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REMEDIAL LIABILITIES | 6 Months Ended
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Jun. 30, 2023
Environmental Remediation Obligations [Abstract] |
REMEDIAL LIABILITIES | REMEDIAL LIABILITIES The changes to remedial liabilities from January 1, 2023 through June 30, 2023 were as follows (in thousands):
| Remedial Liabilities for Landfill Sites |  | Remedial Liabilities for Inactive Sites |  | Remedial Liabilities (Including Superfund) for Non-Landfill Operations |  | Total
Balance at January 1, 2023 | $ | 1,824 |  |  | $ | 59,749 |  |  | $ | 54,717 |  |  | $ | 116,290 |
Accretion | 44 |  |  | 1,304 |  |  | 808 |  |  | 2,156 |
Changes in estimates recorded to consolidated statement of operations | 6 |  |  | 386 |  |  | (140) |  |  | 252 |
Expenditures | (26) |  |  | (1,966) |  |  | (4,830) |  |  | (6,822) |
Currency translation and other | — |  |  | 12 |  |  | 288 |  |  | 300 |
Balance at June 30, 2023 | $ | 1,848 |  |  | $ | 59,485 |  |  | $ | 50,843 |  |  | $ | 112,176 |
In the six months ended June 30, 2023, there were no significant benefits or charges resulting from changes in estimates for remedial liabilities.

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