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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 25
Background for Waste Requirements
Subjgrp 25. Background for Waste Requirements
§ 63.1091 - What do the waste requirements do?
§ 63.1092 - What are the major differences between the requirements of 40 CFR part 61, subpart FF, and the waste requirements for ethylene production sources?
