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TABLE 10a (cont.) <br />Surface Water Parameter New Long List <br />Seneca Coal Company <br />Parameter Analysis Technique Units <br />Mercury <br />Total <br />ug/l <br />Nickel - <br />Peten-tially Dissolved <br />"g{I <br />Nitrogen, .Ammonia <br />Total <br />mg/l <br />Nitrogen, Nitrate <br />Dissolved <br />mg/l <br />Nitrogen, Nitrite <br />Dissolved <br />mg/l <br />Selenium Poten+-iffy Dissolved ug/1 <br />Silver Petenti d Ugf, <br />Parameters crossed out were suspended in 2010 TR 69. 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 />Page A-23 <br />Galeu fated <br />unitless <br />Sulfate <br />Dissolved <br />mg/l <br />Sulfide <br />Total <br />mg/l <br />Suspended Solids <br />Total <br />mg/1 <br />Zi <br />©tert'a.11y Dissolved <br />Cation -/Amon -valance <br />- Caleu -hate <br />Total Dissolved Solids at 180'C <br />Dissolved <br />mg/1 <br />Total Dissolved Solids Calculated <br />Calculate <br />Mg /, <br />Parameters crossed out were suspended in 2010 TR 69. 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 />Page A-23 <br />