Tóm tắt nội dung:   Air Permits for  New Source A facility that proposes to add or modify a source of air pollution may be required to obtain an approved air permit before starting construction of the new source. Local regulations define the permit requirements for small sources. Federal regula-tions define the air permit application requirements for major stationary sources. The process for evaluation and approval of a new major source permit application is called New Source Review (NSR). It covers permits...