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Environmental Laboratories _ AWAVuAM <br /> Working To Restore Nature <br /> ANALYSIS REPORT <br /> 10201ab firm <br /> Attention Mr Greg Altimarl Date Sampled 10-20-92 <br /> RESNA Date Received 10-23-92 <br /> 3164 Gold Camp Dr , Ste 200 BTEX Analvzed 10-26-92 <br /> Rancho Cordova, CA 95670 TPHg Analyzed 10-26-92 <br /> Project 3800904 TPHd Analyzed 10-26-92 <br /> Fire Station, Stockton Matrix eater <br /> Ethyl- Total <br /> Benzene Toluene benzene Xylenes TPHg TPHd <br /> Detection Limit 05 05 05 05 50 50 <br /> SAMPLE <br /> Laboratory Identification <br /> W-45-MW4 ND ND ND ND 190 ND <br /> W1210465 <br /> W-45-MW3 27 41 16 92 69 ND <br /> W1210466 <br /> W-45-MW2 ND ND ND ND 100 ND <br /> W1210467 <br /> W-45-MW1 590 520 110 550 7200 ND* <br /> W1210468 <br /> W-45-RW1 21 37 27 72 810 ND* <br /> ppb = parts per billion = ug/L = micrograms per liter <br /> \D = Not detected compound(s) may be present at concentrations below the detection limit <br /> \R = Analvsrs not requested <br /> Chromatogram radtcates gasoline <br /> ANALYTICAL PROCEDURES <br /> BTEX— Benzene toluene ethvlbenzene and total xvlene isomers(BTEX) are measured by extraction using EP 1 Method 5030 <br /> tollowed by analvsts using EPA Method 8020/602 which utilizes a gas chromatograph (GC) equipped with a pnotoronrzation detector <br /> (PID) and a flame-ionization detector(1113) to series <br /> TPHg--fotal petroleum hvdrocarbons as gasoline (low-to-medium boiling points)are measured by extraction using EPA Method x030 <br /> followed by analysts using modified EPA Method 6015 which utilizes a GC equipped with an HD <br /> 171`11d—Total petroleum hydrocarbons as diesel (high boiling points) are measured br extraction using EP % Method 3550 for soils and <br /> EPA Method 3514 for water tollowed by modified EPA Method 8015 with direct sample tnlecnon into a GC cautpped with an HD <br /> LP�6(_ November 4 1992 <br /> Laboratory RepIpsentative Date Reported <br /> RESNA ENVIRONNIENl'AL LAI30RATORY IS CERTIFIED BY THE STATE OF CALIFORNIA <br /> DEPARTMENT OF HEALTH SERVICES AS A IiAZARDOLS WASTE TEMNG LABORATORY <br /> (Certification \0 1211) <br /> --2301 -,Ibrae Street • Fremont C , y4338 • Phone 3101 b23 W, 73 • 8001 247-52223 "\ 0 651 875- <br />