REV88548

• Permit No: C1981038
• IBM Index Class Name: Revision
• Doc Date: 11/2/1998
• Doc Name: Letter & Application
• From: J.E. Stover & Associates
• To: DMG
• Type & Sequence: TR29
• Media Type: D
• Archive: No

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SEDIMENT POND WATER BALANCE

Receives Capacity Excess Excess
(acre-ft) (acre-ft) (acre-ft) Destination
POND #1
Sediment 0.38 0.15 0.23
Runoff 0.63 0.55 0.08 POND #2

POND #2
Sediment 0.18
From Pond #1 0.23 0.11 0.30
Runoff 0.33
From Pond #1 0.08 0.40 0.01 POND #3

EXPANDED WASTE AREA POND
Sediment 0.86 0.75 0.11
Runoff 1.61 0.96 0.65 POND #3

POND #3
Sediment - 0.11
From Pond 2 0.30
From Was[e Area Pond 0.11 0.29
Runoff
From Pond 2 0.01
From Waste Area Pond 0.65 0.41 0.26 POND #4

POND #4
Sediment -
From Pond 3 0.29 0. I 1 0.18
Runoff
From Pond 3 0.26 0.41 0.00

Notes:
1. Sediment may have to be removed from ponds more often then annually.
2. Waste area pond is to be expanded prior to the construction of the east ridge gob pile.
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