DURHAM JONES & PINEGAR, P.C.
                          111 East Broadway, Suite 900
                           Salt Lake City, Utah 84111

                                 August 12, 2002


Medizone International, Inc.
144 Buena Vista
P.O. Box 742
Stinson Beach, California  94970

     Re: Registration Statement on Form S-8 of Medizone International, Inc.
         (the "Registration Statement")

Dear Sirs:

     We have acted as counsel for Medizone International, Inc., a Nevada
corporation (the "Company"), in connection with the registration under the
Securities Act of 1933, as amended (the "Act"), of an aggregate of up to 480,000
shares of the Company's Common Stock, par value $.0001 per share, which may be
issued to directors, officers, employee or key consultants of the Company
pursuant to the terms of written compensation agreements (the "Compensation
Agreements"). The aggregate of 480,000 shares to be registered under the Act are
referred to herein as the "Shares."

     In connection with the foregoing, we have examined originals or copies,
certified or otherwise authenticated to our satisfaction, of such corporate
records of the Company and other instruments and documents as we have deemed
necessary as a basis for the opinion hereinafter expressed.

     Based upon the foregoing and in reliance thereon, it is our opinion that
the Shares described in the above-referenced Registration Statement, when issued
pursuant to the terms of the Registration Statement, and the Plan or
Compensation Agreements, as applicable, will be validly issued, fully paid and
non-assessable.

     We consent to the filing of this opinion as an exhibit to the Registration
Statement and to the reference to our firm in the Registration Statement and the
prospectus to be delivered thereunder. In giving this consent, we do not thereby
admit that we come within the category of persons whose consent is required
under Section 7 of the Act or the rules and regulations of the Securities and
Exchange Commission promulgated thereunder.

                                  Sincerely,

                                  DURHAM JONES & PINEGAR PC

                                  /s/ DURHAM JONES & PINEGAR PC