Take the following quiz to see
how much you know about concrete, fish and fish habitat, and the
Fisheries Act.
1.
The
Fisheries Act only applies to creeks and does not
apply to liquids dumped into street drains.
True
False
2.
Concrete
wash-water is no longer toxic to fish if it has been
filtered, or if the solids settle out, and it is clear.
True
False
3.
The
wash-off of a concrete truck chute is only a few litres
so it's not a big deal.
True
False
4.
The
safe pH range for most fish in fresh water is between
6.5 and 9.0.
True
False
5.
Water
that has contacted uncured concrete may have a pH of 12
or higher.
True
False
6.
While
concrete wash-water is an environmental problem, water
that has contacted stucco and tile grout is no problem,
as long as the water isn't cloudy.
True
False
7.
It
is okay to discharge to the drains that are on a street
since these go to a treatment plant.
True
False
8.
The
pH of a liquid can easily be tested "on-site."
True
False
9.
Concrete
wash-water can be treated to lower the pH to non-lethal
levels.
True
False
10.
Concrete
wash-water is very cloudy and can affect the ability of
salmonids to capture food.