Annual report pursuant to section 13 and 15(d)

ACCRUED CLOSURE COSTS (Tables)

v2.4.0.8
ACCRUED CLOSURE COSTS (Tables)
12 Months Ended
Dec. 31, 2012
ACCRUED CLOSURE COSTS [Abstract]  
Changes to reported closure liabilities
Changes to reported closure liabilities for the years ended December 31, 2011 and 2012, were as follows:

Amounts in thousands
     
Balance as of December 31, 2010
 
$
12,362
 
Accretion expense
   
79
 
Payments
   
 
Adjustments
   
(504
)
Balance as of December 31, 2011
   
11,937
 
Accretion expense
   
185
 
Payments
   
(773
)
Adjustments
   
 
Balance as of December 31, 2012
 
$
11,349