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Legal, Environmental and Other Contingencies (Tables)
6 Months Ended
Mar. 31, 2020
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,

 

 

 

2021

$

74

 

2022

 

64

 

2023

 

81

 

2024

 

60

 

2025 and thereafter

 

229

 

 

$

508