TABLE IB
<br />ADDITIONAL CUMULATIVE GROUNDWATER MONITORING AND SAMPLING DATA
<br />Former Mobil Service Station 99CAS
<br />75 E. Alpine Avenue
<br />Stockton, California
<br />(Page 1 of 6)
<br />Well
<br />Sampling
<br />❑IPE
<br />ETRE
<br />TAME
<br />TBA
<br />1,2 -DCA
<br />E0B
<br />Ethanol
<br />Methanol
<br />ID
<br />Date
<br />(pg,'Ll
<br />(ug!L)
<br />(}x}IL)
<br />(fag/L)
<br />(Ng/L)
<br />(}ig/L)
<br />(pg/L)
<br />MW1
<br />03/26/07
<br /><20
<br /><20
<br /><20
<br /><20
<br />11
<br /><20
<br /><100
<br /><100
<br />MW1
<br />MW1
<br />06/28/07
<br /><20
<br /><20
<br /><20
<br /><20
<br />8.7
<br /><20
<br /><100
<br /><100
<br />M W 1
<br />09/12/07
<br /><20
<br /><20
<br /><20
<br /><20
<br />7.2
<br /><20
<br /><100
<br /><100
<br />MW1
<br />11/26/07
<br /><20
<br /><20
<br />0.61
<br /><20
<br />6.6
<br /><20
<br /><100
<br /><100
<br />MW1
<br />02/28/08
<br /><10.0
<br /><10.0
<br /><0.500
<br /><10.0
<br />8.14
<br /><10.0
<br /><100
<br /><5,000
<br />MW1
<br />05/29/08
<br /><10.0
<br /><10.0
<br /><0.500
<br /><10.0
<br />6.22
<br /><10.0
<br /><100
<br />41,800
<br />MW1
<br />08/27/08
<br /><20
<br /><20
<br /><0.50
<br /><20
<br />3.1
<br /><20
<br /><100
<br /><100
<br />MW1
<br />11/13/08
<br /><20
<br /><20
<br /><0.50
<br /><20
<br />4.0
<br /><20
<br /><100
<br /><100
<br />01/28/09
<br />3.1j
<br /><0.50
<br /><0.50
<br />3.1j
<br />4.1
<br />3.1j
<br /><50
<br /><100
<br />MW1
<br />04/29/09
<br />2.2j
<br /><0.50
<br /><0.50
<br />2.2j
<br />3.9
<br />2.2j
<br /><50
<br /><100
<br />MW1
<br />07/14/09
<br /><10
<br /><10
<br /><0.50
<br /><10
<br />3.6
<br /><10
<br /><50
<br /><100
<br />MW1
<br />10/28/09
<br /><10
<br /><10
<br /><0.50
<br /><10
<br />7.9
<br /><10
<br /><50
<br /><100
<br />MW1
<br />01/25/10
<br /><10
<br /><10
<br /><0.50
<br /><10
<br />8.2
<br /><10
<br /><50
<br /><100
<br />MW1
<br />04/07/10
<br /><0.50
<br /><0.50
<br /><0.50
<br /><10
<br /><0.50
<br /><0.50
<br /><50
<br /><100
<br />MW1
<br />08/10/10
<br /><0.50
<br /><0.50
<br /><0.50
<br />4.2'
<br />1
<br />< 0.50
<br /><0.50
<br /><50
<br /><100
<br />MW1
<br />10/06/10
<br /><0.50
<br /><0.50
<br /><0.50
<br /><10
<br /><0.50
<br /><0.50
<br /><50
<br /><100
<br />MW1
<br />02/09/11
<br /><0.50
<br /><0.50
<br /><0.50
<br />7,4c'
<br />1
<br />5.8
<br /><0.50
<br /><50
<br /><100
<br />MW1
<br />05/18/11
<br /><0.50
<br /><0.50
<br /><0.50
<br /><5.0
<br />1.5
<br /><0.50
<br />MWI
<br />09122111
<br /><0.50
<br /><0.50
<br /><0.50
<br /><5.0
<br />1.4
<br /><0.50
<br />-
<br />-
<br />MW2
<br />03/26/07
<br /><20.000
<br /><20,000
<br /><20,000
<br /><20,000
<br /><20,000
<br /><20,000
<br /><100.000
<br /><1,000
<br />MW2
<br />06/28/07
<br /><100
<br /><100
<br /><100
<br /><4,000
<br />120
<br /><100
<br /><20,000
<br /><1,000
<br />MW2
<br />09/12/07
<br /><120
<br /><120
<br /><120
<br /><5,000
<br />130
<br /><120
<br /><25,000
<br /><100
<br />MW2
<br />11/26/07
<br /><250
<br /><250
<br /><250
<br /><10,000
<br /><250
<br /><250
<br /><50,000
<br /><100
<br />MW2
<br />02/28/08
<br /><0.500
<br /><0.500
<br /><0.500
<br />497
<br /><0.500
<br /><0.500
<br /><100
<br /><5,000
<br />MW2
<br />05/29/08
<br /><0.500
<br /><0.500
<br /><0.500
<br />266
<br /><0.500
<br /><0.500
<br /><100
<br /><5,000
<br />MW2
<br />08/27/08
<br /><10
<br /><10
<br /><10
<br /><400
<br /><10
<br /><10
<br /><2,000
<br /><1,000
<br />MW2
<br />11/13/08
<br /><25
<br /><25
<br /><25
<br /><1,000
<br /><25
<br /><25
<br /><5,000
<br /><1,000
<br />MW2
<br />01 /28/09
<br /><50
<br /><50
<br /><50
<br /><1,000
<br /><50
<br /><50
<br /><5, 000
<br /><100
<br />MW2
<br />04/29/09
<br /><500
<br /><500
<br /><500
<br /><10,000
<br /><500
<br /><500
<br /><50,000
<br /><100
<br />MW2
<br />07/14/09
<br /><500
<br /><500
<br /><500
<br /><10,000
<br /><500
<br /><500
<br /><50,000
<br />270
<br />MW2
<br />10/28/09
<br /><500
<br /><500
<br /><500
<br /><10,000
<br /><500
<br /><500
<br /><50,000
<br /><100
<br />MW2
<br />01 /25/10
<br /><250
<br /><250
<br /><250
<br /><5, 000
<br /><250
<br /><250
<br /><25.000
<br /><100
<br />MW2
<br />04/07/10
<br /><250
<br /><250
<br /><250
<br /><5,000
<br />-
<br />-
<br /><25,000
<br /><100
<br />MW2
<br />08/10/10
<br /><250
<br /><250
<br /><250
<br /><5,000
<br />-
<br />-
<br /><25,000
<br /><100
<br />MW2
<br />10/06/10
<br /><250
<br /><250
<br /><250
<br /><5,000
<br />-
<br />-
<br /><25,000
<br /><100
<br />MW2
<br />02/09/11
<br /><100
<br /><100
<br /><100
<br /><2,000
<br /><100
<br /><100
<br /><10,000
<br /><100
<br />MW2
<br />05/19/11
<br /><50
<br /><50
<br /><50
<br /><500
<br /><50
<br /><50
<br />-
<br />_
<br />MW2
<br />09122/11
<br /><50
<br /><50
<br /><50
<br /><500
<br /><50
<br /><50
<br />-
<br />-
<br />MW3
<br />03/26/07
<br /><1,000
<br /><1,000
<br /><1,000
<br /><1,000
<br /><1,000
<br /><1,000
<br /><5,000
<br /><100
<br />MW3
<br />06/28/07
<br /><20
<br /><20
<br /><20
<br /><20
<br />2.7
<br /><20
<br /><100
<br /><100
<br />MW3
<br />09/12/07
<br /><20
<br /><20
<br /><20
<br /><20
<br />3.5
<br /><20
<br /><100
<br /><100
<br />
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