Environmental Liabilities and Expenditures (Tables)

9 Months Ended

Sep. 30, 2017

Environmental Liabilities and Expenditures

Environmental remediation reserves by categories of sites

	Number of Sites	Reserve Balance (in millions)
NPL sites	34	$	458
Third-party sites	69	164
Occidental-operated sites	15	108
Closed or non-operated Occidental sites	30	133
Total	148	$	863