Company: CLH
Filing Date: 2025-07-30
Form Type: 10-Q
Source: 0000822818-25-000030
Chunk: 83

Company: CLEAN HARBORS INC
Filing Date: 2025-07-30
Form: 10-Q
Item: Part I, Item 8
Chunk 83
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,394 Accrued interest33,254 33,259 Accrued other97,233 103,967 $376,585 $419,445 

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Table of Contents

(9) CLOSURE AND POST-CLOSURE LIABILITIES

The changes to closure and post-closure liabilities (also referred to as “asset retirement obligations”) from January 1, 2025 through June 30, 2025 were as follows (in thousands):Landfill Retirement LiabilityNon-Landfill Retirement LiabilityTotalBalance at January 1, 2025$59,400 $70,388 $129,788 Measurement period adjustments from prior period acquisitions— 420 420 New asset retirement obligations1,813 — 1,813 Accretion2,491 2,750 5,241 Changes in estimates recorded to consolidated statement of operations448 370 818 Changes in estimates recorded to consolidated balance sheet— 910 910 Expenditures(1,982)(410)(2,392)Currency translation and other206 83 289 Balance at June 30, 2025$62,376 $74,511 $136,887 In the six months ended June 30, 2025, there were no significant benefits or charges resulting from changes in estimates for closure and post-closure liabilities.

(10) REMEDIAL LIABILITIES 

The changes to remedial liabilities from January 1, 2025 through June 30, 2025 were as follows (in thousands):RemedialLiabilities forLandfill SitesRemedialLiabilities forInactive SitesRemedialLiabilities(IncludingSuperfund) forNon-LandfillOperationsTotalBalance at January 1, 2025$1,948 $57,036 $52,761 $111,745 Measurement period adjustment from a prior period acquisition— — (90)(90)Accretion47 1,192 731 1,970 Changes in estimates recorded to consolidated statement of operations(77)65 (9,760)(9,772)Expenditures(23)(1,800)(2,836)(4,659)Currency translation and other— 98 20 118 Balance at June 30, 2025$1,895 $56,591 $40,826