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Federal regulations · Through 2026-08-25 · Newer source version available

40 CFR Table 1 to Subpart Q of Part 63: Table 1 to Subpart Q of Part 63—General Provisions Applicability to Subpart Q

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Where this section sits in the code
  1. Title 40—Protection of Environment
  2. CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY
  3. SUBCHAPTER C—AIR PROGRAMS
  4. PART 63—NATIONAL EMISSION STANDARDS FOR HAZARDOUS AIR POLLUTANTS FOR SOURCE CATEGORIES
  5. Subpart Q—National Emission Standards for Hazardous Air Pollutants for Industrial Process Cooling Towers

Reference Applies to Subpart Q Comment

63.1 Yes

63.2 Yes

63.3 No

63.4 Yes

63.5 No

63.6 (a), (b), (c), and (j) Yes

63.6 (d), (e), (f), (g), (h), and (i) No

63.7 No

63.8 No

63.9(a), (b)(1), (b)(3), (c), (h)(1), (h)(3), (h)(6), (j), and (k) Yes § 63.9(k) only as specified in 63.9(j).

63.10 (a), (b)(1), (b)(2)(xii), (b)(2)(xiv), (b)(3), (d), and (f) Yes Section 63.406 requires an onsite record retention of 5 years.

63.10 (b)(2) (i) to (xi), (c), and (e) No

63.11 No

63.12 to 63.15 Yes

Collected 2026-08-27T02:26:04Z. Source file · JSON

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