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ATTACHMENT B <br />Analytical Results for Cooling Towers Blowdown Samples <br />Sampling Dates: 26 April. 22 May, 14 June, and 16 September, 1991 <br />Tower B-801 Tower B -836A Tower B-865 <br />Design Blowdown <br />Flow Rate (gpd) 4,300 2,150 24,000 <br />Measured Blowdown <br />Flow Rate (gpd) <br />average <br />2,674 <br />1,114 <br />11,912 <br />maximum <br />4,231 <br />1,233 <br />19,080 <br />Temperature (°F) <br />minimum <br />65 <br />70 <br />45 <br />maximum <br />75 <br />77 <br />74 <br />pH (pH units) <br />average <br />8.90 <br />8.83 <br />8.86 <br />maximum <br />9.08 <br />8.97 <br />9.04 <br />Total Dissolved <br />Solids (TDS) (mg/1) <br />average <br />1,833 <br />1,567 <br />1,700 <br />maximum <br />2,000 <br />1,600 <br />1,800 <br />