Photograph of - is this heating oil running across the basement floor? Notice the abandoned oil line at the furnace? Oil Storage Tank Codes & Standards
U.S. EPA listing of industry standards pertaining to oil tanks

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Oil storage tank standards: here is a detailed list of industry standards pertaining to oil storage tanks, expanded from original information provided by the U.S. EPA.

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Industry Codes & Standards For Underground Oil Storgage Tanks (UST) & Systems

Leaky oil tank (C) Daniel FriedmanFederal UST regulations often require that industry codes and standards be followed (where applicable) to ensure that the UST system works properly. For example, all UST systems must be designed, constructed, and protected from corrosion in accordance with a code of practice developed by a nationally recognized association or independent testing laboratory.

EPA has also included the use of industry codes for other sections of the rule, such as upgrading, repairing, and closing USTs. Industry codes and standards provide a means for improving methods or developing alternative methods of UST system management in a timely manner.

The UST regulations provide a flexible approach to codemaking by relying on nationally recognized organizations to develop new and improved codes and practices. EPA realizes that industry codes and standards may be updated periodically. EPA regulations do not require the use of a particular issue of any code. EPA encourages owners/operators to use the version of the code or standard that is current at the time the activity occurs.

Listed below are some industry codes and standards. Please be aware that there may be other codes or standards not listed here that may be used to meet regulatory requirements. Also be aware that inclusion on the list below does not necessarily imply EPA endorsement of either the code or the developing organization. You should refer to the current UST regulations to determine if a code of practice is required to be followed in order to meet regulatory requirements. For convenience, the industry codes and standards are arranged in two ways:

  1. by subject area, and
  2. by developing organization.

Note that industry codes and standards are copyrighted and are available only from the developing organization. These codes and standards must be purchased directly from the developing organization.

Oil Storage Tank Code/Standard Subject Areas

Assessing Tank Integrity, Repairing Tanks, and Interior Lining Of Tanks

API Recommended Practice 1631, "Interior Lining of Underground Storage Tanks"

ASTM G 158, "Standard Guide for Three Methods of Assessing Buried Steel Tanks"

ASTM E 1990, "Standard Guide for Performing Evaluations of Underground Storage Tank Systems for Operational Conformance with 40 CFR, Part 280 Regulations"

KWA "Recommended Practice for Inspecting Buried Lined Steel Tanks Using a Video Camera"

NACE Standard RP 0178, "Recommended Practice: Design, Fabrication, and Surface Finish of Metal Tanks and Vessels to be Lined for Chemical Immersion Service"

NACE Standard RP-0184, "Recommended Practice: Repair of Lining Systems"

NACE Standard RP0288, "Standard Recommended Practice: Inspection of Linings on Steel and Concrete"

NFPA 326, "Standard for the Safeguarding of Tanks and Containers for Entry, Cleaning, or Repair"

NLPA Standard 631, "Entry, Cleaning, Interior Inspection, Repair, and Lining of Underground Storage Tanks"

Oil Storage Tank Closure

API Recommended Practice 1604, "Closure of Underground Petroleum Storage Tanks"

Oil Storage Tank Corrective Action

API Publication 1628, "A Guide to the Assessment and Remediation of Underground Petroleum Releases"

API Publication 1629, "Guide for Assessing and Remediating Petroleum Hydrocarbons in Soils"

ASTM E 1599, "Standard Guide for Corrective Action for Petroleum Releases"

ASTM E 1739, "Standard Guide for Risk-Based Corrective Action Applied at Petroleum Release Sites"

ASTM E 1912, "Standard Guide for Accelerated Site Characterization for Confirmed or Suspected Petroleum Releases"

ASTM E 1943, "Standard Guide for Remediation of Ground Water by Natural Attenuation at Petroleum Release Sites"

NFPA 329, "Recommended Practice for Handling Releases of Flammable and Combustible Liquids and Gases"

Oil Storage Tank Corrosion Protection Standards

Oil Storage Tank General UST Topics

Oil Storage Tank Filling Practices

Oil Storage Tank Installation

Oil Storage Tank Release Detection

Oil Storage Tanks and Piping

Oil Storage Tank Code/Standard Developing Organizations

ANSI -- American National Standards Institute
11 West 42nd Street
New York, New York 10036
(212) 642-4900

AWWA -- American Water Works Association
6666 West Quincy Avenue
Denver, CO 80235
(303) 794-7711

API -- American Petroleum Institute
1220 L Street, N.W.
Washington, DC 20005
(202) 682-8000

2008 Catalog of API Publications, Programs, and Services (includes API standards) (PDF) (210 pp, 3.85 MB, About PDF)

ASTM International -- formerly American Society for Testing and Materials
100 Barr Harbor Drive
West Conshohocken, PA 19428-2959
(610) 832-9500

Catalog of ASTM Standards

FTPI -- Fiberglass Tank and Pipe Institute
11150 S. Wilcrest Drive, Suite 101
Houston, TX 77099-4343
(281) 568-4100

KWA -- Ken Wilcox Associates, Inc.
1125 Valley Ridge Drive
Grain Valley, MO 64029
(816) 443-2494

NACE International (formerly the National Association of Corrosion Engineers)
Box 218340
Houston, TX 77218-8340
(713) 492-0535

Catalog of NACE Standards

NFPA -- National Fire Protection Association
1 Batterymarch Park
Box 9101
Quincy, MA 02269-9101
(617) 770-3000

Catalog of NFPA Standards

Thanks to NHFireBear, a frequent InspectApedia contributor, for updates to these standards. 5/11/2015 - Ed.

NLPA -- National Leak Prevention Association
Phone: 815.301.2785
Fax: 240.757-0211

PEI -- Petroleum Equipment Institute
Box 2380
Tulsa, OK 74101-2380
(918) 494-9696

STI -- Steel Tank Institute

570 Oakwood Road
Lake Zurich, IL 60047
(708) 438-TANK [8265]

Catalog of STI Standards

UL -- Underwriters Laboratories Inc.
333 Pfingsten Road
Northbrook, IL 60062-2096
(847) 272-8800

Catalog of UL Standards

WFCA -- Western Fire Chiefs Association
5360 S. Workman Mill Road
Whittier, CA 90601
(213) 699-0541

The distance requirements for oil tanks to be set back from wells, property lines, etc. can be read at WELL CLEARANCES. Also see OIL TANK STANDARDS - UL and see OIL TANK REGULATIONS.


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