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' 110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> McCA1bIPBELL ANALYTICAL INC Tetephone 925-798-1620 Fax 925-798-1622 <br /> ' httn//www mccamobell corn E-mail main@mccampbell corn <br /> Advanced GeoEnvironmental Client Project ID Local Food Store I Date Sampled 11/26/2001 <br /> 837 Shaw Road Date Received 11/27/2001 <br /> ' Stockton, CA 95215 Client Contact Paul.Dotson Date Extracted 11/27/2001 <br /> Client P O Date Analyzed 11/27/2001 <br /> ' Gasoline Range(C6-M)Voiable Hydrocarbons as Gasohne*,Ynth Methyl tent-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 Matnx TPH(g)+ MTBE Benzene Toluene <br /> EthylXylenes %Recovery <br /> Surrogate <br /> 84256 MW 011-26 benzene W ND 310 ND ND ND ND 109 <br /> ' 84257 MWIA 1-26- W ND 22 ND ND ND ND 102 <br /> 84258 MW/11-26 W ND ND ND ND ND ND 104 <br /> 01 <br /> ' 84259 MW40/11-26 W 1000,a 1 170 91 17 48 150 106 <br /> 1� <br /> ' Reportmg Limit unless W Sfl ug/L 50 05 05 05 05 <br /> otherwise stated,ND <br /> means not detected above !�g <br /> the reporting linut S l O m 005 0 005 0005 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 SDLP 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 /> ' gasoline9), c) lighter gasoline range compounds (the most mobile fraction) are significant, d) gasoline range compounds having broad <br /> chromatographic peaks are significant,biologically altered gasolme?,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,i)liquid sample that contarns greater than--5 vol %sediment,j)no recognizable pattern <br /> ' DHS Certification No 1644 Edward Hamilton,Lab Director <br />