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110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> MCCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br />' hM//www mccampbell corn E-mail main@mccampbell corn <br />' Advanced GeoEnvironmental Client Project ID Curbs Pontiac Date Sampled 01/30/01 <br /> 837 Shaw Road Date Received 01/31/01 <br />' Stockton, CA 95215 Client Contact Brian Millman Date Extracted 01/31-02/06/01 <br /> Client P O Date Analyzed 01/31-02/06/01 <br />' Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline*,with Methyl tert-Butyl Ether* & BTEX* <br /> EPA methods 5030,modified 8415,and 8020 or 602,California RWQCB(SF Bay Region)method GCFID(5030) <br /> L�ID Client ID Matrix TPH(g)+ MTBE Benzene Toluene Ethyl Xylenes %Recovery <br /> 1 / <br />' benzene Surrogate <br /> 59146 01-30-0- 1 W ND ND 1 2 0 56 0 85 2 4 103 <br /> 030-O <br /> 59147 MWAB/ W 1800,a ND<35 710 39 48 16 105 <br /> 01-30-01 <br /> 59148 MW01-30-01 W ND ND ND ND ND ND 106 <br />' MW-213/59149 01-30-01 W ND ND ND ND ND ND 102 <br /> 59150 MW-3/01-30-01 W ND ND ND ND ND ND 99 <br />' 59151 MW4/ W 980,a ND<10 330 5 8 24 10 107 <br /> 01-30-01 <br /> 59152 MW-5/ W ND ND ND ND ND ND 108 <br /> . 01-30-01 <br />' 59153 MW-6/ W ND ND ND ND ND ND 107 <br /> 01-30-0l <br /> 59154 MW-7/ W 150,a ND 26 4 6 3 5 9 0 105 <br />' <br /> 01-30-01 <br /> 59155 MW-GLMW/3/01-30-01 W ND ND ND ND ND ND 107 <br /> Reporting Limit unless W 50 u91L 5 0 0 5 0 5 05 0 5 <br /> otherwise stated,ND means <br /> not detected above the <br /> I eporting 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 to mg/kg,and all TCLP and SPLP extracts <br /> in ug/L <br /> "cluttered chromatogram,sample peak coelutes with surrogate peak <br /> 'The foilowing 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) aic significant d) gasoline range compounds having broad <br /> chromatographic peaks are significant,btologtcally altered gasohne',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 vo] %sediment,t)no recognizable pattern <br /> P� <br /> DHS Certification No 1644 _ �+�Lti Edward Hamilton, Lab Director <br />