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title 40
Protection of Environment
chapter I-i10
CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)
part 63
PART 63—NATIONAL EMISSION STANDARDS FOR HAZARDOUS AIR POLLUTANTS FOR SOURCE CATEGORIES
subpart B
Subpart B—Requirements for Control Technology Determinations for Major Sources in Accordance With Clean Air Act Sections, Sections 112(g) and 112(j)
§ 63.45-63.49
§[Reserved]
View all text of Subpart B [§ 63.40 - § 63.56]
§§ 63.45-63.49 - §[Reserved]