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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 11-K
(Mark One)
     
þ   ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
For the fiscal year ended December 31, 2010
or
     
o   TRANSITION REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
For the transition period from                      to                    
Commission file number 1-12154
WASTE MANAGEMENT RETIREMENT SAVINGS
PLAN FOR BARGAINING UNIT EMPLOYEES
Waste Management, Inc.
1001 Fannin Street
Suite 4000
Houston, TX 77002
 
 

 


 

WASTE MANAGEMENT RETIREMENT SAVINGS PLAN
FOR BARGAINING UNIT EMPLOYEES
INDEX TO FINANCIAL STATEMENTS AND SUPPLEMENTAL SCHEDULE
         
    1  
 
Audited Financial Statements
       
 
    2  
    3  
    4  
 
Supplemental Schedule
       
 
    12  
 EX-23.1

 


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Report of Independent Registered Public Accounting Firm
Administrative Committee
Waste Management Retirement Savings Plan
for Bargaining Unit Employees
We have audited the accompanying statements of net assets available for benefits of the Waste Management Retirement Savings Plan for Bargaining Unit Employees (the “Plan”) as of December 31, 2010 and 2009, and the related statement of changes in net assets available for benefits for the year ended December 31, 2010. These financial statements are the responsibility of the Plan’s management. Our responsibility is to express an opinion on these financial statements based on our audits.
We conducted our audits in accordance with the standards of the Public Company Accounting Oversight Board (United States). Those standards require that we plan and perform the audit to obtain reasonable assurance about whether the financial statements are free of material misstatement. The Plan is not required to have, nor were we engaged to perform, an audit of its internal control over financial reporting. Our audit includes consideration of internal control over financial reporting as a basis for designing audit procedures that are appropriate in the circumstances, but not for the purpose of expressing an opinion on the effectiveness of the Plan’s internal control over financial reporting. Accordingly, we express no such opinion. An audit also includes examining, on a test basis, evidence supporting the amounts and disclosures in the financial statements, assessing the accounting principles used and significant estimates made by management, as well as evaluating the overall financial statement presentation. We believe that our audits provide a reasonable basis for our opinion.
In our opinion, the financial statements referred to above present fairly, in all material respects, the net assets available for benefits of the Plan as of December 31, 2010 and 2009, and the changes in net assets available for benefits for the year ended December 31, 2010, in conformity with accounting principles generally accepted in the United States of America.
Our audits were conducted for the purpose of forming an opinion on the basic financial statements taken as a whole. The supplemental schedule of assets (held at end of year) as of December 31, 2010 is presented for the purpose of additional analysis and is not a required part of the basic financial statements, but is supplementary information required by the Department of Labor’s Rules and Regulations for Reporting and Disclosure under the Employee Retirement Income Security Act of 1974. This supplemental schedule is the responsibility of the Plan’s management. The supplemental schedule has been subjected to the auditing procedures applied in the audits of the basic financial statements and, in our opinion, is fairly stated in all material respects in relation to the basic financial statements taken as a whole.
/s/ McConnell & Jones LLP
Houston, Texas
May 27, 2011

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Waste Management Retirement Savings Plan
For Bargaining Unit Employees
Statements of Net Assets Available for Benefits
December 31, 2010 and 2009
                 
    2010     2009  
ASSETS:
               
INVESTMENTS, at fair value:
               
Plan interest in the Master Trust (Note 3)
  $ 9,658,077     $ 6,070,397  
 
           
Total investments
    9,658,077       6,070,397  
 
           
 
               
RECEIVABLES:
               
Employee contributions
    43,268       299  
Employer contributions
    15,508       16  
Notes receivable from participants
    286,389       200,450  
 
           
Total receivables
    345,165       200,765  
 
           
 
               
Net assets, reflecting investments at fair value
    10,003,242       6,271,162  
 
               
Adjustment from fair value to contract value for fully benefit-responsive investment contracts
    (44,070 )     (8,050 )
 
           
 
               
NET ASSETS AVAILABLE FOR BENEFITS
  $ 9,959,172     $ 6,263,112  
 
           
The accompanying notes are an integral part of these financial statements.

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Waste Management Retirement Savings Plan
For Bargaining Unit Employees
Statement of Changes in Net Assets Available for Benefits
Year Ended December 31, 2010
         
ADDITIONS TO NET ASSETS AVAILABLE FOR BENEFITS:
       
Contributions:
       
Employee
  $ 1,596,120  
Employer
    1,725,714  
 
     
 
    3,321,834  
 
       
Net investment gain from the Master Trust (Note 3)
    923,380  
Interest income on notes receivable from participants
    12,453  
 
     
Total additions
    4,257,667  
 
     
 
       
DEDUCTIONS FROM NET ASSETS AVAILABLE FOR BENEFITS:
       
Benefits paid to participants
    561,607  
 
     
Total deductions
    561,607  
 
     
 
       
NET INCREASE IN NET ASSETS AVAILABLE FOR BENEFITS
    3,696,060  
 
       
NET ASSETS AVAILABLE FOR BENEFITS:
       
Beginning of year
    6,263,112  
 
     
End of year
  $ 9,959,172  
 
     
The accompanying notes are an integral part of these financial statements.

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Waste Management Retirement Savings Plan
For Bargaining Unit Employees
Notes to Financial Statements
December 31, 2010
1. Description of Plan
The following description of the Waste Management Retirement Savings Plan for Bargaining Unit Employees (the “Plan”) provides only general information. Participants should refer to the Summary Plan Description and the plan document for a more complete description of the Plan’s provisions.
General
The Plan is a defined contribution plan available to all eligible employees, and their beneficiaries, of Waste Management Holdings, Inc. and subsidiaries (“Waste Management”), and its affiliates (as defined in the Plan). The Plan is subject to the provisions of the Employee Retirement Income Security Act of 1974, as amended (“ERISA”).
Administration
The board of directors of Waste Management, Inc. (the “Company”), the parent of Waste Management, has named the Administrative Committee of the Waste Management Employee Benefit Plans (the “Administrative Committee”) to serve as administrator and fiduciary of the Plan. Waste Management has entered into a Defined Contribution Plans Master Trust Agreement (the “Master Trust”) with State Street Bank and Trust Company (“State Street”) whereby State Street serves as trustee of the Plan. Lion Connecticut Holdings, Inc., a wholly-owned indirect subsidiary of ING America Insurance Holdings Inc. (“ING”), serves as recordkeeper.
Eligibility
Employees (as defined by the Plan) are eligible to participate in the Plan following completion of a 90-day period of service (as defined by the Plan) if they are covered by a collective bargaining agreement that provides for participation in the Plan.
Individuals who are ineligible to participate in the Plan consist of (a) leased employees; (b) individuals providing services to Waste Management as independent contractors; (c) certain nonresident aliens who have no earned income from sources within the United States of America; and (d) individuals who are participants in certain other pension, retirement, profit-sharing, stock bonus, thrift or savings plans maintained by Waste Management or the Company other than the Waste Management Pension Plan for Collectively Bargained Employees or such other plans as may from time to time be determined by the Administrative Committee.
Contributions
Participants may contribute from one percent to 25 percent of their pre-tax compensation, as defined by the Plan, not to exceed certain limits as described in the plan document (“Employee Contribution”). After-tax contributions are not permitted by the Plan. In addition, participants that are age 50 or older are eligible to make pre-tax catch-up contributions not to exceed certain limits described in the Plan document. Participants may also contribute amounts representing distributions from other qualified plans (“Rollover Contribution”). The Plan was amended to provide for Employer Contributions on behalf of eligible participants under the terms of certain applicable collective bargaining agreements.
Investment Options
In 2009 and 2010, the Plan, through its investments in the Master Trust, offered participants (a) five common/collective trust funds; (b) a Company common stock fund; (c) a self-managed account, which allows participants to select various securities sold on the New York Stock Exchange, American Stock Exchange and NASDAQ; (d) six target retirement-date funds, which are also common/collective trust funds; and (e) a stable value fund, which includes direct investments and investments in common/collective trust funds, managed by Galliard Capital Management (“Galliard”). With respect to the self-managed account, several restrictions apply and a minimum balance is required to participate. The Plan utilizes cash equivalents to temporarily hold monies pending settlement for transactions initiated by participants.

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Each participant who has invested in the Company common stock fund has the right to vote the shares of stock in his or her account with respect to any matter that comes before the shareholders for a vote. Additionally, if a participant invests in the self-managed account, the participant has the right to vote the shares of any common stock held in the participant’s account.
Vesting
Participants are immediately vested in their Employee Contributions, Rollover Contributions and Employer Contributions, plus earnings thereon.
Participant Accounts
Each participant’s account is credited with the participant’s Employee Contribution, Rollover Contribution and any Employer Contribution and an allocation of investment income and loss and expenses. Investment income and loss is allocated to a participant’s account based upon a participant’s proportionate share of the funds within the Master Trust.
Payment of Benefits
Upon retirement, disability or termination of employment, participants or, in the case of a participant’s death, their designated beneficiaries, may make withdrawals from their accounts as specified by the Plan. Prior to termination, participants who have reached age 59-1/2 may withdraw from the vested portion of their accounts. Distributions are made by a single lump-sum payment or direct rollover. Distributions of accounts invested in Company common stock may be taken in whole shares of common stock or cash.
Participants may make withdrawals from the pre-tax portion of their accounts, excluding certain earnings, in the event of proven financial hardship of the participant. Not more than one hardship withdrawal is permitted in any 12-month period, and the participant is not permitted to contribute to the Plan or any other plans maintained by the Company for six months after receiving the hardship distribution.
Notes Receivable from Participants
Notes receivable from participants represent participant loans that are recorded at their unpaid principal balance plus any accrued but unpaid interest. Interest income on notes receivable from participants is recorded when it is earned. No allowance for credit losses has been recorded as of December 31, 2010 and 2009. If a participant ceases to make loan repayments and the Plan administrator deems the participant loan to be a distribution, the participant loan balance is reduced and a benefit payment is recorded. Participants who are active employees may obtain loans of not less than $1,000 and a maximum of 50 percent of a participants’ vested accounts (excluding any amounts invested in the self-managed account) immediately preceding the loan grant date. In no event shall a loan exceed $50,000, reduced by the greater of (a) the highest outstanding balance of loans during the one-year period ending on the date before a new loan is made or modified, or (b) the outstanding balance of loans on the date a new loan is made or modified. Not more than one loan shall be outstanding at any time, except for multiple loans which (a) result from a merger of another plan into this Plan, or (b) result from a participant’s loan becoming taxable under Section 72(p) of the Internal Revenue Code of 1986, as amended (the “Code”). Interest rates and repayment terms are established by the Administrative Committee. Such loans shall be repaid by payroll deduction or any other method approved by the Administrative Committee. The Administrative Committee requires that: (a) repayments be made no less frequently than quarterly; (b) loans be repaid over a period not to exceed 54 months; and (c) repayments, including interest, be made in equal periodic payments over the term of the loan and applied to principal using a level amortization over the repayment period. Prepayment of a participant’s total principal amount outstanding is allowed at any time.
Administrative Expenses
Master Trust administrative expenses, including trustee, recordkeeping and investment management fees, are allocated in proportion to the investment balances of the underlying plans and are netted against investment income. Loan administration fees are charged directly to the account balance of the participant requesting the loan. Administrative expenses are reflected as a reduction of Master Trust investment income and are included in “Net investment gain from the Master Trust” in the accompanying Statement of Changes in Net Assets Available for Benefits. In 2010, Waste Management elected to pay certain audit and legal fees of the Plan.

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Reclassifications
Certain reclassifications have been made to the prior period financial information in order to conform to the current year presentation.
2. Summary of Accounting Policies
Basis of Accounting
The accompanying financial statements of the Plan have been prepared using the accrual basis of accounting in accordance with accounting principles generally accepted in the United States. Benefits are recorded when paid to participants.
Use of Estimates
The preparation of the financial statements, and accompanying notes and schedule, requires management to make estimates that affect accounting for, and recognition and disclosure of, plan assets and liabilities and additions and deductions to/from net assets available for benefits. These estimates must be made because certain information used is dependent on future events, cannot be calculated with a high degree of precision from available data or simply cannot be readily calculated based on generally accepted methods. In some cases, these estimates are particularly difficult to determine and management must exercise significant judgment. Actual results could differ materially from the estimates and assumptions used in the preparation of the financial statements.
Investments
The purpose of the Master Trust is the collective investment of the assets of participating employee benefit plans of Waste Management and the Company. The Master Trust’s assets are allocated among participating plans by assigning to each plan those transactions (primarily contributions, benefit payments and certain administrative expenses) which can be specifically identified, and by allocating among participating plans, in proportion to the fair value of the assets assigned to each plan, income and expenses resulting from the collective investment of the assets of the Master Trust.
Corporate stocks, mutual funds and publicly-traded partnership interests held by the Master Trust are stated at fair value based on quoted market prices as of the financial statement date. The fair values of the common/collective trust funds held by the Master Trust are generally based on net asset values established by State Street (the issuer of the common/collective trust funds) based on fair values of the underlying assets. The investment options available within the Plan include a stable value fund that invests in fully benefit-responsive guaranteed investment contracts (“GICs”) and synthetic investment contracts (“Synthetic GICs”). In accordance with authoritative guidance issued by the Financial Accounting Standards Board (“FASB”), the fully benefit-responsive investment contracts held by the stable value fund are reported at fair value. However, contract value is the relevant measurement attribute for fully benefit-responsive investment contracts because contract value is the amount participants would receive if they were to initiate permitted transactions under the terms of the Plan. Accordingly, the Statements of Net Assets Available for Benefits present both the fair value of the fully benefit-responsive investment contracts and an adjustment from fair value to contract value to arrive at Net Assets Available for Benefits. The fair value measurement of these investments is discussed further in Note 4. Short-term investments (included in amounts reported as common/collective trust funds herein) are stated at cost, which approximates fair value.
The Master Trust records purchases and sales of securities on a trade-date basis and dividends on the ex-dividend date. Interest income is recorded on the accrual basis.
Risks and Uncertainties
The Plan provides for investments in various securities that, in general, are exposed to various risks, such as interest rate, credit and overall market volatility risks. Due to the level of risk associated with certain investment securities, it is reasonably possible that changes in the values of investment securities will occur in the near term and that such changes could materially affect the amounts reported in the Statements of Net Assets Available for Benefits and participant account balances.

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3. Plan Interest in the Master Trust
The Plan investments are held in the Master Trust along with the Waste Management Retirement Savings Plan (the “Non-Union Plan”). As of December 31, 2010 and 2009, the Plan’s beneficial interest in the net assets of the Master Trust was 0.67% and 0.48%, respectively.
Neither the Plan nor the Non-Union Plan has an undivided interest in the investments held in the Master Trust since each plan’s interest in the investments of the Master Trust is based on the account balances of the participants and their elected investment fund options. However, the Plan’s beneficial interest in each of the underlying investment fund options does not vary significantly from the Plan’s beneficial interest in the total net assets of the Master Trust.
The net assets of the Master Trust consist of the following:
                 
    December 31,  
    2010     2009  
Assets:
               
Investments, at fair value:
               
Common/collective trust funds
  $ 959,174,765     $ 805,023,187  
Stable value fund
    344,899,671       326,037,431  
WM common stock
    111,844,911       103,671,704  
Corporate stocks — other than WM common stock
    14,363,774       10,959,252  
Mutual funds
    20,124,526       16,405,708  
Publicly-traded partnership interests and other
    424,601       290,033  
 
           
Total investments
    1,450,832,248       1,262,387,315  
 
               
Interest receivable
    282       216  
Cash, non-interest bearing
    74,641       4,624  
Securities sold receivable, net
          51,787  
 
           
Total assets
    1,450,907,171       1,262,443,942  
 
           
 
               
Liabilities:
               
Administrative fees payable
    705,257       689,511  
Securities purchased payable, net
    140,366        
 
           
Total liabilities
    845,623       689,511  
 
           
 
               
Net assets reflecting investments at fair value
    1,450,061,548       1,261,754,431  
Adjustment from fair value to contract value for fully benefit-responsive investment contracts
    (9,548,644 )     (3,044,004 )
 
           
 
               
Net assets, fully benefit-responsive investment contracts at contract value
  $ 1,440,512,904     $ 1,258,710,427  
 
           
Respective interests in the net assets of the Master Trust by the Non-Union Plan and the Plan are as follows:
                 
    December 31,  
    2010     2009  
Net assets reflecting investments at fair value:
               
Non-Union Plan interest
  $ 1,440,403,471     $ 1,255,684,034  
Plan interest
    9,658,077       6,070,397  
 
           
Total
  $ 1,450,061,548     $ 1,261,754,431  
 
           
 
               
Adjustment from fair value to contract value for fully benefit-responsive investment contracts:
               
Non-Union Plan interest
  $ (9,504,574 )   $ (3,035,954 )
Plan interest
    (44,070 )     (8,050 )
 
           
Total
  $ (9,548,644 )   $ (3,044,004 )
 
           
Net assets, fully benefit-responsive investment contracts at contract value:
               
 
               
Non-Union Plan interest
  $ 1,430,898,897     $ 1,252,648,080  
Plan interest
    9,614,007       6,062,347  
 
           
Total
  $ 1,440,512,904     $ 1,258,710,427  
 
           

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Income or loss from investments held in the Master Trust for the year ended December 31, 2010, was as follows:
                 
Net appreciation in fair value of:
               
Common/collective trust funds
  $ 116,116,987          
Stable value fund
    9,853,145          
WM common stock
    9,476,553          
Corporate stocks — other than WM common stock
    1,504,790          
Mutual funds
    1,487,235          
Publicly-traded partnership interests and other
    68,580          
 
             
Total net appreciation in fair value of investments
          $ 138,507,290  
Interest
            507  
Dividends — WM common stock
            3,892,543  
Dividends — other than WM common stock
            534,579  
Other income/(expense)
            5,849,999  
 
             
Total investment gain
            148,784,918  
Administrative fees
            3,309,663  
 
             
Net investment gain
          $ 145,475,255  
 
             
 
               
Non-Union Plan interest in net investment gain from the Master Trust
          $ 144,551,875  
Plan interest in net investment gain from the Master Trust
            923,380  
 
             
 
          $ 145,475,255  
 
             
4. Investment Contracts
The trust funds held by the Master Trust include a stable value fund that invests in fully benefit-responsive GICs and Synthetic GICs. The following disclosures provide information about the nature of these investments and how fair values of these investments are measured.
Guaranteed Investment Contracts — GICs are contracts that provide a specified rate of return for a specific period of time. The fair values of the GICs included in the Plan’s Stable Value Fund are measured by the investment manager using a discounted cash flow methodology. Under this approach, the cash flows of each individual contract are discounted at the prevailing interpolated swap rate as of the appropriate measurement date.
Synthetic Guaranteed Investment Contracts — Synthetic GICs are comprised of (a) individual assets or investments placed in a trust and (b) wrapper contracts that guarantee that participant transactions will be executed at contract value. The investment portfolio of a Synthetic GIC when coupled with a wrapper contract attempts to replicate the investment characteristics of traditional GICs.
The fair value of the Synthetic GICs included in the Plan’s stable value fund are measured as follows:
  Fair value of individual assets and investments — Individual assets and investments are valued at representative quoted market prices when available. Short-term securities, if any, are stated at amortized cost, which approximates fair value. Debt securities are valued by a pricing service based on market transactions for comparable securities and various relationships between securities that are generally recognized by institutional traders. Investments in regulated investment companies or collective investment funds are valued at the net asset value per share or unit on the valuation date. Any accrued interest on the underlying investments is also included as a component of the fair value of those investments.
 
  Fair value of wrapper contracts — The fair value of wrapper contracts is determined using a market approach discounting methodology that incorporates the difference between current market level rates for contract level wrap fees and the wrap fee being charged for the Synthetic GIC. This difference is calculated as a dollar value and discounted by the prevailing interpolated swap rate as of the appropriate measurement date.
The interest crediting rates for the traditional GICs are agreed to in advance with the issuer. The interest crediting rates for Synthetic GICs are calculated on a quarterly basis using the contract value, and the value, yield and duration of the underlying securities, but cannot be less than zero.

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During 2010, the stable value fund’s average yield based on actual earnings was 2.28% and 2.98% during 2010 and 2009, respectively, and its average yield based on the interest rate credited to participants was 3.16% and 3.07% during 2010 and 2009, respectively.
There are certain events not initiated by the Plan participants that could limit the ability of the Plan to transact with the issuer at GIC or Synthetic GIC contract value. Examples of such events include, but are not limited to: material amendments to the Plan documents or administration; changes to the participating Plans’ competing investment options including the elimination of equity wash provisions; bankruptcy of the Plan Sponsor or other events that would cause a significant withdrawal from the Plan; full or partial termination of the Plan; failure of the Plan to qualify for exemption from federal income taxes or any required prohibited transaction exemption under ERISA; any change in tax code, laws or regulations applicable to the Plan; and delivery of any communication to Plan participants designed to influence participants not to invest in the Fund. The Plan Sponsor does not believe that the occurrence of any of these events, which would limit the Plan’s ability to transact with the issuer at its contract value is, probable.
Contract issuers are generally not allowed to terminate GICs or Synthetic GICs and settle at an amount different from contract value unless there is a breach of contract which is not corrected within the time permitted by the contract.
5. Fair Value Measurements
FASB-issued authoritative guidance associated with fair value measurements provides a framework for measuring fair value and establishes a fair value hierarchy that prioritizes the inputs used to measure fair value, giving the highest priority to unadjusted quoted prices in active markets for identical assets or liabilities (Level 1 inputs) and the lowest priority to unobservable inputs (Level 3 inputs).
We use valuation techniques that maximize the use of observable inputs and minimize the use of unobservable inputs. In measuring the fair value of our assets and liabilities, we use market data or assumptions that we believe market participants would use in pricing an asset or liability, including assumptions about risk when appropriate.
The following tables provide by level, within the fair value hierarchy, a summary of investments of the Master Trust measured at fair value on a recurring basis:
                                 
            Fair Value Measurements at December 31, 2010 Using  
            Quoted     Significant        
            Prices in     Other     Significant  
            Active     Observable     Unobservable  
            Markets     Inputs     Inputs  
    Total     (Level 1)     (Level 2)     (Level 3)  
Common/collective trust funds -
                               
Short-term investment fund
  $ 1,672,227     $     $ 1,672,227     $  
Small cap investment fund
    65,811,512             65,811,512        
Large cap investment fund
    73,649,818             73,649,818        
S&P 500 investment fund
    211,654,748             211,654,748        
Bond market investment fund
    69,962,560             69,962,560        
International investment fund
    98,821,660             98,821,660        
Target date retirement funds
    437,602,240             437,602,240        
 
                       
Total common/collective trust funds
    959,174,765             959,174,765        
 
                       
 
                               
Stable value fund
    344,899,671             344,899,671        
WM common stock
    111,844,911       111,844,911              
Corporate stocks — other than WM common stock
    14,363,774       14,363,774              
Mutual funds
    20,124,526       20,124,526              
Publicly-traded partnership interests and other
    424,601       424,601              
 
                       
Total Investments of the Master Trust
  $ 1,450,832,248     $ 146,757,812     $ 1,304,074,436     $  
 
                       

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            Fair Value Measurements at December 31, 2009 Using  
            Quoted     Significant        
            Prices in     Other     Significant  
            Active     Observable     Unobservable  
            Markets     Inputs     Inputs  
    Total     (Level 1)     (Level 2)     (Level 3)  
Common/collective trust funds -
                               
Short-term investment fund
  $ 4,823,872     $     $ 4,823,872     $  
Small cap investment fund
    47,635,305             47,635,305        
Large cap investment fund
    65,474,846             65,474,846        
S&P 500 investment fund
    181,572,139             181,572,139        
Bond market investment fund
    54,012,817             54,012,817        
International investment fund
    87,176,367             87,176,367        
Target date retirement funds
    364,327,841             364,327,841        
 
                       
Total common/collective trust funds
    805,023,187             805,023,187        
 
                       
 
                               
Stable value fund
    326,037,431             326,037,431        
WM common stock
    103,671,704       103,671,704              
Corporate stocks — other than WM common stock
    10,959,252       10,959,252              
Mutual funds
    16,405,708       16,405,708              
Publicly-traded partnership interests and other
    290,033       290,033              
 
                       
Total Investments of Master Trust
  $ 1,262,387,315     $ 131,326,697     $ 1,131,060,618     $  
 
                       
6. Federal Income Taxes
The Plan has received a determination letter from the Internal Revenue Service (the “IRS”) dated November 30, 2001, stating that the Plan, as then designed, was then in compliance with the applicable requirements of the Internal Revenue Code (the “Code”). The Plan has been amended since receiving the determination letter. The Plan administrator and counsel believe that the plan is currently designed and being operated in compliance with the applicable requirements of the Code. If an operational issue is discovered, the Plan Sponsor has indicated that it will take any necessary steps to bring the Plan’s operations into compliance with the Code.
On January 11, 2010, Waste Management filed an application for a renewed favorable determination letter.
7. Reconciliation of Financial Statements to Form 5500
The following is a reconciliation of net assets available for benefits per the financial statements to the Form 5500 as of December 31, 2010 and 2009:
                 
    2010     2009  
Net assets available for benefits per the financial statements
  $ 9,959,172     $ 6,263,112  
Adjustment from fair value to contract value for fully benefit-responsive investment contracts
    44,070       8,050  
 
           
Net assets available for benefits per the Form 5500
  $ 10,003,242     $ 6,271,162  
 
           
The following is a reconciliation of the net increase in net assets available for benefits per the financial statements to the Form 5500 for the year ended December 31, 2010:
         
Net increase in net assets available for benefits per the financial statements
  $ 3,696,060  
Adjustment from fair value to contract value for fully benefit-responsive investment contracts at December 31, 2009
    (8,050 )
Adjustment from fair value to contract value for fully benefit-responsive investment contracts at December 31, 2010
    44,070  
 
     
Net increase in assets available for benefits per the Form 5500
  $ 3,732,080  
 
     
The accompanying financial statements present fully benefit-responsive investment contracts at contract value. The Form 5500 requires fully benefit-responsive investment contracts to be reported at fair value. Therefore, the adjustment from fair value to contract value for fully benefit-responsive investment contracts represents a reconciling item.

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8. Plan Termination
Although it has not expressed any intention to do so, subject to the terms of any applicable collective bargaining agreement, the Company has the right to terminate the Plan subject to the provisions of ERISA.
9. Bond Fund Performance Settlements
During 2007, there was a decline in the market value of the bond market fund that included a negative divergence from the performance benchmark. The decline led to initiation of a class-action lawsuit against State Street and its affiliate, State Street Global Advisors, Inc., with the Plan included in the represented class. A proposed settlement of that action was reached in November 2009.
In January 2010, after an evaluation of available alternatives and a verification of the methodology utilized by the class, including recommendations from independent advisors, the Administrative and Investment Committees for the Plan determined it was prudent for the Plan to participate in the class settlement. Following court approval of the settlement, the Master Trust for the Plan received a payment of $4,973,459 in May 2010.
In February 2010, the Securities and Exchange Commission announced that it had entered into a separate settlement agreement with State Street to resolve the SEC investigation into losses incurred by, and disclosures made with respect to, certain active fixed income strategies managed by State Street Global Advisors. Under the terms of the SEC agreement, the Master Trust for the Plan received an additional payment of $869,391 in March 2010.
In 2010, total settlement payments, including interest, of $5,846,428 were included in “Other income/(expense)” for the Master Trust, consisting of $5,834,373 for the Non-Union Plan and $12,055 for this Plan. Settlement proceeds were distributed on September 10, 2010 to impacted Plan participants, based on their daily account holdings during the third quarter of 2007.
10. Related Party Transactions
Certain investments of the Plan are managed by State Street. State Street is the trustee of the Plan and, therefore, these transactions qualify as party-in-interest transactions. The stable value fund is managed by Galliard, a subsidiary of Wells Fargo Bank, N.A., custodian for the fund. Therefore, these transactions qualify as party-in-interest transactions. Additionally, a portion of the Plan’s assets are invested in the Company’s common stock. Because the Company is the plan sponsor, transactions involving the Company’s common stock qualify as party-in-interest transactions. All of these transactions are exempt from the prohibited transactions rules.

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Waste Management Retirement Savings Plan
For Bargaining Unit Employees
Schedule H, Line 4(i) — Schedule of Assets (Held At End of Year)
EIN: 36-2660763                 Plan: 007
December 31, 2010
                 
Identity of Issue   Description of Investment     Current Value  
*Notes Receivable from Participants
  Various maturity dates with interest rates ranging from 4.25% to 9.25%   $ 286,389  
 
*   Party-in-interest

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SIGNATURES
The Plan. Pursuant to the requirements of the Securities Exchange Act of 1934, the Administrative Committee has duly caused this annual report to be signed on its behalf by the undersigned hereunto duly authorized.
         
  WASTE MANAGEMENT RETIREMENT
SAVINGS PLAN FOR BARGAINING
UNIT EMPLOYEES
 
 
Date: May 27, 2011  By:   /s/ Krista DelSota    
    Krista DelSota   
    Vice President, Compensation, Benefits and
Human Resources Information Management
Waste Management, Inc.

Member, Administrative Committee of the Waste
Management Employee Benefit Plans 
 

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INDEX TO EXHIBITS
         
Exhibit    
Number   Description
  23.1    
Consent of Independent Registered Public Accounting Firm

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