Story | Centre for Science and Environment

Story


RWH Project

Traditionally, water was seen as a responsibility of citizens and the community collectively took the responsibility of not only building but also of maintaining the water bodies. Since independence, the government has taken control over the water-bodies and water supply.

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Components of Rainwater Harvesting system

A rainwater harvesting system comprises components of various stages - transporting rainwater through pipes or drains, filtration, and storage in tanks for reuse or recharge. The common components of a rainwater harvesting system involved in these stages are illustrated here.

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HEALTH IMPACTS: WATER POLLUTANTS

 

Physico-chemicals parameters and their significance

HEALTH IMPACTS: AIR POLLUTION

 

Major air pollutants and their associated health hazards

HEALTH IMPACTS: PESTICIDES

 

Application and health effects of pesticides commonly used in India

 
S.No. Pesticide Name

What it is used for

METHODOLOGY: AIR POLLUTION

Pollutants Methods of Measurement BIS Method No. Time Weighted Average
Suspended Particulate Matter (PM100) Respirable Dust Sampler IS- 5182 (part 4) 1973 24 hourly

METHODOLOGY: PESTICIDES

Pesticides Protocol Instrument Model Detectors
Insecticides
Organochlorines
Organophosphorus
SyntheticPyrethroides
Carbamates

INSTRUMENTATION

 
Gas Chromatography (GC)

WHAT WE TEST: WATER POLLUTANTS

 

Physical parameters

Color , PH, Turbidity, Conductivity, Hardness, Total solids, Total dissolved solids. Total suspended solids, Oil and Grease, acidity, alkalinity, Chemical Oxygen Demand, Dissolved Oxygen

Inorganic

Chloride, fluoride, bromide, nitrite, nitrate, carbonates, phosphate, sulphate Sodium, potassium, calcium, magnesium, etc. Other inorganic substances can be tested such as iodide, cyanide, carbonate, bicarbonate, etc.

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