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<br /> Tables Pag40,00 f 31
<br /> Groundwater Elevation and Analytical Data
<br /> ARCO Service Station#2133
<br /> 2908 Benjamin Holt Dr,Stockton,California
<br /> Well Depth Product Groundwater Groundwater Total
<br /> Date Elevation to Water thickness, Elevation Elevation change TPH-G Benzene Toluene Ethylbenzene Xylenes MtBE DO
<br /> Sampled (feet,MSL) (feet,TOC) in feet (feet,MSL) (feet) (ppb) (ppb) (ppb) (ppb) (ppb) (ppb) mg/I
<br /> E-t0 6127194 1510 -- -1384 019 25,000 3,000 180 1,900 4,100
<br /> (cont) 9129194 1611 -- -1485 -101 27,700 3,200 150 1,780 2,900
<br /> 12/8/94 1571 -- -1445 040 18,000 3,300 110 1,700 3,000
<br /> 3/8/95 1328 -- -1202 243 38,000 2,100 260 1,800 4,000
<br /> 611/95 1449 274 .1323 -121 - -- - -
<br /> 9111/95 1501 131 -1375 -052 - - -
<br /> 12/5/95 14 64 037 -1338 0 37 -- - --
<br /> 3/18/96 9 55 - -829 509 370,000 7,300 2,200 9,900 62,000
<br /> 6/18/96 8 87 - -761 0 68 400,000 390 3,600 2,000 16,000 6,200
<br /> 9/25196 1258 -- -1132 -371 28,000 2,100 3,900 600 5,100 16,000
<br /> 1214196 1205 -- -1079 0 53 55,000 3,600 3,900 1,300 9,800 27,000
<br /> 3119197 P 737 -611 468 1,600 39 4 3 52 48 1 100 01
<br /> 615197 N P 8 97 -- -771 -160 100 2 8 <0 5 <0 5 2 0 61 01
<br /> 8119/97 NP 10 43 - -917 146 750 18 30 3 6 19 1 900 01
<br /> 11/25/97 NP 1161 -1035 -118 10,000 1,000 320 200 1400 46,000
<br /> 3/20/98 P 4 65 -- -339 696 7,300 2,000 68 350 260 32,000 5 5
<br /> 6/24/98 P 666 - -540 -201 15,000 110 130 120 660 19,000 1 0
<br /> 9110/98 NP $32 -- -706 -166 196 6 86 1 18 123 617 1,870 -
<br /> 12/17I98 NP 842 -716 -010 5,020 1,230 51 6 239 313 17 600
<br /> 3110/99 P 6 21 - -495 221 1,620 235 142 71 9 859 3 980 82
<br /> 6122199 NP 877 -- -751 -256 160 707 0 685 <0 5 <0 5 893 3 3
<br /> 9/13199 NP 9 81 -- -856 -104 128 931 <0 50 <0 50 123 299 1 8
<br /> 12/16/99 NP 945 -819 036 10,800 2,290 607 433 515 17,800 1 4
<br /> 3123100 P 4 78 -352 467 1,520 161 <10 0 45 5 21 2 3,310 1 7
<br /> 6121100 P 704 - -5 78 -226 3,770 434 36 7 56 0 286 429 006
<br /> 9113/00 NP 879 - -753 -175 1,130 155 662 106 470 1,030 1 85
<br /> 12/15/00 P 825 -699 054 18,200 1,440 82 4 245 424 10 700 070
<br /> 312101 P 619 sheen -493 206 6,630 1,770 <50 0 131 228 19,600 --
<br /> E-11 8/26/88 342 -- -- -- - - - - -
<br /> 11/28/88 -- -- -- 440 380 110 460 -
<br /> 2/27/89 - -- - - 400 250 120 820
<br /> 5/30189 -- -- -- -- -- 437 162 97 281
<br /> 8/P2/89 -- -- -- 160 36 38 220
<br /> 12/4/89 -- -- -- -- 240 26 38 290
<br /> 1/4190 1839 -- -1497 -- -- - - -
<br /> 2/1/90 1819 -- -1477 020 - -
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