SEWERAGE
Return waste water to a usable state
F
irst prize in any
domestic waste water
treatment system must
be to return the water
to, if not a drinkable then at
least a non-pollutant state,
and this is possible with
proprietary multi-chamber
installations that combine
aerobic and anaerobic
microbiology with aeration
and other techniques.
For, make no mistake, while a
septic tank system is a great
improvement on more basic
sewage management
techniques such as long-drop
toilets, all a traditional septic
system achieves is the
removal and digestion by
microbes of solids. The
resultant fluid, free of solids
though it may be, remains
Continued on page 36
EWT to assess bullfrog sites
D
o you know of
patches of land
where bullfrogs lurk?
And especially areas that are
threatened by development?
A national assessment of
bullfrogs is planned for the
near future and the urban
conservation project coordinator of the Endangered
Wildlife Trust has been asked
to compile a list of known
bullfrog sites currently under
threat from development,
including the area, date,
proposed development,
NEMBA
From page 35
below.
It should be returned to
Sagic's Margie Vonk (email on
form), who will issue an
invoice. No admittance to the
training will be allowed
without EFT pre-payment.
34
www.sasmallholder.co.za
environmental impact
assessment recommendations
and progress to date etc.
The EWT hopes that this.
assessment will ultimately
lead to stricter EIA conditions.
If you know of such sites
contact Emily Taylor of the
EWT, tel 011 372-3600 Ext
63 cell 084 555-1266 or
Email [email protected]
To download the form, go to
http://www.invasives.org.za/re
sources/downloadableresources/finish/111-invasivespecies-training/1085invasive-species-certificationtraining-course.html