2011-03-30_REPORT - C1980005

• Permit No: C1980005
• IBM Index Class Name: REPORT
• Doc Date: 3/30/2011
• Doc Name: 2010 Revegetation Report
• From: Seneca Coal Company
• To: DRMS
• Permit Index Doc Type: Reveg Monitoring Report
• Email Name: JDM
• Media Type: D
• Archive: No

• Allowable Annual Cover 7.10
Actual Annual Cover (w/o noxious annuals) _ 1.13
L J
•
Non-allowable Annual Cover (zero in
calculations below if positive) 6.0
ALLOWABLE FIRST-HIT COVER
CALCULATION
Total First Hit Vegetation Cover 71.10
Noxious Weed Cover 0.07
Total Minus Noxious 71.03
Excess Non-allowable Annual Cover
Deduction - 0.0
Woody Plants - Not Allowed - 26.3
Mean Allowable Cover 44.73
Standard Deviation of Mean Allowable Cover 8,83
Sample Size 15
Minimum Adequate Sample Size 8
PHASE II BOND RELEASE BLOCK (TABLE 6-1, APPENDIX 6
ANNUAL DEDUCTION CALCULATION
Total First Hit Vegetation Cover 48.60
Noxious Weed Cover - 0.70
Total Minus Noxious 47.90
Allowable Annual Cover Limit X 0.1
Allowable Annual Cover 4.79
Actual Annual Cover (w/o noxious annuals) - 5.33
Non-allowable Annual Cover (zero in -0.54
calculations below if positive)
ALLOWABLE COVER CALCULATION
Total First Hit Vegetation Cover
Noxious Weed Cover
Total Minus Noxious
Excess Non-allowable Annual Cover Deduction
Woody Plants - Not Allowed
Mean Allowable Cover
Standard Deviation of Mean Allowable Cover
Sample Size
Minimum Adequate Sample Size
48.60
0.70
47.90
0.5
2.1
45.26
11.34
30
11
Assessment of BRB for Compliance with Phase 11 Performance Standards
Calculation of 90 percent of the cover performance standard appropriate for 2010 sampling is
demonstrated below and is based on the following information:
12