PERMFILE138818

• Permit No: C1981018
• IBM Index Class Name: Permit File
• Doc Date: 10/13/2004
• Doc Name: Post-Reclamation Refuse Area Runoff and Sedimentology Calculations
• Section_Exhibit Name: Illustration 49
• Media Type: D
• Archive: No

SEDCAD 4 for Windows
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This SedCAD run represents a conservative estimate of the runoff
and sediment generated from the portion of Refuse Area 2/3/4
draining to Pond 2/3 for 20 years fo/%wing reclamation, C factors
are from the in/tia/seeded state fo/%wing mulching, No credit
was given for p/ant growth or soi/ conso//dation beyond initial
values
Curve numbers and erosivity factors reflect the soi/s rep/aced on
the refuse area. Water qua/ity was mode%d using pond-fu//
scenario for purposes of demonstrating treatment instead of
storage of runoff per Section 4,O5,6(3)(a), Factors reflect
conservative assumptions throughout these ca/cu/ations, Actual
sediment yields are expected to be much lower than presented in
this mode/ based on prior o~'~~lfvns of the existing facilities,
Blue Mountain Energy, Inc.
3607 CR 65
Rangely, CO 81648
Phone: [phone]
Email: [e-mail]
Filename: RP-2-3 terrace -final wnfiguration.sc4 Printed 07-15-2004