Asked by big red

Which water quality test is the most important test for the health of a water ecosystem?

Thanks
Answered by bobpursley
Most important?

Goodness.
So you decide between:
Arsenic, lead, mercury, dioxin, pathogenic bacteria, chloroform, pesticides [malathon, DDT, chlorinated compounds], herbicides, silt, salt, dissoved oxygen, cyclic hydrocarbons (benzene derivatives).

How can you say one is more important than another?
Answered by big red
I mean standard test...
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