Sulphur Mines Investigation

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This page was updated on 05/13/2024 at 9:28:37 AM.

Miscellaneous Reports & Analyses

Technical Summary Report: Cavern No. 006 & No. 007 - submitted by Westlake 9/20/2023

Sulphur Mines Salt and Caprock Methodology - Received 10/27/2023

• PPG 6X MIT - January 2022
• PPG 7B MIT - May 2022

Cavern 7B (SN 67270)

• March 11, 2022 - Sonic Surveys
• November 2, 2022 - Sonic Surveys
• January 11, 2022 - Sonic Surveys
• February 1, 2022 - Sonic Surveys
• March 16, 2023 - Sonic Surveys
• August 22, 2023 - Sonic Surveys
• November 2, 2023 - Sonic Surveys
• April 15, 2024 - Sonic Surveys - Sonar Survey Evaluation (memo)

Cavern 6X (SN 57788)

• December 13, 2021 - Sonic Surveys
• March 12, 2022 - Sonic Surveys
• October 28, 2023 - Sonic Surveys

• Risk Failure Analysis Report for Caverns 6 and 7 (Lonquist) - received May 5, 2023
• Request for Information (RFI) for Westlake's Risk Failure Analysis Report (LNDR) - Issued June 28, 2023

• USDW Evaluation and Monitoring Well Installation Plan (ERM) - Received May 19, 2023
• Water Well Survey Results (ERM) - Received October 11, 2023