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I <br /> l i <br /> Page 6 of 19 <br /> ' ISI <br /> Table 1 <br /> Groundwater Elevation and Analytical Data <br /> MARCO Service Station#2093 <br /> If425 Tracy Blvd,Tracy,CA <br /> Well Depth Groundwater Groundwater Product Ethyl- Xylenes <br /> Well Date Bevation to Water Sevation Bevation 11 Thickness TPH9 Benzene Toluene benzene (total) MtBE DO <br /> Number Sampled (ft,MSL) (ft,TOC) (tt,MSL) '' Change(ft) (ft) (ppb) (ppb) (ppb) (ppb) (ppb) (ppb) (mg1L) <br /> ATR-4 1/23(92 1116 3787 JJ 0'41 -- 1,200 300 52 49 72 <br /> (cont) 4120192 11 12 3791 I' 0164 -- -- — __ <br /> 4121192 -- -- I 3 - 560 150 <5 36 29 <br /> 718192 1131 3772 i ii -- 590 150 21 36 39 -- - <br /> 10l1192 1146 3768 -0"14 -- -- -- -- -- -- <br /> 10/8192 — — 11 - 1,200 240 4 8 62 97 -- <br /> 1/18/93 1045 3858 I -- .. -- -- -_ <br /> 1/19/93 — — I, �� 1,200 240 55 44 90 <br /> 4114193 10 87 3816 If- -- -- -- -- -- -- <br /> 4/16/93 — -- ' I�- -- 810 160 42 47 63 - - <br /> 8/31193 (a) 10 98 — I - 100 33 <0 5 6 13 -- <br /> 10/27/93 1098 -- j 0160 200 12 12 7 9 16 -- -- <br /> 2/18/94 1031 -- 067 -- 950 140 5 73 30 - <br /> 5(20/94 1071 - V40 - 8,100 590 5 9 190 220 -- <br /> 10/7/94 - 1100 -0129 -- 1,100 30 1 16 7 3 <br /> 12/16/94 '1061 -- li 0139 -- 1,600 310 2 3 350 200 -- <br /> 2128/95 1068 -- -0107 -- 4,600 180 <5 750 100 -- - <br /> 4126/95 1094 -- -0126 1,100 19 <1 110 8 3 - <br /> 7/27195 11 11 �; -0'117 -- 1,700 12 <2 5 170 8 4 -- <br /> 10/26/95 1118 -- I -0107 - -- -- _ <br /> 10/27/95 — -- j I <br /> II � 600 7 <i 30 2 2 <br /> 2112196 1043 -- i I!- - 6,300 <0 5 <0 5 340 150 -- -- <br /> 4/1 X96 1077 -- -034 -- 770 <1 0 <1 0 41 19 -- - <br /> 7118196 1062 -- 0`25 I 2,600 12 <5 52 <5 560 - <br /> 11/15/96 1151I` ._ <br /> -0 99 440 <0 5 <0 5 O B 2 2 140 <br /> 3/14197 1157 -- -0 X06 -- 156 16 <0 5 <0 5 <0 5 870 007 <br /> 6/4/97 NP 1093 - I' A4 420 8 7 14 12 13 5 4 008 <br /> 8/11197 NP 1055 0 38 - 320 24 1 1 <0 5 157 6 3 -- <br /> 11/17/97 NP 1120 -- -0165- - 420 3,3 14 <0 5 076 4 8 -- <br /> 3130/98 NP 1038 -- 0 82 <50 <0 5 <0 5 <0 5 <0 5 <5 0 1 1 <br /> 6125198 NP 1040 -- I -d'02 -- 658 <0 5 <0 5 <0 5 <0 5 <5 0 1 <br /> 9111/98 NP 1106 -- .01166 ! -- <50 <0 5 <0 5 <0 5 <0 5 <2 5 084 <br /> 12/15/98 NP 107S -- 0 31 I -- <50 <0 5 <0 5 <0 5 , <0 5 <5 0 1 1 <br /> 3(17199 NP 1053 -- �' 0 22 -- <50 <0 5 <0 5 <0 5 <0 5 <5 0 6 7 <br /> 5114/99 NP 1097 -- -0144 -- <50 0 591 <0 5 <0 5 <0 5 8,7200 2 0 <br /> 9/16/99 NP 1093 i 004 -- <50 <0 5 <0 5 <0 5 <0 5 <5 0 6 8 <br /> a <br /> I 'I <br /> Prolectsljo/20931Reports/Tablealgwtables2493 As I <br />