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TABLE 2
<br />Historical Groundwater Monitoring & Analytical Data
<br />Stockton Charter Way Commingled Plume
<br />440, 441, and 508 West Charter Way, 1426, and 1444 South Lincoln Street, Stockton, CA
<br />Well No.
<br />Date
<br />Notes
<br />TOC
<br />Elevation
<br />(ft -MSL)
<br />Depth
<br />to
<br />Water
<br />(feet)
<br />Measured
<br />SPH
<br />Thickness
<br />(feet)
<br />Calc.
<br />GW
<br />Elev.
<br />(ft -MSL)
<br />TPHg
<br />(p9/L)
<br />TPHd
<br />(p9/L)
<br />Motor
<br />Oil
<br />(lig/
<br />B
<br />(p9/L)
<br />T
<br />(p9/L)
<br />E
<br />(p9/L)
<br />X
<br />(p9/L)
<br />MTBE
<br />(p9/L)
<br />TBA
<br />(p9/L)
<br />DIPE
<br />(p9/L)
<br />ETBE
<br />(p9/L)
<br />TAME
<br />(p9/L)
<br />Ethanol
<br />(p9/L)
<br />McOH
<br />(p9/L)
<br />1'2
<br />DCA
<br />DCA
<br />EDB
<br />(p9/L)
<br />D.O.
<br />(m9/L)
<br />Comments
<br />SMW-11 05/21/98
<br />10.17
<br />19.71
<br />0.00
<br />-9.54
<br />110,000
<br />19,000
<br />1,100
<br />1,500
<br />4,600
<br />08/11/98
<br />19.74
<br />0.00
<br />-9.57
<br />31,000
<br />12,000
<br />1,200
<br />710
<br />1,500
<br />11/09/98
<br />20.97
<br />0.00
<br />-10.80
<br />25,000
<br />6,800
<br />2,100
<br />390
<br />1,300
<br />02/17/99
<br />20.53
<br />0.00
<br />-10.36
<br />1,500
<br />690
<br />5.7
<br /><1.00
<br />1.3
<br />05/25/99
<br />19.35
<br />0.00
<br />-9.18
<br />2,500
<br />980
<br /><10
<br />61
<br /><10
<br />08/18/99
<br />19.97
<br />0.00
<br />-9.80
<br />6,600
<br />2,700
<br />130
<br />120
<br />120
<br />11/05/99
<br />21.43
<br />0.00
<br />-11.26
<br />23,000
<br />7,500
<br />2,700
<br />500
<br />1,700
<br />02/22/00
<br />19.77
<br />0.00
<br />-9.60
<br />37,000
<br />12,000
<br />5,400
<br />840
<br />2,500
<br />05/16/00
<br />19.32
<br />0.00
<br />-9.15
<br />22,000
<br />13,000
<br />1,200
<br />950
<br />2,700
<br /><40.0
<br /><2,000
<br /><40.0
<br /><40.0
<br /><40.0
<br /><40.0
<br /><40.0
<br />08/30/00
<br />16.07
<br />0.00
<br />-5.90
<br />9,000
<br />480
<br />4,300
<br />58
<br />90
<br />130
<br /><40.0
<br /><2,000
<br /><40.0
<br /><40.0
<br /><40.0
<br /><40.0
<br /><40.0
<br />11/21/00
<br />21.20
<br />0.00
<br />-11.03
<br />15,000
<br />1,100
<br />5,100
<br />1,700
<br />310
<br />1,000
<br />7.3
<br /><50
<br /><2.0
<br /><2.0
<br /><2.0
<br /><2.0
<br /><2.0
<br />02/15/01
<br />21.29
<br />0.00
<br />-11.12
<br />7,900
<br />540
<br />2,400
<br />470
<br />120
<br />330
<br />7.4
<br /><200
<br /><2.00
<br /><2.00
<br /><2.00
<br />2.1
<br /><2.00
<br />05/17/01
<br />21.47
<br />0.00
<br />-11.30
<br />24,000
<br /><400
<br />7,900
<br />1,900
<br />540
<br />1,400
<br />77
<br /><250
<br /><25
<br /><25
<br /><25
<br /><25
<br /><25
<br />08/16/01
<br />22.00
<br />0.00
<br />-11.83
<br />21,000
<br /><400
<br />6,800
<br />2,200
<br />440
<br />1,600
<br />37
<br /><200
<br /><20
<br /><20
<br /><20
<br /><20
<br /><20
<br />12/06/01
<br />23.00
<br />0.00
<br />-12.83
<br />9,400
<br /><200
<br />3,000
<br />840
<br />170
<br />610
<br />28
<br /><200
<br /><20
<br /><20
<br /><20
<br /><20
<br /><20
<br />02/14/02
<br />9.04
<br />21.58
<br />0.00
<br />-12.54
<br />29,000
<br /><400
<br />9,100
<br />2,100
<br />510
<br />1,400
<br />160
<br /><500
<br /><50
<br /><50
<br /><50
<br /><50
<br /><50
<br />05/31/02
<br />21.40
<br />0.00
<br />-12.36
<br />13,000
<br /><250
<br />5,300
<br />280
<br />220
<br />410
<br />120
<br /><200
<br /><20
<br /><20
<br /><20
<br /><20
<br /><20
<br />08/23/02
<br />22.71
<br />0.00
<br />-13.67
<br />3,400
<br /><200
<br />1,400
<br />30
<br /><10
<br />29
<br />46
<br /><100
<br /><10
<br /><10
<br /><10
<br /><10
<br /><10
<br />09/27/02
<br />23.18
<br />0.00
<br />-14.14
<br />-
<br />-
<br />-
<br />-
<br />-
<br />-
<br />-
<br />-
<br />-
<br />-
<br />-
<br />-
<br />-
<br />11/13/02
<br />23.68
<br />0.00
<br />-14.64
<br />7,200
<br /><300
<br />1,800
<br />710
<br />130
<br />470
<br />30
<br /><50
<br /><2.5
<br /><2.5
<br /><2.5
<br /><2.5
<br /><2.5
<br />1
<br />02/11/03
<br />22.65
<br />0.00
<br />-13.61
<br />2,600
<br /><200
<br />1,200
<br />100
<br />27
<br />68
<br />73
<br /><200
<br /><10
<br /><10
<br /><10
<br /><10
<br /><10
<br />1
<br />05/29/03
<br />22.40
<br />0.00
<br />-13.36
<br />4,100
<br /><300
<br />1,300
<br />140
<br />36
<br />97
<br />83
<br />55
<br /><5.0
<br /><5.0
<br /><5.0
<br /><5.0
<br /><5.0
<br />-
<br />08/14/03
<br />23.37
<br />0.00
<br />-14.33
<br />2,400
<br />100
<br />600
<br />23
<br /><10
<br /><20
<br />26
<br /><100
<br /><40
<br /><40
<br /><40
<br /><10
<br /><10
<br />11/03/03
<br />24.08
<br />0.00
<br />-15.04
<br />20,000
<br />700
<br />4,800
<br />3,400
<br />570
<br />2,000
<br />150
<br /><500
<br /><200
<br /><200
<br /><200
<br /><50
<br /><50
<br />02/09/04
<br />23.47
<br />0.00
<br />-14.43
<br />3,200
<br />200
<br />1,800
<br />160
<br />46
<br />100
<br />87
<br /><100
<br />-
<br />-
<br />-
<br /><10
<br /><10
<br />05/10/04
<br />23.14
<br />0.00
<br />-14.10
<br />2,100
<br />95
<br />810
<br />16
<br />9.3
<br />16
<br />98
<br /><50
<br /><5.0
<br /><5.0
<br />08/09/04
<br />24.09
<br />0.00
<br />-15.05
<br />2,900
<br />160
<br />1,000
<br />43
<br />15
<br />37
<br />30
<br /><50
<br /><5.0
<br /><5.0
<br />11/15/04
<br />25.40
<br />0.00
<br />-16.36
<br />2,000
<br />54
<br />540
<br />34
<br />7.9
<br />24
<br />12
<br /><50
<br /><5.0
<br /><5.0
<br />02/08/05
<br />23.70
<br />0.00
<br />-14.66
<br />4,300
<br />130
<br />1,600
<br />160
<br />53
<br />96
<br />110
<br />56
<br /><5.0
<br /><5.0
<br />05/09/05
<br />21.82
<br />0.00
<br />-12.78
<br />16,000
<br />1,100
<br />7,500
<br />330
<br />800
<br />1,000
<br />360
<br /><500
<br /><50
<br /><50
<br />08/08/05
<br />21.95
<br />0.00
<br />-12.91
<br />3,700
<br />150
<br />1,700
<br />31
<br />45
<br />67
<br />80
<br />73
<br /><5.0
<br /><5.0
<br />11/07/05
<br />23.32
<br />0.00
<br />-14.28
<br />4,800
<br />160
<br />1,600
<br />59
<br />25
<br />76
<br />57
<br />60
<br /><5.0
<br /><5.0
<br />02/06/06
<br />22.55
<br />0.00
<br />-13.51
<br />5,200
<br />300
<br />2,100
<br />130
<br />160
<br />180
<br />100
<br /><500
<br /><50
<br /><50
<br />05/08/06
<br />19.84
<br />0.00
<br />-10.80
<br />26,000
<br />3,800
<br />9,800
<br />1,200
<br />980
<br />3,200
<br />190
<br /><100
<br /><5.0
<br /><10
<br />08/07/06
<br />19.65
<br />0.00
<br />-10.61
<br />15,000
<br />760
<br />4,500
<br />93
<br />390
<br />700
<br />240
<br /><120
<br /><12
<br /><12
<br />10/30/06
<br />20.45
<br />0.00
<br />-11.41
<br />7,100
<br />400
<br />3,000
<br />130
<br />48
<br />150
<br />79
<br /><250
<br /><25
<br /><25
<br />01/29/07
<br />20.75
<br />0.00
<br />-11.71
<br />3,400
<br />200
<br />650
<br />33
<br />13
<br />31
<br />35
<br /><120
<br /><12
<br /><12
<br />05/07/07
<br />20.12
<br />0.00
<br />-11.08
<br />7,300
<br />2,100
<br />2,700
<br />220
<br />140
<br />340
<br />50
<br /><100
<br /><5.0
<br /><10
<br />08/06/07
<br />20.64
<br />0.00
<br />-11.60
<br />7,000 N
<br />740 N
<br />5,800
<br />870
<br />270
<br />1,000
<br />160
<br /><500
<br /><25
<br /><50
<br />11/05/07
<br />21.21
<br />0.00
<br />-12.17
<br />3,000
<br />300
<br />340
<br />19
<br />7.6
<br />27
<br /><1.0
<br />35
<br /><0.50
<br /><1.0
<br />02/04/08
<br />22.14
<br />0.00
<br />-13.10
<br />13,000
<br />440 N
<br />4,200
<br />940
<br />360
<br />920
<br />39
<br /><50
<br /><2.5
<br /><5.0
<br />05/05/08
<br />19.55
<br />0.00
<br />-10.51
<br />4,100
<br />170 N
<br />1,400
<br />140
<br />55
<br />210
<br />23
<br /><100
<br /><20
<br /><20
<br /><20
<br /><1,000
<br /><5.0
<br /><10
<br />08/04/08
<br />20.34
<br />0.00
<br />-11.30
<br />6,600
<br />210 N
<br />1,100
<br />310
<br />110
<br />430
<br />18
<br /><100
<br /><20
<br /><20
<br /><20
<br /><1,000
<br /><5.0
<br /><10
<br />10/28/08
<br />21.32
<br />0.00
<br />-12.28
<br />-
<br />-
<br />-
<br />-
<br />-
<br />-
<br />-
<br />-
<br />-
<br />-
<br />-
<br />-
<br />-
<br />-
<br />10/29/08
<br />-
<br />-
<br />-
<br />2,600
<br />180 N
<br />540
<br />32
<br /><10
<br />19
<br />12
<br /><100
<br /><20
<br /><20
<br /><20
<br /><1,000
<br /><5.0
<br /><10
<br />01/27/09
<br />1
<br />21.32
<br />0.00
<br />-12.28
<br />1 -
<br />-
<br />-
<br />-
<br />-
<br />-
<br />-
<br />-
<br />-
<br />-
<br />-
<br />-
<br />-
<br />-
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