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8. The use of Interceptors has had no effect on the health of
the community either as regards general health or specific
disease, as is shown by the fact that—
(a) Those districts where Interceptors are not in use
are as healthy as those on the contrary, and
(b) In cases where the Trap has been removed no ill
results have followed its removal any more than
did improvement follow its incroduction.
9. In shallow fiat lying districts the system is decidedly disadvantaeous.
10. It should be an offence to fix—
(a) Traps inside buildings, or under the Hoors of
dwellings, or
(b) A Trap in any situation without providing ample
access by means of a Chamber or Manhole.
Traps with alleged "raking arms" should be
suppressed.
11. Whilst the system of Intercepting may be useful for large
institutions, hotels, etc., with large and complicated
drainage systems, some elasticity should be allowed to
meet the requirements of small cottages and premises
with no internal drainage.
JOHN FOOT.
17th November, 1908.