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110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> McCAWBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> h //www a ell c m E-mail main@mccampbell com <br /> s <br /> Ilpgradient Environmental CIient Project ID #99024 3, Gillies Date Sampled 10/06/99 <br /> 336 Augusta Court Trucking Date Received 10/07/99 <br /> Valley Springs,CA 95252 Client Contact Vic Cherven Date Extracted 10108-10/10/99 <br /> Client P Q Date Analyzed 10/08-10/10/99 <br /> Gasoline Range(C6-02)Volatile Hydrocarbons as Gasoline*,with Methyl tert-Butyl Ether* &BTEX* <br /> EPA methods 5030,modified 8015,and 8020 or 602,California RWQCB(SF Bay Region)method GCFID(5030) <br /> Lab ID Client ID Matrix TPH(g)+ MTBE Benzene Toluene Ethylben- Xylenes %Recovery <br /> zene Surrogate <br /> 23005 GT-5 W ND ND ND ND ND ND 103 <br /> 23006 GT-10 W 1500,b,c 10 15 ND 10 92 96 <br /> 23007 G-I-A W ND ND ND ND ND ND 103 <br /> 23008 G-1-B W ND ND ND ND ND ND 98 <br /> Reporting Limit unless W 50 ug/L 50 05 05 05 05 <br /> otherwise stated,ND <br /> means not detected above �S <br /> the reporting limit S 1 0 m 005 0 005 0 005 0 005 0 005 <br /> *water and vapor samples are reported in ug/L,wipe samples in ug/wipe,soil and sludge samples in mg/kg,and all TCLP and SPLP extracts <br /> in ug/L <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 <br /> interpretation a) unmodified or weakly modified gasoline is significant, b) heavier gasoline range compounds are significant(aged <br /> gasoline?), c) lighter gasoline range compounds (the most mobile fraction) are significant, d) gasoline range compounds having broad <br /> chromatographic peaks are significant,biologically altered gasoline?,e)TPH pattern that does not appear to be derived from gasoline(9),f) <br /> one to a few isolated peaks present,g)strongly aged gasoline or diesel range compounds are significant, h)lighter than water immiscible <br /> sheen is present,t)liquid sample that contains greater than—5 vol %sediment,j)no recognizable pattern <br /> DHS Certification No 1644 Edward Hamilton,Lab Director <br />