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<br /> 110 2nd Avenue South,#D7,Pacheco,CA 94553-5560
<br /> McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622
<br />' J4 ht{p.Lwww mccamnbell.com E-mail matn@mccampbell corn
<br /> Advanced GeoEnvironmental Client Project ID Larry's Auto Repair Date Sampled 11/22/99
<br /> 4005 North Wilson Way Date Received 11/23/99
<br /> Stockton, CA 95205 Client Contact Kevin McKibben Date Extracted 11/23-11/29/99
<br /> t Client P O Date Analyzed 11/23-11/29/99
<br /> Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline*,with Methyl tert-Butyl Ether*& BTEX*
<br /> EPA methods 5030,modified 8015,and$020 or 602,Caltfomta RWQCB(SF Bay Region)method GCFID(5030)
<br />' Lab ID Client ID Matrix TPH(g)+ MTBE Benzene Toluene Ethylben Xylenes %Recovery
<br /> ze
<br /> - ne Surrogate
<br /> 26112 MW-1/11- W 1300,a ND<30 140 47 36 66 99
<br />' 22-99
<br /> 26113 MW-2/11 W 1900,a NTD<30 430 150 38 110 106
<br /> 22-99
<br /> 26114 MW-3/11 W 890,a ND<20 25 11 41 18 101
<br /> t 22-99
<br /> 26115 MW4/11 W 120,000,a ND<200 26,000 16,000 1900 10,000 100
<br /> 22-99
<br />' 26I16 MW-7/11 W 470,a ND<10 28 20 91 29 99
<br /> 22-99
<br /> 26117 VW-2B/11- W 200,000,21 ND<3000 42,000 31,000 2900 14,000 101
<br /> 22-99
<br /> 26118 VW-3/11 W 150,000,a ND<1000 30,000 16,000 3000 14,000 101
<br /> 22-99
<br /> 26119 VW-4/11 W 120,000,a ND<200 16,000 18,000 3000 15,000 101
<br /> 22-99
<br /> 26120 VW-5B/l I- W 160,000,a ND<50 8500 43,000 3800 20,000 100
<br /> 22-99
<br /> 26121 VW-5C1l I- W II0,000,a ND<400 11,000 19,000 2900 14,000 102
<br />' 22-99
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<br /> Reporting Limit unless I W 50 ug/L 50 05 05 05 05
<br /> otherwise statedND
<br />' means not detected above
<br /> the reporting limit S 1 0 mg/kg 005 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 />'
<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 IvlcCamphell 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) are significant, d) gasoline range compounds having broad
<br /> chromatographic peaks are significant,biologically altered gasoline's,e)TPH pattern that does-iot appear to be derived from gasoline (1),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,t)liquid sample that contains greater than—5 vol %sediment,))no recognizable pattern
<br /> DHS Certification No 1644 t,.-A_Edward Hamilton,Lab Director
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