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REMEDIAL LIABILITIES (Tables)
 12 Months Ended
Dec. 31, 2016
Environmental Remediation Obligations [Abstract]  
Changes to Remedial Liabilities
The changes to remedial liabilities from January 1, 2015 through December 31, 2016 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, 2015
$
5,420

 
$
68,528

 
$
81,173

 
$
155,121

Accretion
218

 
2,924

 
2,622

 
5,764

Changes in estimates recorded to statement of operations
(2,841
)
 
(2,927
)
 
(5,620
)
 
(11,388
)
Expenditures
(137
)
 
(4,779
)
 
(9,091
)
 
(14,007
)
Currency translation and other
(333
)
 
(133
)
 
(3,032
)
 
(3,498
)
Balance at December 31, 2015
2,327

 
63,613

 
66,052

 
131,992

Liabilities assumed in acquisitions
—

 
—

 
2,041

 
2,041

Accretion
110

 
2,737

 
2,227

 
5,074

Changes in estimates recorded to statement of operations
(538
)
 
1,520

 
(2,617
)
 
(1,635
)
Expenditures
(122
)
 
(3,893
)
 
(5,907
)
 
(9,922
)
Currency translation and other
—

 
174

 
283

 
457

Balance at December 31, 2016
$
1,777

 
$
64,151

 
$
62,079

 
$
128,007
Remedial Liabilities Anticipated Payments for Each of the Next Five Years
Anticipated payments at December 31, 2016 (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,
 
2017
$
14,084

2018
17,667

2019
13,638

2020
10,599

2021
8,990

Thereafter
86,787

Undiscounted remedial liabilities
151,765

Less: Discount
(23,758
)
Total remedial liabilities
$
128,007
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, 2016.
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 (48 facilities)
$
55,467

 
43.3
%
 
$
11,862

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)
64,151

 
50.1

 
10,679

Superfund sites owned by third parties (17 sites)
8,389

 
6.6

 
839

Total
$
128,007

 
100.0
%
 
$
23,380

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











(10) 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
 
$
23,256

 
18.2
%
 
$
3,940

Bridgeport, NJ
Closed incinerator
 
19,059

 
14.9

 
2,590

Mercier, Quebec(2)
Idled incinerator and legal proceedings
 
9,510

 
7.4

 
1,008

Linden, NJ
Operating solvent recycling center
 
7,781

 
6.1

 
842

Various(2)
All other incinerators, landfills, wastewater treatment facilities and service centers (79 facilities)
 
60,012

 
46.8

 
14,161

Various(2)
Superfund sites (each representing less than 5% of total liabilities) owned by third parties (17 sites)
 
8,389

 
6.6

 
839

Total
 
 
$
128,007

 
100.0
%
 
$
23,380

_________________________________
(1)
Amounts represent the high end of the range of management's best estimate of the reasonably possible additional liabilities.
(2)
$18.2 million of the $128.0 million remedial liabilities and $1.9 million of the $23.4 million reasonably possible additional liabilities include estimates of remediation liabilities related to the legal and administrative proceedings discussed in Note 17, "Commitments and Contingencies," as well as other such estimated remedial liabilities.