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I110 2nd Avenue South,##D7,Pacheco,CA 9455 3-55 60 <br /> McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> h1W//www mccampbell com E-mail main@mccampbell com <br /> i <br /> i <br /> ' Advanced GeoEnvironmental Client Project ID Local Food Store Date Sampled 02/28/01 <br /> 837 Shaw Road Date Received 03/01/01 <br /> ' Stockton, CA 95215 Client Contact Bili Little Date Extracted 03/01-03/05/01 <br /> Client P O Date Analyzed 03/01-03/05/01 <br /> I ' Gasoline Range(C 6-C 12)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 I _L TolueneEthyl- Xylenes %Recovery <br /> benzene Surrogate <br /> 61068 MW10/1-28- W ND31 38 ND ND ND ND 105 <br /> 61069 MWoi 28 W ND 520 ND ND ND ND 102 <br /> 61070 MW3/-28- W ND,i ND ND ND ND ND 107 <br /> 01 <br /> ' 61071 MW4/-28 W 4800,a 3000 710 250 150 420 105 <br /> 011 <br /> 1 <br /> ' Reporting Limit unless W 50 ug/L 50 0 5 0 5 0 5 0 5 <br /> otherwise stated,ND <br /> means not detected above' <br /> the reporting limit S 10 mg/kg 0 05 0 005 0 005 0 005 0 005 <br /> *water and vapor samples are reported in ug/L,wipe samples in ughvipe,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 /> 16 '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 issignificant, b) heavier gasoline range compounds are signifcant(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 gasolme9 e)TPH pattern that does not appear to be derived ftom gasoline(9),0 <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 />