ARCHIVED REPORTS_GROUNDWATER MONITORING AND PROGRESS REPORT 4TH QUARTER 2011

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Project No.59183-06-03 January 30,2012 Page 17 of 32 TABLE I SUMMARY OF GROUNDWATER ELEVATION AND ANALYTICAL DATA-TPHg,BTEX,MTBE AND ETHANOL FORMER VINTAGE CAR WASH 601 EAST MINER AVENUE STOCKTON,CALIFORNIA a c o E d u o c u m h c U o v y w c op 2 9 6 5 N m A 0 3 � a v 'o U � 3 3 h w p p W c` w O All results in micrograms per liter(pgA) MW-7 11.73 30 to 60 05/27/08 Well inaccessible MW-7 11.73 30 to 60 0825/08 27.61 0 -15.88 <50 <0.50 <0.50 <0.50 <0.50 Q.0 <50 MW-7 11.73 30to60 11/10/08 28.43 0 -16.70 <50 <0.50 <0.50 <0.50 <0.50 <1.0 <50 MW-7 11.73 30 to 60 01/08/09 28.68 0 -16.95 <50 <0.50 <0.50 <0,50 <2.0 <1.0 <50 MW-7 11.73 30 to 60 02/09/09 28.60 . 0 -16.87 <50 <0.50 <0.50 <0.50 <2.0 <1.0 <50 MW-7 11.73 30 to 60 02/17/09 28.59 0 -16.86 NS NS NS NS NS NS NS MW-7 11.73 30 to 60 0223/09 28.50 0 -16.77 NS NS NS NS NS NS NS MW-7 11.73 30 to 60 03/02/09 28.34 0 -16.61 NS NS NS NS NS NS NS MW-7 11.73 30 to 60 03/09/09 28.25 0 -16.52 <50 <0.50 <0.50 <0.50 <2.0 <1.0 <50 MW-7 11.73 30 to 60 03/17/09 28.22 0 -16.49 NS NS NS NS NS NS NS MW-7 11.73 30 to 60 0323/09 28.22 0 -16.49 NS NS NS NS NS NS NS MW-7 11.73 30 to 60 03/30/09 28.19 0 -16.46 NS NS NS NS NS NS NS MW-7 11.73 30to60 04/15/09 28.19 0 -16.46 <50 0.57 <0.50 <0.50 Q.0 <1.0 <50 MW-7 11.73 30 to 60 05/11/09 Well inaccessible MW-7 11.73 30 to 60 0622/09 28.05 0 -16.32 NS NS NS NS NS NS NS MW-7 11.73 30 to 60 09/08/09 28.79 0 -17.06 NS NS NS NS NS NS NS MW-7 11.73 30 to 60 01/04/10 29.68 0 -17.95 <50 <0.50 <0.50 <0.50 <2.0 <L0 <50 MW-7 11.73 30 m 60 06/07/10 Well inaccessible MW-7 11.73 30 to 60 08/17/10 Well inaccessible MW-7 11.73 30 to 60 12/02/10 28.25 0 -16.52 <50 <0.50 <0.50 <0.50 <2.0 <1.0 <50 MW-7 11.73 30 to 60 0228/11 27.16 0 -15.43 NS NS NS NS NS NS NS MW-7 11.73 30 to 60 05/18/11 25.99 0 -14.26 NS NS NS NS NS NS NS MW-7 11.73 30 to 60 09/28/11 26.01 0 -14.28 NS NS NS NS NS NS NS