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THE MINISTRY
OF NATURAL RESOURCES AND ENVIRONMENT
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SOCIALIST
REPUBLIC OF VIETNAM
Independence - Freedom - Happiness
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No. 22/2006/QĐ-BTNMT
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Hanoi,
December 18, 2006
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DECISION
ON THE COMPULSORY APPLICATION OF
VIETNAM’S STANDARDS ABOUT THE ENVIRONMENT.
THE MINISTER OF NATURAL RESOURCES AND ENVIRONMENT
Pursuant to the Law on Environment protection
dated November 29th 2005;
Pursuant to the Government's Decree No.
80/2006/NĐ-CP dated August 09th 2006 detailing and guiding the
implementation of a number of articles of the Law on Environment protection;
Pursuant to the Government's Decree No.
91/2002/NĐ-CP dated November 11th 2002 defining the functions,
tasks, powers and organizational structure of the Ministry of Natural Resources
and Environment;;
After reaching an agreement with the Ministry
of Science and Technology on the replacement of the Vietnam’s Standards about
the environment promulgated together with the Decision No. 35/2002/QĐ-BKHCNMT
dated June 25th 2002 of the Minister of Natural Resources and
Environment. (The Official Dispatch No. 2907/BKHCN-TĐC dated October
30th 2006);
At the proposal of the Director of the
Environment Department and the Director of the Legal Department,
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Article 1. Making compulsory the
application of 05 Vietnam’s Standards about the environment, promulgated
by the Minister of Science and Technology in the Decision No. 1696/QĐ-BKHCN
dated July 28th 2006,:
- TCVN 5937:2005 - Air quality - Ambient air
quality standards.
- TCVN 5938:2005 - Air quality - Maximum
permissible concentration of hazardous substances in ambient air.
- TCVN 5939:2005 - Air quality - Industrial
emission standards - Inorganic substances and dusts.
- TCVN 5940:2005 - Air quality - Industrial
emission standards - Organic substances.
- TCVN 5945:2005 - Industrial waste water -
Discharge standards.
Article 2. Applying Column B, Table 1 in
TCVN 5939:2005, the coefficient of region (Kv) and the coefficient of wastewater flow rate (Kp) to the new producing,
processing, trading, and constructing establishments.
Applying Column A, Table 1 in TCVN 5939:2005,
the coefficient of region (Kv) and the coefficient of wastewater
flow rate (Kp) to the new producing, processing, trading, and
service-providing establishments that commence their operation from January 01st
2003 until this Decision takes effect.
Applying Column A, Table 1 in TCVN 5939:2005 to
the establishments that commence their operation before January 01st
2003.
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The values of coefficients and the methods of
calculating the maximum concentrations of the factors of pollution are provided
in Annex 1 promulgated together with this Decision.
Article 3. Applying the coefficient of
flow rate/storage capacity (Kq) and the coefficient of wastewater
flow rate (Kf) to the standards of Industrial waste water - TCVN
5945:2005.
The values of coefficients and the methods of
calculating the maximum concentrations of the factors of pollution are provided
in Annex 2 promulgated together with this Decision.
Article 4. Annulling TCVN
5937:1995, TCVN 5938:1995, TCVN 5939:1995, TCVN 5940:1995, TCVN 5945:1995, TCVN
6980:2001, TCVN 6981:2001, TCVN 6982:2001, TCVN 6983:2001, TCVN 6984:2001, TCVN
6985:2001, TCVN 6986:2001, TCVN 6987:2001, TCVN 6991:2001, TCVN 6992:2001, TCVN
6993:2001, TCVN 6994:2001, TCVN 6995:2001 and TCVN 6996:2001 in the List of
Vietnam’s Standards about the environment promulgated together with the
Decision No. 35/2002/QĐ-BKHCNMT dated June 25th of the Minister of
Natural Resources and Environment.
Article 5. This Decision takes effect
after 15 days as from the date of its publication on the Official Gazette.
The Ministers, Heads of ministerial-level
agencies, Heads of Governmental agencies, the Presidents of People’s Committees
of central-affiliated cities and provinces, relevant organizations and
individuals shall implement this Decision./.
THE
MINISTER
Mai Ai Truc
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ANNEX 1
DECISION
COEFFICIENT OF
WASTEWATER FLOW RATE (KP), COEFFICIENT OF REGION (KV) AND THE METHOD OF
CALCULATING THE MAXIMUM PERMISSIBLE CONCENTRATION OF POLLUTANTS IN INDUSTRIAL
EMISSION
(Promulgated together with the Decision No. 22/2006/QĐ-BTNMT dated December
18th 2006 of the Minister of Natural Resources and Environment)
1. The formula for calculating the maximum permissible
concentration of pollutants in industrial emission
The maximum permissible concentration of the
pollutants in the emission discharged into the environment by the
establishments is calculated as follows:
Cmax=C
x Kp x Kv
In particular:
Cmax is the
maximum permissible concentration of pollutants in the emission discharged to
the environment by the producing and trading establishments, expressed in
milligram per cubic meter of emission in standard condition (mg/Nm3);
C is the value of the
maximum permissible concentration of pollutants in TCVN 5939:2005;
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Kv is the coefficient
of the region where the establishments are situated.
2. Value of Kp
The values of Kp are provided
in Table 1A below.
Table 1A: Values of Kp
corresponding to the flow rate of wastewater discharged by the producing and trading
establishments.
Wastewater flow rate;
Unit: cubic
meter per hour (m3/h)
Giá trị hệ số
Kp
P £ 20,000
1
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0.9
P >100,000
0.8
P is the total flow rate of
the emission discharged to the environment by a producing or trading establishment.
3. Value of Kv
The values of Kv are provided
in Table 2A below.
Table 2A: Values of Kv corresponding to the region
where the producing or trading establishment is situated.
Region
Value of Kv
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Urban areas of cities in special class(1)
and cities in class I(1); specialized forests(2);
classified natural, historical, and cultural heritages(3);
producing establishments, processing establishments, and service-providing
establishments from which the distances to the boundary these areas are
shorter than 02 km.
0.6
Region 2
The urban areas of cities
in in class II, III, IV (1); suburban areas of cities in special
class and class I from which the distances to the boundary of the urban area
are ≥ 2 km; classified natural, historical, and cultural heritages; the
producing establishments, processing establishments, and service-providing
establishments from which the distances to the boundary these areas are
shorter than 02 km.
0.8
Region 3
Industrial zones; urban
areas of cities in class V (1); suburban areas of cities in class
II, III, IV from which the distances to the boundary of the urban area are ≥
2 km;; the producing establishments, processing establishments, and
service-providing establishments from which the distances to the boundary
these areas are shorter than 02 km(4).
1.0
Region 4
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1.2
Region 5
Rural areas in highland
1.4
Notes:
(1) Cities are classified in
the Government's Decree No. 27/2001/NĐ-CP dated October 5th 2001 on
the classification and management of cities.
(2) Specialized forests in the
Law of forest protection and development dated December 14th 2004
include: National parks, wildlife sanctuaries, scenery conservation areas;
forests for scientific research and experiments;
(3) The natural heritages,
cultural and historical remains classified and accredited by UNESSCO, the Prime
Minister or Ministries in charge.
(4) if the distances from a
producing establishment to the boundaries of 02 or more regions is shorter than
2 km, then the respective Kv coefficients of region 1, 2, 3, 4, and 5 shall
apply (the respective Kv is 0.6; 0.8; 1; 1.2; and 1.4).
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ANNEX 2
DECISION
COEFFICIENT OF
WASTEWATER FLOW RATE (KF), COEFFICIENT OF FLOW RATE/STORAGE CAPACITY OF THE
OUTLET (KQ), AND THE METHOD OF CALCULATING THE MAXIMUM PERMISSIBLE
CONCENTRATION OF POLLUTANTS IN INDUSTRIAL WASTEWATER
(Promulgated together with the Decision No. 22/2006/QĐ-BTNMT dated December
18th 2006 of the Minister of Natural Resources and Environment)
1. The formula for calculating the maximum
permissible concentration of pollutants in industrial wastewater
a) The maximum permissible concentration of the
pollutants in the wastewater discharged to the outlets by the producing are
trading establishments is calculated as follows:
Cmax=C
x Kq x Kf
In particular:
Cmax is the
maximum permissible concentration of the pollutants in the wastewater
discharged to the outlets by producing and trading establishments,
expressed in milligram per liter of wastewater (mg/l);
C is the value
of the maximum permissible concentration of pollutants in TCVN 5945:2005;
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Kf is
the coefficient of the wastewater flow rate.
b) Do not use the formula for
calculating the maximum permissible concentration of pollutants in industrial
wastewater for column C and the factors No. 1 to 4, from No. 34 to 37 provided
in Table 1 of TCVN 5945:2005.
2. Value of Kq
a)The values of Kq
of wastewater outlets being rivers are provided in Table 1B below.
Table 1B: Values
of corresponding to the flow rate of the rivers that receive wastewater
Flow rate of
the river that receives wastewater
Unit: cubic
meter per hour (m3/s)
Value of Kq
Q £ 50
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50 < Q £ 200
1
Q > 200
1.1
Q is the flow rate of the
river that receives wastewater. The value of Q is calculated according to the
average value of the 3 driest months in 03 consecutive years (data from the
National Meteorology and Hydrography Service). For channels and small streams
that do not have information about their flow rate, Kq = 0.9
b)The values of Kq of
wastewater outlets being lakes are provided in Table 2B below.
Table 2B:
Value of Kq corresponding to the storage capacity of the that
receives wastewater
Volume of the
lake that receives wastewater;
Unit: million
cubic meter (106 m3)
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V £ 10
0.6
10 < V £ 100
0.8
V > 100
1.0
V is the volume of the lake
that receives wastewater; The value of V is calculated according to the average
value of the 3 driest months in 03 consecutive years (data from the National
Meteorology and Hydrography Service).
c) For the outlets of
industrial wastewater being coastal seawater Kq=1.2. For the outlets
of industrial wastewater being coastal seawater used for protecting aquatic
organisms; water sports and entertainment, Kq=1.
3. Value of Kf
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Table 3B:
Value of Kf corresponding to the flow rate of wastewater.
Flow rate of
wastewater
Unit: million cubic
meter per day (m3/24h)
Value of Kf
F £ 50
1.2
50 < F £ 500
1.1
500 < F £
5000
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F > 5000
0.9
4. The application of new
factors of pollution and the stricter factors to the operating producing and
trading establishments.
Applying the new factors
compared to the TCVN 5945:1995, numbered 3; 4; 25; 27; 30; 35 in Table 1
5945:2005 on January 01st 2008 at the latest.
Stricter factors: COD in
column B; Cadimi; Nickel in column B; gross nitrogen; Coliform shall
temporarily apply the values provided in Table 1 TCVN 5945:1995. on January 01st
2008 at the latest, all producing and trading establishments must apply TCVN
5945:2005, the coefficient of flow rate/storage capacity of the outlet (Kq),
and coefficient of wastewater flow rate (Kf).