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mm4rmm <br /> TABLE 4b <br /> GROUNDWATER TREATMENT SYSTEM DATA <br /> Thrifty Oil Station# 172,7647 Pacific Ave Stockton CA <br /> Discharge Average INLET u IL OUTLET u IL <br /> TotallCum TRPH LEL COMMENTS <br /> Totalizer Discharge 21 {field) <br /> DATE E X MTBE 0181} B T E X MTBE p <br /> Rallons (gallons) at/da Discharge Flow TPHg B T(8015M) (8021) (8021) (8021) {8021] [8021) m (8021) (6021) (8021) (8021) (80 ) (1501} sensor <br /> - 1 20 Restartetl w system wAh new water meter starting at 10 <br /> - _ _ _ allons <br /> 419103 10 93 114 - <br /> <0 5 <0 04 <0 102 <D 02 <0 O6 <4 03 8 98 D BO Alm colleCed annual samples <br /> 4110/03 730 93 834 720 148 000 32 300 31 800 2 260 8 420 1 890 0 94 <br /> 4!17103 1 340 94 444 87 - 0 70 <br /> 4124103 1 490 94 594 21 - 0$D Cheesed for ck gs and cleaned pump water Ines <br /> 511103 1 530 94 634 6 D 60 <br /> 5!8103 2 730 95 834 171 <br /> 080 <br /> 5!15103 2 920 96 024 27 1 DD shut down system for ows <br /> 5120!03 3 711 96 815 156 100 Restarted <br /> 5121193 3 711 96 815 0 shut down for ndal calibrahon reports for LEL 6 now as <br /> <0 5 <0 04 <0 02 <0 02 <0 06 <0 03 879 1 00 regaled by the City of Stockton kept system off for carbon <br /> 5122103 3 792 96 896 81 7 230 524 531 2 0 258 B 810 change <br /> Restarted system[carbon change on 611&03) <br /> 6120103 3 792 96 896 0 1 20 <br /> 6126!03 4 352 97 456 93 <br /> _ _ _ 100 <br /> 7!3!03 5 478 98 582 161 pH number was read n the Te Id using Hydac 910 Dvdal <br /> 717103 6 434 99 538 239 39 500 6 170 5 360 234 1 880 13 800 <0 5 <0 04 <0 02 <0 02 <0 06 <0 03 888 1 00 tester <br /> 100 <br /> H71916$69 99973 21$ pH number was readnthetelausingHydac9f0Cgnal <br /> 8 649 101 753 223 500 807 11 244 5$ 97 J 1 0 <0 04 <0 02 <0 02 <0 06 <0 03 8 65 1 20 tester <br /> 1 00 <br /> 9 341 102445 990 80 shut down Gw system for carbon change <br /> 9 732 102836 65 Restated from 9 732 o g 825gal scakng8dranngo <br /> _ _ 2DO new carbon wRh fresh 9 825 102 929 230 <br /> 3 11 081 104185 209 230 shn dawn system far ows <br /> 3 11 263 104 367 46 2PO Restarted <br /> 3 11 263 104 367 0 < <0 03 652 230 <br /> 3 11 978 105082 119 a7 1100 16 600 12 100 404 6490 42 700 <0 S <0 04 1 4 0 02 <0 O6 240 shut down system for ca bon change <br /> 12 806 105 910 92 System stei off (from 12 8061b U 590 gal soaking a <br /> 100 dranng of new carbon with fresh water) <br /> 9!11103 12 890 105 984 = _ ' <br /> 1 50 system still aN <br /> 9118!03 12 890 105 994 12 c0 02 <0 02 0 99 <br /> 9124/03 10 59 700 90 <0 2 <0 6 16 300 <0 5 <0 04 <0 03 6 58 1 80 Restarted Replaced water meter starting at 10 gall <br /> 236 Pound system flN pump broken down restarted <br /> 9125/03 430 106 414 420 238 <br /> 1912103 7 180 113 164 964 3 85ng <br /> Shut down system for carbon change <br /> 10!9103 7 970 113 954 113 Restarted(from 7 97010 6 420 gal waking 8 dranng of <br /> 1 26 new carbon with fresh wafer) <br /> 10115103 8 420 114 404 75 <br /> 10/16/03 8 650 114 634 230 22 400 4 500 4 920 193 2 040 Q61I152 <05 <0 04 <0 02 <0 02 <0106 <0 03 56 1 20 <br /> 10/23103 9 930 115 914 183 - - 208 <br /> 10130/03 12 870 118 854 420 2 36 <br /> 1115!03 20 160 126 144 1 215 2 g3 situ sown system for carbon change <br /> 11112!03 22 430 128 414 324 Restarted(iron z2 43010 23 280 gat soaking h droning of <br /> - - - 1 60 new cocoon wtlh fresh watery <br /> 11/19103 23 280 129 264 121 <br /> 11/20/03 23 390 129 374 110 118 000 2$50 1 B 900 2 600 17 700 '2971169 <0 5 <0 104 D 97 <0 02 <0 Ofi <0 03 7 67 1 38 <br /> 9/7/04 <br /> 172TA84 GW System Page i of 3 <br />