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<br /> 110 2nd Avenue South,9D7,Pacheco,CA 94553-5560
<br /> McCAMPBELL .ANALYTICAL INC Telephone 925-7984620 Fax 925-798-1622
<br /> J4 htttt//www mccampbell corn E-mail main@mccampbell com
<br /> Advanced GeoEnvironmental Client Project ID Chase Van Buren Date Sampled 05/30/01
<br /> 837 Shaw Road Date Received 05/31/01
<br /> Stockton, CA 95215 Client Contact Paul Dotson Date Extracted 06/01/01
<br /> Client P O Date Analyzed 06/01/01
<br /> Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline*,with Methyl tent-Butyl Ether* & BTEX*
<br /> EPA methods 5030 modified 8015 and 8020 or 602 California RWQCB SF Ba Re ion method GCFI17 5030
<br />' Lab ID Client 1D Matrix TPH(g)+ MTBE Benzene Toluene Ethyl Xylenes %Recovery
<br /> benzene Surrogate
<br /> 1
<br /> 68653 EW-3108 30 W 170,000,a --- 6200 35,000 3800 32,000 98
<br />' 68654 EW-3/0915 W 160,000,a 6100 33,000 3400 31,000 99
<br /> 68655 EW-311015 W 160,000,a --- 6400 34,000 3300 31,000 105
<br /> 68656 EW-3110 25 W 170,000,a --- 6500 36,000 360033,000 106
<br /> 68657 EW-311145 W 160,000,a --- 6000 33,000 3200 30,000 98
<br />' 68658 EW-3112 25 W 160,000,a --- 6300 34,000 3200 30,000 104
<br />'0 68659 EW-3/12 45 W 170,000,a --- 6400 36,000 3400 31,000 97
<br /> 68660 EW-3114 45 W 170,000,a --- 6200 35,000 3300 31,000 92
<br />' 68661 EW-3116 00 W 170,000,a --- 6800 38,000 3600 32,000 98
<br /> 1
<br /> 1 Reporting Limit unless W 50 ug/L 50 0 5 05 05 05
<br /> otherwise stated,ND
<br /> t means not detected above s 1 0 mg/kg 0 05 0 005 0 005 0 005 0 005
<br /> the reporting limit
<br /> *water and vapor samples are reported in ug/L,wipe samples in ug/wipe,soil and sludge samples in mglkg,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 />' gasoltne9), 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 from 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 li wd sam le that contains ater than—5 vol %sediment, no recognizable pattern
<br /> 1
<br /> DHS Certification No 1644 Edward Hamilton, Lab Director
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