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Environmental Liabilities and Expenditures (Tables)
6 Months Ended
Jun. 30, 2018
Environmental Liabilities and Expenditures  
Schedule of current and non-current environmental remediation reserves by categories of sites

                                                                                                                                                                                                  

 

 

 

 

 

 

 

 

 

 

Reserve Balance

 

    

Number of Sites

    

(in millions)

NPL sites

 

34

 

$

454

Third-party sites

 

70

 

 

173

Occidental-operated sites

 

15

 

 

105

Closed or non-operated Occidental sites

 

29

 

 

139

Total

 

148

 

$

871