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Legal, Environmental and Other Contingencies (Tables)
12 Months Ended
Sep. 30, 2018
Legal, Environmental and Other Contingencies  
Schedule of expected maturities of post-closure monitoring and maintenance activities (discounted)

 

 

 

 

2020

$

52

 

2021

 

59

 

2022

 

49

 

2023

 

48

 

2024 and thereafter

 

241

 

 

$

449