Quest Diagnostics 2012 Annual Report Download - page 40

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37
Item 9A. Controls and Procedures
Conclusion Regarding Effectiveness of Disclosure Controls and Procedures
Under the supervision and with the participation of our management, including our Chief Executive Officer and our
Chief Financial Officer, we have evaluated the effectiveness of our disclosure controls and procedures (as defined under Rules
13a-15(e) and 15d-15(e) of the Securities Exchange Act of 1934, as amended). Based upon that evaluation, our Chief Executive
Officer and our Chief Financial Officer concluded that our disclosure controls and procedures were effective as of the end of
the period covered by this annual report.
Management's Report on Internal Control Over Financial Reporting
Changes in Internal Control
During the fourth quarter of 2012, there were no changes in our internal control over financial reporting (as defined in
Rule 13a-15(f) under the Securities Exchange Act of 1934, as amended) that materially affected, or are reasonably likely to
materially affect, our internal control over financial reporting.
Item 9B. Other Information
None.
See page 70.