ENVIRONMENTAL POLLUTION TYPES, Chemistry, Microeconomics

Assignment Help:
Pollutant

Any substance, species produced either by a natural source or by human activity, which produces very adverse effect on the environment is called pollutant.
Some commonly known examples of pollutants are carbon monoxide, oxides of sulphur (SO2, SO3), oxides of nitrogen, pollens, dust particles etc.


Contaminant

A substance which does not occurs naturally in nature but is introduced by human activity into the atmosphere which affecting its composition is called contaminant.
The contaminant is classified as pollutant when it has some harmful effect.



Source

The site from which the pollution, contaminants originate is called source.


Sink

The material or medium by which it consumes or interacts with a long lived pollutant is called sink.
For example a marble wall acts as a sink for atmospheric sulphuric acid because of the reaction


Similarly, the oceans acts as a sink for atmospheric CO2 & other water soluble gases.


Receptor

Any thing which can be affected by the pollutants is called receptor.
For example. human being are the receptor of photochemical smog, which can cause irritation in the eyes and also breathing Problems.


Threshold limit value (TLV)

This indicates the permissible limit of a pollutant in atmosphere by which a healthy worker is exposed during each hour a day or 40 hours a week for life time without any adverse effects.
TLV are determined by experimentation on different animals by use of medical knowledge, epidemiology surverys and environmental studies.

Related Discussions:- ENVIRONMENTAL POLLUTION TYPES, Chemistry

Global Competition, The distinction between supply and the quantity supplie...

The distinction between supply and the quantity supplied is best made by saying that

Exchange rate policy, Exchange Rate Policy: LERMS, a dual exchange ra...

Exchange Rate Policy: LERMS, a dual exchange rate system, was introduced in the Budget for 1992-93. Under this system, 40 per cent of foreign exchange earnings were to be sur

Market competition., explain why policies for promoting market competition ...

explain why policies for promoting market competition are desireable

Production, what is fixed and variable inputs with more explanation

what is fixed and variable inputs with more explanation

The hypothesis of inflation-unemployment trade-off, The Hypothesis of Infla...

The Hypothesis of Inflation-Unemployment Trade-off : This hypothesis about formation of expectations is therefore known as the hypothesis of adaptive expectations. The hypothes

Economical problems , Look at a recent copy of a newspaper . a. What is...

Look at a recent copy of a newspaper . a. What is the top economic news story? With which of the big questions does it deal? (It must deal with at least one of them and might d

Difference between anticipated and unanticipated inflation, Explain inflati...

Explain inflation, and the difference between anticipated and unanticipated inflation.         Answer   Inflation is the persistent rise in the general price level in the e

Administrative reforms - economic policy, ADMINISTRATIVE REFORMS - ECONOMIC...

ADMINISTRATIVE REFORMS - ECONOMIC POLICY: During the last few decades, phenomenal changes are taking place at a fast rate in the field of science and technology as well as in

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd