Laserfiche WebLink
Natural Soda LLC 2024 Project Status Report & Annual Plan of Development <br /> 12 January 2025 <br />o 18H-IR-W MIT P2 (initial) will be conducted, as appropriate following <br />connection of the well with the 18H-1V well in 2025. <br /> <br />3.2.4. EPA Notification – Schedule of Planned Surface Subsidence <br />Monuments (SSM) Survey (Confidential) <br />• NS will conduct the biennial surface subsidence monument survey in the <br />second quarter of 2025. The results will be reported in section 4.4.2 of the <br />annual report in January of 2026 in accordance with UIC Permit C030358- <br />00000 requirements. <br /> <br />3.2.5. EPA Notification – Schedule of Planned Subsurface <br />Subsidence Monitor Well (SSMW) Logging (GR/CCL) <br />(Confidential) <br />• Per EPA UIC Permit C030358-00000 requirements; routine subsurface <br />subsidence monitor well (SSMW) logging (GR/CCL) is planned for 2025 or the <br />first quarter of 2026: <br />o NS will log the 14H-1V SSMW in the 3rd or 4th quarter of 2025. This will <br />be the final SSMW log for this well that monitors the P&A’ed 14H mining <br />interval. Following logging, the 14H-1V SSMW will be P&A’ed. <br />o Per UIC Permit, SSMW logging is determined based on mining interval <br />production, NS will notify the EPA of upcoming SSMW logging as <br />production milestones come into focus. <br />