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I 10 2nd Avenue South,##D7,Pacheco,CA 94553-5560 <br /> ' McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> ham//www mccampbell corn E-mail main@mccampbell com <br /> Advanced GeoEnvironmentaI Client Project ID Emie's General Date Sampled 09/04-09/05/01 <br /> J Store <br />' 837 Shaw Road Date Received 09/11/01 <br /> Stockton, CA 95215 Client Contact Brian Millman Date Extracted 09/11-09/14/01 <br /> Client P O Date Analyzed 09/11-09/14/01 <br /> Gasoline Range(C6-C22)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 1D Client ID Matrix TPH(g)+ MTBE Benzene Toluene Ethyl- Xylenes %Recovery <br /> benzene Surrogate <br /> 77639 BS-15 S ND ND ND ND ND ND 106 <br />' 77640 BS-25 5 ND ND ND ND ND ND 106 <br />' 77641 B2-H'0 W 8300,b,1,i 29 85 150 120 1300 99 <br /> 77642 B3-H,0 W 350,a,i ND<15 2 6 31 10 71 96 <br /> 1 <br />' Reporting Limit unless <br /> Otherwise stated,ND W 50 ug/L S 0 O S O S 0 5 O S <br /> means 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 ug/I,wipe samples In ug/wipe,soil and sludge samples in mg/kg,and all TCLP and SPLP extracts <br /> in ug"' <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('?),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)ligmd sample that contains greater than 5 vol %sediment,j)no recognizable pattern <br /> DHS Certification No 1644 Edward Hamilton,Lab Director <br /> I <br />