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Pollution Control Norms

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Pollutin vehicles are health hazard - take Pollution Under Control Certificate regularly

The New Norms for PETROL-DRIVEN vehicles w.e.f. 1st Oct 2004

S. No. Vechicle Type Present Norms CO% New Norms CO%
1 2 Wheelers (2/4-stroke) & 3 Wheeler (manufactured prior to 31-03-2000) 4.5 4.5
2 4 stroke 2 Wheeler and 3 Wheeler vehicles fitted with catalytic converters (manufactured after 31-03-2000) 4.5 3.5
3. 4 Wheelers vehicles
(manufactures after 31-03-2000) (Petrol/CNG/LPG)
3.0 3.0
4. Bharat Stage II complaint Passenger Cars/CNG Buses/LPG
(Fitted with 3-way closed catalytic converters)
3.0 0.5

The HC norms w.e.f. 1st Oct 2004 shall be as under :

S.No. Type of vehicle (in parts per million) Permissible HC limit
1 2 stroke 2 wheelers 6000
2 4 stroke 2 wheelers 4500
3 3 wheelers 4500
4 2 wheelers & 3 wheelers manufactured prior to 01.04.2000 9000
5 Bharat Stage II complaint Motor Car fitted with 3 way Catalytic Converters 750
6 Other motor cars 1500

Smoke density for all DIESEL-DRIVEN vehicles is as follows :

Method of Test Maximum Smoke Density
Light Absorption Co-efficient (1/m) Bosch Units Hartidge Units

(a) For vehicles other than agricultural tractors:
Full load at 60 to 70% of maximum engine-rated rpm
declared by the manufacturer.
or
Free acceleration for turbo charged engine
or
Free acceleration for naturally aspirated engine.


3.25

 

2.45


5.2

 

--

 


75

 

65

(b) For agricultural tractors 80% load corresponding to maximum power developed in PTO Performance Tests.

3.25

5.2

75