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Air Quality Standards  

Unofficial English Version

[Bangla text of the rules was published in the Bangladesh Gazette additional issue of 28.08.1997 and amended by notification SRO 220-Law/2005 of 19, July 2005]

Government of the Peoples Republic of Bangladesh
Ministry of Environment and Forests
Planning Section-5
Notification
 

Date: 1 Shrabon 1412/ 16 July 2005

S.R.O. No: 220-Law/2005: In exercise of the powers conferred by section 20 of the Bangladesh Environment Conservation Act, 1995 (Act 1 of 1995), the Government hereby amended the Environment Conservation Rules, 1997 as under:

(Ka) schedule 2 of the above rule will be replaced by Schedule 2 as under;   

 “Schedule-2
AIR QUALITY STANDARDS*

[See Rule 12]

AIR POLLUTANT

STANDARDS

AVERAGE TIME

1

2

3

Carbon Monoxide
(CO)

10 mg/m3
(9 ppm)
(Ka)

8-hour

40 mg/m3
(35 ppm)
(Ka)

1-hour

Lead (Pb)

0.5 µg/m3

Annual 

Oxides of Nitrogen
(NOx
)

100 µg/m3
(0.053 ppm)

Annual

Suspended Particulate Matter (SPM)

200 µg/m3

8-hour

PM10

50 µg/m3 (Kha)

Annual

150 µg/m3 (Ga)

24-hour

PM2.5

15 µg/m3

Annual

65 µg/m3

24-hour

Ozone (O3)

235 µg/m3
(0.12 ppm)
(Gha)

1-hour

157 µg/m3
(0.08 ppm)

8-hour

Sulfur di Oxide
(SO
2)

80 µg/m3
(0.03 ppm)

Annual

365 µg/m3
(0.14 ppm)
(Ka)

24-hour

Abbreviation:

ppm   : Parts Per Million
 

Notes: *In this schedule Air Quality Standards means Ambient Air Quality Standards

(Ka)    Not to be exceeded more than once per year

(Kha)  Annual average value will be less than or equal to 50 microgram/cubic meter           

(Ga)    Average value of 24 hours will be less or equal to 150 microgram/cubic meter for one day each year. 

(Gha)  Maximum average value for every one hour each year will be equal or less than 0.12 ppm. “

(Kha) Instead of schedule 6 the following schedule 6 will be replaced:-

“Schedule-6
(See Rules 4 & 12)

Part- Ka
(Emission standards for diesel driven vehicles during registration)
 

Bangladesh-1 (Table-1)
 

Vehicle type

Emission Standards (gm/km)

Test Procedure

CO

HC + NOx

PM

1

2

3

4

5

Light duty
(Not more than 8 seats in addition to driver & max. weight upto 2.5 tons)

 

 

 

 

New Type Approval (TA)

2.72

0.97

0.14

 

91/441/EEC

 

Conformity of Production (COP)

3.16

1.13

0.18

Imported used

3.16

1.13

0.18

Medium duty
(More than 8 seats in addition to driver but less than 15 seats & weight more than 2.5 tons but upto 3.5 tons)

 

 

 

 

New TA

6.9

1.7

0.25

 

93/59/EC

 COP

8.0

2.0

0.29

Imported used

8.0

2.0

0.29

                            Bangladesh-1 (Table-2)

Vehicle type

Emission Standards (gm/kWh)

Test Procedure

CO

HC

NOx

PM*

Heavy duty
(More than 15 seats in addition to driver & weight more than 3.5 ton)

 

 

 

 

 

 

91/542/EEC
and ECE R
49.02

New     TA

4.5

1.1

8.0

0.36

New COP

4.9

1.23

9.0

0.4

Imported used

4.9

1.23

9.0

0.4

*For the diesel engines with 85kW or less power the limit is to be multiplied by a factor of to 1.7.

Abbreviation:

EC   : European Council

km    : Kilometer

EEC : European Economic Community.

TA    : Type Approval.

COP : Conformity of Production.

ECE : Economic Commission for Europe.

Part –Kha
(Emission standards for Petrol and CNG driven vehicles during registration)
 

Bangladesh-2 (Table-1)
 

Vehicle type

Emission Standards (gm/km)

Emissions due to Evaporation (g/test)

Test Procedure

CO

HC + NOx

1

2

3

4

5

(2 and 3 wheeled)
4-stroke

4.5

3.0

 

-

ECE-40

Light duty (Not more than 8 seats in addition to driver & max. GVW. 2.5 tons)

2.2

0.5

2.0

94/12/EC

Medium duty
(More than 8 seats in addition to driver but less than 15 seats & GVW more than 2.5 tons but max. 3.5 tons)

5.0

0.7

2.0

96/69/EC

Bangladesh-2 (Table-2) 

Vehicle type

Emission Standards (gm/kW-hr)

Evaporation emissions (g/test)

Test Procedure

CO

HC/

NMHC*

NOx

Heavy duty
(More than 15 seats in addition to driver & GVW. more than 3.5 ton)

 

 

 

 

 

 

 

91/542/EEC

and ECE  R 49.02 and *13- mode test cycle

 

New TA  (Petrol/ CNG)

4.5

        1.1

8.0

2.0

New  COP(Petrol/ CNG)

4.9

 1.23

9.0

2.0

Imported used (Petrol/ CNG)

4.9

  1.23

9.0

2.0

* Applicable for CNG driven vehicles

Abbreviation:

CNG     : Compressed Natural Gas

COP     : Conformity of Production

EC        : European Council

EEC     : European Economic Community

ECE     : Economic Commission for Europe

TA        : Type Approval

km        : Kilometer

kW       : Kilo Watt

Hr         : Hour

Part- Ga

(Emission inspection standards during registration mentioned in Part-A and part-B) 

Vehicle type

Parameter

Emission Standard

1

2

3

At least 3 wheeled petrol and CNG driven vehicles

Idle CO

Idle HC

0.5 %v/v

1200 ppm

No load,

 2500-3000 RPM

CO

HC

Lambda

 

0.3 %v/v

300 ppm

1± 0.03

      Visual check

3-Way catalytic converter fitted in the exhaust

Diesel naturally aspirated

Free acceleration smoke

1.2 m-1 smoke density
(40 HSU)

Diesel turbo-charged

Free acceleration smoke

2.2 m-1 smoke density
(61 HSU)

Abbreviation:

HSU   : Hartridge Smoke Unit

ppm   :  Parts Per Million

m-1       :  Meter Inverse

Part- Gha

(Emission standards for In-use diesel vehicle registered before September 1, 2004.)
 

Vehicle Type

Test

Smoke Opacity

Effective

01 September, 2004-31 December, 2006

Effective

01 January, 2007-31 December, 2008

Effective

01 January, 2009

Buses

 

Free

acceleration

80 HSU

or

3.7 m-1

70 HSU

or

2.8 m-1

65 HSU

or

2.4 m-1

Trucks and all other diesel vehicles

Free acceleration

90 HSU

or

5.3 m-1

80 HSU

or

3.7 m-1

65 HSU

or

2.4 m-1

 Part- Umma

(Emission standards for petrol and CNG driven vehicles registered before September 1, 2004)

Vehicle Type

 

Test

CO (% by volume)

HC (ppm)

1

2

3

4

 4-wheeled petrol vehicles

Idle Speed

4.5

1,200

 All CNG driven vehicles

Idle Speed

3.0

-

Petrol driven 2-Stroke engine 2 and 3-wheelers

Idle Speed

7.0

12,000

Petrol driven 4-Stroke 2 and 3-wheelers

Idle Speed

7.0

3,000

Note: Idle Speed RPM to be specified by the manufacturer.

Part- Ch

(Emission Standards for vehicle registered after September 1, 2004)

Vehicle Type

Test

CO (% by volume)

HC (ppm)

Lambda

(l)

Smoke

1

2

3

4

5

6

4-wheeled petrol and CNG vehicles.

Idle Speed

1.0

1200

-

-

No load,

2500-3000 RPM

0.5

300

1.0 ± 0.03

-

Petrol driven 4-Stroke 2 and 3-wheelers

Idle Speed

4.5

1200

-

-

CNG driven 3-wheelers

Idle Speed

3.0

-

-

-

Naturally aspirated diesel vehicles

Free acceleration

-

-

-

65 HSU or 2.5 m-1

Turbo-charged diesel vehicles

Free acceleration

-

-

-

72 HSU or 3.0 m-1


Note: Idle speed RPM to be specified by the manufacturer”.


By Order of the President
Jafar Ahmed Chowdhury
Secretary



 

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