40 CFR Ch. I (7117 Edition) Environmental Protection ...
July 1, 2017 Title 40 Protection of Environment Parts 1000 to 1059 Revised as of July 1, 2017 Containing a codification of documents of general applicability and future effect As of July 1, 2017. Published by the Office of the Federal Register National Archives and Records Administration as a Special Edition of the Federal Register