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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 22
Monitoring Requirements for Heat Exchange Systems
Subjgrp 22. Monitoring Requirements for Heat Exchange Systems
§ 63.1086 - How must I monitor for leaks to cooling water?
