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(2) After their time has been booked at the Depot office, they
shall proceed to the houses at which disinfection is to be
carried out, in the order of the list delivered to them at
5.30 o'clock on the previous evening. They shall attend at
the office of the Public Health Department to receive
this list.
(3) The process of disinfection, unless written instructions are
given for any other mode, shall be as follows, viz.:—
(1) The whole of the surface of the walls, ceiling, floor and
the interior of all cupboards shall be well sprayed over with
a 1 in 60 of a 40 per cent. solution of Formalin (3 ozs. to
1 gallon). (2) The floor, paint-work and ceiling shall be
well cleansed. The paper shall be stripped off the walls,
great care being taken to do as little damage as possible.
The fluid used in cleansing and stripping shall be a 3 per
cent. solution of carbolic acid, that is a pint of carbolic acid
to a pail (large size) of warm water. (3) Roll Sulphur, in
the proportion of 2 lbs. to 1,000 cubic feet of air space,
shall be burned in an apparatus provided for that purpose.
The room shall remain closed and under the influence of the
fumigation for at least eight hours. The method of sealing
up a room for fumigation shall be by closing the chimney
aperture, windows, ventilators and doors, and by closing all
cracks and small openings, either by pasting over them
brown paper or otherwise plugging them, in order that no
interchange between the air outside and the air inside the
room can take place.
No stopping of walls after stripping, and no re-papering or
whitewashing of the ceiling shall be done.
After the work has been carried out, a report shall be made to
me on a form supplied for that purpose.
GEORGE MILLSON,
Medical Officer of Health.