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110 2nd Avenue South #D7 Pacheco CA 94553-5560 <br /> 4 1 McCampbell Analytical Inc Telephone 925 798 1620 Faa 925-798 1622 <br /> http/lwvm mccampbell coin E-matt mail corn <br /> The Denali Group Client Project ID ##5713, Cal Cesar Date Sampled 09/12/02 <br /> Projects <br /> 2255 Morello Ave , Ste 170 Date Received 09/12/02 <br /> Client Contact Dave Blunt Date Extracted 09114102-09119102 <br /> Pleasant Hill, CA 94523 <br /> Ghent P O Date Analyzed 09114102-09119102 <br /> Gasoline Range(C&C12)Volatile Hydrocarbons as Gasoline with BTEX and MTBE* <br /> Extraction method SW5030B Analytical methods SW8021Bi8015Cm Work Order 0209197 <br /> Lab ID Client ID Matrix TPH(g) MTBE Benzene Toluene Ethylbenzene Xylenes DF %95 <br /> F <br /> 003B B1-3 S --- -- I ND<O 02 ND<0 02 ND<0 02 0 058 { 5 112 <br /> 004A BI-4 S --- --- I ND ND ND ND 1 109 <br /> 007A 132-3 5 --- NLKO 2 099 031 ND<O 2 � 50 ---# <br /> OIOA B3-3 S --- --- 1 5 ND<O 2 4 1 2 3 50 -# <br /> 013A 134-3 S -- --- <br /> ND<O 2 ND<0 2 045 ND<O 2 50 118 <br /> 014A BA-W W --- --- ND<5 0 ND<5 0 34 7 1 10 ill <br /> 015A TRIP BLANK W --- --- ND ND ND ND 1 992 <br /> Reporting Limit for DF=1 W 50 50 05 05 0 5 05 1 µg/L <br /> ND means not detected at or <br /> abo%a the reporting limit S 1 0 005 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 uglL <br /> #cluttered chromatogram sample peak coelutes with surrogate peak <br /> +The following descriptions of the TPH chromatogram are cursory to 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 gasolme9),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 gasolme9 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,l)reporting limit raised due to high MTBF_content,k)TPH pattem that does not appear to be derived from <br /> gasoline(aviation gas) m)no recognizable pattern <br /> DHS Certification No 1644 __Edward Hanulton, Lab Director <br />