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McCampbell Analytical, Inc. 1534 Willow Pass Road,Pittsburg,CA 94565-1701 <br /> Web:www.m=mpbcll.com E-mail:main@mccampbell.com <br /> "When Oualty Counts" Telephone:877-252-9262 Fax:925-252-9269 <br /> WGR Southwest,Inc. Client Project ID: #704.PRI.05; Date Sampled: 05/14/08 <br /> LEARNER <br /> 315 W.Pine Street,Suite'8 Date Received: 05/14/08 <br /> Client Contact: Marda Herbert Date Extracted: 05/14/08 <br /> Lodi,CA 95240 <br /> Client P.O.: Date Analyzed 05/15/08-05/17/08 <br /> Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline <br /> Extractionmethod SW5030B Analym.1methods SW8015Cn Work Order: 0805377 <br /> Lab ID Client ID Matrix TPH(g) DF %SS <br /> 001A B-1-1 S 2.6,g,m 1 77 <br /> 002A B-1-5 S ND 1 90 <br /> 003A B-2-1 S ND 1 76 <br /> 004A B-2-5 S ND 1 80 <br /> 006A B-3-1 S 4.0,g,m 1 77 <br /> 007A B-3-5 S ND 1 81 <br /> 009A B-4-1 S 2.6,g,m 1 74 <br /> 010A B-4-5 S ND 1 77 <br /> 011A B-5-1 S ND 1 92 <br /> 012A B-5-5 S ND 1 83 <br /> • 014A B-6-1 S 4.4,g,m 1 71 <br /> 015A B-6-5 S ND 1 78 <br /> 017A B-7-1 S ND 1 81 <br /> 018A B-7-5 S ND 1 78 <br /> Reporting Limit for DF=1; W NA NA <br /> ND means not detected a1 or <br /> above the reporting limit S 1.0 mg/Kg <br /> *water and vapor samples and all TCLP&SPLP extracts are reported in gg/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 coelmes w/surrogate peak;low surrogate recovery due to matrix interference. <br /> +The following descriptions of the TPH chromatogram are cursory in nature and McCampbell 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(s(oddard 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; )see attached narrative. <br /> DHS ELAP Certification N° 1644 'k— Angela Rydelius,Lab Manager <br />