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COMMITMENTS AND CONTINGENCIES (Tables)

9 Months Ended

Sep. 30, 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:

			Nine Months Ended September 30,
			2021						2020
Beginning balance			$	4,261					$	4,596
Accretion expense			82						90
Obligations incurred			—						28
Revision in estimates (1)			—						(188)
Obligations settled (2)			(281)						(293)
Ending balance			$	4,062					$	4,233

(1)The revision in estimates is associated with the completion of the environmental remediation at the site. See Note 11, Other Items and Charges to our consolidated financial statements for further discussion.

(2)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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