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TABLE 1C <br />ADDITIONAL CUMULATIVE GROUNDWATER MONITORING AND SAMPLING DATA - METALS <br />Former Mobil Service Station 99CAS <br />75 E. Alpine Avenue <br />Stockton, California <br />(Page 1 of 3) <br />Weil Sampling Arsenic Cadmium Lead Selenium Thallium Antimony <br />ID Date (Ng/L) (u9/L) (ug/L) (N9/L) (u9/L) (Ng/L) <br />M W 1 <br />03/26/07 <br />24 <br />1.3 <br />10 <br />1.4 <1.0 <1.0 <br />M W 1 <br />11/26/07 <br />21 <br />1.1 <br />13 <br /><2.5 --- --- <br />M W 1 <br />02/28/08 <br />26.7 <br /><1.00 <br />10.0 <br /><2.00 --- - <br />MW1 <br />05/29/08 it <br />13.3 <br /><1.00 <br /><2.00 <br /><2.00 --- <br />M W 1 <br />08/27/08 <br />23 <br />1.7 <br />15 <br />2.9 --- <br />MW1 <br />11/13/08 <br />16 <br />0.71 <br />7.6 <br />3.3 - <br />M W 1 <br />01/28/09 <br />17.1f <br />0.361 f,j <br />20.0 <br />7.66 --- <br />M W 1 <br />04/29/09 <br />21.5 <br />0.460 <br />11.0 <br />1.90 <br />MW 1 <br />07/14/09 <br />16.4 <br />6.56 <br />169 <br />1.79 <br />M W 1 <br />10/28/09 <br />16.4 <br />6.25 <br />210 <br />1.09 --- - <br />M W 1 <br />01/25/10 <br />11.8 <br />3.62 <br />104 <br />0.705] --- - <br />MW 1 <br />04/07/10 <br />16.7 <br />2.16 <br />22.8 <br /><1.00 <br />M W 1 <br />08/10/10 <br />21.4 <br />1.42 <br />34.2 <br />1.39 --- <br />MW 1 <br />10/06/10 <br />20.7 <br />0.553] <br />22.5 <br />0.673j <br />MwIl <br />02/09/11 <br />17.5 <br />0.787] <br />20.4 <br /><1.00 --- - <br />M W1 <br />05/18/11 <br />11.7 <br /><10.0 <br /><10.0 <br /><15.0 --- <br />MW2 <br />06/28/07 <br />13 <br /><0.25 <br /><0.50 <br />3.6 - <br />MW2 <br />09/12/07 <br />18 <br /><0.25 <br /><0.50 <br />3.7 <br />MW2 <br />11/26/07 <br />34 <br /><0.25 <br />4.1 <br />2.8 <br />MW2 <br />02/28/08 <br />33.2 <br /><1.00 <br />23.3 <br /><2.00 <br />MW2 <br />05/29/08 Ir <br />11.8 <br /><1.00 <br /><2.00 <br /><2.00 <br />MW2 <br />08/27/08 <br />47 <br />1.5 <br />15 <br />7.5 <br />MW2 <br />11/13/08 <br />35 <br />0.44 <br />10 <br />6.3 <br />MW2 <br />01/28/09 <br />28.8f <br />1.24f,j <br />36.5 <br />9.06 --- <br />MW2 <br />04/29/09 <br />29.3 <br />0.407] <br />9.33 <br />1.11 --- --- <br />MW2 <br />07/14/09 <br />28.3 <br />0.727j <br />14.3 <br />5.06 --- <br />MW2 <br />10/28/09 <br />35.7 <br />3.14 <br />110 <br />3.58 <br />MW2 <br />01/25/10 <br />20.4 <br />3.82 <br />100 <br />2.63 <br />MW2 <br />04/07/10 <br />20.1 <br />2.10 <br />41.5 <br />2.27 <br />MW2 <br />08/10/10 <br />33.6 <br />0.905] <br />17.2 <br />5.19 <br />MW2 <br />10/06/10 <br />34.5 <br /><1.00 <br />10.1 <br /><1.00 <br />MW2 <br />02/09/11 <br />32.3 <br /><1.00 <br />4.09 <br /><1.00 <br />MW2 <br />05/19/11 <br />30.0 <br /><10.0 <br /><10.0 <br /><15.0 --- <br />MW3 <br />06/28/07 <br />7 <br />0.57 <br /><0.50 <br /><1.0 --- --- <br />MW3 <br />09/12/07 <br />12 <br /><0.25 <br />3.4 <br /><1.0 <br />MW3 <br />11 /26/07 <br />21 <br />1.2 <br />21 <br /><2.5 <br />MW3 <br />02/28/08 <br />27.2 <br /><1.00 <br />17.5 <br /><2.00 <br />MW3 <br />05/29/08 li <br />9.26 <br /><1.00 <br /><2.00 <br /><2.00 --- --- <br />MW3 <br />08/27/08 <br />19 <br />0.74 <br />9.5 <br /><2.5 <br />MW3 <br />11/13/08 <br />22 <br />0.29 <br />5.8 <br /><2.5 --- --- <br />