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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 /> ' hq//www mccampbell com E-mail main@mccampbell com <br /> • <br /> ' Advanced GeoEnvironmental Client Project ID Chapin Bros Date Sampled 09/08/01 <br /> 837 Shaw Road Date Received 09/11/01 <br /> ' Stockton, CA 95215 CIient Contact Bill Little Date Extracted 09/11-09/12/01 <br /> Client P O Date Analyzed 09/11-09/12/01 <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 GUID(5030) <br /> Lab ID Client ID Matrix TPH(g)+ MTBE Benzene Toluene Ethyl- Xylenes %Recovery <br /> benzene Surrogate <br /> 77613 MWI/ W 4000,a ND<100 1200 23 150 100 106 <br /> 090801 <br /> 77614 MW2/ W ND ND ND ND ND ND 107 <br /> ' 090801 <br /> 77615 MW3/ W 4300,a ND 55 25 250 97 99 <br /> 090801 <br /> ' 77616 MW4/ W 26,000,a ND<200 5600 190 910 1600 105 <br /> 090801 <br /> 77617 MW5/ W 290,bd ND ND ND 051 062 95 <br /> 090801 <br /> ' 77618 MW6/ W ND ND ND ND ND ND 106 <br /> 090801 <br /> 77619 MW7/ W ND,i ND ND ND ND ND 108 <br /> ' • 490801 <br /> 1 <br /> Reporting Limit unless W 50 ug/L 50 05 05 05 05 <br /> ' otherwise stated,ND <br /> means not detected above <br /> the reporting limit 5 10 mg/kg 005 0 005 0 005 0 005 0 005 <br /> ' water and vapor samples are reported to 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 /> ' *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 /> chromatograpbic peaks are significant,biologically altered gasoline,e)TPH pattern that does not appear to be denved 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)liquid sample that contains greater than—5 vol %sediment,I)no recognizable pattern <br /> ' DHS Certification No 1644 Edward Hamilton,Lab Director <br />