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VIII- ,2
Table 6. Expected net present vahle, for mining sylvite at a discount rate of 15 %
(millions of dollars)
Capital Cost
Scenario Combined Area WIPP Area Additional Study Area
no development cost
$5 million cost
new plant
50
40
-31
31
25
NR
47
38
NR
NR=Not run
Table 7. Expect net present values for mining langbeinite with no new developm':nt costs
and a discount rate of 15 %. (millions of dollars)
Mining Scenario Combined Area WIPP Area Additional Study area
Recovery 60 %; Mine height 6 ft
80%; Mine height 6 ft
90%; Mine height 4.5 ft
42
39
53
19
21
46
42
43
53
Table 8. Expected net present values of mining 1angbemite with $5 million in new
development cost and a discount ra' t 15 % (millions of dollars)
Mining Scenario
Combined Area
WIPP Ar
Additional Study area
Case 1
Case 2
Case 3
31
33
43
13
14
34
29
32
42
Table 9. Expected net present-values for mining langbeinite with a new plant and a
discount rate of 15% (millions of dollars).
Mining Scenario
Combined Area
WIPP Area
Additional Study area
Case 1
Case 2
Case 3
-28
-26
-13
NR
NR
NR
NR
NR
NR
NR-NOI run
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