2010-08-25_REVISION - C1981008

• Permit No: C1981008
• IBM Index Class Name: Revision
• Doc Date: 8/25/2010
• Doc Name: Adequacy Review No. 5
• From: DRMS
• To: Western Fuels-Colorado
• Type & Sequence: PR6
• Email Name: MLT
• Email Name: SB1
• Media Type: D
• Archive: No

C -1981 -008
PR -06 AR #5
August 25, 2010
Page 10 of 26
Rule 2.05.3 (4) — Ponds impoundments, other treatment facilities and diversions
22. -25. Previously resolved.
26. This item requested that corrections be made to the labeling of certain Attachments to Section
2.05.3(3). Item Resolved
27 -29. Previously resolved.
Rule 2A5.4(2)(c) Backfilling and Grading Plan
30 -35. Previously resolved.
36. a. Previously resolved.
b. This item requested that the locations of any temporary overburden stockpiles be delineated
on Map 2.05.4 -1 -2. This item was not addressed in the adequacy response, but WFC
subsequently stated verbally that no temporary stockpiling of overburden would occur. Item
Resolved.
c. Previously resolved.
37. Map 2.05.4 -1
a. The Division requested that the horizontal scale of the cross sections be adjusted from 1" =
350' to 1" = 400'. WFC provided the Division with an electronic version of Map 2.05.4 -1 on
August 19th, verifying that the horizontal scale of the cross sections has been changed as
requested. Hard copies of the map, sealed as required by the Rules, will be provided with the
final approved submittal. Item Resolved
b -c. Previously resolved.
38. Previously resolved.
Rule 2.05.3 (5) To soil Removal and Stora e• Rule 2.05.4(2)(d) Reclamation Plan for Removal
Storage and Redistribution of Topsoil and Subsoil
39A. a. This item requested additional changes to new Map 2.05.4 -6.
i. This item requested that the note beneath Table A be revised to include a description of
where, and in which Zone, any excess topsoil will be distributed. Item Resolved
ii. This item requested clarification of topsoil salvage loss and replacement volumes
represented in Tables B and C. WFC has explained that the 93% topsoil salvage rate was
applied only to the Lift A and Lift B Topsoil that had yet to be stripped. The Division
suggests that topsoil volume calculations as presented in Table B would be better
understood with the following changes:
For 2010 Lift A, please replace the 31,593 CY with 29,382 CY, which changes the
total to 175,719 CY, and delete "(100% recovery) ".