> W-43-MW2 ND ND ND ND 98* ND <br /> W1207277 <br /> W-44-MW1 31 13 23 11 1600* ND <br /> W1207279 <br /> ppb = parts per billion = µg/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 /> Several early eluttag peaks are also present. <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 photodonizatdon detector <br /> (PID) and a flame-ionization detector(FID) in series <br /> TPHg—Total petroleum hydrocarbons as gasoline (low-to-medoum 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 /> =4--Total petroleum hydrocarbons as diesel(high boding points)are measured by extraction using EPA Method 3550 for soils and <br /> EPA Method 3510 for water followed by modified EPA Method 8015 with direct sample injection into a GC equipped with an FID <br /> �C( 'A f duly 31, 1992 <br />#; Laboratory R IMsentatiVe Date Reported <br /> RE KA ENVIRONMEWAL LAIIORATORY IS CERTIFIED BY THE STATE OF CALIFORNIA <br /> DEPARTMENT OF HEALTH SERVICES AS A HAZARDOUS WASTE TESTING LABORATORY <br /> (Certification No 1211) <br /> 42501 Albrae Street 9 Fremont CA 94538 a Phone (514) 623-0775 • (800) 247-5223 9 FAX (510) 651-5754 <br />