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Project No 58100-06-62 <br /> August 22 1996 <br /> Page 1 of 4 <br /> TABLE 1 <br /> SUMMARY OF GROUNDWATER ELEVATION AND ANALYTICAL,DATA <br /> CALTRANS SHOP 10 <br /> 1603 SOUTH B STREET,STOCKTON,CA <br /> TOC Depth to Groundwater) Ethyl- Total <br /> Well Elevation Groundwater Elevation TPHg TPHd Benzene Toluene benzene Xylenes MTBE Sampled by <br /> Number Date (MSL) (feet) (MSL) (ug/l) (ugll) (ugR) (ugll) (ug/l) (ug/1) (ugll) <br /> MW-1 1987 -- --- --- 154,000 NA 14 700 25 300 2,500 9,800 — WCC <br /> MW-1 05/17/91 --- — --- NA --- --- — --- — WCC <br /> MW-1 07/05/91 — — --- --- NA - — --- --- --- 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 NA 19,900 38,800 4,000 15,900 --- WCC <br /> MW-2 05/17/91 -- DRY - -- NA --- --- --- --- -- WCC <br /> MW-2 07/05/91 -- DRY --- -- NA --- --- — WCC <br /> MW-2 04/07/92 2151 DRY — -- -- -- — --- ALTON <br /> MW-2 05/24/94 2151 DRY — --- -_ --- _-_ -- -- --- NM <br /> MW-2 07/94 Well abandoned/removed <br /> MW-3 1987 — -- --- 231,000 NA 25 700 36,700 2,700 12,300 -- WCC <br /> MW-3 05/17/91 --— DRY --- --- NA --- --- --- --- --- WCC <br /> MW-3 07/05/91 --- DRY -- --- NA -- — -- — --- WCC <br /> MW-3 04/07/92 2156 DRY — — --- — --- --- -- ALTON <br /> MW-3 05/24/94 21 56 DRY -- — --- --- -- --- --- -- NM <br /> MW-3 07194 Well abandonediremoved <br /> MW-4 1987 -- --- --- 174,000 NA 21,200 26 100 1,300 10,600 --- WCC <br /> MW-4 05/17/91 — DRY --- --- NA --- -- --- --- --- WCC <br /> MW4 07/05/91 -- DRY — — NA --- --- — --- --- WCC <br /> MW4 04/07/92 2113 DRY --- -- — --- --- --- ALTON <br /> MW4 05/24/94 2113 DRY — --- --- --- --- --- --- NM <br /> MW4 07194 Well abandoned/removed <br /> MW-5 05/10/90 10055 5795 4260 <50 NA <0 5 <0 5 <0 5 <0 5 -- WCC <br /> 14W-5 05/17/91 11115 DRY --- --- NA --- --- -- --- — WCC <br /> MW-5 07105191 10055 DRY — -- NA --- --- — --- — WCC <br /> MW-5 04/07/92 2157 DRY -- -- -- — — ALTON <br /> MW-5 05/24/94 2157 DRY --- --- — --- -- --- --- — NM <br /> MW-5 07194 Well abandoned/removed <br /> MW-6 05/10/90 9971 5795 4260 <50 NA <05 <0 5 <0 5 <05 -- WCC <br /> MW-6 07/05/91 9971 DRY DRY --- NA --- — --- --- --- WCC <br /> MW-6 04/07/92 9971 DRY DRY --- — --- --- --- — -- ALTON <br /> MW-6 05/24/94 2074 DRY --- --- — — ___ --- --- NM <br /> MW 6 07194 Well abandoned/removed — <br />