UNITED STATES

SECURITIES AND EXCHANGE
COMMISSION

Washington, D.C. 20549

SCHEDULE 13D

Item 1.

Security and Issuer

This Statement on Schedule 13D relates to the common stock without par value (the “Common Stock”) of Response Biomedical Corp. (the “Company”).  The principal executive offices of the Company are at 100-8900 Glenlyon Parkway, Burnaby, British Columbia, Canada V5J 5J8.

Item 2.

Identity and Background

The person filing this statement is 3M Company (“3M”), a Delaware corporation. 3M is an integrated enterprise characterized by substantial intercompany cooperation in research, manufacturing and marketing of products. 3M’s business first developed from its research and technology in coating and bonding for coated abrasives. Currently serving customers in more than 200 countries around the world, the people of 3M use their expertise, technologies and global strength to lead in major markets including consumer and office products; display and graphics; electronics and telecommunications; safety, security and protection services; health care; industrial products; and transportation.  3M’s brands include Scotch, Post-it, Scotchgard, Thinsulate, Scotch-Brite, Filtrete, Command and Vikuiti, all of which are trademarks of 3M.

The address of 3M’s principal business and its principal office is 3M Center, St. Paul, Minnesota 55144. The name, business address and present principal occupation or employment of each director and executive officer of 3M are set forth in Appendix I hereto and are incorporated herein by reference.  No other person other than persons listed in Appendix I might be deemed to control 3M.  Each of the directors and executive officers of 3M, except George W. Buckley, Inge G. Thulin, H.C. (Hak Cheol) Shin and Jean Lobey, is a United States citizen.  Mr. Buckley is a citizen of the United Kingdom.  Mr. Thulin is a citizen of Sweden.  Mr. Shin is a citizen of the Republic of Korea.  Mr. Lobey is a citizen of France.

During the last five years, neither 3M, nor to the best of 3M’s knowledge, any person named in Appendix I attached hereto, has been convicted in a criminal proceeding (excluding traffic violations or similar misdemeanors) nor have any of such persons been a party to a civil proceeding of a judicial or administrative body of competent jurisdiction as a result of which such person was or is subject to a judgment, decree or final order enjoining future violations of, or prohibiting or mandating activities subject to, federal or state securities laws or finding any violation with respect to such laws.

Item 3.

Source and Amount of Funds or Other Consideration

Pursuant to an Investment Agreement dated as of November 30, 2006 between 3M and the Company (the “Investment Agreement”), 3M purchased 14,797,419 shares of Common Stock of the Company in a private placement on December 11, 2006 at a price of Cdn.$0.62 per share.  The purchase of the Common Stock was made from 3M’s working capital.

Item 4.

Purpose of Transaction

3M holds its shares of the Common Stock of the Company for investment purposes.  3M has no plans or proposals which relate to or would result in any of the actions enumerated in clauses (a)-(j) of Item 4 of Schedule 13D under the Securities Exchange Act of 1934, as amended.

Item 5.

Interest in Securities of the Issuer

(a)           The Company is believed to have 113,464,862 shares of Common Stock outstanding.  3M beneficially owns 14,797,419 shares of the Common Stock or approximately 13.0% of the outstanding Common Stock and has sole power to vote or to direct the vote and sole power to dispose of or to direct the disposition of such shares.  3M does not own or currently have the right to acquire, directly or indirectly, any additional shares of Common Stock of the Company.  None of 3M’s directors or executive officers beneficially own any of the Common Stock of the Company.

Except for the transaction described in Item 3 above, during the past sixty days there have been no transactions in shares of Common Stock of the Company by 3M or by 3M’s directors or executive officers.

Item 6.

Contracts, Arrangements, Understandings or Relationships with Respect to Securities of the Issuer

Pursuant to the Investment Agreement, if the Company issues shares of Common Stock during the one-year period beginning on December 11, 2006, 3M generally has the right to purchase up to the number of shares included in such issuance as is necessary to ensure that 3M’s percentage ownership in the Company after the issuance is equal to 3M’s percentage ownership in the Company immediately prior to the issuance.

Item 7.

Material to Be Filed as Exhibits

None.

December 19, 2006

Date

/s/ Gregg M. Larson

Signature

Gregg M. Larson, Associate General Counsel & Secretary

Name/Title