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110 2nd Avenue South,#D7,Pacheco CA 94553-5560 <br /> 140McCampbell .Analytical Inc Telephone 925-798-I620 Fax 925-798 1622 <br /> ' bttpd/www mccampbell com E-mail nuun@mccarripbell corn <br /> . Advanced GeoEnvlronrnental,Inc Client Project ID Ramwater Car Wash Date Sampled 05/14/03 <br /> ' 837 Shaw Road Date Received 05/15/03 <br /> Client Contact Tun Cuellar Date Extracted 05/16/03-05/17103 <br /> Stockton,CA 95215 <br /> ' Client P O Date Analyzed 05/16/03-05/17/03 <br /> Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline wttb BTEX and MTBE* <br /> Extraction method SW5030B Analytical methods SW802113/0015Cm Work Order 0305231 <br /> ' Lab ID Client ID Matrix TPH(g) MTBE Benzene Toluene Ethylbenzene Xylenes DF %SS <br /> 001A Influent W 2300,a 4400 200 46 26 500 5 102 <br /> ' 002A Effluent W ND ND ND ND ND ND 1 102 <br /> 003A GAC-2 W ND 5 3 ND ND ND ND 1 101 <br /> ! <br /> L--------- <br /> 1 <br /> Reporting Lint for DF-1, W 50 .50 0 5 05 0 5 1 05 1 µg/1, <br /> ND means not detected at or <br /> above the rcporung limit S NA NA NA NA NA NA 1 mg/Kg <br /> *water and vapor samples are reported in F&L,sod and sludge samples 1n mg/kg,wipe samples in jig/wipe,and TCLP extracts 1n jig/L <br /> ' #cluttered chromatogram,sample peak coelutes with surrogate peak <br /> +The following descriptions of the TPH chromatogram are cursory in nature and McCampbell Analytical is not responsible for their interpretation a) <br /> unmodified or weakly modified gasoline is significant,b)heavier gasoline range compounds are slgnificant(aged gasGhW),c)lighter gasoline range <br /> ' compounds(the most mobile fraction)are significant,d)gasoline range compounds having broad chromatographici peaks are significant,biologically <br /> altered gasoline9,e)TPH pattern that does not appear to be derived from gasoline(stoddard solvent/mineral spirit'),f)one to a few isolated non-target <br /> peaks present,g)strongly aged gasoline or diesel range compounds are significant,h)lighter than water immiscible sheen/product is present,1)liquid <br /> sample that contains greater than—2 vol %sediment,l)reporting limit raised due to high MTBE content,k)TPH pattern that does not appear to be <br /> ' derived from gasoline(aviation gas) m)no recognizable pattern <br /> DHS Certification No 1644 Angela Rydelius,Lab Manager <br /> ' 141 <br /> i <br />