Legal, Environmental and Other Contingencies (Tables)

6 Months Ended

Mar. 31, 2021

Legal, Environmental and Other Contingencies

Schedule of expected maturities of post-closure monitoring and maintenance activities (discounted)

Expected maturities of post-closure monitoring and maintenance activities (discounted)
Year Ended September 30,
2022	$	67
2023		65
2024		87
2025		65
2026 and thereafter		241
	$	525