9. East Tennessee Materials and Energy Corporation (“M&EC”)

The Company has completed the physical on-site closure and decommissioning activities at its M&EC facility (in closure status) in accordance with M&EC’s license and permit requirements, with final closure of the facility subject to completion of final surveys and regulatory approvals.

At March 31, 2019, total accrued closure liabilities for our M&EC subsidiary totaled approximately $281,000 which are recorded as current liabilities. The Company recorded an additional $165,000 in closure costs and current closure liabilities due to finalization of closure requirements. The following reflects changes to the closure liabilities for the M&EC facility from year end 2018: