Air and air pollution

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AIR & AIR POLLUTION:

AIR & AIR POLLUTION PRESENTED BY:- KIRANDEEP RANDHAWA

INTRODUCTION:

INTRODUCTION Air is essential for maintenance of life.The immediate environment of man comprises of air on which depends all forms of life.

DEFINITION:

DEFINITION Air is a mixture of gases that forms environment.

COMPOSITION OF AIR:

COMPOSITION OF AIR Mechanical mixture of gases. Nitrogen – 78.1% Oxygen - 20.93% Carbon dioxide – 0.03%

FUNCTIONS OF AIR:

FUNCTIONS OF AIR Interchange of gases Thermoregulation Medium for communication Medium for spread of pollens & bacteria Helps functioning of auditory & olfactory organs

AIR OF OCCUPIED ROOM:

AIR OF OCCUPIED ROOM Chemical changes Physical changes

DISCOMFORT ZONE:

DISCOMFORT ZONE It is subjective sensation which the people experience in ill ventilated & crowded rooms.

COMFORT ZONE:

COMFORT ZONE The range of effective temperature over which majority of individuals feel comfortable.

CORRECTED EFFECTIVE TEMP (DEG C) :

CORRECTED EFFECTIVE TEMP (DEG C) Pleasant & cool 20 Comfortable & cool 20-25 comfortable 25-27 Hot & uncomfortable 27-28 Extremely hot 28+ Intolerably hot 30+

PREDICTED FOUR HOUR SWEAT RATE(p4 sr):

PREDICTED FOUR HOUR SWEAT RATE(p4 sr) Comfort zone 1-3 litres Just tolerable 3-4.5 litres Intolerable 4.5+

AIR POLLUTION:

AIR POLLUTION DEFINITION:- It is the condition when there is excessive concentration of foreign matter in the outdoor atmosphere which is harmful to man or his environment.

CAUSES OF AIR POLLUTION:

CAUSES OF AIR POLLUTION Industrial sources Domestic sources Scientific research Transportation Other sources

AIR POLLUTANTS:

AIR POLLUTANTS More than 100 are identified. CO Sulphurdioxide Lead Carbon dioxide Hydrocarbons Cadmium Ozone Hydrogen sulphide

INDICATORS OF AIR POLLUTION:

INDICATORS OF AIR POLLUTION Smoke index % of sulphurdioxide in air Air pollution index Grit & dust measurement

MONITORING OF AIR POLLUTION:

MONITORING OF AIR POLLUTION In India:- National air quality monitoring programme

EFFECTS OF AIR POLLUTION:

EFFECTS OF AIR POLLUTION -HEALTH ASPECTS: Temporary effects Permanent effects -SOCIAL & ECONOMICAL EFFECTS

METHODS OF CONTROL & PREVENTION:

METHODS OF CONTROL & PREVENTION Containment B. Dilution C. Replacement D. Primary control E. Legal control F. International action

DISINFECTION OF AIR:

DISINFECTION OF AIR -PHYSICAL METHODS Control on dust Mechanical methods Use of UV rays

CONTD…..:

CONTD….. -CHEMICAL METHODS Chemical vapours Deodorants Burning of chemicals

SUMMARIZATION:

SUMMARIZATION DEFINITION COMPOSITION FUNCTIONS DISCOMFORT & COMFORT ZONE AIR POLLUTION

CONTD…:

CONTD… CAUSES OF AIR POLLUTION INDICATORS OF AIR POLLUTION AIR POLLUTION MONITORING IN INDIA PREVENTION & CONTROL DISINFECTION OF AIR

BIBLIOGRAPHY:

BIBLIOGRAPHY Park K,”Textbook of Prevention & Social Medicine”, edi-18 th ,M\S Banarsidas Bhanot publishers , Pp:542-548 Swarankar K,”Community Health Nursing”,edi-2 nd ,n.r publishers,Pp:133-137

CONTD…:

CONTD… Basavanthappa B.T,”Community Health Nursing”,Jaypee publishers,Pp:184-186

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