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Table 1 GROUNDWATER ANALYTICAL RESULTS AND MONITORING DATA SOUTHLAND SITE NO. 20304 455 GRANT LINE ROAD,TRACY,CALIFORNIA WELL 1D/::r; ETHYL-- LEVATION -` ' :.DATE-'.. . TPH-ts TPH-D BENZENE TOLUENE BENZENE XYLENES FECAL DTW. SPT WTE... OC ----(ppb) pb pb) _pb pb b COLIFORM feet ' feet : feet MW-12 `.107120/88 'ND -- ND ND NO NO -- .5,45: 0,00 ::21;79 07/20/88 NO -- NO ND ND NO -- 5.45 0.00 21.79 27.2403/21189,. ND ..>. -- NO ND ND ND. - 4.79 >0.00: :22:45 06/10/91 NO -- NO ND ND NO -- 5.61 0.00 21.63 ;!.>09112/91 ND ND ND ND ND <2 6:30 . .:',0:00. 12/30/91 ND ND NO ND ND <2.2 5.31 0.00 21.93 03/31/92 ND ND NO ND ND <2 4.94; 22'.30; 06/13/92 NO -- ND NO ND NO 2.2 5.81` 0.00 21.43 ,, ... ..,- - __ _ DRY 12/28/92 NO -- ND ND ND ND <1.1 4.83 0.00 22.41 . 'ND: 4.55 22.69; 06/17/93 ND - ND NO ND NO -- 5.1 Q 0.00 22.14 26.51 ' ;:..`:09110/93. . .. __ I 2/10/93 ND -- NO NO NO ND -- 5.00 0.00 21.51 :03/31/94 - MW-13 07/20/88 ND -- NO ND NO ND -- 3.89;11 ;0:00 03/21/89 NO -- NO ND NO NO - 3.23 0.00 22.37 25.60 ;06110191 _ NO -- ND ND ND' ND' -- 4,04, ::.0.00. 21:56: 09/12/91 ND -- NO ND ND NO <2 4.74 0.00 20.86 jV30191 NO -- NO ND ND ND .<2.2 ?3.74: :x':'0,00 21:86 03/31/92 NO - ND ND ND NO <2 3.38 0.00 22.22 06/.19/92.:' NO -- NO ND ND NO <2.2 4:24 ::0:00 ` `_21:36 09/21/92 ND -- NO NO ND NO 4.4.3 0.00 211.17 >,12/28/92.:-' ND - ND 'L ND .ND 'ND326<: O.DD <22.34. _-. Q3/11193 -- -- --- -- -- -- __ 3.01 0.00 22.59 22;02 24.89 * 09/10/93 -- -- -- -- -- - - - 4.15 0.00 20.74 'f 2/10/93 ND :ND ND ND; :. ND 3.46; .. . ,q;00 21t43 03/31/94 -- -- -- -- -- -- -- -- -- -- MW--14 ;..;.'07/20/88 "ND ND ND ND ND -- 4:89:` 0.00 21:94; 03/21/89 ND - ND ND NO ND 2663 ;?06/ 0/91 ... ;;. .:?ND ND NO NO NO -- 4;92,'; ::9,00 ...21:7:1; 09/12/91 NO -- NO ND ND ND <2 5.60 0.00 21.03 s::12130/91ND -- 'ND ND ND <2.2 4.60 '0.00" . 22:03 63/31/92 ND -- NO ND NO ND 2 4.24 0.00 22.39 06/19/92 NO - N[] NO ND 'ND 9.2 6.07< 0,00 «20.56 09/21/92 ND - ND NO NO NO <2.2 6.30" 0,00 20.33 12/28/92 ..:ND ND NO ND NO -- 11412 OAO :22:51' 03/11/93 -- -- -- -- -- -- - 3.80 0.00 22.83 " 3 :: -- - -- -- -- -- 4:41': :0.00: :::22.22 25.91 * 09/10/93 -- -- -- -- -- -- -- 5.72 0.00 20.19 ND -- NO m NO ND NO - 4:27,. <0.O6: 11.64 03/31/94 MW-15 07/20/88 ND -- NO ND NO NO 3.63 0.00 21.75 03/21/89 NO -- ND ND NO NO - 2.99 0.00 22.39 25.38 06/10/91 ND -- ND ND NO ND -- 3.84 0.00 21.54 09/12/91 NO -- ND ND NO NO -- 4.49 0.00 20.89 12/30/91 ND -- ND ND NO NO <2 .,3.49 0.00 21.89 03/31/92 ND -- ND ND NO ND <2.2 3.17 0.00 22.21 06/19/92 ND -- ND NO NO ND <2.2 4.03 0.00 .21.35 09/21/92 ND -- ND NO ND ND -- 4.18 0.00 21.20 12/28/92 ND -- ND NO NO ND <2.2 :3.02 0.00. .22.36 03/11/93 ND -- NO ND ND NO -- 2.80 0.00 22.58 06/17/93 ND -- NO ND ND ND -- 3.35 0.00 22.03 24.69 ' 09/10/93 NO -- NO ND ND NO -- 3.99 0.00 20.70 12/10/93 NO ND NO ND NO 3.31 0,00 :21.38 03/31/94 - -- -- -- -- -- -- 3.24 0.00 21.45 GWE-1 09/10/93 120 -- 4 0.8 7 114 -- 4.98 0.00 '21.05 26.03. 12/10/93 220 - 3 1 12 18 - 4.22 0.00 21.81 03/31194 22 - 1.8 ND 1.0 1.6 - 4.2 0 21.83 EXPLANATION: Page 4 of 4 TPH-G= Total petroleum hydrocarbons-as-gasoline WTE = Water table elevation in feet above mean sea level TPH-D =Total petroleum hydrocarbons-as-diesel fuel NA = Not available DTW = Depth to groundwater - Monitoring well MW-7 was abandoned March 1989 = Separate-phase hydrocarbon thickness •' = Well resurvey data = Not analyzed; not monitored ND = Not detected at or above method detection limits Data trom November 1986 to September 1992 were taken from Quartet Fluid-Level Monitoringen_d_Groundwater Sampling ReP�rl October 15, 1992 Alton Geoscience ,A1t MAIwkl ........ R0UNDVVM ER " ' TECHNOLOGY