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` 110 2nd Avenue South,ilD7,Pacheco CA 94553-5560 <br /> McCampbell Analytical Inc Telephone 925-798 1620 Fax 925-798-1622 <br /> ' <br /> httpJ/www meca bell cam E mail main bell com <br /> • Advanced GeoEnvironmental, Inc Client Project ID Rainwater Car Wash Date Sampled 06/19/03 <br /> 837 Shaw Road Date Received 06/20/03 <br /> ' Client Contact Tim Cuellar Date Extracted 06/23/03-06/25103 <br /> Stockton, CA 95215 <br /> rChent P O Date Analyzed 06/23/03-06/25/03 <br /> ' Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline with BTEX and MTBE* <br /> Extraction method SW5030B Analytical methods SW802113/8015Cm Work Order 0306428 <br /> 1 Lab 1D Client 113 Matrix TPH(g) MTBE Benzene Toluene Ethylbenzene Xylenes DF %SS <br /> 001A INFLUENT W 2800,a 4100 200 120 71 690 20 106 <br /> 002A GAC-2 W ND ND ND ND N) ND 1 102 <br /> 003A EFFLUENT W ND ND ND ND ND ND 1 103 <br /> I 1 <br /> 1 <br /> Reporting Limit for DF=1 W 50 50 I 05 r 05 05 0 5 1 gg/L <br /> ' ND means not detected at or <br /> above the reporting limit S NA NA NA NA NA NA 1 mg/Kg <br /> *water and vapor samples are reported inµg/L,soil and sludge samples in mg/kg,wipe samples in jig/wipe,and TCLP extracts inµg(L <br /> ' #cluttered chromatogram,sample peak coeiutes 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 significant(aged gasoline?),c)lighter gasoline range <br /> ' compounds(the most mobile fraction)are significant,d)gasoline range compounds having broad chromatographic peaks are significant,biologically <br /> altered gasolme7,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 r <br /> DHS Certification No 1644 Angela[Rydelius, Lab Manager <br /> 1 I I r r r r { I r <br /> r 14 I 1 I I I r <br /> I <br /> ! r r <br />