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� t <br /> 110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> MCCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> http//www mccampbell coin E-mail main@mccampbell com <br /> Advanced GeoEnvironmental Client Project ID National Freight Date Sampled 03/15/01 <br /> 837 Shaw Road Date Received 03/16/01 <br /> ' Stockton,CA 95215 Client Contact Paul Dotson Date Extracted 03/20-03/22/01 <br /> Client P O Date Analyzed 03/20-03/22/01 <br /> ' Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasohne*,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 1D Client iD Matrix TPH(g)+ MTBE Benzene Toluene Ethyl- Xylenes % <br /> benzene Surrogate <br /> 62941 MW10/03-15- W 910,9,h ND ND ND 13 13 103 <br /> ' 62942 MW2//03-15- W ND ND ND ND ND ND 99 <br /> 01 <br /> 62943 MW3//03-15- W ND ND ND ND ND ND 98 <br /> 011 <br /> ' Reporting Limit unless W 50 ug/L 5 0 0 5 0 5 0 5 05 <br /> otherwise stated,ND <br /> means not detected above <br /> the reporting limit S 1 0 mg/kg 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 /> ' A 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 /> ' gasolme91, c) hghter gasoline range compounds (the most mobile fraction) are significant, d) gasoline range compounds having broad <br /> chromatographic peaks arc significant,biologically altered gasolinO,e)TPH pattern that does not appear to be derived from gasoline(7),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,j)no recognizable pattern <br /> DHS Certification No 1644 Edward Hamilton, Lab Director <br /> I <br /> i <br /> I <br />