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Table 1 <br /> HISTORICAL GROUNDWATER ANALYTICAL RESULTS AND MONITORING DATA <br /> CHEVRON SERVICE STATION 9-0557 <br /> 139 SOUTH CENTER STREET,STOCKrON,CALIFORNIA <br /> :E=LEVA <br /> L I.O./ ETHYL <br /> T10f�1' 3ENZENE. TOidl tk'C BENZENE X1fIl.ENES. TPH-G FECAL . OTW SPT WTE <br /> A b b `,` b b COLIFORM fM# fit <br /> MW-1 03/08/91 250 13 62 47 1,400 --- 43.89 0.00 -32.72 <br /> 11.17 08J2719f. 3 8.1's 18 a4 tsoa :NO 44;17 0.00 -33,Oq; <br /> 09/12191 40 8.8 6.6 11.0 1,700 -- 44.57 0.00 -33.40 <br /> f2J0l 91 . 48. ND. 12.0 1.700 - ? 4 .80 000 '-33,53. <br /> 04/03/92 6.78.3 9.6 14 11900 140 43.45 0.00 -32..25 <br /> x7/10182 480 1,800;: 410 ( 1.600 " 17000 <2.2-d!: 44:68 0.00. :=33.51: <br /> 111101'92 160 7.4 11 18 1.900 -- 46.39 O.OD -35.22 <br /> 02/18193 a f;t1 ` 24 11 D 8.400 23 44.50 ' . ;,0.00 <br /> 05/17/93 230 19 19 33 4,8x0 X23 42.10 0.00 -30.93 <br /> OB 17 9g 9>, 1 4 1 '500 42:20 '0.D0`. -31.03 <br /> MW-2 03/06/91 140 9.0 7 33 290 -- 44.61 0.00 -32.85 <br /> 11.76 DeJz7191._ 140 8 0. 1.5 t 1.$00 ND 44;813 0.00 -33 <br /> 09/12191 140 7.8 6.7 27 ... 2.200 -- 45.33 0.00 -33.57 <br /> 12/06/91 190 6.2 5.7. : 32 21.00 45:49 0.00.. -33.73 <br /> 04/03/92 430 16 6.8 57 2,500 40 44.20 0.00 -32.44 <br /> a7fiDJ92 410. 510: 210 83D G.000 ;'e2.2*.* 45.44 0.00 s3s8 <br /> 11/10/92 31 a 12 34 35 2.300 -- 47.05 0.00 -35.29 <br /> 02j16193 gTa. . 12:' 18.. :> `25. 6,aoa 56 44;x2 4.00.. "'32.f;G: <br /> 05/1.7/93310 4.. 11 120 3,800 9.2 42.88 0.00 --31.12 <br /> 01#" 7/93 fa0 1>t` S ''r 21 2.500 - d2 A9 <br /> 0.00s: -31.13 <br /> MW-3 03/08/91 0.5 ND NO NO NO -- 44.28 0..00 -32.50 <br /> 11.78 .06727/91 N.Q `: ND 2,5 Iso .;- 44X1. 0.00 X32 83 <br /> 09/12191 NO NO NO 0.5 82 -- 44.98 0.00 -33.20 <br /> 1.2108/91 NQ . ND </,1Q X85 45.09 0.00 33:31 <br /> 04/03/92 NO NO: <br /> ND NO NO -- 43.79 0.00 -32.01. . <br /> 4711D192 1'.1 ,. � 2.5 120 _-- 45:09; 0..W' `_33:,31.. <br /> 11/10/92 0.5 NO 0.6 1.7 104 -- 46.70 0.00 -34.92 <br /> 02/lW93 <br /> NO . NO . :NO 2 : 54 44.69 0..00. --32.91 <br /> 05/17/93 0.8 2 1 10 84 - 42.48 0.00 -30.70 <br /> 08/17/93 N[]' NONO .0.7' <50 42.53`.' 0.00' -30.75 <br /> MW-4 03/08/91 NO NO ND NO NO -- 44.75 0.00 -32.45 <br /> 12.30 06/27/91 "ND AND: NO NO ' NO -- 45.08 : 0.00 -32:78 <br /> 09/12/91 ND NO NO NO NO -- 45.47 0.00 -33.17 <br /> 12!06191 . ND. ND'', ND. ND:', . Nth _- 45.57 0M -33,27. <br /> 04/03/92 NO NO NO NO ND -- 44.28 0.00 -31.98 <br /> 071#OJ92 : ND NC7 <br /> NO ND -- 45.541 0.00 �-33;24> <br /> 11/10/92 ND NO 2.0 6.9 NO -- 47.16 0.00 -34..86 <br /> 02/18193 ND.; . ND : NO ND NO -- 45.18 000 -324.88 <br /> 05/17/93 8 24 13 at 430 -- 42.94 0.00 -30.64 <br /> 06/17/93 NA NO ND NO NO -- 43.02 0.00 -30.72 <br /> MW-5 <br /> 12.09 11/10/92 NO NO NO NO NO -- 47.65 0.00 -35.56 <br /> 02/16/93 ND N7 NO 0.7 NO -- 45,97 0.00 -33.88 <br /> 05/17/93 12 33 18 110 600 - 43.66 0.00 -31.57 <br /> 081 1 09 8 145 - 43.63 400 -31.54 <br /> EXPLANATION <br /> All elevations are given as feet above mean sen level <br /> TPH-G=Total petroleum hydrocarbons-as-gasoline <br /> DTW= Depth to water <br /> SPT= Separate-phase hydrocarbon thickness <br /> WTE =Water table elevation <br /> TOC=Top of casing,feet above mean sea level <br /> ppb= paits per billion <br /> Fecal coliforms measured in organisms per 100 ml <br /> NO = Not detected at or above the minimum quantitation limit <br /> = Not analyzed <br /> * Non-standard gasoline pattern in chromatogram <br /> ** ResuNs listed reflect Fecal Coliform analysis only. Laboratory analysis lists toted coliform and faced coliform. <br /> Note: See iaboreto <br /> reports for minimum quantitation limits. <br /> GARTAB1.wiCi 'GROUNDWATER <br /> TECHNOLOGY <br />