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TABLE 15 -5 (Cont.) <br />Surface Water Long Parameter List <br />Seneca Coal Company <br />Parameter Analysis Technique Units <br />Mercury Total ug /l <br />Nitrogen, Ammonia <br />Nitrogen, Nitrate <br />Nitrogen, Nitrite <br />Total <br />Dissolved <br />Dissolved <br />Direst Measurement <br />mg /l <br />mg /l <br />mg /l <br />PH <br />Petassium- <br />units <br />Selenium <br />Silver <br />Pat Dissolved <br />Potentially <br />ug /l <br />Sodium <br />Dissolved <br />Dissolved <br />U9/1 <br />Sodium Adeerpt }en Ratio <br />8alealated <br />S9/1 <br />Sulfate <br />Sulfide <br />Suspended Solids <br />Dissolved <br />Total <br />Total <br />anitless <br />mg /1 <br />mg /l <br />mg /l <br />Gatien mien— Balasee <br />Total Dissolved Solids at 180 °C <br />Total Dissolved Solids— caleulated <br />calealated <br />Dissolved <br />calealated <br />pereen � <br />mg /l <br />_.g�i <br />Parameters crossed out were suspended in 2010 TR 47. These parameters will be analyzed <br />again one year prior to final bond release. Also, the `Potentially Dissolved' analytical <br />technique will be changed to `Dissolved' as recommended by the CDPHE. <br />* if Colorado Water Quality Control Commission changes the required analytical technique <br />for iron (for aquatic life) from total recoverable to another technique, then Seneca Coal <br />Company will do likewise. <br />TR -47 17 Revised 4/10 <br />