A catalog of API publications, programs and services is published annually and updated biannually by API, and is available through Global Engineering Documents, 15 Inverness Way East, M/S C303B, Englewood, CO 801125776 and published on their web site at This document was produced under API standardization procedures that ensure appropriate notification and participation in the developmental process and is designated as an API Standard. Status of the publication can be ascertained from the API Standards Development Department telephone (202)682-8000). This publication will no longer be in effect five years after its publication date as an operative API standard or, where an extension has been granted, upon republication. Sometimes a one-time extension of up to two years will be added to this review cycle.

Generally, API standards are reviewed and revised, reaffirmed, or withdrawn at least every five years. Neither should anything contained in the publication be construed as insuring anyone against liability for infringement of letters patent.

Nothing contained in any API publication is to be construed as granting any right, by implication or otherwise, for the manufacture, sale, or use of any method, apparatus, or product covered by letters patent. Information concerning safety and health risks and proper precautions with respect to particular materials and conditions should be obtained from the employer, the manufacturer or supplier of that material, or the material safety data sheet. API is not undertaking to meet the duties of employers, manufacturers, or suppliers to warn and properly train and equip their employees, and others exposed, concerning health and safety risks and precautions, nor undertaking their obligations under local, state, or federal laws. With respect to particular circumstances, local, state, and federal laws and regulations should be reviewed. SPECIAL NOTES API publications necessarily address problems of a general nature. OVERFILL PROTECTION FOR STORAGE TANKS IN PETROLEUM FACILITIESĪPI STANDARD 2350 DRAFT FIFTH EDITION SEPTEMBER 2010 First ballot

Api 2350 4th edition