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Permit Revision No.2 <br />Response to Adequacy Comments <br />Page 7 <br />2.04.7 and 2.05.6(3) <br />18. On page 2.04.7-1, the second paragraph under PHC is original permit text that is <br />included here for discussion purposes in the PHC revision. The text is very confusing <br />in its description of the important sampling locations below the Pond 008 outfall. This <br />text should not be changed because it is the original PHC text on page 7-247 of the <br />existing PAP but some clarification here would be helpful. Please insert an <br />explanation below the 2"d paragraph under Probable Hydrologic Consequences <br />(page 2.04.7-1) that clearly explains the location and importance of Sites SSFII and <br />SSF13. For example, "Pond 008 discharges to Bond Creek which flows into Fish <br />Creep Site SSF11 is the upstream sample site on Fish Creek above its confluence <br />with Bond Creek and SSF13 is the downstream sample site on Fish Creek below the <br />confluence with Bond Creep" <br />Response: The text has been revised as requested. <br />19. Substantial monitoring plan changes were approved for the adjacent Yoast and Seneca <br />II-W Mines in May 2010. The precise changes to the parameter lists for surface water <br />and groundwater are now being proposed for the Seneca 11 Mine. It would be helpful <br />to reference the Yoast and II-W revisions. In the last sentence of the 2"d paragraph <br />under Monitoring Plan please add the following: "...adjacent Seneca II-W Mine <br />(TR-69 approved May 2010 and Yoast Mine (TR-47 approved May 2010). <br />Response: The text has been revised as requested. <br />Attached are two (2) copies of the responses and updated materials, a third copy has been <br />sent to Dan Mathews. <br />Should you or any other member of the Division have questions regarding the information, <br />please contact me at (970) 276-5217. <br />Sincerel <br />Roy A. Karo <br />Reclamation Manager <br />Seneca Coal Company <br />enclosure(s) <br />cc: Dan Mathews (DRMS-GJ office) <br />Jennifer Maiola (BLM) <br />Carl Johnston (OSMRE) <br />Seneca Coal Company • P.O. Box 670 • Hayden, Colorado 81639 <br />Telephone (970) 276-5217 9 FAX (970) 276-5222