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MCCamAbellAnalVtical. InC. 1534 Will..Pass Road,Pittsburg,CA 94565-1701 <br /> Web:www.mccampbell.com E-mail:main@mccampbell.com <br /> "When Oualiw Counts" Tele hove:677-252-9262 Faz:925-252-9269 <br /> WGR Southwest,Inc. Client Project ID: #704.PRI.05; Date Sampled: 05/16/08 <br /> LEARNER,2711 Navy Dr.,Stockton,Ca <br /> 315 W.Pine Street,Suite 8 Date Received: 05/16/08 <br /> Lodi,CA 95240 Client Contact: Mazda Herbert Date Extracted: 05/16/08-05/22/08 <br /> Client P.O.: Date Analyzed 05/17/08-05/22/08 <br /> Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline* <br /> Extraction method:SW5030B Analytical methods: SW8015Cm Work Order: 0805464 <br /> Lab ID Client ID Matrix TPH(,) DF %SS <br /> 001A B-14-1 S 3.6,g,m 1 73 <br /> 002A B-14-5 S ND 1 87 <br /> 003A B-15-1 S ND I 75 <br /> 004A B-15-5 S ND 1 82 <br /> 005A B-16-1 S ND 1 84 <br /> 006A B-16-5 S ND 1 77 <br /> 007A B-17-1 S ND 1 73 <br /> 008A B-17-5 S ND 1 78 <br /> 009A B-18-1 S ND 1 78 <br /> 110A B-18-5 S ND 1 71 <br /> 011A B-14 W ND 1 91 <br /> 012A B-16 W ND 1 97 <br /> 013A B-17 W ND 1 102 <br /> 014A B-18 W ND I 1 90 <br /> Reporting Limit for DF=1; W 50 pg/L <br /> ND means not detected at or <br /> above the reporting limit S 1.0 mg/Kg <br /> *water and vapor samples and all TCLP&SPLP extracts are reported in pg/L,soil/sludge/solid samples in mg/kg, wipe samples in pg/wipe, <br /> product/oil/non-aqueous liquid samples in mg/L. <br /> #cluttered chromatogram;sample peak coelutes w/surrogate peak;low surrogate recovery due to matrix interference. <br /> +The following descriptions of the TPH chromatogram are cursory in nature and McCampbcll Analytical is not responsible for their <br /> interpretation:a)unmodified or weakly modified gasoline is significant;b)heavier gasoline range compounds are significant(aged gasoline?);c) <br /> lighter gasoline range compounds(the most mobile fraction)are significant;d)gasoline range compounds having broad chromatographic peaks <br /> are significant;biologically altered gasoline?;e)TPH pattern that does not appear to be derived from gasoline(stoddard solvent/mineral <br /> spirit?);f)one to a few isolated non-target peaks present;g)strongly aged gasoline or diesel range compounds are significant;h)lighter than <br /> water immiscible sheen/product is present;i)liquid sample that contains greater than—1 vol.%sediment;j)reporting limit raised due to high <br /> organic/MTBE content;k)TPH pattern that does not appear to be derived from gasoline(aviation gas).m)no recognizable pattern;n) <br /> TPH(g)value derived using a client specified carbon range;o)results are reported on a dry weight basis;p)see attached narrative. <br /> DHS ELAP Certification No 1644 ",°^ Angela Rydelius,Lab Manager <br />