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title 40
Protection of Environment
chapter I-i15
CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)
part 63
PART 63—NATIONAL EMISSION STANDARDS FOR HAZARDOUS AIR POLLUTANTS FOR SOURCE CATEGORIES (CONTINUED)
subpart ZZZZZ
Subpart ZZZZZ—National Emission Standards for Hazardous Air Pollutants for Iron and Steel Foundries Area Sources
subjgrp 223
Applicability and Compliance Dates
Subjgrp 223. Applicability and Compliance Dates
§ 63.10880 - Am I subject to this subpart?
§ 63.10881 - What are my compliance dates?
