TABLE OF CONTENTS (continued) 



Page 



Table 1 - 1988 Operating Statistics for Generating Units No. 1 



and No. 2 4 



2 - Simultaneous Streamflow Measurement Results 7 



3 - Cookson Reservoir Storage Statistics for 1988 8 



4 - Recommended Water Quality Objectives and Excursions, 



1988 Sampling Program, East Poplar River 



at the International Boundary 16 



5 - 1986 Monthly Pumpages from Mine Dewatering Activities . . 20 



6 - Poplar River Power Station Ash System, 1988 Calculated 



Seepage Rates 32 



7 - Sulfation Rate of Sulfur Trioxide in Milligrams per 100 



Square Centimeters per Day at Five Locations During 



1988 38 



Figure 1 - Discharge During 1988 Compared with Median Discharge for 



1951-1980 for Poplar River at International Boundary. . 6 



2 - Hydrograph of Water Discharge of the East Poplar River at 



the International Boundary and Recommended Minimum 



Flow 9 



3 - 1988 Total Dissolved Solids Grab Sample Data, East Poplar 



River at International Boundary 11 



4 - Total Dissolved Solids Three-Month Moving Flow-Weighted 



Concentration, East Poplar River at International 



Boundary 12 



5 - Total Dissolved Solids Five-Year Moving Flow-Weighted 



Concentration, East Poplar River at International 



Boundary 12 



6 - 1988 Boron Grab Sample Data, East Poplar River at 



International Boundary 13 



7 - Boron Three-Month Moving Flow-Weighted Concentration, East 



Poplar River at International Boundary 15 



8 - Boron Five-Year Moving Flow-Weighted Concentration, East 



Poplar River at International Boundary 15 



9 - Cone of Depression In the Hart Coal Seam from Dewatering 



Activities as of December, 1988 22 



10 - Water Levels of Two Selected Wells in the United States . 23 



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