London's Pulse: Medical Officer of Health reports 1848-1972

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City of London 1971

[Report of the Medical Officer of Health for Port of London]

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APPENDIX II
Draft of Proposed Regulations for the
St. Lawrence Seaway, 1966
(a) Vessels operating on fresh water lakes or rivers shall not discharge sewage or
ballast or bilge water within areas adjacent to domestic water intakes as are designated
by the Surgeon General.
(b) No vessel, the construction or major conversion of which is contracted for after the
effective date of this section, or is undertaken after such date for the purpose of
sale and which operates in interstate traffic, shall discharge into navigational
waters of the U.S.A., and sewage which does not meet the following requirements:-
(1) For vessels with a normal complement of 41 or more, including passengers and
crew, such sewage without benefit of dilution with water in addition to that
required for sanitary purposes aboard the vessel, may not contain more than
50 m.g. per litre of B.O.D., no more than 150 m.g. per litre of suspended solids
and no more than 1,000 coliform organisms per 100 milliliitres.
(2) For vessels with a normal complement of 4C or less including passengers and
crew, such sewage without benefit of dilution with water in addition to that
required for sanitary purposes aboard the vessel, may not contain more than 1,000
coliform organisms per 100 millilitres.
(c) "Adjacent" means within three miles of a water intake.