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2 <br />and, additionally, baseline and operational statistics are calculated for all data <br />prior to the reporting period. <br />During the tenth operational quarter, nine ground water monitoring wells, <br />1) Well 21-4U <br /> a. Barium <br />2) Well 21-3U <br /> a. Barium <br />3) Well 20-5 <br /> a. Phosphorus <br />4) Well 21-3A <br /> a. Phosphorus <br />5) Well 21-4A <br /> a. Barium <br /> b. Boron <br /> c. Chloride <br /> d. Fluoride <br /> e. Phosphorus <br />6) Well 29-3 <br /> a. Barium <br />7) Well 19-2 <br /> a. Barium <br />8) Well 29-4B <br /> a. Phosphorus <br />9) Well 20-9 <br /> a. Barium <br /> b. Phosphorus <br />indicate values that exceed either the Numeric Protective Level (NPL) or the <br />Early Warning Indicator (EWI) level established under the IVILRB 112 permit. <br />Charts of this data are presented in the following pages for reference. <br />Generally, the outlying data fluctuates very little from the NPL or EWI. The <br />variations observed are similar to natural phenomenon and the variability is not <br />consistently trending in one direction nor does it generally correspond with other <br />outlying indicator constituents with the exception of Well 21-4A. <br />Well 21-4A flags for five parameters during the reporting period. The variations <br />in constituent concentrations for this well are as follows: