SHASTA COUNTY AIR QUALITY MANAGEMENT DISTRICT
RULE 3:3 - GASOLINE LOADING, TRANSFER AND DISPENSING
(Amended 12-6-88, 6-24-97)
- Purpose: The purpose of this rule is to limit volatile organic compound (VOC) emissions from the transfer
of gasoline into stationary storage containers, delivery vessels, bulk plants and terminals, and into motor vehicle
- Definitions: For the purposes of this rule, the following definitions shall apply:
ARB-Certified Vapor Recovery System: A vapor recovery system that has been certified by the Air Resources Board
(ARB) pursuant to Section 41954 of the Health and Safety Code.
Bottom Loading Of A Gasoline Delivery Vessel occurs when the fuel transfer and vapor return lines
have separate, independent, and dedicated attachments on the truck or tank, when the inlet is flush with the tank
bottom, and when the truck and trailer hatches remain closed during fuel transfer.
Excavation: Exposure to view by digging.
Gasoline: Any organic liquid (including petroleum distillates and methanol) having a Reid vapor pressure
of four pounds or greater that is used as motor vehicle fuel which is commonly or commercially known or sold as
Gasoline Bulk Terminal: A distributing facility that receives gasoline by pipeline, stores it in stationary
tanks, and loads it into tank trucks for delivery to gasoline bulk plants, service stations or other distribution
Gasoline Bulk Plant: A distributing facility that receives gasoline by tank truck, stores it in stationary
tanks, and loads it into tank trucks for delivery to service stations or other distribution points.
Leak-Free: A liquid leak of less than four (4) drops per minute, excluding losses that occur upon disconnecting
transfer fittings provided that such disconnect losses do not exceed ten (10) milliliters (0.34 fluid ounces) per
disconnect, averaged over three (3) disconnects.
Loading Facility: Any aggregate or combination of gasoline transfer and vapor control equipment from the
connection at the inlet of the gasoline pump to and including the hose end connector at the portable delivery vessels
and the discharge of the vapor control device(s).
Motor Vehicle has the same meaning as defined in Section 415 of the Vehicle Code.
Owner or Operator: An owner or operator of a retail service station.
Phase I Vapor Recovery System: A gasoline vapor recovery system that recovers vapors during the transfer
of gasoline from delivery tanks into stationary storage tanks, and from stationary storage tanks into delivery
Phase II Vapor Recovery System: A gasoline vapor recovery system that recovers vapors during the fueling
of motor vehicles from stationary storage tanks.
Retail Service Station: A new or existing motor vehicle fueling service station subject to payment of California
sales tax on gasoline sales.
Existing Retail Service Station: Any station operating, constructed or under construction as of the date
of District adoption of regulations implementing this control measure.
New Retail Service Station: Any retail service station that is not constructed or under construction as
of the date of District adoption of regulations implementing this control measure.
Switch Loading: For the purposes of this rule, this refers to the loading of organic liquids with a Reid
vapor pressure of less than four (4) pounds per square inch into a delivery vehicle where the previous load was
Tank Replacement: Replacement of one or more stationary storage tanks at an existing retail service station
or excavation of 50 percent or more of an existing retail service station's total underground liquid piping from
the stationary storage tanks to the gasoline dispensers.
Throughput: For gasoline retail service stations, throughput shall refer to the volume of gasoline dispensed
at a retail service station. For gasoline bulk plants and terminals, throughput shall refer to the volume of gasoline
delivered to the facility.
Vapor Tight: A leak of less than 100 percent of the lower explosive limit on a combustible gas detector
measured at a distance of 2.5 cm (1 inch) from the source or no visible evidence of air entrainment in the sight
glasses of liquid delivery hoses.
- Phase I Vapor Recovery System Requirements
- No owner or operator shall transfer, permit the transfer, or provide equipment for the transfer of gasoline,
and no other person shall transfer gasoline from a gasoline delivery tank equipped with a vapor recovery system
into a stationary storage tank at a retail service station unless an ARB-certified Phase I vapor recovery system
is installed on the stationary storage tank and used during the transfer.
- The provisions of Subdivision c.1.a shall not apply to:
- A transfer to a stationary storage tank with a capacity of less than 1.0 cubic meter (260 gallons).
- A transfer to a stationary storage tank that is used the majority of the time for the fueling of implements
of husbandry as defined in Division 16, Chapter 1, of the Vehicle Code.
- A transfer to a stationary storage tank used exclusively to fuel motor vehicles with a fuel capacity of five
(5) gallons or less.
- An existing retail service station with an annual gasoline throughput from tanks other than those described
in Subdivisions c.1.b(1), c.1.b.(2), and c.1.b.(3) of 240,000 or fewer gallons during the calendar year prior to
January 1, 1989.
If during any calendar year after 1989 the gasoline throughput from such tanks at the existing retail service station
exceeds 240,000 gallons, this exemption shall cease to apply commencing the first day of the following calendar
- A transfer to a stationary storage tank at an existing retail service station that receives gasoline exclusively
from delivery tanks that are exempted by the Air Pollution Control Officer (APCO) as stated in Section c.3. of
- Notwithstanding c.1.b.(4), at the time of tank replacement at an existing retail service station, ARB-certified
Phase I vapor recovery systems shall be installed and used thereafter on all of the station facilities, except
those that are exempt from the Phase I requirement by c.1.b.(1), c.1.b.(2), c.1.b.(3), or c.1.b.(5).
- Phase II Vapor Recovery System Requirements
- No owner or operator shall transfer, permit the transfer or provide equipment for the transfer of gasoline
from a stationary storage tank at a retail service station into a motor vehicle fuel tank unless an ARB-certified
Phase II vapor recovery system is installed and used during the transfer.
- The provisions of subdivision c.2.a. shall not apply to:
- A transfer of gasoline from a stationary storage tank that is exempt from Phase I requirements under subdivision
c.1.b.(1), c.1.b.(2), or c.1.b.(3).
- An existing retail service station that is exempt from Phase I requirements under subdivision c.1.b.(4).
- Notwithstanding c.2.b.(2), at the time of tank replacement at an existing retail service station, ARB-certified
Phase II vapor recovery systems shall be installed and used thereafter on all of the station facilities, except
those that are exempt from the Phase II requirement by c.2.b.(1)
- No owner or operator shall use or permit the use of any Phase II system or any component thereof containing
a defect as identified in Title 17, California Administrative Code, Section 94006 until it has been repaired, replaced
or adjusted as necessary to remove the defect and, if required under Health and Safety Code Section 41960.2, Air
Quality Management District personnel have reinspected the system or have authorized its use pending reinspection.
Nothing in this subdivision shall excuse compliance with Subdivision c.2.a.
- Delivery Vessels
- After March 1, 1990, no person shall store gasoline in or otherwise use or operate any gasoline delivery vessel
unless such vessel is designed and maintained to be vapor tight. Any delivery vessel shall be filled only at a
loading facility that is equipped with an ARB-certified vapor recovery system that prevents at least 95 percent
by weight of the gasoline vapors displaced from entering the atmosphere.
- The owner or operator of any bulk loading facility not subject to the provisions of Section c.5 that was in
operation on or before July 1, 1979, and for which the annual throughput does not exceed 500,000 gallons, may petition
the APCO to have the facility's delivery vessels and other independently owned gasoline delivery vessels that are
exclusively serviced at such facility exempted from the provisions of Section c.3.
The owner or operator of such a facility must petition annually to renew such exemptions.
- A person shall not load gasoline into any delivery vessel from any loading facility granted an exemption as
stated in Section c.3.b. of this rule unless such delivery vessel is loaded through a submerged fill pipe.
- Switch loading shall be subject to all provisions of Rule 3:3.
- A person shall not operate or allow the operation of a gasoline delivery vessel unless valid State of California
decals, as required by Section 41962 of the Health and Safety Code attesting to the vapor integrity of the tank,
- Delivery vessel loading operations at gasoline bulk terminals shall be accomplished by bottom loading.
- Loading Facilities
- A person shall not operate any gasoline loading facility that is not subject to the provisions of Section c.5.
- The facility is equipped with an ARB-certified vapor recovery system or systems to prevent the release to the
atmosphere of at least 95 percent by weight of the gasoline vapors displaced during the filling of the facility's
stationary storage containers; and
- The facility is equipped with a pressure vacuum valve on the above-ground stationary storage containers with
a minimum pressure valve setting of eight (8) ounces, provided that such setting will not exceed the container's
maximum pressure rating. The vapor recovery system certification will be invalid if the pressure vacuum valve is
- Transfer of Gasoline into Tank Trucks, Trailers, and Railroad Tank Cars at Bulk Plants and Bulk Terminals
- A person shall not load gasoline into any tank truck, trailer, or railroad tank car from any bulk plant having
an annual throughput of 200,000 gallons or more, or from any gasoline terminal unless the loading facility is equipped
with a vapor collection and disposal system or its equivalent approved by the APCO.
Loading shall be accomplished in such a manner that all displaced vapor and air will be vented only to the vapor
collection system. Measures shall be taken to prevent liquid drainage from the loading device when it is not in
use or to accomplish complete drainage before the loading device is disconnected.
- All equipment associated with delivery and loading operations shall be maintained to be leak free, vapor tight,
and in good working order.
- The vapor recovery system shall be maintained and operated in a manner that prevents gauge pressure in the
delivery tank from exceeding 46 cm (18 inches) of water column during product loading.
- Any person storing or transferring gasoline shall follow good operating practices including but not limited
- Preventing spills,
- Storing gasoline in closed containers, and
- Disposing of gasoline in compliance with all state and local regulations.
- The vapor recovery system for bulk plants shall limit the volatile organic compound (VOC) emission rate to
0.4 lbs. per 1000 gallons of gasoline loaded as determined by California Air Resources Board (CARB) Test Procedure
TP-202.1, Determination of Emission Factor of Vapor Recovery Systems of Bulk Plants.
- The vapor collection and processing system for gasoline terminals shall limit the VOC emissions to 0.08 lbs.
per 1000 gallons of gasoline loaded as determined by CARB Test Procedure TP-203.1, Determination of Emission Factor
of Vapor Recovery Systems of Terminals.
- Storage of Petroleum Products at Terminals and Large Bulk Loading Facilities
- A person shall not place, store, or hold gasoline in any stationary tank, reservoir, or other container of
more than 40,000 gallons capacity unless such tank, reservoir, or other container is a pressure tank maintaining
working pressures sufficient at all times to prevent gasoline vapor or gas loss to the atmosphere, or is designed
and equipped with one of the following vapor loss control devices, properly installed, in good working order and
- A floating roof of an approved type meeting the requirements of Rule 463, Section (a)(1) of the South Coast
Air Quality Management District.
The control equipment provided for in this paragraph shall not be used if the gasoline has a vapor pressure of
eleven (11) pounds per square inch absolute or greater under actual storage conditions.
All tank gauging and sampling devices shall be gas-tight except when gauging or sampling is taking place.
- A vapor recovery system, of efficiency equivalent to a floating roof meeting the requirements of Subsection
A above, consisting of a vapor gathering system capable of collecting the gasoline vapors and gases discharged
and a vapor disposal system capable of processing such gasoline vapors and gases so as to prevent their emissions
to the atmosphere and with all tank gauging and sampling devices gas-tight except when gauging or sampling is taking
- Other equipment of equal efficiency, provided such equipment is submitted to and approved by the APCO.
- Test Procedures
- Compliance with the vapor recovery requirements for gasoline bulk plants shall be demonstrated using CARB Test
- Compliance with the vapor recovery requirements for gasoline bulk terminals shall be demonstrated using CARB
Test Procedure TP-203.1.
- Compliance with vapor tightness of delivery vessels shall be demonstrated using EPA Method 27.
- EPA Method 21 shall be used to test for VOC leaks.
- Monitoring and Recordkeeping Requirements
- The owner or operator of any facility subject to the provisions of this rule shall prepare a daily log of the
gasoline throughput at the facility and a summary of the gasoline throughput at the facility for the calendar year.
Such records shall be maintained at the facility for at least 2 years, and shall be made available to the APCO
- The owner or operator of any facility subject to the provisions of this rule shall maintain records of all
maintenance activities, the number of gasoline storage tanks, the type of respective gasoline product in each tank,
and the tank capacity in gallons. Such records shall be maintained at the facility for at least 2 years, and shall
be made available to the APCO upon request.
- Compliance Schedule
For purposes of this rule, the following compliance schedule shall apply:
- The owner or operator of any new retail service station subject to this rule shall comply with the provisions
of this rule at the time gasoline is first sold from the station.
- The owner or operator of any existing retail service station without ARB-certified Phase I and Phase II vapor
recovery systems shall notify the APCO in writing in advance of an intended tank replacement and shall secure all
necessary permits and other approvals for the insta