Archive for Presence

Define water quality?

SorrY asked: How would you define “WATER QUALITY” is it water that tastes good, is non-toxic or is it defined by the presence of absence of certain »»

The presence of which of the following species would indicate good water quality?

Brenda K asked: 1)stonelfy larva
2)blackfly larva
3)tipulid
4)crayfishSELIA

Tags: water quality testing, water quality management, water quality, water quality test, water quality monitoring

please help me?

the_man asked: http://www.epa.gov/owow/monitoring/nationswaters/whatdo.pdf

Why do scientists test water’s turbidity?

Why are scientists concerned about the presence of fecal coliforms in a stream or lake?

How does a »»