Page 74 - Pharmaceutical Analytical Chemistry III

SOURCES OF WATER POLLUTION :

1- Human and animal discharges containing organic and
inorganic impurities.

2- Trade effluents with organic and inorganic substances.
3- Inorganic and organic matter from strata, as salts of metals

and plant decay.
4- Impurities which may originate from storage in cisterns

and distribution from pipes (lead, zinc, iron).