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TABLE 3-3
<br /> HISTORICAL GROUNDWATER ELEVATION AND ANALYTICAL DATA, 1992-1999
<br /> CALTRANS-STOCKTON YARD MAINTENANCE STATION, STOCKTON, CALIFORNIA
<br /> x [depth to Ground. Ethyl- Total
<br /> TOG EleYati4�1, TPIi-9 TI'H-d Berlxep$ Toluene MTEE YQCe
<br /> Well I.D, Date Ground- water Elevatloµ benzene xylenes((t ak�AYe Mg4} water {ft above M81,} 0911.)(Poll-) �N9 -1 �N��L) 0911.) (µ911r) { 911.1 iN9lI-1
<br /> VW-1 4123196 2173 61 12 -3939 16,000 <50 720 1,500 580 1,700 98 NA
<br /> VW-1 7!2!96 2173 5998 -3825 13,000 650 3,500 260 470 1,300 37 NA
<br /> VW-1 10/23/96 2173 6037 -3864 6,200 190 1,900 271 220 370 31 NA
<br /> VW-1 5128197 2173 5537 -3364 7,100 <500 1,400 21 140 180 7 4(<5) NA
<br /> VW-1 10/21197 2173 5748 -3575 2,700 1 <500 840 12 32 140 8 2(<5) NA
<br /> VW-1dup 10/21/97 NA NA NA NA NA NA NA NA NA <5 NA
<br /> VW-1 12129/97 2173 5694 -3521 1,700 440 450 11 21 120 <5 1,111
<br /> VW-1 3116198 2173 5347 -31 74 1 500 640 280
<br /> <0 5 31 92 <5 740
<br /> VW-1 6126198 2173 4966 -2793 <500 <5000 19 37 59 41 (<5) 1 864
<br /> VW-1 9128/98 2173 5155 -2982 500 <5000 43 23 31 50 18 (<5) NO
<br /> VW-1 1212198 2173 4978 -2805 <500 <400 30 <1 0 30 04 10(<1 0) 09
<br /> VW-1 411199 2198 4627 -2429 <100 <100 24 <0 2 <0 1 <0 1 <0 6 NA
<br /> VW-1 6125199 2198 4656 -21458 550
<br /> <100 8 <0 2 <02 <04 <0 6 NA
<br /> VW-1 9122199 2198 49 38 -2740 420 <100 1 __<03 <0 2 <0 2 <04 <0 6 NA
<br /> VW-2 216196 2190 6317 -4127 16,000 <50 3,000 3,100 260 2,000 <50 NA
<br /> VW-2 4111196 21 90 6163 -3973 NA NA NA NA NA NA NA NA
<br /> VW-2 4123196 2190 6137 -3947 54,000 <50 8,100 5,600 290 6,500 60 NA
<br /> VW-2 712196 2190 6019 -3829 20,000 1,400 3,000 1,700 200 1,700 53 NA
<br /> VW-2 10/23/96 2190 6055 -3865 17,000 570 4,200 1,300 89 430 43** NA
<br /> VW-2 5129197 2190 5557 -3367 15,000 <500 2,300 1,600 380 2,200 29 NA
<br /> VW-2 10/17/97 2190 5719 -3529 11,000 <500 1,800 580 170 870 22 NA
<br /> VW-2 12/29/97 2190 5699 -3509 10,000 570 1,300 1,400 230 1,200 <5 7080
<br /> VW-2 3116198 2190 5370 -3180 7,400 1000 1,100 860 180 1,100 <5 4,636
<br /> VW-2 6126198 2190 4987 -27 97 9,000 <5000 1,400 670 330 2,100 (<5) 7,508
<br /> VW-2 9128!98 2190 5175 -2985 8,400 <5000 1,800 530 400 1,900 75(37 4) 11
<br /> VW-2 1212!98 2190 4989 -2799 7,800 2,900 1,100 360 290 1100 38(54) 4,024
<br /> VW-2 3131199 2218 1 4651 -2433 2,100 320 1,500 460 750 1950 83 4 024
<br /> VW-2 6128!99 2218 4674 -24 56 5,700 <100 865 57 <0 2 3020 76 4,024
<br /> Page 8 of 9 S\PROJ\41040100041SYYARDhistoncgw\Summary
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