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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 />(p9/L)
<br />EDB
<br />(p9/L)
<br />D.O.
<br />(m9/L)
<br />Comments
<br />CMW-7A 04/09/12
<br />12.00
<br />17.56
<br />0.00
<br />-5.56
<br />-
<br />-
<br />-
<br />-
<br />-
<br />-
<br />-
<br />-
<br />- -
<br />- - - -
<br />-
<br />-
<br />-
<br />04/10/12
<br />-
<br />-
<br />-
<br />120,000
<br />15,000
<br />18,000
<br />3,900
<br />20,000
<br />20,000
<br />12,000
<br />66
<br />1.50
<br />Odor
<br />10/16/12
<br />17.58
<br />0.00
<br />-5.58
<br />-
<br />-
<br />-
<br />-
<br />-
<br />-
<br />-
<br />-
<br />0.31
<br />10/18/12
<br />-
<br />-
<br />-
<br />100,000
<br />13,000
<br />14,000
<br />2,400
<br />14,000
<br />19,000
<br />12,000
<br /><50
<br />-
<br />04/22/13
<br />17.08
<br />0.00
<br />-5.08
<br />-
<br />-
<br />-
<br />-
<br />-
<br />-
<br />-
<br />-
<br />0.60
<br />04/25/13
<br />-
<br />-
<br />-
<br />140,000
<br />19,000
<br />19,000
<br />3,000
<br />16,000
<br />20,000
<br />15,000
<br /><50
<br />-
<br />10/14/13
<br />17.94
<br />0.00
<br />-5.94
<br />-
<br />-
<br />-
<br />-
<br />-
<br />-
<br />-
<br />-
<br />0.69
<br />10/15/13
<br />-
<br />-
<br />-
<br />4,600
<br />200
<br />240
<br />32
<br />460
<br />25
<br />2,100
<br />1.2
<br />-
<br />04/22/14
<br />17.80
<br />0.00
<br />-5.80
<br />-
<br />-
<br />-
<br />-
<br />-
<br />-
<br />-
<br />-
<br />1.36
<br />04/24/14
<br />-
<br />-
<br />-
<br />300
<br />4.8
<br />5.3
<br />2.4
<br />27
<br /><0.50
<br />28
<br /><0.50
<br />-
<br />08/20/14
<br />18.88
<br />0.00
<br />-6.88
<br />3,800
<br />17
<br />69
<br />100
<br />610
<br />3.5
<br />120
<br /><0.50
<br />-
<br />10/20/14
<br />19.49
<br />0.00
<br />-7.49
<br />-
<br />-
<br />-
<br />-
<br />-
<br />-
<br />-
<br />-
<br />0.69
<br />10/21/14
<br />-
<br />-
<br />-
<br />2,000
<br />65
<br />38
<br />56
<br />220
<br />51
<br />200
<br /><0.50
<br />-
<br />04/27/15
<br />18.07
<br />0.00
<br />-6.07
<br />1,900
<br />45
<br />5.7
<br />55
<br />35
<br />31
<br />130
<br /><0.50
<br />0.60
<br />10/19/15
<br />18.92
<br />0.00
<br />-6.92
<br />-
<br />-
<br />-
<br />-
<br />-
<br />-
<br />-
<br />-
<br />0.23
<br />10/22/15
<br />-
<br />-
<br />-
<br />4,100
<br />140
<br />12
<br />220
<br />200
<br />130
<br />670
<br /><0.50
<br />-
<br />04/11/16
<br />17.46
<br />0.00
<br />-5.46
<br />-
<br />-
<br />-
<br />-
<br />-
<br />-
<br />-
<br />-
<br />1.60
<br />04/14/16
<br />-
<br />-
<br />-
<br />4,200
<br />94
<br />10
<br />190
<br />140
<br />68
<br />470
<br /><0.50
<br />-
<br />12/12/16
<br />19.20
<br />0.00
<br />-7.20
<br />-
<br />-
<br />-
<br />-
<br />-
<br />-
<br />-
<br />-
<br />0.43
<br />12/13/16
<br />-
<br />-
<br />-
<br />4,200
<br />110
<br />9.4
<br />180
<br />83
<br />100
<br />480
<br /><0.50
<br />-
<br />04/10/17
<br />12.02
<br />14.54
<br />0.00
<br />-2.52
<br />-
<br />-
<br />-
<br />-
<br />-
<br />-
<br />-
<br />-
<br />-
<br />04/12/17
<br />-
<br />-
<br />-
<br />4,000
<br />88
<br />8.3
<br />150
<br />68
<br />61
<br />460
<br /><0.50
<br />0.15
<br />10/24/17
<br />16.33
<br />0.00
<br />-4.31
<br />-
<br />-
<br />-
<br />-
<br />-
<br />-
<br />-
<br />-
<br />0.38
<br />10/25/17
<br />-
<br />-
<br />-
<br />2,500
<br />76
<br />7.0
<br />88
<br />31
<br />72
<br />340
<br /><0.50
<br />-
<br />05/07/18
<br />15.01
<br />0.00
<br />-2.99
<br />-
<br />-
<br />-
<br />-
<br />-
<br />-
<br />-
<br />-
<br />0.23
<br />05/08/18
<br />-
<br />-
<br />-
<br />2,100
<br />42
<br />3.1
<br />35
<br />12
<br />62
<br />260
<br /><0.500
<br />-
<br />05/28/19
<br />13.40
<br />0.00
<br />-1.38
<br />2,600
<br />45
<br />3.4
<br />16
<br />12
<br />48
<br />240
<br /><1.00
<br />0.64
<br />11/25/19
<br />16.01
<br />0.00
<br />-3.99
<br />-
<br />-
<br />-
<br />-
<br />-
<br />-
<br />-
<br />-
<br />0.42
<br />12/03/19
<br />-
<br />-
<br />-
<br />1,700
<br />52
<br />2.9
<br />5.6
<br />8.1
<br />65
<br />370
<br /><0.500
<br />-
<br />04/01/20
<br />15.18
<br />0.00
<br />-3.16
<br />2,100
<br />51
<br />3.2
<br />5.1
<br /><7.5
<br />52
<br />460
<br /><2.5
<br />0.11
<br />11/11/20
<br />16.93
<br />0.00
<br />-4.91
<br />4,000
<br />85
<br />7.3
<br />5.2
<br />15
<br />54
<br />510
<br /><0.5
<br />0.24
<br />odor
<br />05/04/21
<br />16.09
<br />0.00
<br />-4.07
<br />4,400
<br />67
<br />6.9
<br />2.2
<br />12
<br />47
<br />420
<br /><0.5
<br />0.32
<br />11/24/21
<br />16.51
<br />0.00
<br />-4.49
<br />3,100
<br />57
<br />4.6
<br />1.8
<br />9.6
<br />35
<br />390
<br /><0.5
<br />0.07
<br />05/05/22 Odor
<br />16.50
<br />0.00
<br />-4.48
<br />2,600
<br />60
<br />5.7
<br />1.6
<br />11
<br />33
<br />490
<br />1.3
<br />1.39
<br />11/30/22
<br />17.73
<br />0.00
<br />-5.71
<br />3,100
<br />93
<br />5.8
<br />1.9
<br />10
<br />38
<br />450
<br /><0.500
<br />0.49
<br />CMW-7B 02/04/08
<br />11.91
<br />19.12
<br />0.00
<br />-7.21
<br />240,000 33,000
<br />16,000
<br />19,000
<br />1,900
<br />10,000
<br />5,700
<br />860
<br /><5
<br />14
<br />-
<br />05/05/08
<br />19.21
<br />0.00
<br />-7.30
<br />82,000
<br />4,800
<br />20,000
<br />22,000
<br />1,300
<br />8,100
<br />6,200
<br />1,400
<br />110
<br />-
<br />08/04/08
<br />19.98
<br />0.00
<br />-8.07
<br />70,000
<br />5,900
<br />20,000
<br />22,000
<br />1,400
<br />6,700
<br />6,200
<br />920
<br /><10
<br /><10
<br />10/28/08
<br />20.91
<br />0.00
<br />-9.00
<br />130,000
<br />7,700
<br />29,000
<br />30,000
<br />2,700
<br />13,000
<br />7,000
<br />990
<br />130
<br /><50
<br />01/27/09
<br />20.92
<br />0.00
<br />-9.01
<br />130,000
<br />4,700
<br />26,000
<br />28,000
<br />1,900
<br />13,000
<br />5,600
<br />910
<br />5.0
<br /><5
<br />04/27/09
<br />19.68
<br />0.00
<br />-7.77
<br />150,000
<br />4,300
<br />24,000
<br />24,000
<br />1,900
<br />9,700
<br />5,300
<br />760
<br />87
<br /><25
<br />10/14/09
<br />20.94
<br />0.00
<br />-9.03
<br />140,000
<br />6,100
<br />20,000
<br />19,000
<br />1,600
<br />7,400
<br />-
<br />-
<br />-
<br />-
<br />05/24/10
<br />18.55
<br />0.00
<br />-6.64
<br />140,000
<br />7,900
<br />24,000
<br />27,000
<br />2,200
<br />10,000
<br />4,300
<br />790
<br />50 96
<br />100
<br /><25
<br />10/04/10
<br />12.00
<br />19.46
<br />0.00
<br />-7.46
<br />-
<br />-
<br />-
<br />-
<br />-
<br />-
<br />-
<br />-
<br />- -
<br />-
<br />-
<br />10/15/10
<br />-
<br />-
<br />-
<br />94,000
<br /><2,000
<br /><100
<br />17,000
<br />16,000
<br />1,200
<br />6,900
<br />4,200
<br />930 <40
<br />47 97 <400 <4,000
<br />67
<br />-
<br />04/04/11
<br />1
<br />17.31
<br />0.00
<br />-5.31
<br />1 -
<br />-
<br />-
<br />-
<br />-
<br />-
<br />-
<br />-
<br />- -
<br />- - - -
<br />-
<br />-
<br />0.90
<br />A Zone
<br />Stockton -charter way_comingles_plume_4g22.xlsm Page 40 of 116 Stantec
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