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1 T of 16 <br /> . Groundwater Move nd Analytical Data <br /> ARCO Service Station#2093 <br /> 3425 Tracy Blvd,Tracy,CA <br /> Well Depth Product Groundwater Groundwater Xylenes <br /> Well Date Elevation to Water Thickness Elevation Elevation TPHg Benzene Toluene Ethylbenzene (total) MtBE DO <br /> Number Sampled (ft MSL) (ft,TOC) (ft) (ft,MSL) Change(ft) (ppb) (ppb) (ppb) (ppb) (ppb) (ppb) (mg/L) <br /> ATR 4 3/17/99 NP 1053 - -- -- <50 <0 5 <0 5 <0 5 <0 5 <5 0 6 7 <br /> (cont) 5114199 NP 1097 - - <50 0 591 <0 6 <0 6 <0 6 8,720 2 0 <br /> 9116199 NP 1093 -- -- <50 <0 6 <0 6 <0 6 <0 5 <5 0 68 <br /> 12122199 NP 1089 -- <50 <0 5 <0 6 <0 5 <0 5 857 158 <br /> 2129100 NP 1026 -- -- <50 <0 5 <0 6 <0 5 <0 5 <2 5 3 1 <br /> 6/7100 NP 1106 -- -- <50 <0 5 <0 5 <0 5 <0 5 842 -- <br /> 9125/00 NP 1124 -- -- <50 <0 6 <0 5 <0 5 <0 5 280 070 <br /> 12/29/00 P 1081 - -- <50 0 <0 500 <0 500 <0 500 <0 500 636* 4 5 <br /> 3127/01 P 1064 - -- - <50 0 <0 500 <0 500 <0 500 <0 500 <2 00* 31 <br /> 6120/01 P 1084 — — -- <50 <0 60 <0 50 <0 50 <0 50 <2 0' — <br /> ATR-5 3110/89 4873 - -- -- 6,600 693 <5 0 327 7 <br /> 6/29/89 1052 - 3821 -- 2,200 490 24 280 13 - - <br /> 9/18189 1098 -- 3775 -046 1,000 68 1 1 63 58 - <br /> 12/27/89 1076 3797 022 2,200 94 2 150 <1 - <br /> 4118190 1090 - 3783 -014 1,900 120 26 68 140 - <br /> 10/16/90 - -- -- 1,000 18 47 79 16 <br /> 10/19/90 11 10 3763 <br /> 1/10191 1084 -- 3789 026 350 71 12 16 26 - -- <br /> 4/10/91 1067 3806 017 370 4 6 <0 5 7 <0 5 -- <br /> 7/10/91 1102 - 3771 -035 1,200 9 5 <0 6 18 15 <br /> 9/24/91 1129 3744 -027 <60 <0 5 <0 5 <0 5 <0 5 -- <br /> 1/23192 1078 - 3795 051 180 14 Is 16 <0 5 <br /> 4/20/92 1070 3803 008 -- <br /> 4/21192 -- -- -- 290 16 <0 5 2 <0 5 -- -- <br /> 7/8192 1097 3776 -- 240 <0 5 <0 5 06 <0 5 -- <br /> 1017/92 11 11 -- 3762 -014 <br /> 10/8/92 -- -- -- 160 <0 5 <0 5 <0 5 <0 5 - <br /> 1118/93 994 3879 - -- -- __ .. <br /> 1/19/93 -- -- -- 1,000 25 <0 5 79 13 -- <br /> 4/14/93 1047 -- 3826 <br /> 411 W93 -- -- -- -- 810 is <0 5 83 <br /> 09 - <br /> 8/31/93 11 16 -- 3767 -- BO <0 5 <0 5 <0 6 <0 5 -- <br /> 10/27/93 11 11 3762 005 63 <0 6 <0 6 <0 6 <0 5 <br /> 2/18194 1073 -- 3800 038 160 3 5 1 4 <br /> 5120194 1082 -- 3791 -009 600 <0 3 2 12 17 - <br /> 10/7/94 11 14 -- 3759 -032 660 <0 6 <0 5 <0 5 <0 5 <br /> 12/16/94 1077 -- 3796 037 410 65 <0 5 <0 6 <0 5 -- <br /> 2/28/95 1080 -- 3793 -003 60 <0 5 06 <0 5 <0 5 -- <br /> 4/26/95 1104 -- 3769 -024 83 <0 5 <0 5 <0 5 <0 5 -- - <br /> 7/277/95 1127 3745 -023 68 <0 6 <0 5 <0 5 12 <br /> 10/26/95 (c) 1051 -- -- -- — — — _. <br />