Code of practice for storage tank systems containing petroleum and allied products: part 1

means a storage tank system that has been out-of-service for more than one year.

means a storage tank with all the storage tank volume above grade.

means one or more commonly connected aboveground storage tanks including all connected piping, both aboveground and underground, pumps, dispensing, and product transfer apparatus, dyking, overfill protection devices, and associated spill containment and collection apparatus.

means a mixture of hydrocarbons other than a petroleum product that may be water miscible and may have a density greater than water, and includes the following (See appendix B, note B.1.4.2 Allied Petroleum Product):

1. Thinners and solvents used by the paint and varnish industry specified under the Canadian General Standards Board (CGSB):

   Canada/Canadian General Standards Board (CAN/CGSB)-1.124-99 Thinner for Vinyl Coatings
   CAN/CGSB-1.136-92 Antiblush Thinner for Cellulose Nitrate Lacquer
   CAN/CGSB-1.2-89 Boiled Linseed Oil
   CAN/CGSB-1.4-2000 Petroleum Spirits Thinner
   CAN/CGSB-1.70-99 High Solvency Thinner
   CAN/CGSB-1.94-M89 Xylene Thinner (Xylol)
   CAN/CGSB-1.110-M91 General Purpose Thinners for Lacquers
   CAN/CGSB-1.164-92 Solvent for Vinyl Pretreatment Coating

2. Solvents and chemicals used by chemical and manufacturing industry specified under CGSB (15), and benzene and toluene:

   CAN/CGSB-15.50-92 Technical Grade Acetone
   CAN/CGSB-15.52-92 Methyl Ethyl Ketone,Technical Grade

3. Inks used by printing industry specified under CGSB (21):

   CAN/CGSB-21.1-93 Offset Lithographic Printing Ink

4. Products specified under CGSB (3):

   3-GP-525Ma Isopropanol
   3-GP-531M Methanol, Technical Grade
   3-GP-855M Ethylene Glycol, Uninhibited

means to enlarge, reduce, refurbish, upgrade, or remove a storage tank system.

means, when used in reference to a storage tank, component, or accessory, that the product has been investigated by a testing agency, accredited by the Standards Council of Canada, or is acceptable to the authority having jurisdiction and has been found to comply with specific requirements and is identified with an authorized marking of the testing agency, as appropriate.

means the federal, provincial, or territorial officer(s) with the legal authority to regulate storage tank systems in the area of interest. (See appendix A.)

means a method of reducing or preventing corrosion of a metal surface by making that surface the cathode of an electrochemical cell.

means any liquid having a closed cup flash point at or above 37.8 °C and below 93.3 °C.

means planned procedures for reporting, containing, removing, and cleaning up a spill or leak.

means erection or installation.

means a dispenser, pump, transition, or turbine sump.

means the deterioration of a metal resulting from a reaction with its environment.

means a person recognized by NACE International (formerly the National Association of Corrosion Engineers) as a corrosion specialist, cathodic protection specialist, or a registered professional engineer experienced in corrosion protection.

means a method of reducing or preventing corrosion of a storage tank system through cathodic protection, the application of protective coatings, or the use of a non-corroding material in its construction.

means any continuous 24 hour period.

means releasing, spilling, leaking, pumping, pouring, emitting, emptying, or dumping of petroleum or allied petroleum products into the environment, whether intentional or unintentional.

means a container located underneath or near a dispenser or self-contained suction pump that collects or contains leaks.

means the date this code is adopted by an authority having jurisdiction or a date specified by an authority having jurisdiction.

means to remove the contents of a storage tank system as far as is practicable by such means as draining, suction, pouring, or pumping.

means that which was in place or commenced operation on or before the effective date of this code.

means any liquid having a closed cup flash point below 37.8 °C and a vapour pressure not exceeding 275.8 kPa (absolute) at 37.8 °C.

means the minimum temperature at which a liquid within a container gives off vapour in sufficient concentration to form an ignitable mixture with air near the surface of the liquid.

means the non-soluble, non-emulsified petroleum and allied petroleum product layer that accumulates in an oil-water separator.

means kerosine or any hydrocarbon oil as classified in CAN/CGSB-3.2-99, "Fuel Oil, Heating" and CAN/CGSB-3.3-99, "Kerosine".

means the storing, transmitting, transporting, or distributing of petroleum or allied petroleum products and includes putting petroleum products into a container or into the fuel tank of a motor vehicle, vessel, or aircraft.

means a secondary storage tank wall, synthetic membrane liner, or other equivalent material in conformance with this code.

means a coating or lining of a noncorrodible material bonded firmly to the interior surface of a storage tank that does not chemically or physically degrade when in contact with the petroleum or allied petroleum products stored therein.

means the space between the primary storage tank or piping wall and the impermeable barrier within a secondary containment system. (See appendix B, note B.1.4.2 Interstitial space)

means any loss of liquid petroleum or allied petroleum products because of a defect in a storage tank system.

means a device or method that is capable of detecting leaks in a storage tank system.

means a material used as the outer barrier of a secondary containment system, but does not include the outer wall of double-wall piping or storage tanks.

means a device used in pressure piping systems to detect a leak in the piping.

means a mobile refueling tank as described by ORD-C142.13-1977, Mobile Refueling Tanks.

means any fuel used to power a vehicle, aircraft, or vessel.

means a device for collecting and separating non-soluble, non-emulsified petroleum and allied petroleum products from water.

means the person who is responsible for the day-to-day operation of an installation where an aboveground or underground storage tank is located or, when referring to a vehicle, the driver in charge of the vehicle.

means that a storage tank system or portion thereof is no longer serving its intended use.

means a mechanical device, electrical device, or fill procedure system that is intended to prevent a storage tank from being overfilled.

means the Crown, an institution, corporate entity, Indian band, government department or agency, or a person who has legal owner ship of the storage tank system or who has been assigned custody to control, care for, manage, or dispose of the storage tank system.

means a single product or mixture of at least 70% hydrocarbons, by volume, refined from crude oil, with or without additives, that is used, or could be used, as a fuel, lubricant, or power transmitter and without restricting the foregoing, such products include gasoline, diesel fuel, aviation fuel, kerosine, naphtha, lubricating oil, fuel oil, engine oil and used oil, and exclude propane, paint, and solvents.

means fuel conduits, including fittings and valves that are necessary for the safe handling and storage of petroleum products and allied petroleum products and are specified by a nominal inside diameter.

means a test capable of detecting a storage tank leak as small as 0.38 L/h with a probability of detection of 0.95 or greater and a probability of false alarm of 0.05 or less, within a period of 24 hours, accounting for variables such as vapour pockets, thermal expansion of product, temperature stratification, groundwater level, evaporation, pressure and end deflection.

means a test utilizing a device to pressurize piping with a suitable test liquid to determine the presence of leaks.

means the area around the connection point between a delivery truck, railcar, or vessel and a storage tank system with a capacity of 2 500 L or more.

means having impact, projectile, and fire resistance qualities for an aboveground storage tank system.

means a coating applied to a surface to protect the substrate from corrosion.

means an impermeable barrier that prevents leaks from the primary storage tank system from reaching outside the containment area.

means the particulate material that settles at the bottom of an oil-water separator.

means a lot or property where there is one or more underground storage tank systems within 100 m of each other, or one or more aboveground storage tank systems within 200 m of each other, and all storage tanks on the property are owned by the same owner(s).

means the petroleum or allied petroleum product residue or material that accumulates at the bottom of a storage tank.

means any loss of liquid petroleum or allied petroleum product from a storage tank system that is not attributable to a leak in the storage tank system.

means a container fitted to the inlet of a storage tank or to the suction coupling of a used oil storage tank that helps prevent spills from entering the environment.

means a leak detection test in which a suitable test liquid is placed into the containment device and is monitored for a change in the liquid level and the rate of change.

means a closed container for the storage of petroleum or allied petroleum products with a capacity of more than 230 L that is designed to be installed in a fixed location.

means a system for the storage and dispensing of petroleum or allied petroleum product and is not limited to storage tanks, associated piping, vents, pumps, and dispensing equipment.

means water that accumulates at the bottom of a storage tank.

means a storage tank with all of the storage tank volume below grade and the primary tank or double-wall completely surrounded by or in intimate contact with backfill.

means one or more commonly connected underground storage tank(s), including all underground and aboveground connections, piping, pumps, and dispensers.

means oil from industrial and non-industrial sources that has been acquired for lubricating or other purposes and has become unsuitable for its original purpose due to the presence of impurities or the loss of original properties. Used oil does not include oils derived from animal or vegetable fats, crude oil or recovered fuel oils spilled onto land or water and wastes from petroleum-refining operations. The following categories of used oil are covered by this code (See appendix B, note B.1.4.2 Used oil ):

1. lubricating oils (engine, turbine, or gear);
2. hydraulic fluids (including transmission fluids); and
3. insulating oils.

means an opening in a storage tank system that is specifically designed to relieve excess internal pressure or vacuum within a storage tank system.

American Petroleum Institute
1220 L St N W
Washington DC  20005
Phone: 202-682-8375
Fax: 202-962-4776
Email: publications@API.org

National Standards of Canada
1200-45 O'Connor St
Ottawa ON  K1P 6N7
Phone: 613-238-3222
Fax: 613-995-4564
Email: info@scc.ca

Canadian Council of Ministers of the Environment
123 Main St
Winnipeg MB  R3C 1A3
Phone: 204-948-2090
Fax: 204-948-2125

Canadian General Standards Board
1402-222 Queen St
Ottawa ON  K1A 1G6
Phone: 819-956-0425
Fax: 819-956-5644
Email: ncr.cgsb-ongc@pwgsc.gc.ca

Canadian Petroleum Contractors Association
PO Box 415 Markham ON  L3P 3J8
Phone: 705 735-9437
Fax: 705-735-9418

Canadian Petroleum Products Institute
1000-275 Slater St
Ottawa ON  K1P 5H9
Phone: 613-232-3709
Fax: 613-236-4280

Canadian Standards Association
178 Rexdale Blvd
Toronto On  M9W 1R3
Phone: 416-747-4000
Fax: 416-747-4149
Email: sales@csa.ca

U.S. Environmental Protection Agency,
Office of Underground Storage Tanks
401 M St S W Mail Code 5401G
Washington DC USA  20460
Phone: 703-603-9900
Fax: 703-603-9163

NACE International (formerly National Association of Corrosion Engineers)
1440 South Creek Dr
Houston TX USA  77084-4906
Phone: 281-228-6200
Fax: 281-228-6329

National Fire Code of Canada, published under the auspices of the National Research Council of Canada
Ottawa ON  K1A 0R6
Phone: 613-993-2463
Fax: 613-952-7673
Email: Irc.Client-Services@nrc.ca

Steel Tank Institute
570 Oakwood Rd
Lake Zurich IL  60047
Phone 847-438-8265
Fax 847-438-8766
Email: wgeyer@steeltank.com

Underwriters' Laboratories of Canada
7 Crouse Rd
Scarborough ON  M1R 3A9
Phone: 416-757-3611
Fax: 416-757-9540
Email: ulcinfo@ulc.ca

centimetre(s)

degree(s) Celsius

hour(s)

kilopascal(s)

litre(s)

metre(s)

minute(s)

millilitres

millimetre(s)

millivolt(s)

second(s)

micrometre(s) or micron(s)