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Filing Detail
Form 10-Q - Quarterly report [Sections 13 or 15(d)]
SEC Accession No. 0001193125-12-215197
Filing Date
2012-05-07
Accepted
2012-05-07 16:38:32
Documents
10
Period of Report
2012-03-31
Filing Date Changed
2012-05-07

Document Format Files

Seq Description Document Type Size
1 10-Q d335203d10q.htm 10-Q 565801
2 EX-31.1 d335203dex311.htm EX-31.1 6166
3 EX-31.2 d335203dex312.htm EX-31.2 6233
4 EX-32.1 d335203dex321.htm EX-32.1 4422
  Complete submission text file 0001193125-12-215197.txt   2467925

Data Files

Seq Description Document Type Size
5 XBRL INSTANCE DOCUMENT zinc-20120331.xml EX-101.INS 287892
6 XBRL TAXONOMY EXTENSION SCHEMA zinc-20120331.xsd EX-101.SCH 16773
7 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE zinc-20120331_cal.xml EX-101.CAL 42256
8 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE zinc-20120331_def.xml EX-101.DEF 10206
9 XBRL TAXONOMY EXTENSION LABEL LINKBASE zinc-20120331_lab.xml EX-101.LAB 155698
10 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE zinc-20120331_pre.xml EX-101.PRE 95638
Mailing Address 4955 STEUBENVILLE PIKE SUITE 405 PITTSBURGH PA 15205
Business Address 4955 STEUBENVILLE PIKE SUITE 405 PITTSBURGH PA 15205 724-773-2212
Horsehead Holding Corp (Filer) CIK: 0001385544 (see all company filings)

IRS No.: 000000000
Type: 10-Q | Act: 34 | File No.: 001-33658 | Film No.: 12818329
SIC: 3330 Primary Smelting & Refining of Nonferrous Metals
Assistant Director 9