Attached files

file filename
10-K - HUDSON TECHNOLOGIES 10K 2009 - HUDSON TECHNOLOGIES INC /NYk10_2009sec.htm
EX-21 - EXHIBIT 21 - HUDSON TECHNOLOGIES INC /NYk10_2009-ex21.htm
EX-32.1 - EXHIBIT 32.1 - HUDSON TECHNOLOGIES INC /NYk10_2009-ex321.htm
EX-32.2 - EXHIBIT 32.2 - HUDSON TECHNOLOGIES INC /NYk10_2009-ex322.htm
EX-31.2 - EXHIBIT 31.2 - HUDSON TECHNOLOGIES INC /NYk10_2009-ex312.htm
EX-31.1 - EXHIBIT 31.1 - HUDSON TECHNOLOGIES INC /NYk10_2009-ex311.htm
EX-10.54 - EXHIBIT 10.54 - HUDSON TECHNOLOGIES INC /NYk10_2009-ex1054.htm

Exhibit 23.1:

Consent of Independent Registered Public Accounting Firm

Hudson Technologies, Inc.

Pearl River, New York

We hereby consent to the incorporation by reference in the Registration Statements on Form S-8 (No. 333-17133, No. 333-38598, No. 333-129057 and No. 333-164650) and Form S-3 (No. 333-151973) of Hudson Technologies, Inc. of our report dated March 1, 2010 relating to the consolidated financial statements, which appears in this Form 10-K.

 

/s/ BDO Seidman, LLP

Valhalla New York

March 1, 2010