| Code of Federal Regulations, Title 40, Protection of Environment, Pt. 50-51, Revised As of July 1 2013 | | Compiled by:
| Office of the Federal Register (U.S.) Staff, | ISBN: | 978-0-16-091990-9 | Publication Date: | Sep 2013 | Publisher: | United States Government Printing Office
| Imprint: | Office of the Federal Register | Book Format: | Paperback | List Price: | USD $51.00 |
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