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110 2nd Avenue South #D7 Pacheco,CA 94553 5560 <br /> McCampbell Analytical Inc Telephone 925 798-1620 Fax 925 798-1622 <br /> bttpJ/www mccanipbell coni E-mail.main nicem>pbell com <br /> Advanced GeoEnvironmental,Inc Client Project ID Rainwater Car Wash Date Sampled 09/10/03 <br /> ' 837 Shaw Road Date Received 09/11/03 <br /> Client Contact Tim Cuellar Date Extracted 09113103-09/16/03 <br /> Stockton, CA 95215 <br /> Client P O Date Analyzed 09/13/03-09/16/03 <br /> Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline with BTEX and MTBE* <br /> Extraction method SW50308 Analytical methods SW8021B/8015Cm Work Order 0309192 <br /> ' Lab 11) Client ID Matrix TPH(g) MTBE Benzene Toluene Ethylbenzene Xylenes DF %S5 <br /> 001A Influent W 630,a --- 59 98 35 91 2 --# <br /> 002A Effluent W ND -- ND ND ND ND 1 101 <br /> 003A GAC-2 W ND -- ND ND ND ND 1 101 <br /> r , <br /> Reporting 1-mut for DF=1 W 7 50 50 05 05 0 5 05 1T;9—/L <br /> ' ND means not detected at or <br /> above the reportinghunt S NA NA NA NA NANA �Im�,/Yg <br /> *water and s apor samples and all TCLP&SPLP extracts are reported in ug/L,soll/sludge/solid samples in mg/kg, wipe samples in pg/wipe, <br /> product/oil/non aqueous liquid samples in mg/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 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 gasoline),e)TPH pattern that does not appear to be derived from gasoline(stoddard solvent/mineral spint'%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,i)liquid <br /> sample that contains greater than—2 vol %sediment,j)reporting limit raised due to high MTBE content,k)TPH pattern that does not appear to be <br /> derived from gasoline(aviation as) m no recognizable pattern <br /> DHS Certification No 1644 ' Angela Rydehus,Lab Manager <br /> I, <br />