On March 20, 2009, O.I. Corporation issued a press release reporting its results of operations for its fiscal quarter and year ended December 31, 2008. A copy of the press release is furnished herewith as Exhibit 99.1.

In accordance with General Instruction B.2 of Form 8-K, the information contained in this Report, including the exhibit attached hereto, shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section, nor shall such information be deemed incorporated by reference into any filing under the Securities Exchange Act of 1934, as amended, or the Securities Act of 1933, as amended, regardless of any general incorporation language in such filing, except as shall be expressly set forth by specific reference in such filing.

(d)    Exhibits

99.1    Press Release dated March 20, 2009

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                                  Signature(s)

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Date: March 20, 2009 By: /s/ J. Bruce Lancaster J. Bruce Lancaster Chief Executive Officer & Chief Financial Officer

                                 Exhibit Index

                 Exhibit No.   Description
                 -----------   ----------------------------------
                 EX-99.1       Press Release dated March 20, 2009