UNITED STATES STEEL CORP | 2013 | FY | 3

Changes in accrued liabilities for remediation activities where U. S. Steel is identified as a named party are summarized in the following table:

 
 
Twelve Months Ended December 31,
(In millions)
 
2013
 
2012
Beginning of period
 
$
203

 
$
206

Accruals for environmental remediation deemed probable and reasonably estimable
 
45

 
13

Payments
 
(15
)
 
(16
)
End of period
 
$
233

 
$
203

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