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THE MINISTRY OF
NATURAL RESOURCES AND ENVIRONMENT
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THE SOCIALIST
REPUBLIC OF VIETNAM
Independence - Freedom - Happiness
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No.
11/2015/TT-BTNMT
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Hanoi, March 31,
2015
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CIRCULAR
PROMULGATING
THE NATIONAL TECHNICAL REGULATION ON ENVIRONMENT
Pursuant to the Law on Technical Standards and
Regulations dated June 29, 2006;
Pursuant to the Law on Environment Protection
dated June 23, 2014;
Pursuant to the Government's Decree No.
127/2007/NĐ-CP dated August 01, 2007 providing the specific regulation on the
implementation of a number of articles of the Law on Technical Standards and
Regulations;
Pursuant to the Government’s Decree No.
21/2013/NĐ-CP dated March 4, 2013 on defining the functions, tasks, powers and
organizational structure of the Ministry of Natural Resources and Environment;
At the request of the Director General of the
Vietnam Environment Administration, the Director of the Department of Science
and Technology and the Director of the Department of Legal Affairs;
The Minister of Natural Resources and
Environment hereby promulgates the Circular on stipulating the national
technical regulation on environment:
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Article 2. This Circular shall come into force from June 1, 2015.
Article 3. The Director General of Vietnam Environment Administration,
the Head of affiliates of the Ministry of Natural Resources and Environment,
the Director of the Department of Natural Resources and Environment of
central-affiliated cities or provinces, along with relevant organizations or
individuals, shall be responsible for implementing this Circular./.
PP. THE
MINISTER
THE DEPUTY MINISTER
Bui Cach Tuyen
QCVN 01-MT : 2015/BTNMT
NATIONAL
TECHNICAL REGULATION ON THE EFFLUENT OF NATURAL RUBBER PROCESSING INDUSTRY
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QCVN 01-MT:2015/BTNMT is edited and revised from
QCVN 01:2008/BTNMT by the editorial board for the national technical regulation
on the effluent of natural rubber processing industry; The Environment
Administration, the Department of Science and Technology, and the Department of
Legal Affairs, shall submit this regulation for approval. This regulation shall
be issued together with the Circular No. 11/2015/TT-BTNMT of the Minister of
Natural Resources and Environment dated March 31, 2015.
NATIONAL
TECHNICAL REGULATION ON THE EFFLUENT OF NATURAL RUBBER PROCESSING INDUSTRY
1. GENERAL PROVISIONS
1.1. Scope of application
This Regulation shall stipulate the maximum
permissible value of parameters of pollutants in the effluent of the natural
rubber processing industry discharged into the receiving waters.
1.2. Applicable entities
1.2.1. This Regulation shall particularly apply to
the effluent of natural rubber processing industry. All organizations or
individuals involving the discharge of the effluent of natural rubber
processing industry into the receiving waters must comply with provisions laid
down in this Regulation.
1.2.2. The effluent of natural rubber processing
industry discharged into the collection system of centralized wastewater
treatment plant must conform to regulations set forth by the organization in
charge of managing and operating that centralized wastewater treatment plant.
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Terms used in this Regulation shall be construed as
follows:
1.3.1. The effluent of natural rubber processing
industry refers to the industrial wastewater drained from factories or
manufacturing facilities which employing methods for manufacturing and
processing of natural rubber latex into products such as block, sheet, crepe
rubber and latex concentrate used as materials to create rubber products.
1.3.2. New facility refers to natural rubber
processing factories or facilities which operate after the effective date of
this Regulation, including those which are under construction and have obtained
the approval for the report on environmental impact assessment and make
environment protection commitments before the effective date of this
Regulation.
1.3.3. Existing facility refers to natural
rubber processing factories or facilities that operate before the effective
date of this Regulation.
1.3.4. Receiving water refers to the
wastewater disposal system of an urban, residential area, industrial zone and
industrial complex; rivers, streams, canals and channels; lake, pond or
wetland; near-coastal waters used for definite purposes.
2. TECHNICAL REGULATION
2.1. This Regulation shall specify the
maximum permissible value of parameters of pollutants in the effluent of the
natural rubber processing industry discharged into the receiving waters.
2.1.1. The maximum permissible value of parameters
of pollutants in the effluent of the natural rubber processing industry
discharged into the receiving waters shall be calculated as follows:
Cmax = C
x Kq x Kf
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- Cmax denotes the maximum permissible
value of parameters of pollutants in the effluent of natural rubber processing
industry discharged into the receiving waters.
- C denotes the value of parameter of pollutants in
the effluent of natural rubber processing industry stipulated in section 2.2;
- Kq denotes the coefficient of the
receiving water stipulated in section 2.3 equivalent to the flow of water in a
river, stream, channel, canal or ditch; the volume of lake, bond and wetland;
the use purpose of the near-coastal waters;
- Kf denotes the discharge flow
coefficient stipulated in section 2.4 equivalent to the aggregated flow of the
effluent of natural rubber processing industry discharged into the receiving
waters;
2.1.2. The maximum permissible value of Cmax
= C (except for the coefficient Kq and Kf) shall be
applied to the pH parameter.
2.1.3. The effluent of natural rubber processing
industry discharged into the waste water disposal system of an urban or
residential area where none of centralized wastewater treatment plants is
developed shall apply the value Cmax = C stipulated at the column B,
Schedule 1.
2.2. The value C used as the basis for
calculating the maximum permissible value of parameters of pollutants
Schedule 1: The
value C used as the basis for calculating the maximum permissible value of
parameters of pollutants in the effluent of natural rubber processing industry
No.
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Measurement
unit
Value C
A
B
1
pH
-
6 - 9
6 - 9
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BOD5 (20°C)
mg/l
30
50
3
COD
New facility
mg/l
75
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Existing facility
mg/l
100
250
4
Total suspended solid (TSS)
mg/l
50
100
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Total Nitrogen
New facility
mg/l
40
60
Existing facility
mg/l
50
80
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Ammonium
(NH4+ based on N)
New facility
mg/l
10
40
Existing facility
mg/l
15
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The column A of Schedule 1 displays the value C of
parameters of pollutants in the effluent of natural rubber processing industry
discharged into the water sources used for the purpose of supplying water to
daily human activities;
The column B of Schedule 1 displays the value C of
parameters of pollutants in the effluent of natural rubber processing industry
discharged into the water sources which are not used for the purpose of
supplying water to daily human activities;
The use purpose of the receiving water is
determined at the wastewater receiving facility.
As from January 1, 2020, the statutory value
applied to new facilities shall be so applied to all natural rubber processing
facilities.
2.3.Coefficient of the receiving water Kq
2.3.1. The coefficient Kq equivalent to
the flow of water in rivers, streams, channels, canals and ditches stipulated
by Schedule 2 as follows:
Schedule 2: The
coefficient Kq equivalent to the flow of the receiving water
The flow of the
receiving water (Q)
Measurement unit:
cubic meter/second (m3/s)
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Q ≤ 50
0.9
50 < Q ≤ 200
1
200 < Q ≤ 500
1.1
Q > 500
1.2
Q is calculated by determining the mean value of
the flow of the receiving water observed in 03 driest months of 03 successive
years (data provided by the meteorology and hydrology center).
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Schedule 3: The
coefficient Kq equivalent to the volume of the receiving water
The volume of
the receiving water (V)
Measurement unit:
cubic meter (m3)
Coefficient Kq
V ≤ 10 x 106
0.6
10 x 106
< V ≤ 100 x 106
0.8
V > 100 x 106
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V is calculated by determining the average value of
the volume of the receiving water in lakes, ponds and wetlands during 03 months
when the lowest water level is recorded in 03 successive years (based on the
data provided by the meteorology and hydrology center).
2.3.3. If the receiving water is not given the data
about the flow of receiving water in rivers, streams, canals, channels and
ditches, the coefficient Kq = 0.9 shall be applicable; If the
receiving water is not given the data about the volume of receiving water in
lakes, ponds and wetlands, the coefficient Kq = 0.6 shall be
applicable.
2.3.4. The coefficient Kq for the
receiving water which is the near-coastal waters, or receiving waters in salt
and brackish lagoons.
The near-coastal waters used for the purpose of
aquatic life protection, water sports and entertainment services, the salt and
brackish lagoon, shall take the coefficient value Kq = 1.
The near-coastal waters which are not used for the
purpose of aquatic life protection, water sports and entertainment services
shall take the coefficient value Kq = 1.3.
2.4. Coefficient of the discharge flow Kf
Coefficient of the discharge flow Kf is
stipulated in the Schedule 4 as follows:
Schedule 4:
Coefficient of the discharge flow Kf
Discharge flow
(F)
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Coefficient Kf
F ≤ 50
1.2
50 < F ≤ 500
1.1
500 < F ≤ 5.000
1.0
F > 5.000
0.9
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If the discharge flow F changes and is not
consistent with the coefficient value Kf currently applied, the
natural rubber processing facility must report to competent authorities to have
it adjusted.
2.5. Using the effluent for watering trees
The effluent drained from natural rubber processing
facilities shall be reused to water trees if it meets the following
requirements:
- The maximum permissible value of parameters, such
as pH, BOD5 and COD, must conform to statutory requirements
stipulated in the column B of the Schedule 1 (Kq = 1; Kf
= 1);
- The treated effluent shall be collected into the
reservoir to serve the watering purpose. The reservoir must conform to
technical requirements for environmental protection as follows:
- The Department of Natural Resources and Environment
must be notified in writing of the watering plan or proposal in order to
collaboration in performing their supervision tasks;
- Enterprises discharging the effluent shall only
be permitted to use their effluent to water their own trees.
3. DETERMINATION METHOD
3.1. Method for sampling and determination of
the value of parameters of factors in the effluent of natural rubber processing
industry shall conform to the following standards:
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Parameter
Examination
method and calibration code
1
Sampling
- TCVN 6663-1:2011 (ISO 5667-1:2006) – Water
quality – Part 1: Guidance on the design of sampling programmes and sampling
techniques;
- TCVN 6663-3:2008 (ISO 5667-3: 2003) – Water
quality – Sampling. Guidance on the preservation and handling of water
samples;
- TCVN 5999:1995 (ISO 5667-10: 1992) – Water
quality – Sampling. Guidance on the wastewater sampling.
2
pH
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3
BOD5 (20°C)
- TCVN 6001-1:2008 (ISO 5815-1:2003), Water
quality - Determination of biochemical oxygen demand after n days (BODn)
- Part 1: Dilution and seeding method with allylthiourea addition;
- TCVN 6001-2:2008 (ISO 5815-2:2003), Water
quality - Determination of biochemical oxygen demand after n days (BODn)
- Part 2: Method for undiluted samples;
- SMEWW 5210 B - Standard methods for the
examination of water and wastewater – BOD determination.
4
COD
- TCVN 6491:1999 (ISO 6060:1989), Water quality –
Determination of chemical oxygen demand (COD);
- SMEWW 5220 - Standard methods for the
examination of water and wastewater – COD determination
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Total suspended solid (TSS)
- TCVN 6625:2000 (ISO 11923:1997), Water quality
– Determination of total suspended solid through glass fibre filtration;
- SMEWW 2540 - Standard methods for the
examination of water and wastewater – TSS determination.
6
Total Nitrogen (N)
- TCVN 6638:2000 Water quality - Determination of
nitrogen - Catalytic digestion after reduction with Devarda's alloy;
- SMEWW 4500-N.C - Standard methods for the
examination of water and wastewater – Nitrogen determination
7
Ammonium (NH4+)
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- TCVN 6179-1:1996 (ISO 7150-1:1986) – Water
quality –Ammonium determination. Part 2: Manual spectrometric method
- TCVN 5988:1995 (ISO 5664:1984) – Water quality
–Ammonium determination. Distillation and titration method.
- SMEWW 4500-NH3- Standard methods for
the examination of water and wastewater – Nitrogen determination
3.2. Examination methods mentioned in the
guidance provided in other national and international regulations which have
proved their accuracy equal to or higher than those mentioned in regulations
referred to at section 3.1 shall be accepted.
4. IMPLEMENTATION
4.1. This Regulation shall replace QCVN
01:2008/BTNMT - National technical regulation on the effluent of natural rubber
processing industry issued together with the Decision No. 04/2008/QĐ-BTNMT of
the Minister of Natural Resources and Environment dated July 18, 2008.
4.2. Environment-related regulatory agencies
shall be responsible for providing guidance on, inspecting and supervising the
implementation of this Regulation.
4.3. In case standards for examination
methods referred to in this regulation have been changed, amended or replaced,
the new standard shall be applicable.