42 U.S.C. ยง 7475
United States Code, 2018 Edition
Title 42 - THE PUBLIC HEALTH AND WELFARE
CHAPTER 85 - AIR POLLUTION PREVENTION AND CONTROL
SUBCHAPTER I - PROGRAMS AND ACTIVITIES
Part C - Prevention of Significant Deterioration of Air Quality
subpart i - clean air
Sec. 7475 - Preconstruction requirements
From the U.S. Government Publishing Office,