REP23289

• Permit No: C1980006
• IBM Index Class Name: Report
• Doc Date: 9/25/2006
• Doc Name: 2006 Revegetation Monitoring Report /Year 10
• From: Energy Fuels Coal Inc
• To: DRMS
• Permit Index Doc Type: Reveg Monitoring Report
• Media Type: D
• Archive: No

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Table 2,
Marc Mine
Sample Adequacy Calculations

Site # Samples
Co1leMed Mean Standard
Deviation Nm
90/10 Nm Using
Reverse
NuII
Big Sagebrush Reference Area
Total Plant Cover (%) 15 35.13 7.22 7.6
Total Herbaceous Production (g/1/4mZ) 30 8.67 5.22 62.2 30

Alkali Sagebrush Reference Area
Total Plant Cover (%) 15 31.00 5.90 6.6
Total Herbaceous Production (g/1/4mZ) 30 5.71 1.70 15.3

Pre-1986 Reclamation
Total Plant Cover (%) IS 39.33 9.71 11.0
Total Herbaceous Production (g per 1/4mZ) 30 22.10 10.22 36.77 30
Shrub Density (# per 100mZ) 30 59.27 53.63 62.5

1995 Reclamation
Total Plant Cover (%) 15 38.13 8.62 9.2
Total Herbaceous Production (g per 1/4mZ) 30 19.18 9.18 39.4 30
Shrub Density (# per 100mZ) 30 171.23 111.13 32.2 30

1996 Reclamation
Total Plant Cover (%) IS 38.13 8.76 9.5
Total Herbaceous Production (g per 1/4mZ) 30 21.31 14.34 77.8 30
Shrub Density (# per 100mZ) 30 85.40 108.74 123.8 30
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