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1 <br /> I t0-',no.Avenue South, ID7,Pacieco, CA 9455---55tr0 <br /> McCANOBELL ANALYTICAL R1 C Telephone 9,5-798-1162} Fax 925-798-1622 <br />' --p '/www mccamubetl coni E-mail main0mccami3bell corn <br /> • <br /> Date Sampled 02/14/02 <br /> Advanced GroEnvirotimental Client Project ID National freight <br /> Date Received 02/24/02 <br /> 837 Shaw Road <br />' Stockton, CA 95215 Client Contact Paul Dotson Date Extracted 02/20/02 <br /> [L=t <br /> P O Date Analyzed 02/20/02 <br />' Gasoline Range(C&C12)Volatile Hydrocarbons as Gasoline*,with Methyl tert-Butyl Ether*&13TEX* <br /> EP 4 methods 5030,modified 8015,and 8020 or 602,California RWQCB(SF Bay Region)method GCFTD(5030) <br /> Lab ID Client M Matrix TPH(g)T MTBE Benzene Toluene Ethyl- Xylenes %Recovery <br /> benzene Surrogate <br /> 90830 MW4-50 S ND ND ND ND ND ND 109 <br /> 90832 MW4-60 S ND ISTD ND ND ND ND 105 <br /> 90834 MW - 0 S ND n ND ND ND IND I 103 <br /> 90843 BI-45 S ND ND ND ND ND 7-24D lU3 <br /> { <br /> 1 • <br />' Reporting Limit unless W 50 ug/L 5 0 0 5 05 05 05 <br /> otherwise stated NO <br /> means not detected above <br /> the reporting limo mgAg S ] O UOS 0.005 0 405 0005 0 005 <br />' *water and vapor samples are reported in ug/L,wipe samples in ug/wtpe,soil and sludge samples in mg/kg,and all TCLP and SPL?extracts <br /> in ug/L <br />' x 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 /> gasohne9), (;) lighter gasoline range compounds (the most mobile fraction) are significant, d) gasoline range compounds having broad <br /> chromatographic peaks are significant biologically altered gasoline's,e)TPH pattern that does not appear to be denved from gasoline(9),f) <br /> one to a few isolated peaks present g) strongly aged aasolme or diesel range compounds are significant,h)lighter than water inin: scible <br /> sheen is present,i)liquid sample that contains greate-than—5 vol °%sediment,l)no cognizable pattern <br />' DHS Certification No 1644 Edward Hamilton,Lab Director <br />