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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 /> 14:�� - hup//www mccampbell cam E-mail main@mccampbell com <br /> Advanced GeoEnvironmental,Inc CIient Project ID Pacific Mini Mart Date Sampled 08/14/02 <br /> S837 Shaw Road (ARCO) Date Received 08/16/02 <br />' Stockton,CA 95215 Client Contact Bili Little Date Extracted 08/23/02-08/25102 <br /> Client P O Date Analyzed 08123/02-08/25102 <br />' Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline* <br /> Ext-rdcll-nethod SW5030B Analytical methods 8015Cm Work Order 0208287 <br />' Lab ID Client ID Matrix TPH(g) DF %SS <br /> OOIA MW10/08-14-02 W ND 1 992 <br />' 002A MW 13/08-14-02 W ND 1 100 <br /> 003A MW14/08-14-02 W ND 1 992 <br />' 004A MWIS/08-14-02 W ND 1 986 <br /> 005A MW16/08-14-02 W ND 1 101 <br />' 006A INFLUENT W 2100,a 5 ---# <br /> 007A EFFLUENT W ND 1 100 <br /> 008A VW-1/08-15-02 W 1200,a 1 ---# <br /> 009A MW-1108-15-02 W ND 1 948 <br /> lie <br /> 010A MW2/08-15-02 W ND 1 972 <br /> 011A MW3/08-15-02 W ND 1 969 <br />' 012A MW4/08-15-02 W 2300,a I - # <br /> 013A MW5/08-15-02 W 36,000,a 50 108 <br /> 014A MW6/08-15-02 W ND I 108 <br /> 015A MW7/08-15-02 W ND 1 101 <br />' 016A MW8/08-15-02 W ND 1 992 <br /> Reporting Limit for DF=1, W 50 µg/L <br /> ND means not detected at or S NA NA <br /> above the reporting limit <br /> "water and vapor samples are reported in ug/L,soil and sludge samples to mg/kg,wipe samples in ug/wipe,productloil/non-aqueous liquid samples In <br /> mg/L,and TCLP extracts in ug/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 signi6cant(aged gasohne9),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 gasoline7,e)TPH pattern that does not appear to be derived from gasoline(stoddard solvent),f)one to a few isolated non-target peaks present, <br /> g)strongly aged gasoline or diesel range compounds are significant,h)lighter than water immiscible sheen/product is present,i)liquid sample that <br /> contains greater than—2 vol %sediment,3)reporting limit raised due to high MTBE content,k)TPH pattern that does not appear to be derived from <br /> gasoline(aviation gas) m)no recognizable pattern <br /> DHS Certification No 1644 Edward Hamilton, Lab Director <br />