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1 110 2nd Avenue South,#ED7,Pacheco,CA 94553-5560 <br /> 4 MCCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> i ' http//www_mccampbell corn E-mail main@mccampbell corn <br /> • <br /> Advanced GeoEnvironmental Client Project ID Local Food Store Date Sampled 08/27/01 <br /> 837 Shaw Road Date Received 08/28/01 <br /> Stockton,CA 95215 Client Contact BiH Little Date Extracted 08/28-08/29/01 <br /> Client P O Date Analyzed 08/28-08/29/01 <br /> ' Gasoline Range(C6-02)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 ID Client ID Matrix TPH(g)+ MTBE Benzene Toluene Lt1'yl Xylenes %Recovery <br /> benzene Surrogate <br /> 76170 M W 1/ W ND 44 ND ND ND ND 103 <br /> 08-27-01 <br /> I ' 76171 08 W O1 W ND 560 077 ND ND ND 107 <br /> 76172 MW3/ W ND ND ND ND ND ND 104 <br /> 08-27-01 <br /> 76173 MW4/ W 2500,a 550 400 82 120 500 105 <br /> 08-27-01 <br /> Reporting Limit unless W 50 ug/L 5 0 0 5 0 5 0 5 0 5 <br /> otherwise stated,ND <br /> means not detected above' <br /> the reporting limit S 10 m&g 0 OS 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 <br /> (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 /> 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(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 contains greater than—5 vol %sediment,))no recognizable pattern <br /> ' DHS Certification No 1644 Edward Hamilton Lab Director <br />