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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 /> httpJ/www inecampbeli corn E mad niam@Tnecarripbeil coin <br />' Advanced GeoEnvironmental, Inc Client Project ID Pacific Auto Center Date Sampled 01/02/03 <br /> • <br />' 837 Shaw Road Date Received 01/03/03 <br /> Brockton, CA 95215 Client Contact Paul Dotson Date Extracted 01/03/03-01/10/03 <br />' LCent P O Date Analyzed 01/03/03-01/10/03 <br /> Gasoline Range(C&C12) Volatile Hydrocarbons as Gasoline with BTEX and MTBE* <br /> Extraction method SW5030B Analytical methods SW8021B/8015Cm Work Order 6301013 <br />' Lab M Client ID 1 Matrix TPH(g) MTBE Benzene Toluene Ethylbenzene Xylenes DF %SS <br /> 001A DW-1101-02-03 W ND --- ND ND ND ND 1 112 <br /> 002A MW1101-02-03 W 390,a --- 086 13 1 1 86 1 995 <br /> 003A MW2/01-02-03 W ND — ND Nil ND ND I 100 <br /> 004A MW3/01-02-03 W 2800 --- 6 2 20 11 580 10 103 <br /> 005A DW2/010203 W ND --- ND ND ND ND 1 101 <br /> I � i <br /> Reporting Liimt for DF—1, W 50 5 0 0 5 0 5 05 0 51 <br /> ND means not detected at or 119/L <br /> above the repotting tint S NA NA T <br /> NA NA NA NA 1 tng/Kg <br /> *water and vapor samples are reported inµg/L,soil and sludge samples in mg/kg,wipe samples in lig/wipe,and TCLP extracts inµg/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 spint9),t)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,})reporting limit raised due to high MT13E 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 Edward Hamilton, Lab Director <br />