The Code of Federal Regulations is a codification of the general and permanent rules published in the Federal Register by the Executive departments and agencies of the United States Federal Government.

This print ISBN is the U.S. Federal Government official edition. 40CFR, Parts 53-59, continues coverage of Protection of Environment, Environmental Protection Agency (EPA)--Air Programs. Topics treated include: ambient air monitoring reference and equivalent methods, prior notice of citizen suits, air quality regulations and surveillance, National Volatile Organic Compound Emission Standards for Consumer and Commercial Products, and more. Related items: The Annual CFR Print Subscription 2017 edition can be found here: https://bookstore.gpo.gov/products/code-federal-regulations-subscription-service-2017-paperback-0 CFR Title 40, Protection of Environment publications can be found here: https://bookstore.gpo.gov/catalog/cfr-title-40-protection-environment Environment & Nature Legislation publications can be found here: https://bookstore.gpo.gov/catalog/environment-nature-legislation Environment & Nature publications can be found here: https://bookstore.gpo.gov/catalog/environment-nature

The Code of Federal Regulations is a codification of the general and permanent rules published in the Federal Register by the Executive departments and agencies of the United States Federal Government.