The EMC provides technical expertise and guidance specific to the implementation of the emission testing methods.
This US EPA web site is a rich resource for information on all aspects of air quality, both in technical language for environmental professionals and in plain English for lay people.
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 Federal Register is the daily publication for rules, proposed rules, and notices of Federal Agencies.
AIRS is the world