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' r 110 2nd Avenue South #D7 Pacheco CA 94553-5560 <br /> r4 <br /> McCampbcll Analytical Inc Telephone 925-798-1620 Fax 925-798-1622 <br /> h— //www mccaiigibell com Email inainQmccarripbell corn <br />' J Advanced GeoEnvironmental,Inc Client Project ID Gran Line Gas&Food Date Sampled 12/19/02 <br /> . 837 Shaw Road Date Received 12/20/02 <br />' Client Contact Paul Dotson Date Extracted 12/26102-12128/02 <br /> Stockton, CA 95215 <br /> Client P O Date Analyzed 12126/02-12/28/02 <br />' Gasoline Range(C6-C12) Volatile Hydrocarbons as Gasoline* <br /> xtracuon method SW5030B Analytical methods SW8015Cm Work Order 0212368 <br />' Lab 1D Client 1D Matrix TPH(g) DF %SS <br /> 001A MW 2 W ND 1 103 <br />' 002A MW 3 W ND 1 106 <br /> 003A MW 4 W ND 1 106 <br />' 004A MW 5 W ND 1 106 <br /> 005A MW 6 W ND 1 103 <br />' 006A MW 7 W ND,i 1 108 <br /> 007A MW 8 W ND 1 906 <br /> lie <br /> 1 <br /> Reporting Limit for DF=1, W 50 AglL <br />' ND means not detected at or <br /> above the reporting limit S NA NA <br /> *water and vapor samples are reported inµg/L,soil and sludge samples in mglkg,wipe samples in ug/wipe,and TCLP extracts in pg1L <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 gasohne9,e)TPH pattern that does not appear to be denved 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,i)liquid <br /> sample that contains greater than—2 voi %sediment,a)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 <br /> DHS Certification No 1644 Edward Hamilton, Lab Director <br /> 1 <br />