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Sent By: McCampbell Analytical; 925 798 4812; Oct-29-99 4:52PM; Page 4/8 <br /> 110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> MCCAWB$LL ANALYTICAL INC. Telephone;925-798-1620 Fax:925-798-1622 <br /> !i :l/www.srtc bell.com &-mail:main�mccatrtpbelE.com <br /> John P.Cummings&Associates Client Project M;#!0399002.00;Jamar Date Sampled:09123/99 <br /> P.4,Sox 2847 SS Date Received:09/24/99 <br /> Fremont,CA 94536-2847 Client Contact:John Cunirrtings Date Extracted:09127-09129199 <br /> Le.LtP.O: _ Date Analyzed:09127.09/29/99 <br /> Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline*,with Methyl tert Butyl Ether*&BTEX* <br /> EPA methods 5030,modified 8013,And 8020 or 602;California RWQCB(SP Bay Region)method 0MC1F711DX( 30) <br /> Lab ID Client ID Matrix TPH(g) MT13E Benzene Toluene Etttylben Xylenes °fie Recovery <br /> -zene Surrogate <br /> 19999 MW-1 W 130,000,a --- 32,000 19,000 1500 7400 110 <br /> 20000 MW-2 W 22,000,a --- 10,000 380 120 1500 103 <br /> 22001 MW-3 W 59,000,a --- 21,000 6800 500 15,000 109 <br /> I <br /> Reporting Limit unless W 50 ttg1L 5.0 0.5 0.5 0.5 0.5 <br /> otherwise stated;ND <br /> Weans not detected above <br /> the reporting limit S 1.0 mg/kg 0.05 0.005 0.005 0.005 0.005 <br /> water and vapor samples are reported in ugtl,wipe samples in uglwipe,soil and sludge samples in ntglkg,and all TCLP and SPLP oxtmots <br /> in uglL <br /> "cluttered chromatogram;sample peak coelutes with surrogate peak <br /> 'The following descriptions of the TPH chromatogram am cursory in nature and McCampbell Analytical is not responsible for their <br /> interpmation; a) unmodified or weakly modifled psoline is significant; b) heavier gasoline range compounds are signiticant(aged <br /> gasoline?),e)lighter gasoline Tanga compounds(the most mobile fraction)are significant;d)gasoline range compounda having broad <br /> chromatographic peaks are significant;biologically altered gasoline?;e)TPH pattern that does not appear to be derived from gasoline(?);f) <br /> one to a few isolated peaks present;g)strongly aged gasoline or diesel range compounds aro significant;h)lighter than water immiscible <br /> sheen is present;i liquid sample that contains greater Than—5 vol.%sediment;i)no reco izable pattern. <br /> DHS Certification No. 1644 1 Edward Hamilton,Lab Director <br />