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�I <br /> I <br /> Page 16 of 19 <br /> 1 Table 1 <br /> Groundwater Elevation and Analytical Data <br />� I <br /> ARCO Service Station#2093 <br /> 3425 Tracy Blvd,Tracy,CA <br /> I <br /> Well Depth Groundwater IGroundwater Product Ethyl- Xylenes <br /> Well Date Elevation to Water ©evation i, Bevation 11 Thickness TPHg Benzene Toluene benzene (total) MtBE DO <br /> Number Sampled (ft,MSL) (ft,TOC) (ft,MSL) i Change(ft) (ft) (ppb) (ppb) (ppb) (ppb) (ppb) (ppb) (mg/L) <br /> ATR-11 4/14/93 847 3837 -0 67 I <50 <0 5 <0 5 <0 5 <0 5 -- -- <br /> (cont.) 8131/93 938 3746 -0 91 -- '<50 <0 5 <05 <0 5 <0 5 -- -- <br /> 10/27/93 9 31 37 53 0'07 <50 <0 5 <0 5 <0 5 <0 5 -- <br /> 2/18/94 883 3801 �' 0148 <10 0 8 1 <0 3 0 6 - - <br /> 5/20/94 893 37 91 -0�10 <10 <0 3 <0 3 <0 3 <0 5 -- -- <br /> 10/7/94 9 34 3750 -0141 -- <50 <0 5 <0 5 <0 5� <0 5 <br /> 12/16/94 891 3793 0143 - <60 <0 5 <0 5 <0 5 <0 5 -- - <br /> 2/28195 885 3799 0106 <60 <0 5 <0 5 <0 5 <0 5 -- - <br /> 4/25/95 9 11 3773 426 -- <50 <0 5 _ <0 5 <0 S' <0 5 -- -- <br /> 7127/95 943 3741 -0E 32 -- -- - - <br /> 10/26/95 969 3725 1 -0 16 - -- - -- -- -- -- <br /> 2/12196 842 3842 11117 <50 <0 5 <0 5 <0 5 <0 5 -- - <br /> 4118/96 903 3781 !} -0 61 -- -- -- -- - - <br /> 7118(96 945 3739 -0 11 42 -- <50 <0 5 <0 5 <0 5 <0 5 <5 <br /> 11/15/96 9 95 3689 -050 -- - -- -- <br /> 3/14/97 NP 986 3698 0'09 — <50 <0 5 <0 5 <0 5 <0 5 -- 015 <br /> 6/4197 9 24 3760 10'62 - -- -- -- - -- -- 008 <br /> 8/11/97 NP 963 37 21 -039 -- <60 <0 5 <0 5 <0 5 <0 5 <2 5 <br /> 11/17/97 947 3737 0,116 - - -- -- -- - <br /> 3/30/98 NP 866 3818 1 0,81 -- <50 <0 5 <0 5 <0 5 <0 5 <5 0 1 5 <br /> 6125(98 992 3692 426 -- -- - -- - -- <br /> 9(11/98 P 940 37 44 0,52 -- <50 <0 5 <0 5 <0 5 <0 5 <2 5 161 <br /> 12115198 919 37 65 b 0121 - - -- -- -- 1 1 <br /> 3(17199 P 896 3788 i 01123 -- <50 <0 5 0 821 <0 5 <0 5 <5 0 3 7 <br /> 5114199 920 3887 099 -- -- -- - - 2 80 <br /> 9116(99 P 9 52 3855 <br /> -0'32 <50 <6 5 <0 5 <0 5 <0 5 c5 0 3 4 <br /> 12/22/99 9 32 3762 -1103 -- -- -- - -- - 044 <br /> 2129100 P 860 3824 0 72 - 114 <0 5 0 678 <0 5 163 <2 5 3 2 <br /> 6!7(00 NP 935 3749 -076 1 -- -- -- -- -- -- -- -- <br /> 9/25100 NP 10 21 3663 -0 86 <50_ <0 5 <0 5 <0 5 <0 5 8 93 0 5 <br /> 12/21/00 9 15 3769 ! 16 -- -- -- -- 4 5 <br /> 3(27/01 P 906 3778 I' 0,09 - <50 0 <0 500 <0 500 <0 500 <0 500 <2 00" 3 7 <br /> 6120/01 9 25 3769 .019 -- -- - -- -- -- <br /> 9112101 P 1031 36 53 i, .11 06 ! -- <50 <0 50 <0 50 <0 501 <0 50 <2 5 16 <br /> I <br /> ATR-12 10(16/90 4708 -- - !'-- -- <50 <0 5 <0 5 <0 5 <0 5 -- <br /> i <br /> i I <br />� Protects/A*/20931RepartslTableslgwtables2093 As ,� <br />