1.3.1 These Guidelines and specifications address
the design, installation, performance and testing of sewage treatment
plants required by regulations 9.1.1
and 9.2.1 of MARPOL Annex IV.
1.3.2 The purpose of these Guidelines and specifications
is:
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.1 to provide a uniform interpretation of the
requirements of regulations 9.1.1 and
9.2.1 of MARPOL Annex IV;
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.2 to assist Administrations in determining appropriate
design, construction and operational testing and performance parameters
for sewage treatment plants when such equipment is fitted in ships
flying the flag of their State; and
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.3 to provide guidance for installation requirements.