Indicator #1:
Smell of chlorine
Causes:
Too high levels of chlorine and its derivatives in water.
Health Effects:
Reduction in content of unsaturated fatty acids in the body, malignant tumors of the bladder and rectum (colorectal simple), liver cirrhosis, thyroid tumors, the reduction of skin resistance (cracking, dry), irritation of mucous membranes, chest discomfort (which is responsible for causing asthma).
Indicator #2:
"Rotten eggs" odor
Cause:
Distribution of biochemical proteins of plant and animal. Large concentrations of hydrogen sulfide.
Health Effects:
Irritating to the gastrointestinal tract, may lead to irritation of the nervous system.