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N <br /> N 22 1/2 W N 22 1/2 E <br /> N 45 W 45°E <br /> 0 <br /> N 67 1/2 W N 67 1/2°E <br /> W E <br /> S 67 1/20W S 67 1/20E <br /> ° <br /> S 45W S 45 E <br /> S 22 1/2'W S 22 1/2oE <br /> S <br /> FN 2055 RoseA <br /> EXPLANATION N Compass Direction <br /> Twenty—Five Data Points Shown <br /> Rose diagram developed by evaluating the groundwater gradient direction from <br /> the quarterly monitoring data Each circle on the rose diagram represents the <br /> number of monitoring events that the gradient plotted in that 22 1/2 degree sector <br /> For example, seven quarterly groundwater gradient directions are plotted between south 67 1/2 <br /> degrees west and south 45 degrees west Therefore, the dominant groundwater gradient <br /> direction as depicted by the rose diagram is between south 67 1/2 degrees west and <br /> south 45 degrees west <br /> GROUNDWATER FLOW DIRECTION PROJECT NO. <br /> ROSE DIAGRAM 2055 <br /> ERI AL TOSCO SERVICE STATION 5886 PLATE <br /> ALWSOL11770W AM 2701 West March Lane 4 <br /> Stockton, California 18 zoo" <br />