These methods are approved alternatives to the methods required by 40 CFR Parts 60, 61 and 63. These test methods may be used to determine compliance with the requirements of these Parts without further EPA approval.
The methods in this category are not likely to be technically supported by EPA staff and are more likely to change based on the review of additional validation studies or on public comment prior to adoption as a federal reference method.
A resource for information on all aspects of air quality. This website offers articles with both technical writing for environmental professionals, as well as plain English for those that are not as familiar with the terms.
In 2000, the Office of the Federal Register (OFR) and the Government Printing Office created the Electronic Code of Federal Regulations (e-CFR) prototype. The OFR updates the e-CFR prototype on a frequent basis, providing the public with up-to-date access.
The Occupational Safety and Health Administration (OSHA) ensures safe and healthful workplaces for all employees by setting and enforcing standards and providing training, outreach and educational assistance.