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<br /> TABLE
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<br /> Analytical Results.of Ground Water Samples.- Site investigation
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<br /> ri aliforliia.
<br /> 4 Pacific Avenue Stockton, C � . .
<br /> I • CALIFORNIA.FUELS CAItDLOCK STATION_ 2 02 ,
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<br /> Ethyl :. .R -..ter;:-.: .;.:sem:,.. *�, r.•, £ i.
<br /> e,Well q.Satnple� a MTBE 4 m MTBE m a TBE ;:TAME TBA : EDB 12 DCA
<br /> mkPH g 020 82
<br /> Date ;i;TPH.d ; Benzene Toluene x ,Xylene,
<br /> i
<br /> 10-16-9.718000 2;100 3;400 2,600 '400- -1,700 ND<50 G.3 3.6 ND<2, . ND<2; 23
<br /> 01-09-98 " 1,800 6102, 320' 280 36 : 230 ND<50 ND<5 ND<1 ND<1 - ND<1 ND<5
<br /> 04-08-98 ND<50 ND<50 0.57, .i ND<0.5 ND<0.5 ND<0.5 2.6 ND<5 " ND<1 ND<l ND<l ND<5.
<br /> R. 07-17-98 . 3,300 700.2 720 1' 320 66 240 ND<10- ND<35 ND<35 ND<35 ND<35„ :ND<1.75
<br /> ,• 10-22-98 2,060 170 2 470-. :_. 180 93 300 ND<10. 1.5 ND<1' ND<1 ND<1. 'I ND<5 ND<1° 6.3 '
<br /> ' 01-25-99 . 51,000 2,900 2 7,$00 7,600 1,200 4,800" ND<100 "ND<25 ND<25 ND<25 . ND<25; (ND<130
<br /> 04-28-99, : 2,000 670 Z 380 250 58 250 NDS ND<10` ND<10 ,ND<10.' ND<10 ND<50:
<br /> 10-]9-99 49,000• 1,600 2 , 5,1.00 8;100 - '1,600 7,360 ND<160 ND<8.5, ND<g.5, ND<&5 ND<8.5
<br /> AW-28 09-29=00 t 81,000 - 5200 16,000 2,700 ,' 13,000 ND<200 ND<60, ND<60 ND<60' ND<60 ` ND<M6. 'IND ND<60
<br /> 12-21-00. 21,000 y . .2,100 3,400 660;' .3,000 -. ND<10.. ND<10 ND<10. ND<10{. ND<50
<br /> 03-21-01 18,000 - 2,200 2,900 " •: 440:- 2,000 ND<10 ND�50 ND<50 ND<56 ND<50. ND<250 t '
<br /> 06.-21:01 55,000 - 3,600 'A.500 - 1.,900 9,400' . ND<250 ND<25 -ND<25 ND<25 ' 'ND<25 ND<1000- ND<25 'ND<25
<br /> 09-19-01 32,000 2100 :.2 700. „ 1,200 '6,000 ND<50 ND<10 .. 'ND<10 ND<10 ND<10 a ND<50 - -
<br /> `'; 12-19 61 71,000 6;200 . 14,000 2;100 9,900 ND<25 ND<25 ND-2 ND<25 ND<'25 ND<1000- ND<25 N0<25
<br /> 03-08-02 41,000 - 4,000 5,800 1,200'', 6,70JO ND<250 ND<10 ' ND<.10 ND<10 . ND<10': ND<400Ob-20;02 : 57,000 6;500 1 11,000 1800 8,50ND<250 ND<25 ND<25ND<25, ND-525 'ND.51000 ND<25 "ND<25'09-20-0283,000' 5,500 '17,000 4,200 '19 0ND<1000 ND-5' . ND<5 ND<5" NDS ND<50' ND<5 30
<br /> Notes. /d:micro ams. er liter or arts er,billion;TP1-1- total etroleum-h drocarlions uantified as asoline;TPH,-d:'total etroleum h dm6arbons 'uantiffed'as diesel ,
<br /> 1 ,I, pg P P . P g P Y 9, g, P Y Q }
<br /> 'MTBE:methyl tertiary butyl ether; - not analyzed;ND:not detected;<:indicates constituents were not detected at a concentration greater than the reporting limit shown;Z the
<br /> l ,laboratory-indicated sample as having a non-diesel pattern,
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<br /> 'Advanced GeoEnvironmeiital,Inc.
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