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TABLE2
<br /> Concentrations of Selected Constituents in Groundwater
<br /> Former Disco Site
<br /> Stockton,California
<br /> Monitoring. Sample Ethyl once
<br /> . .. ntration u fl-
<br /> Well# Date TPH� 1.2 DCA -EDB :Benzene- 'Toluene benzwe .X lane TBA - --MTBE ``--DIPE ETRE` TAME` Lead
<br /> NP-1-70' 3112/95 96,900 - 14,600 26,900 220 14,600 NS
<br /> 7128195 116,900 13,400 23,400 90 18,300 NS
<br /> 8115M 125,130 10,660 23,925 2,199 16,430 NS
<br /> 4117197 203,000 14,300 36,000 1,670 29,300 NA 211" NA NA NA NS
<br /> 6112197 <20 <5 <5 <5 <5
<br /> 12/22/97 145,000a 12000b 32,600b 3,930a 23,800a NS
<br /> 12/2'3!97 82 <5 <5 �5 <5
<br /> 4116198 171,000 11,400 1 31,500 4,050 23,700 NS
<br /> 4117198 NA <20 <10 <10 <10
<br /> 5121198 <20 NA NA NA NA
<br /> 817198 281,000 7,34D 26,900 4,340 29 300 <20 <20 <5 <5 <5 NS
<br /> 11/11/96 72,000a 0,000b 21,000b 3,300b 20,000b <200 <20 <20 <20 <20 NS
<br /> 2!11199 160,000a - 7,200b 20,000b 3400a 19,000b <50 <5 <5 <5 <5 NS
<br /> 7116!99 120,00D 12,000 25,000 4,000 28.000 <50 1 <5 <5 <5 <5 NS
<br /> 1118!99 150,000 X5.0 210 10 D00 18,000 4,200 28,000 c50 <5 <5 <5 <5 NS
<br /> 3!29!00 65,000a 7.100b 22.000b 1,400a 7,2DOa <20 <5 M <5 <5 <5 NS
<br /> 575100 180 170 <20 <5 <5 <5 <5
<br /> 6128100 NS 210 150 NS NS NS NS <25 <25 <50 <25 <25 NS
<br /> 11116/00 77 000 160 89 4,800 20,000 2,400 18,000 <50 <50 <100 <50 <50 NS
<br /> 382101 150 DOOa 210 <5.0 7,20Db 29,000b 4100b 23,000b NA NA NA NA NA NS
<br /> 10117/07 110,000a 1 220 90 4,600a 22,OODb 3,200a 19,000a NA NA NA NA NA NS
<br /> 2121102 100,000 1,000 6o 5600 26,000 8,000 25000 ND ND I ND ND ND
<br /> 12280.MON 12002E034 Page 15 of M18
<br /> 0upydght 2002,Kleinfelder,Me.
<br /> May 10,2002
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