2025-07-30_PERMIT FILE - C1981019 ‎(7)‎

• Permit No: C1981019
• IBM Index Class Name: Permit File
• Doc Date: 7/30/2025
• Section_Exhibit Name: Rule 4 Performance Standards -ST
• Media Type: D
• Archive: No

RULE 4 PERFORMANCE STANDARDS

South Taylor – Rule 4, Page 11 Revision Date: 7/21/25
Revision No.: MR-267

Field Trails

A full description of field trials that have occurred adjacent to the South Taylor Pit can be found in Volume 1,
Section 4.15.6.

4.15.8 Revegetation Success Criteria

The vegetation monitoring methods and statistical analyses for the demonstration of revegetation success,
vegetation cover, herbaceous production, and woody plant density are described in Volume 1, Sections 4.15.7
and 4.15.8. Refer to Section 2.04.10 of Volume 12 regarding vegetation reference areas applicable to the
South Taylor mine area.

4.15.9 Cropland Revegetation Success

None of the reclaimed land will be used as cropland; therefore, the requirements of this subsection are not
applicable.

4.15.10 Previously Mined Land Revegetation Success Criteria

Although portions of the South Taylor pit have been previously mined, the revegetation success criteria
established in 4.15.8 shall be used across the entire South Taylor pit.

4.16 POSTMINING LAND USE

4.16.1 General

Implementation of the detailed reclamation plan as presented in Section 2.05.5 will result in a landscape and
vegetative cover that is equal to or better than the pre-mining condition for rangeland use that currently exists
in the area.

4.16.2 Determining Use of Land

The pre-mining land uses for the mine and adjacent areas are shown on Map 17. The narrative describing the
land use of the South Taylor permit area is presented under Section 2.04.3. The post-mining land use will
involve the restoration of the pre-mining land use of rangeland, as described in Section 2.05.5.

4.16.3 Alternative Land Uses

The land use of rangeland will be restored in a timely manner as outlined in Section 2.05.4. Implementation
of the timetables contained therein will assure a successful reclamation program. No alternative land uses
will be implemented in the reclamation plan set forth under Section 2.05.4.

4.17 AIR RESOURCES PROTECTION

Please see Section 2.05.6 in Volume 1.

4.18 PROTECTION OF FISH, WILDLIFE, AND RELATED VALUES

As described in Section 2.04.11, no threatened or endangered species are known to utilize the habitats present
in the permit area; however, it is unlikely that any impact will occur with respect to those threatened and
endangered species which are known to occur in the region. No critical habitat for any species is known to