Oregon Administrative Rules
Chapter 340 - DEPARTMENT OF ENVIRONMENTAL QUALITY
Division 232 - EMISSION STANDARDS FOR VOC POINT SOURCES
Section 340-232-0110 - Loading Gasoline and Volatile Organic Liquids onto Marine Tank Vessels
Current through Register Vol. 63, No. 3, March 1, 2024
(1) Applicability. This rule applies to loading events at any location within the Portland ozone air quality maintenance area when a liquid product identified in subsection (a) or (b), as applicable, is placed into a marine tank vessel cargo tank; or where any liquid is placed into a marine tank vessel cargo tank that had previously held a liquid product identified in subsection (a) or (b), as applicable. The owner or operator of each marine terminal and marine tank vessel is responsible for and must comply with this rule.
(2) Exemptions. The following activities are exempt from the marine vapor control emission limits of this rule:
(3) Vapor Collection System. The owner or operator of a marine terminal subject to this rule must equip each loading berth with a vapor collection system that is designed to collect all displaced VOC vapors during the loading of marine tank vessels. The owner or operator of a marine tank vessel subject to this rule must equip each marine tank vessel with a vapor collection system that is designed to collect all displaced VOC vapors during the loading of marine tank vessels. The collection system must be designed such that all displaced VOC vapors collected during any loading event are vented only to the control device.
(4) Marine Vapor Control Emission Limits. Vapors that are displaced and collected during marine tank vessel loading events must be reduced from the uncontrolled condition by at least 95 percent by weight, as determined by EPA Method 25 or other methods approved under OAR 340-212-0140, or limited to 5.7 grams per cubic meter (2 pounds per 1000 barrels) of liquid loaded.
(5) Operating Practice and Maintenance.
(6) Monitoring and recordkeeping. Marine terminal operators must maintain operating records for at least five years of each loading event at their terminal. Marine tank vessel owners and operators are responsible for maintaining operating records for at least five years for all loading events involving each of their vessels. Records must be made available to DEQ upon request. These records must include but are not limited to:
(7) Lightering exempted from controls by subsection (2)(b) must be curtailed from 2:00 a.m. until 2:00 p.m. when DEQ declares a Clean Air Action day. If DEQ declares a second clean air action day before 2:00 p.m. of the first curtailment period, then such uncontrolled lightering must be curtailed for an additional 24 hours until 2:00 p.m. on the second day. If a third clean air action day in a row is declared, then uncontrolled lightering is permissible for a 12-hour period starting at 2 p.m. on the second clean air action day and ending at 2 a.m. on the third clean air action day. Uncontrolled lightering must be curtailed from 2 a.m. until 2 p.m. on the third clean air action day. If DEQ continues to declare clean air action days consecutively after the third day, the curtailment and loading pattern used for the third clean air action day will apply.
(8) Safety/Emergency Operations. Nothing in this rule is intended to:
[NOTE: This rule is included in the State of Oregon Clean Air Act Implementation Plan that EQC adopted under OAR 340-200-0040.]
[NOTE: View a PDF of referenced EPA Methods by clicking on "Tables' link below OAR 340-232-8010.]
Statutory/Other Authority: 468.020, 468A.025, 468A.035 & 468A.070
Statutes/Other Implemented: ORS 468A.025 & 468A.070