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' I 110 2nd Avenue South #137 Pacheco CA 94553-5560 <br /> McCampbell Analytical Inc I Telephone 925-798-1620 Fax 925-798-1622 <br />' tittp!/www mccamphell cqm E-mail mom mceampbell corn <br /> . Advanced GeoEnvlronmental Client Project ID Curtiss Pontiac Date Sampled 04/23/02 <br />' 837 Shaw Road Date Received 04/24/02 <br /> Chent Contact Brian Millman Date Extracted 04/25/02-04126/02 <br /> Stockton,CA 95215 <br /> _L=entP Date Analyzed 04/25/02-04/26102 <br /> 1 --.- J- <br />' Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline with BTEX and MTBE* <br /> Extraction method SW5030B Analytical methods SW8021B/8015Cm Work Order 0204385 <br />' Lab 1D Client 1D Matnx TPH(g) MTBE Benzene Toluene F-thylberrzene Xylenes DF %SS <br /> 001A M W 1 x/042302 W ND ND ND ND j ND ND 1 103 <br /> 002A M W l h/042302 W i 1700,a NIK50 470 85 ND<5 0 1 82 i ]0 1101 <br /> i ' J <br /> 003A MW2a/042302 W I ND ND ND ND I ND ND I 1 102 <br /> 004A MW2b/0423/02 W I ND I ND i ND ND I ND ND 1 103 <br /> i <br /> 005A MW3l042302 W ND 1 ND ND I ND ND I ND 1 I 101 <br />' 006A MW41042302 W 750,a — ND<15 170 73 12 23 i 1 ! 114 <br /> 007A MW5/042302 W I ND ND ND I ND ND ND 1 104 <br />' 008A MW6/042302 W I ND I ND — ND ND ND ND I 1 103 <br /> 009A MW7/042302 W I ND ND I ND ND i ND ND I 1 110 <br />' 010A DW2450/042302 �W I ND ND ND ND ND4 ND 1 107 <br /> i <br /> i I ' <br /> I I , <br /> I I <br /> i <br /> Reporting Limit for DF=1, W 50 5 05 05 1 05 05 ug/L <br /> ND means not detected at or <br /> above the reporting limitf- -- <br /> S 1 005 0 005 0 005 0 005 1 0 005 1 mg/Kg <br /> I i <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 /> IDF=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 gasoline9),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),t)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 1)no recognizable pattem <br /> DHS Certification No 1644 Edward Harmlton,Lala Director <br /> I <br />