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M W*M M = MM <br /> Project No 58100-06-18A <br /> December 9,1996 <br /> Page 1 of 3 <br /> TABLE 3 <br /> SUMMARY OF GROUNDWATER ELEVATION AND ANALYTICAL DATA <br /> CALTRANS SHOP 10 <br /> 1603 SOUTH B STREET,STOCKTON,CA <br /> Well Date TOC lkp1h to Groundwater' TPHg TPHd Benzene Toluene Ethyl- Total MTBE Sampled by <br /> Number Elevation Groundwater Elevation 41g/1) (µms) (µgA) (µg/1) benzene Xylenes <br /> (MSL) (feet) (MSL) (µPQ) (µg11} (99/1) <br /> MW-1 1987 – – - 154,000 — 14,700 25,300 2,500 9,800 — WCC <br /> MW-1 05/17/91 — – — --- — --- — -- — WCC <br /> MW-1 07/05/91 — -- --- — -- — - — WCC <br /> MW-1 04/07/92 2164 DRY — — --- — -- — — — ALTON <br /> MW-1 05/24/94 2164 DRY – -- — — --- — --- — NM <br /> MW-1 07/94 Well abandoned/removed <br /> MW-2 1987 — – --- 210,000 -- 19,900 38,800 4,000 15,900 — WCC <br /> MW-2 05/17/91 — DRY --- --- -- — -- -- -- — WCC <br /> MW-2 07/05/91 — DRY -- -- -- - -- — — WCC <br /> MW-2 04/07/92 2151 DRY — -- --- — — — --- ALTON <br /> MW-2 05/24/94 2151 DRY — -- -- -- --- --- --- NM <br /> MW-2 07194 Well abandoned/removed <br /> MW-3 1987 – — — 231,000 --- 25,700 36 700 2,700 12,300 — WCC <br /> MW-3 05/17/91 — DRY --- — --- -- -- -- WCC <br /> MW-3 07/05/91 — DRY --- --- — --- — --- — WCC <br /> MW-3 04/07/92 2156 DRY --- - – -- — — — ALTON <br /> MW-3 05124/94 2156 DRY --- --- – — — --- --- -- NM <br /> MW-3 07/94 Well abandoned/removed <br /> MW-4 1987 – --- 174000 -- 21,200 26,100 1,300 10,600 — WCC <br /> MW-4 05/17/91 --- DRY --- — — --- -- -- -- — WCC <br /> MW-4 07/05/91 — DRY – — – -- — – — WCC <br /> MW-4 04/07/92 2113 DRY – -- -- – --- — -- — ALTON <br /> MW-4 05/24/94 2113 DRY --- -- – --- --- — ..-- — NM <br /> MW4 07/94 Well abandoned/removed <br /> MW-5 05/10/90 10055 5795 4260 <50 -- <0 5 <0 5 <0 5 <0 5 --- WCC <br /> MW-5 05/17/91 10055 DRY — -- -- — — --- — — WCC <br /> MW-5 07/05/91 10055 DRY — -- — -- -- — --- WCC <br /> MW-5 04/07/92 2157 DRY — – --- — --- -- — — ALTON <br /> MW-5 05/24/94 2157 DRY — — --- — -- — — — NM <br /> MW-5 07/94 Well abandoned/removed <br /> MW-6 05/10/90 9971 5795 4260 <50 --- <0 5 <0 5 <0 5 <0 5 WCC <br /> MW-6 07/05/91 9971 DRY DRY -- --- --- --- — — --- WCC <br /> MW-6 04/07/92 9971 DRY DRY -- — --- --- — — – ALTON <br /> MW-6 05/24/94 2074 DRY --- --- — --- --_ — <br /> NM <br /> MW-6 07194 Well abandoned/removed <br /> I MW-7 05/04/90 10000 5078 4022 <50 — 15 <0 5 <0 5 <0 5 — WCC <br /> MW-7 05/17/91 10000 6450 3550 <50 --- <0 5 <0 5 <0 5 <0 5 — WCC <br /> MW-7 07/05/91 10000 6496 35 04 --- --- --- --- WCC <br /> MW-7 04/07/92 2103 6528 -4425 <30 <30 <0 3 <0 3 <0 3 <0 37 – ALTON <br /> MW-7 10/22/93 2103 6714 4611 ND --- ND ND ND ND --- EA <br /> MW-7 05/24/94 2103 6490 4387 -- — --- --- -- NM <br /> MW-7 07194 Well abandoned/removed <br />