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TABt_E 2
<br /> Concentrations of Selected Constituents in Groundwater
<br /> Former Disco Site --
<br /> Stockton,California
<br /> Concentration u 1L
<br /> ..Monitoring '..'Sample .. ., Ethyl.::?_ ..
<br /> WeB#�'` --.Date„ ,TPH- ' '1.2 DCA, -,. EDB - .Benzene'- Toluene. benzene X leve ,TBA r MTBE D1PE - ETBE TAME Lead
<br /> 1000 - i.750'_
<br /> 750 5.000
<br /> 50
<br /> MW-DIS-i 6/26/91 86,000 - 32,000 38 ODO 2500 15,000 307
<br /> 914191 78,000 26,000 $6,000 50D i8 138
<br /> 6!39182 130,000 29,000 37,ODO 3400 17,001) 250
<br /> 7120193 1,400,000 64,000 110,000 21000 130,000 63.5
<br /> 7120194 220,000 22,000 22,000 3300 20,000 66.6
<br /> 3!3!95 39,000 2,200 8,430 89 10,200 NS
<br /> 6119/95 7,545 540 1,352 230 1,480 NS
<br /> 10/18/95 3,000 65 200 <3 700 NS
<br /> 21131" 22,100 1 90D2,400 340 3 030 NS
<br /> 616!98 41,400 4,680 5,28D 980 6,210 NS
<br /> 6115!96 3.140 934 24 16 62 - NS
<br /> 12120196' 42,000 8,900 7,600 490 3,690 1 NS
<br /> 12!20196 30,600 5,590 3,820 344 1,460 NS
<br /> 4117197 23,700 3,240 814 454 1,810 NA <10 NA NA NA NS
<br /> 5112!97 13,000,a 690 1,700 430 2,300 NA <10 <10 <10 <10 NS
<br /> 12122197 4,290 603 634 ill 538 - NS
<br /> 4116198 1,150 90 .116 25 165 NS
<br /> 4117198 NA <10 c5 <5 <5
<br /> 5121198 30 NA NA NA NA
<br /> 7123/98 1.300 98 150 48 150 <20 <5 <5 <5 <5 NS
<br /> 11111/98 170 5.2 14 6.5 33 <50 c5 c5 <5 <5 NS
<br /> 2111199 84 4.1 12 1.5 11 <50 <5 c5 c5 c5 NS
<br /> 7!18199 6,800 440 450 280 1200 <60 c5 c5 <5 c5 NS
<br /> 1116199 17,000a 150 <5.0 1,600b 1,300a 630a 2,500a <50 <5 <5 <5 <5 NS
<br /> 3!29100 7,500a 74 27 1,400b 920b 200a - 800a 90 <5 <5 c5 <5 NS
<br /> S151C0 71 29 <20 c5 <5 <5 c5
<br /> 6128100 NS 63 i9 NS NS NS NS <25 <25 <50 <25 <25 NS
<br /> 11!15!00 NS NS NS NS NS NS
<br /> 11/16lOD 160 36 <100 <100 <200 <100 <100
<br /> 3122101 35,000 150- c5.0 3,200 3,400 1100 500 NA NA NA c1,000 NA NS
<br /> 10/17/01 11,000 36 5.9 550 430 36D 1,500 NA NA NA NA NA NS
<br /> 2121/02 26000 ND ND 2300 2400 800 3800 ND ND ND ND ND
<br /> 12281)MON 12002EO34 d 18
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