Document:

Exhibit 10.4

                             AMENDMENT NO. 3 TO THE
                    EMPLOYMENT AGREEMENT FOR J. PAUL WITHROW

     This  AMENDMENT NO. 3 (this  "Amendment")  is to the  Employment  Agreement
dated February 19, 1999 (the "Employment Agreement"), and Amendment No. 1 to the
Employment Agreement (as amended by the Agreement Concerning  Employment Rights,
dated  January 27,  2000 (the "First  Amendment"),  and  Amendment  No. 2, dated
effective as of March 1, 2001,  by and between J. Paul Withrow,  an  individual,
hereinafter  referred to as  "Executive",  and  Synagro  Technologies,  Inc.,  a
Delaware corporation, hereinafter referred to as "Synagro" or the "Company."

     WHEREAS,  Executive and Synagro  desire and hereby  mutually agree to amend
the Executive's  Employment  Agreement and its Amendment Nos. 1 and 2 in certain
limited respects, as more specifically set forth below; and

     WHEREAS, capitalized terms not defined herein shall have the meanings given
to them in the Employment Agreement.

     NOW, THEREFORE, the parties hereto, in consideration of the mutual promises
and covenants set forth herein, agree as follows:

     Amendments to Employment Agreement and Amendment Nos. 1 and 2 Thereto.

     1.   Compensation.

          a.   Section "2.  Compensation" as previously amended by the Agreement
Concerning  Employment  Rights  shall be  referred to as  subsection  (a) and is
amended in part as follows:

          The annual  base  salary  stated in Section 2 is hereby  changed  from
          $175,000 to $255,000.

          b.   The following paragraph is added as Section 2(b):

               (b)  For so long as  Executive is employed by the Company and for
          thirty (30) days thereafter, the following shall apply:

               To the extent dividends are declared and paid on Synagro's Common
               Stock,  the Employee will be entitled to receive shares of Common
               Stock under the Synagro Technologies,  Inc. 2005 Restricted Stock
               Plan (or any successor equity  incentive plan thereto),  provided
               that such  Employee  then held options to purchase  Common Stock.
               The value of the shares of Common Stock  received  will equal the
               value of  dividends  that would  have been  payable on the Common
               Stock  underlying the options to purchase  Common Stock then held

                                                            Initials: __________

                                                            Initials: __________

                                       -1-

<PAGE>

               by such Employee if such options had been exercised. Common Stock
               awards  relating to options that are then vested and  exercisable
               will  not be  subject  to any  restriction  on  transfer.  Awards
               relating  to  options  that are not  then  vested  shall  contain
               appropriate  restrictions  on transfer that shall lapse when such
               options become vested and  exercisable.  If the option(s)  lapses
               and does not vest,  then the  restricted  common  stock  award(s)
               related to such  option(s)  shall be  forfeited  and  returned to
               Synagro pursuant to the 2005 Restricted Stock Plan.

     2.   Amendment to Amendment No. 2. The provisions of paragraph  number 1 of
Amendment  No. 2 to the  Employment  Agreement  of J. Paul Withrow is amended in
part to delete the following sentences in their entirety:

          As a  condition  to  receiving  the  Option  Payment,  Executive  must
          surrender all other options to purchase  Synagro  common stock that he
          has been granted. However, the Option Payment shall not be required to
          be made if  Executive  has, at any time,  whether  before or after the
          date of this agreement,  been granted (for purposes  hereof,  existing
          options  which are  repriced  to an  exercise  price of $2.50 shall be
          deemed to be  re-granted)  options to purchase an aggregate  amount of
          shares of common stock of Synagro equal to the Base Option Amount with
          an average strike price of $2.50 or less.

     Ratification. Except as expressly amended by this Amendment, the Employment
Agreement, Amendment No. 1 and Amendment No. 2 to the Employment Agreement of J.
Paul Withrow (herein  together "the  Agreement")  shall remain in full force and
effect.  None of the rights,  interests  and  obligations  existing and to exist
under the Agreement are hereby released, diminished or impaired, and the parties
hereby reaffirm all covenants, representations and warranties in the Agreement.

     IN WITNESS  WHEREOF;  the parties  have caused  this  Amendment  to be duly
executed on December 7, 2005.

                              SYNAGRO TECHNOLOGIES, INC., a
                              Delaware corporation

                              By:  s/s Alvin L. Thomas II
                                   ------------------------------------

                              Name:  Alvin L. Thomas II
                                     ----------------------------------

                              Title: EVP General Counsel
                                     ----------------------------------

                                                            Initials: __________

                                                            Initials: __________

                                       -2-

<PAGE>

     SUBSCRIBED  AND SWORN TO before me, the  undersigned  authority on this 7th
day of December, 2005.

                                      /s/
                                      ------------------------------------------
                                                    Notary Public

                                      By /s/   J. Paul Withrow
                                          --------------------------------------
                                      J.Paul Withrow, an individual

     SUBSCRIBED  AND SWORN TO before me, the  undersigned  authority on this 7th
day of December, 2005.

                                      /s/
                                      ------------------------------------------
                                                    Notary Public

                                      -3-Exhibit 10-41

    Exhibit
      10.41

     

    Summary
      of Compensation Arrangements for Mr. Moore

    

    In
      connection with the compensation arrangement effective December 15, 2005 for
      Michael O. Moore, Executive Vice President and Chief Financial Officer, this
      summary sheet sets forth the terms of these arrangements, which were approved
      by
      the Company’s Compensation Committee on November 8, 2005:

    

    
      	·  	
              Mr.
                Moore, who is an at-will employee, will be entitled to receive a
                base
                salary of $375,000.

            

    

    

    
      	·  	
              Mr.
                Moore will receive a one-time bonus of $266,000 payable at the end
                of the
                first quarter of 2006.

            

    

    

    
      	·  	
              Mr.
                Moore also will be eligible to participate in the Company’s annual
                incentive bonus plan for 2006, with a bonus potential of 60% of base
                salary (assuming all financial targets as specified in the bonus
                plan are
                met) not to exceed approximately 66% of base salary if financial
                targets
                are exceeded, subject to further change by the Compensation
                Committee.

            

    

    

    
      	·  	
              Mr.
                Moore is eligible to participate in the Company’s compensation and
                benefits programs generally available to its team members, including
                health, disability and life insurance programs, and a 401(k) plan.
                In
                addition, Mr. Moore is entitled to participate in the Company’s
                compensation and benefits programs generally available to the Company’s
                senior executive management team, including an unqualified deferred
                compensation plan and deferred stock unit plan. The deferred stock
                unit
                plan enables the participant to elect to defer salary and bonuses
                in the
                form of deferred stock units.

            

    

    

    
      	·  	
              Mr.
                Moore will be relocating to the Roanoke, VA area and is entitled
                to
                participate in the Company’s standard relocation program, which includes
                marketing and closing costs for the sale of his residence in the
                Charlotte, NC area, transportation of household goods, and temporary
                living expenses for a period of up to three months. The Company has
                agreed
                to extend, on a month to month basis as needed, temporary living
                costs
                beyond the three-month period provided in the policy. If Mr. Moore
                purchases a home and is unable to sell his existing home, the Company
                will
                cover the cost of the lesser of the two mortgage payments in lieu
                of
                temporary living expenses. In lieu of payment of a $10,000 miscellaneous
                expense allowance provided under the policy, the Company has agreed
                to
                reimburse Mr. Moore’s closing costs for the purchase of his new residence,
                including up to one point in loan origination or discount points,
                and to
                provide a $5,000 miscellaneous expense allowance.
                

            

    

    

    
      	·  	
              On
                December 19, 2005, Mr. Moore will receive options to purchase 45,000
                shares of the Company’s common stock at a price equal to the closing price
                of the common stock on the date of grant. The options will vest in
                three
                equal annual installments beginning one year from the date of grant.
                Mr.
                Moore will also be eligible to participate in the 2006 annual grant
                of
                stock options to senior executive
                management.

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