Environmental Liabilities and Expenditures (Tables)

6 Months Ended

Jun. 30, 2017

Environmental Liabilities and Expenditures

Environmental remediation reserves by categories of sites

	Number of Sites	Reserve Balance (in millions)
NPL sites	34	$	460
Third-party sites	67	172
Occidental-operated sites	17	107
Closed or non-operated Occidental sites	29	134
Total	147	$	873