Air Toxics Notebook
Marine Vessel Loading Operations -  Subpart Y

Applicability: eCFR Subpart Y [ecfr.gov]

This subpart applies to:
  1. Marine tank vessel loading operations.

Not subject to this subpart:
  1. Loading operations of commodities with vapor pressures less than 10.3 kPa at standard temperature and pressure.
  2. Loading operations located at existing offshore loading terminals.
  3. Ballasting operations.

Partial Exemptions**:
  1. Existing Area Sources* are not subject to emission standards.
  2. Sources with throughputs less than 10 M barrels and 200 M barrels are not subject to emission standards.
  3. Loading operations where emissions are reduced by using a vapor balancing system are only subject to vapor collection system, ship-to-shore compatibility, and vapor tightness requirements.
  4. Loading operations contiguous with refinery operations subject to NESHAP CC.
  5. Loading operations with benzene emissions subject to Part 61 NESHAP BB.
  6. Loading operations at loading berths that only transfer liquids containing organic HAP as impurities.
**Certain rule requirements may still apply. Please see the rule text for full details.


*Area Sources emit or have the potential to emit:
  • < 10 tons/year of any single HAP; or
  • < 25 tons/year of total HAPs.
  • Major Sources emit more than Area Sources.
Rules apply to small, area sources? Yes
Known Sources in NDEQ Jurisdiction: No
Date of Original Final Rule: 9/19/95
Amendments Dates: 04/21/2011 - Final Rule
State Regulations (Title 129): 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 63.560
Related Rules:

NESHAP - 40 CFR Part 61 [ecfr.gov]

Subpart BB - Benzene Emissions from Benzene Transfer Operations

NESHAP - 40 CFR Part 63
Subpart CC - Petroleum Refineries
Subpart EEEE - Organic Liquids Distribution (non-gasoline)
Regulations and Federal Registers:
eCFR Subpart Y [ecfr.gov]

(See attached file: 1Y - Fed. Reg. 2011-04-21 - Final Residual Risk.pdf)

(See attached file: 1Y - Fed. Reg. 1995-09-19 - Final Rule.pdf)

SizeFile Name
601 KB 1Y - Fed. Reg. 2011-04-21 - Final Residual Risk.pdf
389 KB 1Y - Fed. Reg. 1995-09-19 - Final Rule.pdf
Forms:
Important Dates:
FAQs, Fact Sheets, and Rule Summaries: Texas CEQ - Rule Flowchart [tceq.texas.gov]

EPA's Subpart Y Website [epa.gov] - Contains federal register notices
Presentations, Training and Articles:
Other Information and Resources:
Notes:
Page Last Updated: 2/6/18