EXHIBIT 3.17

                          Certificate of Incorporation
                                       of
                         Waste Services of Arizona, Inc.

                                   Article One

            The name of the corporation is Waste Services of Arizona, Inc.

                                   Article Two

            The address of the corporation's registered office in the State of
Delaware is 1209 Orange Street, in the City of Wilmington, County of New Castle,
Delaware 19801. The name of its registered agent at such address is The
Corporation Trust Company.

                                  Article Three

            The purpose of the corporation is to engage in any lawful act or
activity for which corporations may be organized under the General Corporation
Law of the State of Delaware.

                                  Article Four

            The corporation shall be authorized to issue one class of shares of
stock to be designated "Common Stock;" the total number of shares of Common
Stock that the corporation shall have authority to issue shall be 1,000, and
each of such shares shall have a par value of $.001.

                                  Article Five

            The name and mailing address of the incorporator is Thomas E.
Durkin, III, 90049, Suite 221, 1005 Skyview Dr., Burlington, Ontario L7P 5B1,
Canada.

                                   Article Six

            The number of directors constituting the initial Board of Directors
of the corporation is two. Thereafter, the number of directors constituting the
Board of Directors shall be as set forth in the Bylaws. The name and mailing
address of each person who is to serve as a director until the first annual
meeting of stockholders or until his successor is elected and qualified is
Thomas E. Durkin, III, 90049, Suite 221, 1005 Skyview Dr., Burlington, Ontario
L7P 5B1, Canada, and George Booth, 90049, Suite 221, 1005 Skyview Dr.,
Burlington, Ontario L7P 5B1, Canada.

                                  Article Seven

            To the fullest extent permitted by the Delaware General Corporation
Law, a director or former director of the corporation shall not be personally
liable to the corporation or its stockholders for monetary damages for breach of
fiduciary duty as a director of the corporation; provided, that the foregoing
provision shall not eliminate or limit the liability of a director (i) for any
breach of the director's duty of loyalty to the corporation or its stockholders,
(ii) for acts or omissions

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not in good faith or which involve intentional misconduct or a knowing violation
of law, (iii) under Section 174 of Title 8 of the Delaware General Corporation
Law, or (iv) for any transaction from which the director derived an improper
personal benefit.

            If the Delaware General Corporation Law is amended to authorize
corporate action further eliminating or limiting the liability of directors, the
liability of a director of the corporation shall be eliminated or limited to the
fullest extent permitted by the Delaware General Corporation Law, as amended.

            Any repeal or modification of this Article Seven shall not adversely
affect any right or protection of a director of the corporation existing
hereunder with respect to any act or omission occurring prior to or at the time
of such repeal or modification.

            The provisions of this Article Seven shall not be deemed to limit or
preclude indemnification of a director by the corporation for any liability of a
director which has not been eliminated by the provisions of this Article Seven.

                                  Article Eight

            The corporation shall indemnify any person who is or was a director
or officer of the corporation, with respect to action taken or omitted by such
person in such capacities to the fullest extent authorized or permitted by law,
as now or hereafter in effect, and such right to indemnification shall continue
as to a person who has ceased to be a director or officer, as the case may be,
and shall inure to the benefit of such person's heirs, executors and personal
and legal representatives. These rights of indemnification shall not be
exclusive of any other right that any person may have or hereafter acquire under
this Certificate of Incorporation, the Bylaws, any statute, agreements, vote of
shareholders or disinterested directors or otherwise. Any repeal or modification
of these indemnification provisions shall not adversely affect any rights to
indemnification any person may have at the time of such repeal or modification
with respect to any acts or omissions occurring prior to such repeal or
modification.

                                  Article Nine

            The corporation reserves the right to amend, alter, change, or
repeal any provision contained in this Certificate of Incorporation, in the
manner now or hereafter prescribed by the Delaware General Corporation Law.

                                   Article Ten

            The Board of Directors of the corporation shall have the power to
adopt, amend, and repeal any or all of the Bylaws of the corporation.

                                 Article Eleven

            Election of members to the Board of Directors need not be by written
ballot unless the Bylaws of the corporation shall so provide. Meetings of the
stockholders of the corporation may be held within or without the State of
Delaware, as the Bylaws may provide. The books of the

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corporation may be kept (subject to any provision contained in the Delaware
General Corporation Law) outside the State of Delaware at such place or places
as may be designated from time to time by the Board of Directors or in the
Bylaws of the corporation.

            I, THE UNDERSIGNED, for the purposes of forming a corporation under
the laws of the State of Delaware, do make, file and record this Certificate,
and do certify that the facts herein stated are true.

Dated this 30th day of June, 2003.                   /s/ Thomas E. Durkin, III
                                                     ---------------------------
                                                     Thomas E. Durkin, III
                                                     Incorporator

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