2009-01-02_REVISION - C1980005

• Permit No: C1980005
• IBM Index Class Name: REVISION
• Doc Date: 1/2/2009
• Doc Name: Adequacy Review
• From: DRMS
• To: Seneca Coal Company
• Type & Sequence: SL3
• Email Name: DTM
• Media Type: D
• Archive: No

DRMS Table 3. Seneca II BRB-4 2006 Cover Data
Bond Release Application SL-3
Transect Total Veg Shrub Herb Noxious Ann/Bi Ann/B[ BRAR BRAR CYOF CYOF
Cov% Cov% Cov% Cov% Cov% RelCov% Cov% RelCov% Cov% RelCov%
1 24 1 23 2 5 20.8 1 4.2 1 4.2
2 57 5 52 0 0 0.0 0 0.0 0 0.0
3 33 0 33 0 23 69.7 0 0.0 0 0.0
4 45 1 44 0 5 11.1 0 0.0 0 0.0
5 40 0 40 0 6 15.0 0 0.0 0 0.0
6 37 0 37 0 12 32.4 0 0.0 0 0.0
7 19 0 19 0 2 10.5 0 0.0 0 0.0
8 37 2 35 2 8 21.6 1 2.7 1 2.7
9 42 0 42 11 26 61.9 9 21.4 2 4.8
10 61 0 61 0 0 0.0 0 0.0 0 0.0
11 55 0 55 2 2 3.6 0 0.0 2 3.6
12 29 0 29 0 10 34.5 0 0.0 0 0.0
13 29 1 28 0 9 31.0 0 0.0 0 0.0
14 38 0 38 4 14 36.8 2 5.3 2 5.3
15 35 4 31 1 2 5.7 1 2.9 0 0.0
16 18 0 18 0 5 27.8 0 0.0 0 0.0
17 22 0 22 1 9 40.9 1 4.5 0 0.0
18 23 0 23 0 4 17.4 0 0.0 0 0.0
19 22 0 22 0 3 13.6 0 0.0 0 0.0
20 19 0 19 0 0 0.0 0 0.0 0 0.0
21 37 1 36 1 10 27.0 0 0.0 1 2.7
22 29 1 28 0 7 24.1 0 0.0 0 0.0
23 32 1 31 0 5 15.6 0 0.0 0 0.0
24 30 2 28 3 2 6.7 3 10.0 0 0.0
Sample Mean 33.9 0.8 33.1 1.1 7.0 22.0 0.8 2.1 0.4 1.0
Sample StDev 11.9 1.3 11.6
Nmin 22 482 21
n 24 24 24
SCC Stats as listed in SL-3 narrative or 2006 Annual Report.
Total Veg Cover% Sample Mean 33.9 Used in Sample Adq. Formula
Total Veg Cover% Sample StDev 11.9 Used in Sample Adq. Formula
Herbaceous Cover% Sample Mean 33.1
Herbaceous Cover% Sample StDev Not Listed
Noxious Cover% Sample Mean 0.75% deleted from herb cover
Excess Annual/Biennial Cover Deleted 3.6%; appropriate based on DRMS check
Allowable Herb Cov% for Success Comparison 33.1-3.6 an/bi, minus 0.75 noxious = 28.8*
*Cyof 0.4% deleted as an/bi excess; Brar 0.75% as nox (as explained in 2006 Annual Report).