Exhibit 23.1
Consent of Independent Registered Public Accounting Firm
Waste Services, Inc.
Scottsdale, Arizona
We hereby consent to the incorporation by reference in the Registration Statements on Form S-3 (No. 333-116795) and Form S-8 (No. 333-117912) of Waste Services, Inc. of our report dated June 24, 2005, relating to the consolidated financial statements of Florida Recycling Services, Inc. which appear in this current report on Form 8-K/A.
BDO Seidman, LLP
Los Angeles, California
July 6, 2005