Occidental Petroleum 2012 Annual Report Download - page 31
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$ amounts
in millions
2011
2010
# of
Sites
Reserve
Balance
# of
Sites
Reserve
Balance
NPL sites
36
$ 63
38
$ 56
Third-party sites
73
88
83
91
Occidental-operated
sites
22
120
20
122
Closed or non-
operated
Occidental sites
29
89
29
97
Total
160
$ 360
170
$ 366
In millions
2011
2010
Balance — Beginning of Year
$ 366
$ 403
Remediation expenses and interest accretion
53
26
Changes from acquisitions/dispositions
14
3
Payments
(73)
(66)
Balance — End of Year
$ 360
$ 366
In millions
2011
2010
Oil and Gas
$ 158
$ 108
Chemical
68
72
Midstream and Marketing
21
13
$ 247
$ 193
Oil and Gas
$110
$ 72
Chemical
15
19
Midstream and Marketing
15
13
$ 140
$ 104
Corporate
$ 52
$ 25
FOREIGN INVESTMENTS
CRITICAL ACCOUNTING POLICIES AND ESTIMATES