Linn County Air Quality Division
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Gasoline Dispensing Facilities

40 CFR Part 63, Subpart CCCCCC (NESHAP 6C)

NESHAP 6C Fact Sheet (PDF File)
General Requirements - < 10,000 gallons per month (PDF File)
General Requirements - > 10,000 and ≤ 100,000 gallons per month (DOC File | PDF File)
General Requirements - ≥ 100,000 gallons per month (DOC File | PDF File)

Initial Notification Form - January 10, 2008 (DOC File | PDF File)
Notification of Compliance Status Form - May 9, 2008 (DOC File | PDF File)
Annual Compliance Report - Due March 15 each year for the previous calendar year.

Brief Summary
New EPA Regulations for
Gasoline Dispensing Facilities
40 CFR Part 63, Subpart CCCCCC

EPA has new requirements to reduce air pollution from gasoline dispensing facilities (GDF)1,2. The gasoline vapor from these facilities contain hazardous air pollutants (HAP), which pose a health risk when inhaled. By installing the controls required by this rule, the amount of HAP released to the atmosphere are reduced by about 5 million pounds.

Three levels of control are required for some owners or operators of these facilities:

  • All owners or operators will be required to minimize evaporation by improved work practices.
  • Additionally, larger facilities will install equipment to reduce the amount of vapors generated (called "submerged fill pipes" or "drop tubes").
  • The largest facilities are also required to capture and send vapors back into the delivery tank truck (called "vapor balancing controls), so that the vapors can be disposed of properly.

This rule applies to existing or new GDF. The affected source includes each gasoline cargo tank during the delivery of product to a GDF and also includes each storage tank. Additionally, depending on where the GDF is located, there may be state or local rules already in place requiring these controls. The equipment used for refueling of motor vehicles is not covered by this rule, but is controlled by other regulations set in the 1990’s.

This is a short list of things a GDF must do to meet the new rule requirements. For more details and assistance, please contact a staff member.3

Equipment Requirements (vary by size):

  1. Facilities with a monthly throughput of under 10,000 gallons per month must:
    • Minimize spills, and if there is a spill, clean it up as quickly as possible.
    • Cover gasoline containers & storage tank fill pipes with gasketed seal.
    • Minimize gasoline sent to open collection systems.
  2. Facilities with a monthly throughput at or above 10,000 gallons must meet all the requirements in #1 and also:
    • Load all storage tanks at or above 250 gallons capacity using submerged fill (drop tubes).
  3. Facilities with a monthly throughput at or above 100,000 gallons must meet all of the requirements in #1 and #2 and either:
    • Operate a vapor balance system that meets a specified enforceable State, local, or tribal rule or permit -or-
    • Operate vapor balance system during storage tank loadings, test the system periodically to make sure it is working correctly and includes specific equipment and work practices, or meets 95% control.

For more details and assistance, please contact a staff member. These web links to government contacts are a good place to start:

1Gasoline dispensing facility (GDF) means any stationary facility which dispenses gasoline into the fuel tank of a motor vehicle, motor vehicle engine, nonroad vehicle, or nonroad engine, including a nonroad vehicle or nonroad engine used solely for competition. These facilities include, but are not limited to, facilities that dispense gasoline into on- and off-road, street, or highway motor vehicles, lawn equipment, boats, test engines, landscaping equipment, generators, pumps, and other gasoline-fueled engines and equipment.

2Preamble and rule text can be found at;; and

3Rule summary and contact information can be found at

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