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COMMITMENTS AND CONTINGENCIES (Tables)

3 Months Ended

Mar. 31, 2021

Commitments and Contingencies Disclosure [Abstract]

Summary of Environmental Liability

A summary of the changes to the environmental remediation liability associated with the Southbridge Landfill follows:

			Three Months Ended March 31,
			2021						2020
Beginning balance			$	4,261					$	4,596
Accretion expense			28						$	30
Obligations incurred			—						$	27
Obligations settled (1)			—						$	(12)
Ending balance			$	4,289					$	4,641

(1)May include amounts that are being processed through accounts payable as a part of our disbursements cycle.

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Tabular disclosure of environmental loss contingencies by individual site. Does not include loss contingencies that are not environmental in nature.

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