Exhibit 3.844

STATE OF DELAWARE

SECRETARY OF STATE

DIVISION OF CORPORATIONS

FILED 02:30 PM 10/22/1998

981408967 — 2958660

CERTIFICATE OF FORMATION

OF

REPUBLIC SERVICES OF CALIFORNIA HAULING, LLC

1.	The name of the limited liability company is Republic Services of California Hauling, LLC.
2.	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 the registered agent at such address in The Corporation Trust Company.
	IN WITNESS WHEREOF, the undersigned has executed this Certificate of Formation of Republic Services of California Hauling, LLC this 22nd day of October, 1998.

/s/ David A. Barclay  

David A. Barclay, Vice President and 

Authorized Person 

CERTIFICATE OF AMENDMENT

OF

REPUBLIC SERVICES OF CALIFORNIA HAULING, LLC

1.	The name of the Limited liability company is Republic Services of California Hauling, LLC.
2.	The Certificate of Formation of the limited liability company is hereby amended as follows:
	The new name of this limited liability company is Republic Services Vasco Road, LLC
3.	This Certificate of Amendment shall be effective on July 22, 1999.

IN WITNESS WHEREOF, the undersigned has executed this Certificate of Amendment of Republic Services of California Hauling, LLC, this Twenty-Second day of July, 1999.

/s/ David A. Barclay  

David A. Barclay, Vice President 

(DEL. — LLC 3240-10/1/92)