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<br /> <br />London Mountain Clean Up <br />July 2025 <br /> <br /> <br />T-1 <br />Exhibit T Designated Mining Operation <br /> Environmental Protection Plan <br />1. Environmental Protection Plan <br />The London Mountain Clean Up Limited Impact 112D Designated Mining Operation consists of <br />removing pre-law mine waste from claims throughout the Mosquito Gulch drainage. This 112D permit <br />represents a strategic expansion of the London Mine's successfully approved 110D permit (approved <br />November 2023, included as Appendix 1). This Environmental Protection Plan builds upon the proven <br />and effective Environmental Protection Plan established under the 110D permit (located in Exhibit U of <br />Appendix 1), extending those same protections to address the additional scope of work authorized <br />under the 112D permit. All environmental protection measures from the original 110D permit remain <br />fully intact and unchanged. This application incorporates and preserves all information from the <br />approved London Mine 110D permit, ensuring continuity of established environmental safeguards while <br />expanding their application to the broader project area (complete 110D documentation provided in <br />Appendix 1). <br />Pursuant to regulation, this pre-law mine waste is considered to potentially contain toxic or acid-forming <br />material when exposed or disturbed, resulting in this mine cleanup operation being considered a <br />designated mining operation. No chemicals will be used, stored, handled, exposed, disturbed or <br />disposed of within the permit area. The focus is not mining native material but rather cleaning up waste <br />that has remained excavated and piled on the site’s natural ground since prospecting and mining in the <br />region, beginning over a hundred years ago. The site itself is located in Park County, situated in the <br />heart of the Colorado Mineral Belt. <br />The environmental protection approach for this operation recognizes the significant environmental <br />benefits that will result from the proper cleanup and processing of these materials. All material handling <br />procedures have been designed to minimize environmental impact while ensuring the complete <br />removal of potentially contaminated materials from their current locations. The operation will follow <br />stringent protocols that prioritize environmental protection through careful excavation, immediate <br />transportation of potentially harmful materials, and comprehensive site restoration. <br />Material excavation procedures require that all material be removed from pile areas to at least six <br />inches below the natural grade or bedrock depth, whichever is less. This depth requirement ensures <br />complete removal of any potentially contaminated material while providing a stable foundation for <br />reclamation activities. No potentially acid-forming waste pile material may be stockpiled at the waste <br />pile location once it has been excavated from its original source, as all such material must be <br />immediately hauled to the London Mine 110D for further processing. All hauled waste material will be <br />transported via haul trucks following designated transportation routes that have been selected to <br />minimize impact on local communities and sensitive environmental areas.