Exhibit 3.616

STATE OF DELAWARE

SECRETARY OF STATE

DIVISION OF CORPORATIONS

FILED 09:00 AM 09/04/1997

971295668 - 2792672

CERTIFICATE OF FORMATION
OF
LIBERTY WASTE SERVICES LIMITED, L.L.C.

A Limited Liability Company

     FIRST: The name of the limited liability company is:

Liberty Waste Services Limited, L.L.C.

     SECOND: The address of the limited liability company’s registered office in the State of Delaware is 1013 Centre Road, in the City of Wilmington, County of New Castle. The name of its registered agent at such address is Corporation Service Company.

     THE UNDERSIGNED, being the individual forming the limited liability company, has executed, signed and acknowledged this Certificate of Formation this 4^th day of September, 1997,

/s/ Cindy Sabish  

Cindy Sabish 

Authorized person 

CERTIFICATE OF AMENDMENT

OF

LIBERTY WASTE SERVICES LIMITED, L.L.C.

1.	The Name of the limited liability company is LIBERTY WASTE SERVICES LIMITED, L.L.C.
2.	The Certificate of Formation of the limited liability company is hereby amended as follows:
	The address of its registered office in the State of Delaware is Corporation Trust Center, 1209 Orange Street, in the City of Wilmington, County of New Castle. The name of its registered agent at such address is The Corporation Trust Company.

IN WITNESS WHEREOF, the undersigned has executed this Certificate of Amendment of LIBERTY WASTE SERVICES LIMITED, L.L.C. this 7^th day of April, 1999.

/s/ Jo Lynn White