Air Toxics Notebook
Equipment Leaks for Organic HAPs from SOCMI -  Subpart H

Applicability: eCFR Subpart H [ecfr.gov]

This subpart applies to:
  1. Any of the following that are intended to operate in organic HAP service at least 300 hours/year at a Major Source of HAPs* subject to any NESHAP in 40 CFR Part 63:
    1. Pumps;
    2. Compressors;
    3. Agitators;
    4. Pressure relief devices;
    5. Sampling connection systems;
    6. Open-ended valves or lines;
    7. Valves;
    8. Connectors;
    9. Surge control vessels;
    10. Bottoms receivers;
    11. Instrumentation systems;
    12. Control devices or closed vent systems required by this subpart.
*Major Sources of HAPs emit or have the potential to emit:
  • ≥ 10 tons/year of any single HAP; or
  • ≥ 25 tons/year of total HAPs.
  • Area Sources emit less than Major Sources.

Exemptions from this subpart:
  1. Except as provided in any subpart that references this subpart, lines and equipment not containing process fluids are not subject to the provisions of this subpart.
    1. Utilities, and other non-process lines, such as heating and cooling systems which do not combine their materials with those in the processes they serve, are not considered to be part of a process unit.
  2. Research and development facilities or bench-scale batch processes.
Rules apply to small, area sources? No
Known Sources in NDEQ Jurisdiction: No
Date of Original Final Rule: 4/22/94
Amendments Dates: 12/21/2006 - Final Rule
06/23/2003 - Final Rule
01/22/2001 - Amendments
12/14/2000 - Amendments
04/26/1999 - Amendments
01/17/1997 - Amendments
06/20/1996 - Amendments
12/12/1995 - Amendments
04/10/1995 - Direct Final Rule & Amendments
01/27/1995 - Extension of Compliance
10/24/1994 - Amendments
09/20/1994 - Corrections
State Regulations (Title 129): September 28, 2022: Title 129, Chapter 13, Section 002.04

Previously: Chapter 28, Section 001.22.

Sources are also responsible for ensuring they are in compliance with current federal requirements found for this subpart in the CFR.
Federal Regulations: 40 CFR 63.160
Related Rules:

NSPS - 40 CFR Part 60

Subpart Kb – Volatile Organic Liquid Storage Vessels
Subparts T, U, V, W, X & PP – Fertilizer Production
Subparts VV, VVa, III, NNN, & RRR – SOCMI Facilities
Subpart GGG - Equipment Leaks of VOC in Petroleum Refineries
Subpart KKK - Equipment Leaks of VOC from Onshore Natural Gas Processing Plants


NESHAP - 40 CFR Part 63
Subpart FOrganic Hazardous Air Pollutants from the Synthetic Organic Chemical Manufacturing Industry (SOCMI)
Subpart G - Equipment Specific Organic Hazardous Air pollutants from SOCMI
Subpart I - Equipment Leaks of Hazardous Organics from Non-SOCMI Sources
Regulations and Federal Registers:
eCFR Subpart H [ecfr.gov]

(See attached file: 1F-1G-1H - Fed. Reg. 2006-12-21 - Final Rule.pdf)

(See attached file: 1F-1G-1H - Fed. Reg. 2003-06-23 - Final Rule.pdf)

(See attached file: 1F-1G-1H - Fed. Reg. 2001-01-22 - Final Rule.pdf)

(See attached file: 1F-1G-1H - Fed. Reg. 1997-01-17 - Final Rule.pdf)

(See attached file: 1F-1H - Fed. Reg. 1996-06-20 - Final Rule; Amendments.pdf)

(See attached file: 1F-1G-1H - Fed. Reg. 1995-12-12 - Final Rule; Amendments.pdf)

(See attached file: 1F-1G-1H - Fed. Reg. 1995-04-10 - Direct Final Rule.pdf)

(See attached file: 1F-1G-1H - Fed. Reg. 1995-04-10 - Final Rule; Amendments.pdf)

(See attached file: 1F-1G-1H - Fed. Reg. 1995-01-27 - Final Rule; Extension of Compliance.pdf)

SizeFile Name
226 KB 1F-1G-1H - Fed. Reg. 2006-12-21 - Final Rule.pdf
281 KB 1F-1G-1H - Fed. Reg. 2003-06-23 - Final Rule.pdf
497 KB 1F-1G-1H - Fed. Reg. 2001-01-22 - Final Rule.pdf
1,901 KB 1F-1G-1H - Fed. Reg. 1997-01-17 - Final Rule.pdf
155 KB 1F-1H - Fed. Reg. 1996-06-20 - Final Rule; Amendments.pdf
193 KB 1F-1G-1H - Fed. Reg. 1995-12-12 - Final Rule; Amendments.pdf
135 KB 1F-1G-1H - Fed. Reg. 1995-04-10 - Direct Final Rule.pdf
149 KB 1F-1G-1H - Fed. Reg. 1995-04-10 - Final Rule; Amendments.pdf
114 KB 1F-1G-1H - Fed. Reg. 1995-01-27 - Final Rule; Extension of Compliance.pdf
Forms:
Important Dates:
FAQs, Fact Sheets, and Rule Summaries: Texas CEQ - Rule Flowchart [tceq.texas.gov]

EPA's HON Website [epa.gov]- Contains federal register notices and implementation tools

Presentations, Training and Articles:
Other Information and Resources:
Notes:
Page Last Updated: 12/2/22