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t <br /> ]10 2nd Avenue South #D7 Pacheco CA 94553 5560 <br /> McCampbell Analytical Inc Telephone 925 798-1620 Fax 925-798-1622 <br /> http//www mccampbelI corn E-mail maingraccampbell coin <br /> Advanced GeoEnvironmental Client Project ID Flag City Date Sampled 03/27/02 <br /> 837 Shaw Road Date Received 03/28/02 <br /> Client Contact Tim Cuellar Date Extracted 03/30/02-04/03/02 <br /> Stockton, CA 95215 <br /> Client P O Date Analyzed 03/30/02-04/03/02 <br /> Gasoline Range (C6-C12) Volatile Hydrocarbons as Gasoline* <br /> xtmction method SW5030B Analytical methods SW8021B/8015Cm Work Order 0203513 <br /> Lab ID Client 11) Matrix TPH(g) MTBE Benzene Toluene Ethylbenzene Xylenes DF %SS <br /> 033A EW-9/032702 W I ND 7 2 ! ND ND f ND ND 1 106 <br /> 034A EW-10/032702 W ND 16 ND ND ND ND 1 115 <br /> i <br /> 035A i EFFLUENT W ND ND ND ND ND ND 1 106 <br /> 036A Ii MW7/032802 i W ND 34 ND ND ND ND 1 111 <br /> 037A i MW11A/032802 i W ND I 73 E ND ND f ND ND 1 109 <br /> I <br /> 038A MW1IB/032802 W ND 130 ND ND ND ND 1 110 <br /> 039A MW11C/032802 W ND ND ND ND ND ND 1 109 <br /> � I <br /> 040A M W 11 D/032802 W ND 13 ND ND ND ND 1 110 <br /> 041 A MW 12A/032802 W ND ND ND ND ND i ND 1 106 <br /> 042A i M W 12B/032802 W ND ND ND ND ND ND l 105 <br /> 043A MW12C/032802 W ND I ND ND ND ND ND i 1 105 <br /> 044A M W 12D/032802 W ND I ND ND ND ND ND 1 I 105 <br /> I <br /> i <br /> Reporting Limit for DF=1, W I 50 5 0 5 1 05 0 5 0 5 ug/L <br /> ND means not detected at or E <br /> above the reporting limit S i 1 005 0 005 0 005 0 005 0 005 mg/Kg <br /> *Water and vapor samples are reported in ug/L,soil and sludge samples in mg/kg,wipe samples in ug/wipe,and TCLP extracts in ug/L <br /> DF=dilution factor <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),f)one to a few isolated non-target peaks present, <br /> g)strongly aged gasoline of diesel range compounds are significant h)lighter than water immiscible sheen/product is present t)liquid sample that <br /> contains greater than--2 vol %sediment,l)no recognizable pattern <br /> DHS Certification No 1644 Edward Hamilton,Lab Director <br />