Resource Management (Marine Pollution) Regulations 1998

Schedule 6 Grade A sewage treatment systems

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Schedule 6: added, on 1 July 2002, by regulation 7(b) of the Resource Management (Marine Pollution) Amendment Regulations 2002 (SR 2002/99).

Schedule 6 heading: amended, on 23 June 2011, by regulation 6(1) of the Resource Management (Marine Pollution) Amendment Regulations 2011 (SR 2011/149).

1

Any system that, when tested under International Maritime Organisation Resolution MEPC.2(VI), meets, or exceeds, the following standards:

(a)

a faecal coliform standard where the geometric mean of the faecal coliform count does not exceed 250 faecal coliforms per 100 millilitres of water; and

(b)

a suspended solids standard where the geometric mean of the total suspended solids content, when suspended solids are analysed by gravimetric methods, does not exceed—

(i)

50 milligrams per litre of water when analysed on shore; or

(ii)

100 milligrams per litre of water more than the suspended solids content of the ambient water used for flushing when analysed on board a ship; and

(c)

a biochemical oxygen demand count where the geometric mean of 5-day biochemical oxygen demand of the samples of sewage does not exceed 50 milligrams per litre of water.

2

Any system that meets or exceeds the standards in section 4 of the following guidelines, when tested under section 5 of the guidelines: the Revised Guidelines on Implementation of Effluent Standards and Performance Tests for Sewage Treatment Plants set out in the Annex of the International Maritime Organization resolution MEPC.159(55) adopted on 13 October 2006 (see, for example, Annex 26 of the report of the Marine Environment Protection Committee on its fifty-fifth session dated 16 October 2006 (MEPC 55/23)).

Schedule 6 clause 2: added, on 23 June 2011, by regulation 6(2) of the Resource Management (Marine Pollution) Amendment Regulations 2011 (SR 2011/149).