| Increase use of Public Transport & Reduce
Emissions : Emission Standard
PROPOSED NATIONAL
AMBIENT AIR QUALITY STANDARDS (NAAQS) FOR BANGLADESH
|
POLUTANT |
OBJECTIVE |
AVERAGING TIME |
|
CO |
10 mg/m3
(9 ppm) |
8-houra |
|
40 mg/m3
(35 ppm) (a) |
1-houra |
|
Lead |
0.5 µg/m3 |
Annual |
|
NO2 |
100 µg/m3
(0.053 ppm) |
Annual |
|
PM-10 |
50 µg/m3 |
Annualb |
|
150 µg/m3 |
24-hourc |
|
PM-2.5 |
15 µg/m3 |
Annual |
|
65 µg/m3 |
24-hour |
|
Ozone |
235 µg/m3
(0.12 ppm) |
1-hourd |
|
157 µg/m3
(0.08 ppm) |
8-hour |
|
SO2 |
80 µg/m3
(0.03 ppm) |
Annual |
|
365 µg/m3
(0.14 ppm) |
24-houra |
Notes:
| a. |
Not to be
exceeded more than once per year |
| b. |
The
objective is attained when the annual arithmetic mean is
less than or equal to 50 ug/m3. |
| c. |
The
objective is attained when the expected number of days
per calendar year with a 24-hour average of 150 ug/m3 is
equal to or less than 1. |
| d. |
The
objective is attained when the expected number of days
per calendar year with the maximum hourly average of
0.12 ppm is equal to or less than 1. |
|
|
Proposed Vehicle Emission standards (VES)
[Schedule -6(Ka) to Schedule -6(Cha)]
Schedule -6 of the Environment Conservation Rules , 1997 will
be replaced by the following schedules:
6(Ka),6(Kha),6(Ga),6(Gha), 6(Uma) and 6(Cha)
Schedule -6(Ka): Emission standards for new locally
made and new and imported used diesel driven vehicles.
(Refer to Rules 4 & 12)
(Bangladesh-1) |
|
Vehicle type |
Emission Standards
(g/km) |
Test Procedure |
|
CO |
HC + NOx |
PM* |
|
Light duty
vehicles
(Not more than 8
seats in addition to driver & max. GVW. 2.5 tons) |
|
New Type Approval
(TA)
Conformity of
Production (COP)
|
2.72 |
0.97 |
0.14 |
91/441/EEC
91/441/EEC |
|
3.16 |
1.13 |
0.18 |
|
Imported used diesel |
3.16 |
1.13 |
0.18 |
|
Medium duty Vehicles
(More
than 8 seats in addition to driver but less than
15 seats & GVW more than 2.5 tons but max. 3.5
tons) |
|
New TA
COP |
6.9 |
1.7 |
0.25 |
93/59/EC
93/59/EC
|
|
8.0 |
2.0 |
0.29 |
|
Imported used diesel |
8.0 |
2.0 |
0.29 |
|
Heavy Duty
Vehicles
(More than 15 seats in addition to driver & GVW. more than 3.5
ton)
|
|
Vehicle type |
Emission Standards
(g/kWh) |
Test Procedure |
|
|
CO |
HC |
NOx
|
PM* |
|
New TA |
4.5 |
1.1 |
8.0 |
0.36 |
91/542/EEC
and
ECE R
49.02 |
|
New COP |
4.9 |
1.23 |
9.0 |
0.4 |
|
Imported used |
4.9 |
1.23 |
9.0 |
0.4 |
|
Abbreviation:
For the diesel engines with 85kW or less power the limit is to
be increased by a factor of to 1.7.
COP: Conformity of Production.
EEC: European Economic Community.
ECE: Economic Commission for Europe.
GVW: Gross Vehicle Weight
TA: Type Approval.
|
|
Schedule
-6(Kha): Emission standards for new locally made and new and
imported used petrol and CNG driven vehicles.
(Refer to Rules 4 & 12)
(Bangladesh -2)
|
Vehicle type |
Emission Standards (g/km) |
Evaporation emissions (g/test) |
Test Procedure |
|
CO |
HC
+ NOx |
|
2 and 3 wheelers |
|
4stroke petrol/CNG |
4.5 |
3.0 |
- |
ECE-40 |
|
Light duty vehicles
(Not more than 8 seats
in addition to driver & max. GVW
2.5 tons) |
|
Petrol/CNG |
2.2 |
0.5 |
2.0 |
94/12/EC |
|
Imported used petrol /CNG |
2.2 |
0.5 |
2.0 |
94/12/EC |
|
Medium duty Vehicles
(More
than 8 seats in addition to driver but
less than 15 seats & GVW more
than 2.5 tons but max. 3.5 tons) |
|
New and imported used Petrol/CNG
|
5.0 |
0.7
|
2.0 |
96/69/EC |
|
Heavy Duty
Vehicles
(More than 15 seats in addition to driver & GVW more than 3.5 ton)
|
Vehicle type |
Emission Standards (g/kWh) |
Evaporation emissions (g/test) |
Test Procedure |
|
CO |
HC/
NMHC* |
NOx |
|
New TA (Petrol/ CNG) |
4.5 |
1.1 |
8.0 |
2.0 |
91/542/EEC
and
ECE R
49.02 and
13- mode test cycle* |
|
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.
|
Schedule -
6 (Ga): Emission inspection standards for new locally made and
new and imported used light, Medium duty and heavy duty
(Petrol, Diesel and CNG driven) Vehicles (during registration)
(Refer to Rules 4 & 12)
|
Vehicle type |
Parameter |
Emission Standard |
|
4 wheeled Petrol and CNG driven vehicles |
Idle CO
Idle HC |
0.5 %v/v
1200 ppm |
|
No load,
>2500< RPM <3000
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
|
Schedule-
6(Gha): Emission Standards for In-Service Vehicles
registration
after 1st July 2004.
(Refer to Rules 4 & 12)
|
Vehicle Type |
Test |
CO (%
by volume) |
HC (ppm) |
Lambda
(l) |
Smoke |
|
All 4-wheeled Petrol and CNG vehicles. |
Idle Speed |
1.0 |
1200 |
- |
- |
|
No load,
> 2500 <RPM
< 3000 |
0.5 |
300 |
1.0 ± 0.03 |
- |
|
4 Stroke Engine Petrol Two and Three
Wheelers |
Idle Speed |
4.5 |
1200 |
- |
- |
|
All CNG Three Wheelers |
Idle Speed |
3.0 |
- |
- |
- |
|
All naturally aspirated diesel vehicles |
Free acceleration |
- |
- |
- |
65 HSU or 2.5 m-1 |
|
All turbocharged diesel vehicles |
Free acceleration |
- |
- |
- |
72 HSU or 3.0 m-1 |
|
Note: Idle Speed
RPM specified by the manufacturer.
|
Schedule-
6(Uma): Emission Standards for In-Service Petrol and CNG
Vehicles registration before July 1, 2004.
(Refer to Rules 4 & 12)
|
Vehicle Type |
Test |
CO (%
by volume) |
HC (ppm) |
|
All 4-wheeled Petrol Vehicles |
Idle Speed |
4.5 |
1,200 |
|
All CNG driven
Vehicles |
Idle Speed |
3.0 |
- |
|
2 Stroke Engine Petrol Two and Three
Wheelers |
Idle Speed |
7.0 |
12,000 |
|
4 Stroke Engine Petrol Two and Three
Wheelers |
Idle Speed |
7.0 |
3,000 |
|
Note: Idle Speed
RPM specified by the manufacturer.
|
Schedule -
6(Cha): Emission Standards for In-Service Diesel Vehicle
registration before July 1,2004.
(Refer to Rules 4 & 12)
|
Vehicle Type |
Test |
Smoke
Opacity |
|
Commencing January, 2004 |
Commencing January, 2007 |
Commencing 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 |
|
General
instruction:
Importer must submit Emission Compliance Certificate from an
internationally recognized independent agency at the time of
clearance of the imported vehicles under schedule 6 (Ka) or 6(Kha)
as relevant to the vehicle type.
Source: Department
of Environment, Bangladesh |
