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r110 Second Avenue South,#D7,Pacheco,CA 94553-5560 <br /> MCCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> 14 1 http I/www mccamebell corn E-mail main@mccampbell corn <br /> ' Advanced GeoEnvironrnental Client Project ID Jordan Real Estate Date Sampled 06/03/98 <br /> 4005 North Wilson Way Date Received 06/04/98 <br /> ' Stockton,CA 95205 Client Contact Bill Little Date Extracted 06/05-06108198 <br /> Client P O Date Analyzed 06105-06/08198 <br /> Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasohne*,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 Ethylben- Xylenes %Recovery <br /> zene Surrogate <br /> 90067 MWI/6-3-98 W ND ND ND ND ND ND 103 <br /> ' 90068 MW2/6-3-98 W ND ND ND ND ND ND 104 <br /> 90069 MW3/6-3-98 W 65,c ND 82 ND ND 061 103 <br /> 1 90070 MW4/6-3-98 W I0,000,a ND<120 270 840 660 1800 104 <br /> 90071 MW5/6-3-98 W ND ND ND ND ND ND 108 <br /> 90072 MW6/6-3-98 W ND ND ND ND ND ND 106 <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 S 1 0 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 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 descnptions of the TPH chromatogram are cursory in nature and McCampbe]I Analytical is not responsible for their <br /> interpretation a) unmodified or weakly modified gasoline is significant, b) heavier gasoline range compounds aresignificant(aged <br /> ' gasoline's),c) lighter gasoline range compounds (the most mobile fraction) are significant, d) gasoline range compounds having broad <br /> chromatographic peaks are significant,biologically altered gasoline9,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,l)no recognizable pattern <br /> DHS Certification No 1644 //I Edward Hamilton,Lab Director <br />