Document:

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                                                                     Exhibit 4.8

    SPECIMEN OF SERIES A CONVERTIBLE PAY-IN-KIND PREFERRED STOCK CERTIFICATE

                                     (FRONT)

                         INCORPORATED UNDER THE LAWS OF
                                    DELAWARE

NUMBER                                                                    SHARES

                              WCA WASTE CORPORATION

This Certifies that ______________________________________________________is the
registered holder of ____________________________________________________ Shares
of Series A Convertible Pay-In-Kind Preferred Stock, $0.01 par value per
share, of WCA Waste Corporation transferable only on the books of the
Corporation by the holder hereof in person or by Attorney upon surrender of this
Certificate properly endorsed.

      IN WITNESS WHEREOF, the said Corporation has caused this Certificate to be
signed by its duly authorized officers and its Corporate Seal be hereunto
affixed

             this ___________________ day of ____________ A.D. 20__

       /s/ Joseph J. Scarano, Jr.                         /s/ Ed Menger
       --------------------------                    ---------------------------
              Vice President       (CORPORATE SEAL)     Assistant Secretary

     THERE ARE RESTRICTIONS UPON THE SALE OR OTHER DISPOSITION OF THE SHARES
        EVIDENCED BY THIS CERTIFICATE AS SET FORTH ON THE REVERSE HEREOF.

<PAGE>

                                    (REVERSE)

THE SHARES REPRESENTED BY THIS CERTIFICATE ARE SUBJECT TO THE PROVISIONS OF A
STOCKHOLDER'S AGREEMENT DATED AS OF ________, 2006, BETWEEN WCA WASTE
CORPORATION AND CERTAIN STOCKHOLDERS OF WCA WASTE CORPORATION NAMED THEREIN AND
MAY NOT BE OFFERED, SOLD, TRANSFERRED, PLEDGED, HYPOTHECATED OR OTHERWISE
DISPOSED OF EXCEPT IN ACCORDANCE THEREWITH. A COPY OF SAID AGREEMENT IS ON FILE
AT THE OFFICE OF THE CORPORATE SECRETARY OF WCA WASTE CORPORATION.

NEITHER THESE SECURITIES NOR THE SECURITIES INTO WHICH THESE SECURITIES ARE
CONVERTIBLE HAVE BEEN REGISTERED WITH THE SECURITIES AND EXCHANGE COMMISSION OR
THE SECURITIES COMMISSION OF ANY STATE IN RELIANCE UPON AN EXEMPTION FROM
REGISTRATION UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE "SECURITIES
ACT"), AND, ACCORDINGLY, MAY NOT BE OFFERED, TRANSFERRED OR SOLD EXCEPT PURSUANT
TO AN EFFECTIVE REGISTRATION STATEMENT UNDER THE SECURITIES ACT OR PURSUANT TO
AN AVAILABLE EXEMPTION FROM, OR IN A TRANSACTION NOT SUBJECT TO, THE
REGISTRATION REQUIREMENTS OF THE SECURITIES ACT AND DELIVERY TO WCA WASTE
CORPORATION OF AN OPINION OF COUNSEL REASONABLY SATISFACTORY TO IT TO THE EFFECT
THAT SUCH TRANSFER IS EXEMPT FROM REGISTRATION UNDER THOSE LAWS, AND IN
COMPLIANCE WITH APPLICABLE STATE SECURITIES LAWS OR BLUE SKY LAWS.
NOTWITHSTANDING THE FOREGOING, THESE SECURITIES AND THE SECURITIES ISSUABLE UPON
CONVERSION OF THESE SECURITIES MAY BE PLEDGED TO AN "ACCREDITED INVESTOR" WITHIN
THE MEANING OF RULE 501(A) UNDER THE SECURITIES ACT IN CONNECTION WITH A BONA
FIDE MARGIN ACCOUNT SECURED BY SUCH SECURITIES.

                              WCA WASTE CORPORATION

                                   CERTIFICATE
                                       FOR

                     ---------------------------------------
                                     SHARES

                                       OF

                        SERIES A CONVERTIBLE PAY-IN-KIND
                                 PREFERRED STOCK
                                 $0.01 PAR VALUE

                                    ISSUED TO

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

                                      DATED

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

 For Value Received, ____________________________ hereby sell, assign and
  transfer unto ________________________________________________________________
__________________________________________________________________________Shares
Represented by the within Certificate, and do hereby irrevocably constitute
and appoint ___________________________________________________________________
Attorney to transfer the said Shares on the books of the within named
Corporation with full power of substitution in the premises.
           Dated_________   __________
               In presence of _________________________

NOTICE THE SIGNATURE OF THIS ASSIGNMENT MUST CORRESPOND WITH THE NAME AS WRITTEN
UPON THE FACE OF THE CERTIFICATE, IN EVERY PARTICULAR, WITHOUT ALTERATION OR
ENLARGEMENT, OR ANY CHANGE WHATEVER.Exhibit 10.3

                                                                 [COMERICA LOGO]

                                  CONFIRMATION

Date:    July 11, 2006

To:      Joe Scarano

         WCA Waste Corporation

         Phone: (713) 292-2410

         Fax: (713) 292-2455

From:    COMERICA BANK

Subject: Swap Transaction (Ref: SW1242)

      The purpose of this communication is to set forth the terms and conditions
of the swap transaction entered into on the Trade Date referred to below (the
"Swap Transaction@"), between COMERICA BANK ("Party A") and WCA WASTE
CORPORATION ("Party B"). This communication constitutes a "Confirmation" as
referred to in the Swap Agreement specified below.

      This confirmation supplements, forms part of, and is subject to, the
Master Agreement, which you have already received, between Party A and Party B
(the "Swap Agreement"). All provisions contained in, or incorporated by
reference to such Swap Agreement shall govern this Confirmation except as
expressly modified below.

      Party A and Party B each represent that entering into the Swap Transaction
is authorized and does not violate any laws of its jurisdiction of organization
or residence or the terms of any agreement to which it is a party, and it has
reached its own conclusions about the Swap Transaction, and any legal,
regulatory, tax, accounting or economic consequences arising from the Swap
Transaction, and has concluded that the Swap Transaction is suitable in light of
its own evaluation of the Swap Transaction and its own financial capabilities
and sophistication.

      This Confirmation incorporates the definitions and provisions contained in
the 2000 ISDA Definitions (as published by the International Swaps and
Derivatives Association, Inc.) (the "Definitions"). In the event of any
inconsistency between those definitions and provisions and this Confirmation,
this Confirmation will govern.

      The terms of the particular Swap Transaction to which this Confirmation
relates are as follows:

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<TABLE>
<S>                            <C>
Party A:                       COMERICA BANK

Party B:                       WCA WASTE CORPORATION

Notional Amount:               USD 150,000,000.00

Trade Date:                    July 7, 2006

Effective Date:                July 11, 2006

Termination Date:              November 1, 2010 , subject to adjustment In accordance with
                               the Modified Following Business Day convention, with respect
                               to a New York and London Banking Day.

FIXED AMOUNTS:

Fixed Rate Payer:              WCA WASTE CORPORATION
                               (Party B)

Fixed Rate Payer Payment       The last Business Day of March, June, September and December,
Dates [or, Period End Dates,   commencing September 29, 2006 , to and including September 30,
if Delayed Payment or          2010 and the Termination Date, subject to adjustment in
Early Payment applies:]        accordance with the Modified Following Business Day
                               convention, with respect to a New York Banking Day.

Fixed Rate:                    5.64%

Fixed Rate Day

Count Fraction:                Actual / 360

FLOATING AMOUNTS:

Floating Rate Payer:           COMERICA BANK
                               [Party A]

Floating Rate Payer Payment    The last Business Day of March, June, September and December, commencing
Dates [or, Period End Dates,   September 29, 2006 , to and including September 30, 2010 and the Termination
if Delayed Payment or          Date, subject to adjustment in accordance with the Modified Following Business
Early Payment applies]:        Day convention, with respect to a New York Banking Day.

Floating Rate for initial
</TABLE>

                                        2
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<TABLE>
<S>                            <C>
Period:                        5.51%

Floating Rate Option:          USD-LIBOR-BBA

Designated Maturity:           3 months with the exception of the final Calculation
                               Period which will be a Linear Interpolation

Floating Rate Spread:          N/A

Floating Rate Day
Count Fraction:                Actual / 360

Reset Dates:                   The first day of each Floating Rate Payer Calculation
                               Period

CALCULATION AGENT:             Comerica Bank

OFFICES:                       Party A is not a Multi branch Party

                               Party B is not a Multi branch Party

OTHER PROVISIONS:

PAYMENT INSTRUCTIONS FOR
PARTY A:                       COMERICA CHECKING ACCOUNT:
                               #

PAYMENT INSTRUCTIONS FOR
PARTY B:                       COMERICA CHECKING ACCOUNT:
                                #
</TABLE>

                                        3
<PAGE>

Please confirm that the foregoing correctly sets forth the terms of our
agreement with respect to the Swap Transaction by signing in the space provided
below and sending a copy of the executed Confirmation by fax (248-371-6801).

It has been a pleasure working with you on this transaction and we look forward
to working with you again in the future.

                                         CONFIRMED:

COMERICA BANK                            WCA WASTE CORPORATION

By: /s/ Michael D. Burck                 By: /s/ Kevin D. Mitchell
    ------------------------                 -----------------------------------
Name:    Michael D. Burck                Name:  Kevin D. Mitchell
Title:   Vice President                  Title:  Vice President and Controller

                                        4

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