PERMFILE124120

• Permit No: C1981010A
• IBM Index Class Name: Permit File
• Doc Date: 7/26/2002
• Doc Name: Rangeland, Cropland, Wildlife Mitigation & Air Pollution Control Plan
• From: pages 4-101 to 4-171
• Section_Exhibit Name: 4.4 through 4.7
• Media Type: D
• Archive: Yes

Table 4.46. Production Standard for each rarge site based upon the lower confidence
• limit of each historic mean.
Ranqe site A
Year x annual ams/m2
1979 41.71 _
1980 73.44 y = x - t n_1, a .05 (Sx)
1981 81.05 y = 82.96 - (2.447) (8.04)
1982 109.98 y = 62.39 gms/m2
1983 89.60
1984 95.23 Standard
1985 83.40
_
Z For each of the last two consecutive years of the period of responsi-
2
x = 82.06 Sx = S
/n bility, herbaceous production must be 262.39 gms/m
(95°h confident
s 2 = 452.512 that the true mean of the premine area is greater than or equal to
n = 7 62.39 gms/m~.
sx = 6.04
Ranqe site B
Year x annual gms/m2
1979 21.29
1980 50.97 y = x - t n_1 a .OS (Sx)
1981 55.53 y = 62.24 - (2.497) (8.07)
• 1982 77.00 y = 42.49 gms/mz
1983 75.50
1984 80.13 Standard
1985 75.28
_ For each of the last two consecutive years of the period of responsi-
x = 62.24 bility, herbaceous production must be 242.49 gms/mz (95% confident
sz = 455.863 that the true mean of the premine area is greater than or equal to
n = 7 42.49 gms/m~.
sX = 8.07
Ranqe site C
Year x annual ams/m2
1979 35.79
1980 64.80 y = x - t n_1 a .OS (Sx)
1981 56.52 y = 84.04 - (2.447) (14.95)
1982 64.08 y = 47.46 gms/m2
1983 136.24
1984 135.84 Standard
1985 95.02
_ For each of the last two consecutive years of the period of responsi-
x = 84.04 bility, herbaceous production must be 247.46 gms/mZ (95% confident
s2 = 1563.836 that the true mean of the premine area is greater than or equal to
n = 7 47.46 gmslm~.
sX = 14.95
• IHBHlb 5/87 Retyped 5/951
4-111
Revision: Tn-~ I
Approved: Z/~'8' 9II