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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 />(N9/L)
<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 />MW -10-11710/19/15
<br />NSP
<br />12.26
<br />21.61
<br />0.00
<br />-9.35
<br />-
<br />04/11/16
<br />19.04
<br />0.00
<br />-6.78
<br />0.30
<br />04/14/16
<br />-
<br />-
<br />-
<br />490 -
<br />- 160
<br />1.9
<br />1.5
<br />4.2
<br />11
<br />39
<br />- - - - - - - -
<br />12/12/16
<br />NSP
<br />20.65
<br />0.00
<br />-8.39
<br />-
<br />-
<br />-
<br />-
<br />-
<br />-
<br />-
<br />04/10/17
<br />12.29
<br />14.73
<br />0.00
<br />-2.44
<br />-
<br />-
<br />-
<br />-
<br />-
<br />-
<br />-
<br />-
<br />04/11/17
<br />-
<br />-
<br />-
<br />370
<br />65
<br />1.0
<br /><0.50
<br />2.2
<br />9.4
<br />52
<br />0.21
<br />10/24/17
<br />INA
<br />-
<br />-
<br />-
<br />-
<br />-
<br />-
<br />-
<br />-
<br />-
<br />-
<br />-
<br />Broken car over well
<br />05/07/18
<br />16.03
<br />0.00
<br />-3.74
<br />-
<br />-
<br />-
<br />-
<br />-
<br />-
<br />-
<br />0.52
<br />05/08/18
<br />-
<br />-
<br />-
<br />1,300
<br />610
<br />6.4
<br />1.6
<br />6.4
<br />8.8
<br />32
<br />-
<br />05/28/19
<br />14.20
<br />0.00
<br />-1.91
<br />-
<br />-
<br />-
<br />-
<br />-
<br />-
<br />-
<br />0.49
<br />05/29/19
<br />-
<br />-
<br />-
<br />820
<br />440
<br /><5.00
<br /><5.00
<br /><15.0
<br />13
<br />40
<br />-
<br />11/25/19
<br />NSP
<br />16.33
<br />0.00
<br />-4.04
<br />-
<br />-
<br />-
<br />-
<br />-
<br />-
<br />-
<br />04/01/20
<br />15.35
<br />0.00
<br />-3.06
<br />-
<br />-
<br />-
<br />-
<br />-
<br />-
<br />-
<br />-
<br />04/02/20
<br />-
<br />-
<br />-
<br />2,300
<br />910
<br />6.7
<br /><2.5
<br /><7.5
<br />26
<br />52
<br />0.37
<br />11/09/20
<br />NSP
<br />16.80
<br />0.00
<br />-4.51
<br />-
<br />-
<br />-
<br />-
<br />-
<br />-
<br />-
<br />-
<br />05/04/21
<br />16.45
<br />0.00
<br />-4.16
<br />1,500
<br />500
<br />5.8
<br /><5
<br /><15
<br />64
<br /><50
<br />1.19
<br />11/22/21
<br />NS
<br />17.33
<br />0.00
<br />-5.04
<br />-
<br />-
<br />-
<br />-
<br />-
<br />-
<br />-
<br />-
<br />05/05/22
<br />16.35
<br />0.00
<br />-4.06
<br />540
<br />120
<br />1.7
<br /><0.500
<br />1.7
<br />87
<br />52
<br />1.05
<br />11/23/22
<br />NS
<br />18.61
<br />0.00
<br />-6.32
<br />-
<br />-
<br />-
<br />-
<br />-
<br />-
<br />-
<br />-
<br />SMW-11 05/10/91
<br />10.17
<br />39.46
<br />0.00
<br />-29.29
<br />-
<br />-
<br />-
<br />-
<br />-
<br />02/05/92
<br />40.89
<br />0.00
<br />-30.72
<br />130,000
<br />8,500
<br />10,000
<br />2,100
<br />5,900
<br />05/15/92
<br />40.18
<br />0.00
<br />-30.01
<br />42,000
<br />8,000
<br />8,400
<br />1,600
<br />4,900
<br />10/15/92
<br />42.81
<br />0.00
<br />-32.64
<br />-
<br />-
<br />-
<br />-
<br />-
<br />12/17/92
<br />42.65
<br />0.00
<br />-32.48
<br />240,000
<br />45,000
<br />25,000
<br />5,100
<br />11,000
<br />03/18/93
<br />40.17
<br />0.00
<br />-30.00
<br />150,000
<br />13,000
<br />12,000
<br />2,400
<br />7,000
<br />06/10/93
<br />38.57
<br />0.00
<br />-28.40
<br />69,000
<br />5,900
<br />3,400
<br />780
<br />2,400
<br />09/20/93
<br />-
<br />-
<br />-
<br />120,000
<br />12,000
<br />13,000
<br />2,000
<br />6,300
<br />10/22/93
<br />39.65
<br />0.00
<br />-29.48
<br />-
<br />-
<br />-
<br />-
<br />-
<br />12/22/93
<br />39.40
<br />0.00
<br />-29.23
<br />-
<br />-
<br />-
<br />-
<br />-
<br />03/16/94
<br />38.70
<br />0.00
<br />-28.53
<br />120,000
<br />12,000
<br />13,000
<br />2,400
<br />6,900
<br />06/15/94
<br />38.27
<br />0.00
<br />-28.10
<br />16,000
<br />4,300
<br />2,100
<br />490
<br />130
<br />09/22/94
<br />39.73
<br />0.00
<br />-29.56
<br />45,000
<br />5,500
<br />4,700
<br />980
<br />3,300
<br />12/01/94
<br />39.75
<br />0.00
<br />-29.58
<br />68,000
<br />13,000
<br />12,000
<br />1,800
<br />5,800
<br />02/16/95
<br />36.55
<br />0.00
<br />-26.38
<br />73,000
<br />14,000
<br />12,000
<br />2,200
<br />6,400
<br />05/17/95
<br />32.18
<br />0.00
<br />-22.01
<br />17,000
<br />1,900
<br />2,400
<br />470
<br />1,400
<br />08/15/95
<br />31.80
<br />0.00
<br />-21.63
<br />2,700
<br />870
<br />35
<br />14
<br />40
<br />11/16/95
<br />32.20
<br />0.00
<br />-22.03
<br />49,000
<br />10,000
<br />8,900
<br />1,200
<br />4,700
<br />02/27/96
<br />29.37
<br />0.00
<br />-19.20
<br />5,100
<br />1,300
<br />470
<br />92
<br />290
<br />05/15/96
<br />27.65
<br />0.00
<br />-17.48
<br />66,000
<br />18,000
<br />9,200
<br />2,000
<br />8,000
<br />08/22/96
<br />28.32
<br />0.00
<br />-18.15
<br />17,000
<br />4,700
<br />1,600
<br />340
<br />1,200
<br />11/25/96
<br />28.35
<br />0.00
<br />-18.18
<br />5,600
<br />2,100
<br />240
<br />63
<br />210
<br />02/24/97
<br />24.56
<br />0.00
<br />-14.39
<br />910,000
<br />20,000
<br />15,000
<br /><50
<br /><50
<br />05/19/97
<br />24.20
<br />0.00
<br />-14.03
<br />39,000
<br />13,000
<br />3,300
<br />1,200
<br />4,100
<br />08/21/97
<br />25.29
<br />0.00
<br />-15.12
<br />110,000
<br />27,000
<br />19,000
<br />2,800
<br />11,000
<br />11/18/97
<br />26.27
<br />0.00
<br />-16.10
<br />32,000
<br />8,100
<br />3,900
<br />630
<br />2,100
<br />02/09/98
<br />1
<br />24.06
<br />0.00
<br />-13.89
<br />1 86,000
<br />23,000
<br />15,000
<br />2,300
<br />9,400
<br />stockton_charter_ way_comingles_plume_4g22.xlsm Page 82 of 116 Stantec
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