Document:

EXHIBIT 10.1

                        AMENDMENT 2000-1

                      BECKMAN COULTER, INC.
                          SAVINGS PLAN

          WHEREAS, Beckman Coulter, Inc. (the "Company"), a
Delaware corporation,  maintains the Beckman Coulter, Inc.
Savings Plan (the "Plan"); and

          WHEREAS, the Company now desires to amend the Plan to
limit the Retirement Plus provisions to Coulter Employees (as
defined below) hired before May 1, 2000, to change the crediting
of Retirement Plus contributions from a quarterly basis to an
annual basis, to expand the group of participants for whom the
age-based contributions are made, and to allow certain rollover
contributions of distributions from the Beckman Coulter, Inc.
Pension Plan; and

          WHEREAS, the Company has the right to amend the Plan;

          NOW, THEREFORE, the Plan is hereby amended as follows,
effective as of the date of adoption of this Amendment 2000-1,
except as otherwise indicated below:

     1.   Section 3.6(a) is amended by adding the following
to the end of the section:

     "An individual who was a Covered Employee as of July 1,
     2000 or thereafter, who receives a lump sum
     distribution from the Beckman Coulter, Inc. Pension
     Plan on or after July 1, 2000, and who otherwise has an
     Account in this Plan, shall be permitted to rollover
     such lump sum distribution to this Plan (provided the
     other requirements of this Section are satisfied)."

     2.   Effective April 30, 2000, Section 1 of Appendix F
is amended to provide as follows:

     "Each Covered Employee who as of October 31, 1997 was
     classified by the Company as an employee rendering
     services to Coulter Corporation is subject to the
     provisions of this Appendix F (a 'Coulter Employee').

     However, any Coulter Employee who has a Reemployment
     Commencement Date on or after May 1, 2000 shall be
     classified as a Beckman Employee as of the Reemployment
     Commencement Date. With respect to individuals not
     employed by the Company as of October 31, 1997 but who
     later become Covered Employees, the following rules
     shall apply: (1)  If (a) such Covered Employee had no
     prior service with Beckman Instruments, Inc. or Coulter
     Corporation, (b) the Covered Employee's first Hour of
     Service is performed at a facility, location or
     operation determined by the Company to be primarily
     related to the portion of the Company's business
     acquired through the acquisition of Coulter
     Corporation, and (c) the Covered Employee's first Hour
     of Service is performed on or before April 30, 2000,
     that person shall be a 'Coulter Employee' for purposes
     of this Appendix F.  (2)  If such a Covered Employee's
     first Hour of Service is after October 31, 1997 but
     before May 1, 2000, and he has prior service with
     either Coulter Corporation or Beckman Instruments,
     Inc., then he shall be classified as a 'Coulter
     Employee' upon rehire if he was most recently employed
     by Coulter Corporation (rather than Beckman
     Instruments, Inc.) prior to October 31, 1997.

     Otherwise, upon rehire by the Company he shall be
     classified as a 'Beckman Employee.'  (3) If a Covered
     Employee's first Hour of Service is on or after May 1,
     2000, then he shall be classified as a 'Beckman
     Employee.'

               The initial classification of an Employee as
          a 'Coulter Employee'or 'Beckman Employee' shall
          continue notwithstanding any change to the
          Employee's facility, location or operation, but a
          Coulter Employee who has a Reemployment
          Commencement Date on or after May 1, 2000 shall be
          classified as a Beckman Employee as of the
          Reemployment Commencement Date."

     3.   Effective July 1, 2000, Section 7 of Appendix F is
amended to read as follows:

               "The Committee shall maintain a 'Retirement
          Plus Contributions Account' under the Plan for
          each Coulter Employee.

               "Contributions Effective Before July 1, 2000.

               --------------------------------------------

          Commencing September 1, 1998 and ending June 30,
          2000, on account of each calendar quarter (ending
          March 31, June 30, September 30, and December 31),
          the Company shall make a 'Retirement Plus
          Contribution' to the Retirement Plus Contributions
          Account of each Coulter Employee who, as of the
          last working day of that quarter (i) is a Covered
          Employee and (ii) has completed a twelve month
          Period of Service with the Company or a Related
          Company.  Such contribution shall be equal to 3%
          of that Employee's Plan Compensation for that
          quarter.  Such contribution shall be made as soon
          as administratively feasible following the end of
          the quarter.

                    "In addition, for each Coulter employee
          who was (1) hired on or before November 1, 1995,
          (2) was employed by Coulter Corporation on March
          31, 1996, and (3) was a participant in the Coulter
          Corporation Pension Plan on March 31, 1996, the
          Company shall make the quarterly contribution
          shown in the following table to the Retirement
          Plus Contributions Account of each such Coulter
          Employee who is a Covered Employee on the last
          working day of each quarter through the quarter
          ending June 30, 2000. Such quarterly contributions
          shall be based on the Participant's Plan
          Compensation plus Excess Compensation for that
          calendar quarter and based on the Participant's
          age on the last day of the calendar quarter for
          which the contribution is made; however, such
          contribution shall be reduced by the amount of the
          3% contribution made pursuant to the first
          paragraph of this Section 6.  Such contribution
          shall be made as soon as administratively feasible
          following the end of the quarter.  For purposes of
          this paragraph, 'Excess Compensation' shall mean
          Plan Compensation which exceeds the Social
          Security wage base for FICA purposes in effect at
          the beginning of the Plan Year.

                              Plan                   Excess
          Participant's Age   Compensation    +      Compensation
          -----------------   ------------           -----------
            40-44                3.0%                   1.0%
            45-49                4.5%                   2.0%
            50-54                6.0%                   2.5%
            55-59                7.0%                   3.0%
            60 & Older           9.0%                   4.0%

               "Contributions Effective After July 1, 2000

               -------------------------------------------

          Commencing July 1, 2000, on account of each
          calendar quarter (ending September 30, and
          December 31) until December 31, 2000, the Company
          shall make a 'Retirement Plus Contribution' to the
          Retirement Plus Contributions Account of each
          Coulter Employee who, as of the last working day
          of that quarter (i) is a Covered Employee and (ii)
          has completed a twelve month Period of Service
          with the Company or a Related Company.  Such
          contribution shall be equal to the contribution
          shown in the following table, based on the
          Participant's Plan Compensation plus Excess
          Compensation for that calendar quarter and based
          on the Participant's age on the last day of the
          calendar quarter for which the contribution is
          made.  Such contribution shall be made as soon as
          administratively feasible following the end of the
          quarter.  For purposes of this paragraph, 'Excess
          Compensation' shall mean Plan Compensation which
          exceeds the Social Security wage base for FICA
          purposes in effect at the beginning of the Plan
          Year.

                              Plan                  Excess
          Participant's Age   Compensation   +      Compensation
          -----------------   ------------          ----------
          Less than 40             3.0%                none
            40-44                  3.0%                1.0%
            45-49                  4.5%                2.0%
            50-54                  6.0%                2.5%
            55-59                  7.0%                3.0%
          60 & Older               9.0%                4.0%

               Commencing January 1, 2001, and each year
          thereafter, the contributions according to the
          above schedule shall be made on account of each
          Plan Year, rather than on account of each calendar
          quarter.  Such contributions shall be based upon
          each Participant's Plan Compensation and Excess
          Compensation for the Plan Year, and each
          Participant's age as of the last day of the Plan
          Such contribution shall be made as soon as
          administratively feasible following the end of the
          Plan Year.  Such contribution shall be made on
          behalf of each Coulter Employee who (i) is a
          Covered Employee as of the last working day of the
          Plan Year, or (ii) has terminated employment
          during the Plan Year due to lay off (as determined
          by the Company), death, retirement or Disability.
          The contribution referred to in (ii) above shall
          be based upon Plan Compensation while a Covered
          Employee for the Plan Year.  As referred to in
          (ii) above, "retirement" "means that the former
          Covered Employee has either (x) completed at least
          five Years of Service, and the former Covered
          Employee's number of Years of Service, when added
          to such person's age at his or her most recent
          birthday prior to termination of employment,
          equals at least sixty-five (65), or (y) such
          former Covered Employee is age 65 or older at his
          or her most recent birthday prior to termination
          of employment and has completed at least one Year
          of Service."

     IN WITNESS WHEREOF, this Amendment 2000-1 is hereby adopted
this day of June, 2000.

                                   BECKMAN COULTER, INC.

                                   by  FIDENCIO M. MARES
                                       -----------------
                                       Fidencio M. Mares
                                       Vice President - Human ResourcesSECOND SUPPLEMENTAL SUBORDINATED INDENTURE

         SECOND SUPPLEMENTAL  SUBORDINATED  INDENTURE,  dated as of December 29,
1999 (the "Second Supplemental Subordinated Indenture") among ALLIED WASTE NORTH
AMERICA,  INC., a Delaware  corporation  (the  "Company"),  having its principal
place of business at 15880 North  Greenway-Hayden  Loop, Suite 100,  Scottsdale,
Arizona 85260, and each of the guarantors  signatory  hereto (the  "Guarantors")
and U.S. Bank Trust National Association, as trustee (the "Trustee").

                                   WITNESSETH:

         WHEREAS,  the  Company,   Allied  Waste  Industries,   Inc.,  the  sole
stockholder  of the Company  ("Allied"),  and the  subsidiary  guarantors  party
thereto and the Trustee executed and delivered a Subordinated  Indenture,  dated
as of July 30, 1999 (the "Base  Indenture"),  to provide for the issuance by the
Company  from  time  to  time  of  debt  securities   evidencing  its  unsecured
indebtedness (the "Securities");

         WHEREAS,  pursuant to resolutions  adopted by the Board of Directors of
the Company, the Company issued $2,000,000,000 aggregate principal amount of its
10% Senior  Subordinated Notes Due 2009 (the "Notes") pursuant to a Supplemental
Indenture,  dated as of July 30, 1999 (the  "Supplemental  Indenture") (the Base
Indenture and the Supplemental  Indenture are collectively herein referred to as
the "Indenture");

         WHEREAS,  the Company,  the  guarantors  party  thereto and the Trustee
executed and delivered the Supplemental  Indenture establishing the terms of the
Notes in accordance with Section 3.1 of the Base Indenture and  establishing the
form of the Notes in accordance with Section 2.1 of the Base Indenture;

         WHEREAS,  subsequent  to the  issuance  of the Notes,  the  Company has
acquired certain other  "Restricted  Subsidiaries" (as defined in the Indenture)
identified  on  Schedule  A hereto  (the  "Subsidiary  Guarantors"),  which  are
required to guarantee the Company's  obligations  under the  Securities  and the
Indenture in accordance with the terms of the Securities and the Indenture; and

         WHEREAS,  pursuant to  resolutions  adopted by the Board of  Directors,
partners or members,  as the case may be, of each of the Subsidiary  Guarantors,
each of the  Subsidiary  Guarantors  has duly  authorized  the  guarantee of the
Company's obligations under the Indenture and the Securities;

<PAGE>

         NOW THEREFORE, for and in consideration of the premises, it is mutually
covenanted and agreed, for the equal and proportionate benefit of all Holders of
the Securities, as follows:

                                   ARTICLE ONE
                        DEFINITIONS AND OTHER PROVISIONS
                             OF GENERAL APPLICATION

         SECTION 101.      Definitions.
                           -----------

         All  capitalized  terms used herein without  definition  shall have the
meanings  specified in the Base  Indenture  or the  Supplemental  Indenture,  as
applicable.

         SECTION 102.      Provisions of General Application.
                           ---------------------------------

         All rules of construction and other  provisions of general  application
set forth in Article One of the Base Indenture are hereby incorporated herein by
reference.

         SECTION 103.      Effectiveness.
                           -------------

         This Second Supplemental  Subordinated Indenture shall become effective
upon the date hereof.

                                   ARTICLE TWO
                                    GUARANTEE

         SECTION 201.      Senior Subordinated Guarantee.
                           -----------------------------

         Each of  Allied  and  the  Subsidiary  Guarantors  hereby  jointly  and
severally  unconditionally  guarantees  on a senior  subordinated  basis for the
benefit of each Holder of a Security that has been  authenticated  and delivered
by the Trustee, and for benefit of the Trustee on behalf of such Holder, the due
and punctual payment of the principal of, premium,  if any, and interest on such
Security  when and as the same  shall  become  due and  payable,  whether at its
Stated  Maturity or following  acceleration,  call for  redemption,  purchase or
otherwise,  in each case in  accordance  with the terms and  conditions  of such
Security,  this Second  Supplemental  Subordinated  Indenture and the Indenture.
Each of the  Subsidiary  Guarantors  shall  be from the  effective  date of this
Second Supplemental  Subordinated  Indenture a "Subsidiary Guarantor" within the
meaning and for all purposes of the Base Indenture.  In addition,  Allied hereby
guarantees to the extent set forth in the Subordinated  Guarantee  endorsed upon
each Security for the benefit of the Holder  thereof,  the  obligations  of each
Subsidiary Guarantor thereunder.

                                       2
<PAGE>

                                  ARTICLE THREE
              PARTICULAR REPRESENTATIONS, WARRANTIES AND COVENANTS
                        OF THE COMPANY AND THE GUARANTORS

         SECTION 301.      Authority of the Company.
                           ------------------------

         The Company  represents and warrants that it is duly  authorized  under
the laws of the State of  Delaware  and all other  applicable  laws to  execute,
deliver and perform this Second  Supplemental  Subordinated  Indenture,  and all
corporate  action  on  its  part  required  for  the  execution,   delivery  and
performance of this Second  Supplemental  Subordinated  Indenture by the Company
has been duly and effectively taken.

         SECTION 302.      Authority of the Guarantors.
                           ---------------------------

         Each Guarantor represents and warrants that it is duly authorized under
the laws of the  jurisdiction  of its  incorporation/organization  and all other
applicable  laws to  execute,  deliver  and  perform  this  Second  Supplemental
Subordinated  Indenture,  and all corporate or other action on its part required
for  the  execution,  delivery  and  performance  of  this  Second  Supplemental
Subordinated Indenture by such Guarantor has been duly and effectively taken.

         SECTION 303.      Truth of Recitals and Statements of the Company.
                           -----------------------------------------------

         The  Company  represents  and  warrants  that the  recitals of fact and
statements  contained in this Second  Supplemental  Subordinated  Indenture with
respect  to it are true  and  correct  in all  material  respects,  and that the
recitals  of  fact  and  statements  contained  in all  certificates  and  other
documents  furnished  by the  Company in  connection  herewith  will be true and
correct in all material respects.

         SECTION 304.      Truth of Recitals and Statements of the Guarantors.
                           --------------------------------------------------

         Each  Guarantor  represents  and warrants that the recitals of fact and
statements  contained in this Second  Supplemental  Subordinated  Indenture with
respect  to it are true  and  correct  in all  material  respects,  and that the
recitals  of  fact  and  statements  contained  in all  certificates  and  other
documents  furnished by such  Guarantor in connection  herewith will be true and
correct in all material respects.

                                       3
<PAGE>

                                  ARTICLE FOUR
                             CONCERNING THE TRUSTEE

         SECTION 401.      Acceptance of Trusts.
                           --------------------

         The  Trustee  accepts  the trusts  hereunder  and agrees to perform the
same,  but only upon the terms and  conditions set forth in the Indenture and in
this Second Supplemental Subordinated Indenture, to all of which the Company and
the  Guarantors  agree and the Holders of Securities at any time  outstanding by
their acceptance thereof agree.

         SECTION 402.      No Responsibility of the Trustee for Recitals, etc.
                           ---------------------------------------------------

         The  recitals  and  statements  contained  in this Second  Supplemental
Subordinated  Indenture  shall be taken as the  recitals and  statements  of the
Company and the Guarantors,  and the Trustee assumes no  responsibility  for the
correctness of the same. The Trustee makes no representations as to the validity
or sufficiency of this Second Supplemental Subordinated Indenture.

                                  ARTICLE FIVE
                            MISCELLANEOUS PROVISIONS

         SECTION 501.      Binding Agreement; Assignments.
                           ------------------------------

         Whenever in this Second Supplemental  Subordinated Indenture any of the
parties  hereto is referred  to, such  reference  shall be deemed to include the
successors and assigns of such party; and all covenants, promises and agreements
by or on behalf of each Guarantor that are contained in this Second Supplemental
Subordinated  Indenture shall bind and inure to the benefit of each party hereto
and their respective successors and assigns.

         SECTION 502.      Relation to Base Indenture.
                           --------------------------

         The provisions of this Second Supplemental Subordinated Indenture shall
become effective immediately upon the execution and delivery hereof. This Second
Supplemental  Subordinated  Indenture  and all the terms and  provisions  herein
contained  shall  form a part of the Base  Indenture  as fully and with the same
effect  as if all such  terms  and  provisions  had  been set  forth in the Base
Indenture and each and every term and condition  contained in the Base Indenture
shall apply to this Second  Supplemental  Subordinated  Indenture  with the same
force  and  effect  as if the  same  were  set  forth  in full  in  this  Second
Supplemental  Subordinated  Indenture,  with  such  omissions,   variations  and

                                       4
<PAGE>

modifications thereof as may be appropriate to make each such term and condition
consistent  with  this  Second  Supplemental  Subordinated  Indenture.  The Base
Indenture is hereby ratified and confirmed and shall remain and continue in full
force  and  effect in  accordance  with the terms  and  provisions  thereof,  as
supplemented and amended by this Second Supplemental  Subordinated Indenture and
the Base Indenture and this Second Supplemental  Subordinated Indenture shall be
read, taken and construed together as one instrument.

         SECTION 503.      Counterparts.
                           ------------

         This  Second  Supplemental  Subordinated  Indenture  may be executed in
several  counterparts,  each of which  shall be deemed an  original,  but all of
which together shall constitute one instrument.

                                       5
<PAGE>

         IN  WITNESS  WHEREOF,  the  parties  hereto  have  caused  this  Second
Supplemental  Subordinated  Indenture to be duly executed,  and their respective
corporate seals to be hereunto affixed and attested,  all as of the day and year
first above written.

                                   ALLIED WASTE NORTH AMERICA, INC.

                                  By:  /s/ G. THOMAS ROCHFORD, JR.
                                     --------------------------------------
                                       Name:  G. Thomas Rochford, Jr.
                                       Title: Treasurer

                                   ALLIED WASTE INDUSTRIES, INC.

                                   for purposes of Article 2 and as Guarantor of
                                   the  Securities  and  as  Guarantor  of   the
                                   obligations  of  the  Subsidiary   Guarantors
                                   under the Subsidiary Guarantees

                                  By:  /s/ G. THOMAS ROCHFORD, JR.
                                     --------------------------------------
                                       Name:  G. Thomas Rochford, Jr.
                                       Title: Treasurer

                                  Each  of  the  Subsidiary Guarantors Listed on
                                  Schedule  A  hereto,  as  Guarantors  of   the
                                  Securities

                                  By:   /s/ G. THOMAS ROCHFORD, JR.
                                     --------------------------------------
                                       Name:  G. Thomas Rochford, Jr.
                                       Title: Treasurer

                                  U.S.  BANK  TRUST  NATIONAL  ASSOCIATION,   as
                                  Trustee

                                  By:   /s/ RICHARD H. PROKOSCH
                                     --------------------------------------
                                       Name: Richard H. Prokosch
                                       Title: Assistant Vice President

                                       6
<PAGE>

                                   SCHEDULE A

Name of Subsidiary Guarantor                           State of Organization
----------------------------                           ---------------------
Allied Waste Sycamore Landfill, LLC                    Delaware
BFI Ref-Fuel, Inc.                                     Delaware
Blue Ridge Landfill General Partnership                Kentucky
Brundidge Landfill, LLC                                Delaware
Chilton Landfill, LLC                                  Delaware
Cocopah Landfill, Inc.                                 Delaware
Copper Mountain Landfill, Inc.                         Delaware
Courtney Ridge Landfill, LLC                           Delaware
Defeo Enterprises, Inc.                                Connecticut
Draw Enterprises Real Estate, L.P.                     Illinois
F.P. McNamara Rubbish Removal, Inc.                    Massachusetts
Forest View Landfill, LLC                              Delaware
Giordano Recycling Corp.                               New Jersey
Green Valley Landfill General Partnership              Kentucky
Houston Towers TX, LP                                  Delaware
Imperial Landfill, Inc.                                California
Metro Enviro Transfer, LLC                             Delaware
Moorhead Landfill General Partnership                  Kentucky
Northwest Waste Industries, Inc.                       Washington
Piedmont Trash Services, Inc.                          Virginia
PM Recycling, Inc.                                     Connecticut
Rabanco Companies                                      Washington
Regional Disposal Company                              Washington
Recycle Seattle II                                     Washington
Royal Oaks Landfill TX, LP                             Delaware
Saline County Landfill, Inc.                           Illinois
Sangamon Valley Landfill Inc.                          Delaware
Seattle Disposal Company Inc.                          Washington
Taylor Ridge Landfill, Inc.                            Delaware
Tennessee Union County Landfill, Inc.                  Delaware
U.S. Disposal II                                       Washington
Waste Services of New York, Inc.                       New York

                                       7
<PAGE>

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