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8-K - 8-K - Horsehead Holding Corp | a8knewaccountantsall.htm |
EXHIBIT 16.1
March 21, 2016
U.S. Securities and Exchange Commission
Office of the Chief Accountant
100F Street, N.E.
Washington, DC 20549
Re: Horsehead Holding Corp.
File No. 001-33658
Dear Sir or Madam:
We have read Item 4.01 of Form 8-K of Horsehead Holding Corp. (Registrant) dated March 15, 2016, and agree with the statements concerning our Firm contained under Item 4.01(a) therein.
Very truly yours,
/s/ Grant Thornton LLP