This standard is intended to serve as a guide for establishing minimum
requirements for the control
of external corrosion on UST systems that are buried, partially
buried, or in contact with the
This standard does not designate specific practices for every
situation because the complexity of
some environmental conditions in which systems are buried precludes
standardization of corrosion
This standard does not include corrosion control methods based on
chemical control of the
environment, internal linings, or the use of tank construction
materials other than mild steel.
This standard does not override applicable safety codes and should not
be used to infringe on the
primary requirement of protecting personnel, the environment, and
equipment. In any situation, the
corrosion protection design for underground structures should
incorporate all requirements of any
applicable codes, standards, and regulations as determined by
authorities having jurisdiction.
The provisions of this standard shall be applied under the responsible
direction of competent
individuals. Such individuals must either be registered professional
engineers, NACE International
Certified Corrosion Specialists or CP Specialists, or individuals
qualified by professional
education and related practical experience. All of the above
individuals must be able to
demonstrate suitable experience in corrosion control of UST systems.
Deviation from this standard may be warranted in specific situations
provided the objectives
expressed in this standard have been achieved.
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