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title 40
Protection of Environment
chapter I-i11
CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)
part 63
PART 63—NATIONAL EMISSION STANDARDS FOR HAZARDOUS AIR POLLUTANTS FOR SOURCE CATEGORIES (CONTINUED)
subpart XX
Subpart XX—National Emission Standards for Ethylene Manufacturing Process Units: Heat Exchange Systems and Waste Operations
subjgrp 23
Repair Requirements for Heat Exchange Systems
Subjgrp 23. Repair Requirements for Heat Exchange Systems
§ 63.1087 - What actions must I take if a leak is detected?
§ 63.1088 - In what situations may I delay leak repair, and what actions must I take for delay of repair?
