Regulacje i polityka gospodarcza · 12.12.2001
Regional Haze Regulations; Availability of Draft Guidance Documents
We, the EPA are announcing today the availability of draft guidance to assist State and tribal air pollution control agencies in the implementation of regulations governing regional haze which were published in the Federal Register on July 1, 1999. These draft documents address the establishment of natural visibility conditions and the tracking of progress under the regional haze program.