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Reference Information Section Reference Materials

The “American Petroleum Institute Publication No.

1509” can be obtained from the following locations: local technological society, local library, and local college. If necessary, consult API at the following address:

American Petroleum Institute

1220 L St. N.W.

Washington, DC, USA 20005

Telephone: (202) 682-8000

The International Organization for Standardization (ISO) offers information and customer service regarding international standards and standardizing activities. ISO can also supply information on the following subjects that are not controlled by ISO: national standards, regional standards, regulations, certification, and related activities. Consult the member of ISO in your country.

International Organization for Standardization (ISO)

1, rue de Varembé Case postale 56 CH-1211 Genève 20 Switzerland

Telephone: +41 22 749 01 11

Facsimile: +41 22 733 34 30

E-mail: central@iso.ch

Web site: http://www.iso.ch

European classifications are established by the Counseil International Des Machines a Combustion (CIMAC) (International Council on Combustion Engines).

CIMAC Central Secretariat

Lyoner Strasse 18

60528 Frankfurt

Germany

Telephone: +49 69 6603 1567

Facsimile: +49 69 6603 1566