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1 <br /> 110_rid Avenue South,#D7,Pacneca,CA 94�53-5.50 <br /> ti�cCAN, B <br /> OET T ANALYTICAL INC Telephone 925-798-I520 Fix 925-798-1622 <br />' L LL <br /> 24 httn//www mccamohell cath E-mail main(a.-)rncaampne+l carn <br />' — 7 <br /> Advanced Geol;nvlzotsmental Client Project ID NATIONAL FREIGHT Date Sampled 02/15/02 <br /> 837 Shaw Road Date Received 02/20/02 <br /> 1 Stockton, CA 95215 Client Contact Paul Dotson Date Extracted 02/20/02 <br /> Client P 0 j Date Analyzed 02120-02/21102 <br /> ' Gasoline Range(C6-Cl2)Volatile Hydrocarbons as Gasoline*,nth Methyl tert-Butyl Ether* &BTEX* <br /> SPA methods 5030,modified 8015,and 8020 or 602 California RWQCB(SF Bay Region)method GCFID(5030) <br /> ' Lab M Client ID Matnx TPH(g)* MTBE Benzene Toluene Ethyl- <br /> Surro Xylenes � Recovery <br /> eve y <br /> 90852 B1-55 S ND ND ND ND ND ND 103 <br /> ' 90856 81-75 S ND ND ND ND ND ND } 106 <br /> 90860 11W5--15 S ND I ND ND ND ND ND 102 } <br /> ' 90862 'M <br /> W5-55 S NO SID ND ND ND ND I 109 <br /> 90865 vIWS-70 I S I ND ND ND ND ND ND 103 <br /> lie1 <br /> 1 <br /> ' Reporting Limit unless W 50 ug/L 5 0 051 05 03 0 5 <br /> otherwise stated,ND <br /> means not detected above S 1 0 mg/kg 005 0 005 0 005 0 005 0 005 <br /> the reporting limit <br /> *water and vapor samples are reported in ug/L,wipe samples in ug/wrpe,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 McCarapbell Analytical is not resoonsihle for their <br /> interpretation a) unmodified or weakly modified gasoline is significant b) heavier gasoline range compounds are significant(aged <br /> ' gasoline"), c) lighter gasohne 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("),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,i)liquid sample that contains greater than—5 vol %sediment,))no recognizable pattern <br /> DHS Cert>.ficatxon No 1644 Edward Hamilton,Lab Director <br />