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REMEDIAL LIABILITIES (Tables)
12 Months Ended
Dec. 31, 2018
Environmental Remediation Obligations [Abstract]  
Changes to Remedial Liabilities
The changes to remedial liabilities from January 1, 2017 through December 31, 2018 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, 2017
$
1,777

 
$
64,151

 
$
62,079

 
$
128,007

Measurement period adjustments from prior period acquisitions

 

 
504

 
504

Accretion
86

 
2,648

 
1,978

 
4,712

Changes in estimates recorded to statement of operations
(21
)
 
(289
)
 
355

 
45

Expenditures
(42
)
 
(3,906
)
 
(5,792
)
 
(9,740
)
Currency translation and other

 
2,738

 
(1,798
)
 
940

Balance at December 31, 2017
1,800

 
65,342

 
57,326

 
124,468

Accretion
86

 
2,745

 
1,871

 
4,702

Changes in estimates recorded to statement of operations
(1
)
 
130

 
558

 
687

Expenditures
(47
)
 
(3,759
)
 
(4,028
)
 
(7,834
)
Currency translation and other

 
857

 
(1,863
)
 
(1,006
)
Balance at December 31, 2018
$
1,838

 
$
65,315

 
$
53,864

 
$
121,017

Remedial Liabilities Anticipated Payments for Each of the Next Five Years
Anticipated payments at December 31, 2018 (based on current estimated costs and anticipated timing of necessary regulatory approvals to commence work on remedial activities) for each of the next five years and thereafter were as follows (in thousands):
Year ending December 31,
 
2019
$
13,975

2020
15,467

2021
14,593

2022
9,560

2023
8,688

Thereafter
81,453

Undiscounted remedial liabilities
143,736

Less: Discount
(22,719
)
Total remedial liabilities
$
121,017

Environmental Exit Costs by Cost
The following tables show, respectively, (i) the amounts of such estimated liabilities associated with the types of facilities and sites involved and (ii) the amounts of such estimated liabilities associated with each facility or site which represents at least 5% of the total and with all other facilities and sites as a group and as of December 31, 2018.
Estimates Based on Type of Facility or Site (in thousands):
Type of Facility or Site
Remedial
Liability
 
% of Total
 
Reasonably Possible
Additional Liabilities(1)
Facilities now used in active conduct of the Company's business (41 facilities)
$
48,506

 
40.1
%
 
$
11,171

Inactive facilities not now used in active conduct of the Company's business but most of which were acquired because the assumption of remedial liabilities for such facilities was part of the purchase price for the CSD assets (35 facilities)
64,344

 
53.2

 
10,782

Superfund sites owned by third parties (17 sites)
8,167

 
6.7

 
817

Total
$
121,017

 
100.0
%
 
$
22,770

___________________________________
(1)
Amounts represent the high end of the range of management's best estimate of the reasonably possible additional liabilities.









(11) REMEDIAL LIABILITIES (Continued)
Estimates Based on Amount of Potential Liability (in thousands):
Location
Type of Facility or Site
 
Remedial
Liability
 
% of Total
 
Reasonably
Possible
Additional
Liabilities(1)
Baton Rouge, LA(2)
Closed incinerator and landfill
 
$
23,314

 
19.3
%
 
$
3,963

Bridgeport, NJ
Closed incinerator
 
18,616

 
15.4

 
2,577

Mercier, Quebec(2)
Idled incinerator and legal proceedings
 
9,809

 
8.1

 
1,037

Linden, NJ
Operating solvent recycling center
 
7,487

 
6.2

 
790

Various(2)
All other incinerators, landfills, wastewater treatment facilities and service centers (72 facilities)
 
53,624

 
44.3

 
13,586

Various(2)
Superfund sites (each representing less than 5% of total liabilities) owned by third parties (17 sites)
 
8,167

 
6.7

 
817

Total
 
 
$
121,017

 
100.0
%
 
$
22,770

_________________________________
(1)
Amounts represent the high end of the range of management's best estimate of the reasonably possible additional liabilities.
(2)
$17.9 million of the $121.0 million remedial liabilities and $1.8 million of the $22.8 million reasonably possible additional liabilities include estimates of remediation liabilities related to the legal and administrative proceedings discussed in Note 18, "Commitments and Contingencies," as well as other such estimated remedial liabilities.