National Technical Regulation QCVN 01-1:2024/BYT for Domestic water quality
QCVN 01-1:2024/BYT
NATIONAL TECHNICAL REGULATION ON DOMESTIC WATER QUALITY
Foreword
The National Technical Regulation on domestic water quality QCVN 01-1:2024/BYT is compiled by Health Environment Management Agency - Ministry of Health, appraised by Ministry of Science and Technology, and promulgated by Ministry of Health under Circular No. 52/2024/TT-BYT dated December 31, 2024.
The QCVN 01-1:2024/BYT replaces the QCVN 01-1:2018/BYT under Circular No. 41/2018/TT-BYT dated December 14, 2018 and Circular No. 26/2021/TT-BYT dated December 15, 2021.
NATIONAL TECHNICAL REGULATION ON DOMESTIC WATER QUALITY
Chapter I
GENERAL PROVISIONS
Article 1. Scope
This National Technical Regulation prescribes limit values of domestic water quality parameters.
Article 2. Regulated entities
1. This National Technical Regulation applies to: Suppliers; consumers; entities and households producing water for self-consumption; state authorities for inspection, examination, supervision of water quality or health agencies assigned by state authorities to conduct external control, inspection, supervision; laboratories and organizations recognizing water quality parameters.
2. This National Technical Regulation does not apply to water of drinking fountain, bottled mineral water, and bottled drinking water for drinking, water from purifiers, filter system, and water types not for domestic use.
Article 3. Definitions
In this document, the terms below are construed as follows:
1. Clean domestic water means water that has been treated to meet quality and suffice to use for drinking, eating, cooking, and cleaning needs of people (hereinafter referred to as �clean water�).
2. Sensory parameters refer to odor and taste perceptible to human senses.
3. CFU stands for �colony forming unit�.
4. MPN stands for �most probable number�.
5. NTU stands for �nephelometric turbidity unit�.
6. SMEWW stands for Standard Methods for the Examination of Water and Wastewater of the United States.
7. TCU stands for �true color unit�.
8. US EPA stands for United States Environmental Protection Agency.
Chapter II
TECHNICAL PROVISIONS
Article 4. List of water quality parameters and limits
|
No. |
Entry |
Unit |
Permissible limit |
|
Group A parameters |
|||
|
|
a. Microbiological parameters |
|
|
|
1 |
Total Coliform |
CFU/100 ML or MPN/100mL |
< 1 |
|
2 |
Thermotolerant E.coli or Coliform |
CFU/100 ML or MPN/100mL |
< 1 |
|
|
b. Sensory and chemical parameters |
||
|
3 |
Color |
TCU |
15 |
|
4 |
Odor(*) |
- |
No strange odor |
|
5 |
pH(*) |
- |
Between 6,0 - 8,5 |
|
6 |
Turbidity |
NTU |
2 |
|
7 |
Arsenic (As) |
mg/L |
0,01 |
|
8 |
Free chlorine(*) |
mg/L |
Between 0,2 - 1,0 |
|
9 |
Permanganate |
mg/L |
2 |
|
10 |
Ammonia (NH3 and NH4+ by N) |
mg/L |
1 |
|
Group B parameters |
|||
|
|
a. Microbiological parameters |
||
|
11 |
Pseudomonas aeruginosa |
CFU/100mL |
< 1 |
|
12 |
Staphylococcus aureus |
CFU/100mL |
< 1 |
|
|
b. Chemical parameters |
||
|
13 |
Antimony (Sb) |
mg/L |
0,02 |
|
14 |
Barium (Ba) |
mg/L |
1,3 |
|
15 |
Bor in general for Borate and boric acid (B) |
mg/L |
2,4 |
|
16 |
Cadmium (Cd) |
mg/L |
0,003 |
|
17 |
Lead (Plumbum) (Pb) |
mg/L |
0,01 |
|
18 |
Chloride (Cl-) |
mg/L |
250 or 300(**) |
|
19 |
Chromium (Cr) |
mg/L |
0,05 |
|
20 |
Copper (Cuprum) (Cu) |
mg/L |
1 |
|
21 |
Hardness, by CaCO3 |
mg/L |
300 |
|
22 |
Fluoride (F-) |
mg/L |
1,5 |
|
23 |
Zinc (Zincum) (Zn) |
mg/L |
2 |
|
24 |
Manganese (Mn) |
mg/L |
0,1 |
|
25 |
Sodium (Na) |
mg/L |
200 |
|
26 |
Aluminium (Al) |
mg/L |
0,2 |
|
27 |
Nickel (Ni) |
mg/L |
0,07 |
|
28 |
Nitrate (NO3- by N) |
mg/L |
11 |
|
29 |
Nitrite (NO2- by N) |
mg/L |
0,9 |
|
30 |
Iron (Fe) |
mg/L |
0,3 |
|
31 |
Selenium (Se) |
mg/L |
0,04 |
|
32 |
Sulfate (SO42-) |
mg/L |
250 |
|
33 |
Sulfide (S2-) |
mg/L |
0,05 |
|
34 |
Mercury (Hg) |
mg/L |
0,001 |
|
35 |
Total dissolved solids (TDS) |
mg/L |
1.000 |
|
36 |
Cyanide (CN-) |
mg/L |
0,05 |
|
|
Chloroalkanes |
||
|
37 |
1,1,1 - Trichloroethane (C2H3CI3) |
�g/L |
2.000 |
|
38 |
1,2 - Dichloroethane (C2H4CI2) |
�g/L |
30 |
|
39 |
1,2 - Dichloroethene (C2H2CI2) |
�g/L |
50 |
|
40 |
Carbon tetrachloride (CCI4) |
�g/L |
2 |
|
41 |
Dichloromethane (CH2CI2) |
�g/L |
20 |
|
42 |
Tetrachloroethene (C2CI2) |
�g/L |
40 |
|
43 |
Trichloroethene (C2HCI3) |
�g/L |
8 |
|
44 |
Vinyl chloride (C2H3CI) |
�g/L |
0,3 |
|
|
Aromatic hydrocarbons |
||
|
45 |
Benzene (C6H6) |
�g/L |
10 |
|
46 |
Ethylbenzene (C8H10) |
�g/L |
300 |
|
47 |
Pentachlorophenol (C6HCI5O) |
�g/L |
9 |
|
48 |
Styrene (C8H8) |
�g/L |
20 |
|
49 |
Toluene (C7H8) |
�g/L |
700 |
|
50 |
Xylene (C8H10) |
�g/L |
500 |
|
|
Chlorobenzene |
||
|
51 |
1,2 - Dichlorobenzene (C6H4CI3) |
�g/L |
1.000 |
|
52 |
Monochlorobenzene (C6H5CI) |
�g/L |
300 |
|
53 |
Total Trichlorobenzene (C6H3CI3) |
�g/L |
20 |
|
|
Complex organic compounds |
||
|
54 |
Acrylamide (C3H5NO) |
�g/L |
0,5 |
|
55 |
Epichlorohydrin (C3H5CIO) |
�g/L |
0,4 |
|
56 |
Hexachlorobutadiene (C4CI6) |
�g/L |
0,6 |
|
|
Plant protection chemicals |
||
|
57 |
1,2- Dibromo - 3 chloropropane (C3H5Br2CI) |
�g/L |
1 |
|
58 |
1,2 - Dichloropropane (C3H6CI2) |
�g/L |
40 |
|
59 |
1,3- Dichloropropene (C3H6CI2) |
�g/L |
20 |
|
60 |
2,4-D (C8H6CI2O3) |
�g/L |
30 |
|
61 |
2,4 - DB (C10H10CI2O3) |
�g/L |
90 |
|
62 |
Alachlor (C14H20CINO2) |
�g/L |
20 |
|
63 |
Aldicarb (C7H14N2O2S) |
�g/L |
10 |
|
64 |
Atrazine (C8H14CIN5) and chloro-s-triazine derivatives |
�g/L |
100 |
|
65 |
Carbofuran (C12H15NO3) |
�g/L |
5 |
|
66 |
Chlorpyrifos (C9H11CI3NO3PS) |
�g/L |
30 |
|
67 |
Chlordane (C10H6CI8) |
�g/L |
0,2 |
|
68 |
Chlorotoluron (C10H13CIN2O) |
�g/L |
30 |
|
69 |
Cyanazine (C9H13CIN6) |
�g/L |
0,6 |
|
70 |
DDT (C14H9CI5) and derivatives |
�g/L |
1 |
|
71 |
Dichlorprop (C9H8CI2O3) |
�g/L |
100 |
|
72 |
Fenoprop (C9H7CI3O3) |
�g/L |
9 |
|
73 |
Hydroxyatrazine (C8H15N5O) |
�g/L |
200 |
|
74 |
Isoproturon (C12H18N2O) |
�g/L |
9 |
|
75 |
MCPA (C9H9CIO3) |
�g/L |
2 |
|
76 |
Mecoprop (C10H11CIO3) |
�g/L |
10 |
|
77 |
Methoxychlor (C16H15CI3O2) |
�g/L |
20 |
|
78 |
Molinate (C9H17NOS) |
�g/L |
6 |
|
79 |
Pendimethalin (C13H19N3O4) |
�g/L |
20 |
|
80 |
Permethrin (C21H20CI2O3) |
�g/L |
20 |
|
81 |
Propanil (C9H9CI2NO) |
�g/L |
20 |
|
82 |
Simazine (C7H12CIN5) |
�g/L |
2 |
|
83 |
Trifluralin (C13H16F3N3O4) |
�g/L |
20 |
|
|
Disinfectants and by-products |
||
|
84 |
2,4,6 - Trichlorophenol (C6H2CI3OH) |
�g/L |
200 |
|
85 |
Bromat (BrO3-) |
�g/L |
10 |
|
86 |
Formaldehyde (CH2O) |
�g/L |
500 |
|
87 |
Monochloramine (NH3CI) |
�g/L |
3.000 |
|
|
Trihalomethanes (THM) |
|
|
|
88 |
Bromodichloromethane (CHBrCl2) |
�g/L |
60 |
|
89 |
Bromoform (CHBr3) |
�g/L |
100 |
|
90 |
Chloroform (CHCI3) |
�g/L |
300 |
|
91 |
Dibromochloromethane (CHBr2CI) |
�g/L |
100 |
|
|
Halogenated acetonitrile |
|
|
|
92 |
Dibromoacetonitrile (C2HBr2N) |
�g/L |
70 |
|
93 |
Dichloroacetonitrile (C2HCI2N) |
�g/L |
20 |
|
94 |
Trichloroacetonitrile (C2CI3N) |
�g/L |
1 |
|
|
Haloacetic acids (HAAs) |
|
|
|
95 |
Acid monochloroacetic (C2H3CIO2) |
�g/L |
20 |
|
96 |
Acid dichloroacetic (C2H2CI2O2) |
�g/L |
50 |
|
97 |
Acid trichloroacetic (C2HCI3O2) |
�g/L |
200 |
|
|
c. Radiation exposure parameters |
||
|
98 |
Total activity α |
Bq/L |
0,1 |
|
99 |
Total activity ꞵ |
Bq/L |
1,0 |
|
Note: (-) indicates the lack of measurement unit |
|||
|
(*) Measure on site (**) Only apply to coastal areas, islands, or areas prone to saltwater intrusion. Both Nitrite and Nitrate are capable of creating methemoglobin. As a result, where they are both present in water, total ratio between concentration of each substance and their maximum limit must not be greater than 1 and determined using formula below: Cnitrat/GHTDnitrat + Cnitrit/GHTDnitrit ≤ 1 |
|||
Chapter III
REGULATIONS ON MANAGEMENT
Article 5. Sampling methods, test methods
1. Sampling and test methods for water quality parameters are specified under Appendix attached hereto.
2. In addition to methods detailed under Clause 1 of this Article, results produced by automatic and continuous monitoring devices for water quality satisfactory to technical performance characteristics shall also be accepted.
Article 6. Requirements for water quality test laboratories
1. Tests for water quality parameters shall be conducted at laboratories recognized for conformity to TCVN ISO/IEC 17025.
2. Measuring instruments used in tests for water quality parameters (including those for on-site measurement) must be inspected and calibrated in accordance with measurement laws. Technical performance characteristics of measuring instruments must be maintained throughout use during inspection interval.
Article 7. Declaration of conformity
Conform to Circular No. 28/2012/TT-BKHCN dated December 12, 2012 of the Minister of Science and Technology; Circular No. 02/2017/TT-BKHCN dated March 31, 2017 of the Minister of Science and Technology.
Chapter IV
ORGANIZING IMPLEMENTATION
Article 8. Responsibilities for organizing implementation
1. Health Environment Management Agency shall take charge and cooperate with relevant state authorities in guiding implementation, organizing implementation, and requesting Ministry of Health to amend the National Technical Regulation. The Ministry of Health and Departments of Health shall coordinate inspection and supervise compliance of water quality test laboratories with this National Technical Regulation.
2. Suppliers; consumers; entities, and households engaging in water production and self-consumption in Vietnamese territory shall conform to this National Technical Regulation.
3. Water quality test laboratories according to this National Technical Regulation shall operate under inspection, supervision of the Ministry of Health and Departments of Health regarding compliance with Article 6 hereof.
4. Where test methods and legislative documents referred to hereunder are amended or superseded, the new versions shall prevail.
APPENDIX
LIST
OF SAMPLING AND TEST METHODS
(Attached to QCVN 01-1:2024/BYT dated December 31, 2024 of the Minister of
Health)
|
No. |
Parameters |
Analysis method, standard number |
|
1 |
Sampling |
- TCVN 6663-1:2011 (ISO 5667-1:2006), Water quality - Sampling - Part 1: Guidance on the design of sampling programs and sampling techniques - TCVN 6663-3:2016 (ISO 5667-3:2012), Water quality - Sampling - Part 3: Preservation and handling of water samples - TCVN 6663-5:2009 (ISO 5667-5:2006), Water quality - Sampling - Part 5: Guidance on sampling of drinking water from treatment works and piped distribution systems - TCVN 8880:2011 (ISO 19458:2006), Water quality - Sampling for microbiological analysis |
|
2 |
Total Coliform, E.coli or thermotolerant Coliform |
- TCVN 6187-1:2019 (ISO 9308-1:2014): Water quality - Enumeration of Escherichia coli and coliform bacteria - Part 1: Membrane filtration for waters with low background flora - Or SMEWW 9222B:2023 - Total coliform membrane filter procedure using m- Endo media - Or SMEWW 9222D:2023 - Thermotolerant (Fecal) coliform membrane filter procedure. - Or SMEWW 9222I:2023 - Partitioning E. coli from MF Total conforms using NA-MUG agar |
|
- TCVN 6187-2:2019 (ISO 9308-2:2012): Water quality - Enumeration of Escherichia coli and coliform bacteria - Part 2: Most probable number method - Or SMEWW 9221:2023 - Multiple-tube fermentation technique for members of the coliform group. |
||
|
3 |
Staphylococcus aureus |
- SMEWW 9213B:2023 - Microbiological analysis of recreation waters-Swimming pools |
|
4 |
Pseudomonas aeruginosa |
- TCVN 8881:2011 (ISO 16266:2006): Water quality � Detection and enumeration of Pseudomonas aeruginosa � Method by membrane filtration - Or SMEWW 9213E:2023 - Microbiological analysis of recreation waters - Membrane filter technique for Pseudomonas aeruginos |
|
5 |
Arsenic |
- TCVN 6626:2000 (ISO 11969:1996) - Water quality - Determination arsenic - Atomic absorption spectrometric method (hydride technique) - Or SMEWW 3114B:2023: Arsenic and Selenium by hydride generation atomic absorption spectrometry - Or SMEWW 3120B:2023 - Metals by Inductively Coupled Plasma (ICP) |
|
6 |
Free chlorine, monochloramine |
- TCVN 6225-2:2021 (ISO 7939-2:2017) - Water quality - Determination of free chlorine and total chlorine - Or SMEWW4500 - C1 B, C, G:2023 - Chlorine (residual) by Iodometric method I, method II or DPD Colorimetric method - SMEWW 4500-C1 G:2023 - Chlorine (residual) by DPD colorimetric method |
|
7 |
Turbidity |
- TCVN 12402-1:2020 (ISO 7027-1:2016) - Water quality - Determination of turbidity - Part 1: Quantitative methods. - Or SMEWW 2130:2023 - Turbidity by Nephelometric method |
|
8 |
Color |
- TCVN 6185:2015 (ISO 7887:2011) - Water quality - Examination and determination of colour - Or SMEWW 2120B, C, D:2023 - Color by Visual comparison method or Spectrophotometric-single-wavelength method or Spectrophotometric-multi-wavelength method |
|
9 |
Odor |
- SMEWW 2150:2023 - Threshold odor test |
|
10 |
pH |
- TCVN 6492 - 2011 (ISO 10523-2008) - Water quality - Determination of pH - Or SMEWW 4500-H+-B:2023 - pH by Electrometric method |
|
11 |
Ammonia (NH3 and NH4+ by N) |
- TCVN 6179-1:1996 (ISO 7150-1:1984) - Water quality - Determination of ammonium - Part 1: Manual spectrometric method - Or TCVN 6660:2000 (ISO 14911:1988) - Water quality - Determination of dissolved Li+, Na+, NH4+, K+, Mn++, Ca++, Mg++, Sr++ and Ba++ using ion chromatography. For water and wastewater |
|
- Or TCVN 5988:1995 (ISO 5664:1984) - Water quality - Determination of aminonium - Distillation and titration method - SMEWW 4500-NH3:2023 - Nitrogen (ammonia) by Titrimetric method or Ammonia-selective electrode method or Phenate method - Or EPA 350.2 - Revision 1974 - Nitrogen, Ammonia (Colorimetric, Titrimetric, Potentiometric distillation procedure) |
||
|
12 |
Nickel, Copper, Zinc, Cadmium, Lead |
- TCVN 13090:2020 - Water quality - Determination of metals by flame atomic absorption spectrometry - Direct air-acetylene flame method - Or SMEWW 3111:2023 or SMEWW 3113:2023 Metals by Flame atomic absorption or Electrothermal atomic absorption spectrometry - SMEWW 3120B:2023 - Metals by Inductively coupled plasma (ICP/OES) |
|
13 |
Chromium |
- TCVN 6222 - 2008 (ISO 9174 -1998) - Water quality � Determination of chromium � Atomic absorption spectrometric methods |
|
14 |
Cadmium |
- TCVN 6197-2008 (ISO 5961-1994) - Water quality � Determination of cadmium � Atomic absorption spectrometric methods - Or TCVN 13091:2020 - Water quality � Determination of metals by electrothermal atomic absorption spectrometric method - Or SMEWW 3113:2023 - Metals by Electrothermal atomic absorption spectrometry |
|
15 |
Barium, Bor |
- TCVN 13092:2020 - Water quality � Determination of metals by inductively coupled plasma-mass spectrometry (ICP-MS) method |
|
16 |
Selenium |
- TCVN 6183-1996 (ISO 9964-1-1993) - Water quality - Determination of selenium - Atomic absorption spectrometric method (hydride technique) - Or SMEWW 3114:2023 - Arsenic and Selenium by Hydride generation atomic absorption spectrometry |
|
17 |
Manganese |
- TCVN 6002 - 1995 (ISO 6333 - 1986) - Water quality - Determination of manganese - Formaldoxime spectrometric method |
|
18 |
Permanganate |
- TCVN 6186:1996 (ISO 8467:1993 (E)) - Water quality - Determination of permanganate index |
|
19 |
Chloride |
- TCVN 6194 - 1996 (ISO 9297 - 1989) - Water quality - Determination of chloride - Silver nitrate titration with chromate indicator (Mohr\'s method) - Or SMEWW 4110B:2023 - Determination of anions by Ion chromatography with chemical suppression of eluent conductivity - Or SMEWW 4500-C1 D:2023 - Chlorine (residual) by Amperometric tiltration method |
|
20 |
Hardness, by CaCO3 |
- TCVN 6224:1996 - Water quality - Determination of the sum of calcium and magnesium - EDTA titrimetric method - Or SMEWW 2340:2023 - Hardness by calculation or EDTA titrimetric method |
|
21 |
Fluoride, Chloride, Nitrite, Nitrate, and Sulfate |
- TCVN 6494:2011 (ISO 13040-1:2007) - Water quality - Determination of dissolved anions by liquid chromatography of ions - Part 1: Determination of dissolved anions by liquid chromatography of ions - Or TCVN 6195:1996 (ISO 10359-1:1992) - Water quality - Determination of fluoride - Part 1: Electrochemical probe method for potable and lightly polluted water - Or TCVN 6494-1:2011 (ISO 10304-1:2007) Water quality - Determination of dissolved anions by liquid chromatography of ions - Part 1: Determination of bromide, chloride, fluoride, nitrate, nitrite, phosphate and sulfate - Or SMEWW 4110B:2023 - Determination of anions by Ion chromatography with chemical suppression of eluent conductivity |
|
22 |
Nitrate |
- TCVN 6180-1996 (ISO 7890-3:1988 (E)) Water quality - Determination of nitrate - Spectrometric method using sulfosalicylic acid - Or SMEWW 4500-NO3-:2023 - Nitrogen (nitrate) by Ultraviolet spectrophotometric screening method or Cadmium reduction method |
|
23 |
Nitrite |
- TCVN 6178 - 1996 (ISO 6777-1984) - Water quality - Determination of nitrite - Molecular absorption spectrometric method - Or TCVN 6494-1:2011 (ISO 10304-1:2007) Water quality - Determination of dissolved anions by liquid chromatography of ions - Part 1: Determination of bromide, chloride, fluoride, nitrate, nitrite, phosphate and sulfate |
|
24 |
Iron |
- TCVN 6177:1996 (ISO 6332:1988) - Water quality - Determination of iron- Spectrometric method - Or SMEWW 3500-Fe B:2023 - Iron by Phenanthroline method |
|
25 |
Sulfate |
- SMEWW 4500-SO42- E:2023 - Sulfate by Turbidimetric method - Or EPA 375.4 - Revision 1978 - Sulfate (Turbidimetric) |
|
26 |
Sulfide |
- TCVN 6637:2000 (ISO 10530:1992) - Water quality - Determination of dissolved sulfide - Photometric method using methylene blue - Or SMEWW 4500-S2-:2023 - Sulfide by Methylene blue method or Iodometric method or Ion selective electrode method |
|
27 |
Mercury |
- TCVN 7877:2008 (ISO 5666:1999) - Water quality - Determination of mercury - Or TCVN 7724:2007 (ISO 17852:2006) - Water quality - Determination of mercury - Method using atomic fluorescence spectrometry - Or SMEWW 3112B:2023 - Metals by Cold-vapor atomic absorption spectrometric method |
|
28 |
Arsenic, Chromium, Copper, Zinc, Nickel, Manganese, Iron, Mercury, Selenium, Lead, Cadmium, Zinc, Lead |
- US EPA 6020 - Revision 0, September 1994 - Water quality - Determination of concentration of Arsenic, Chromium, Copper, Zinc, Nickel, Manganese, Iron, Mercury, Selenium, Lead, Cadmium, etc. using Inductively coupled plasma - mass spectrometry (ICP/MS) - Or US EPA 200.8 - Determination of trace elements in waters and wastes by inductively coupled plasma - mass spectrometry (ICP/MS) |
|
29 |
Antimony, Aluminium, Arsenic, Bor, Barium, Cadmium, Chromium, Copper, Iron, Manganese, Sodium, Nickel, Lead, Selenium, Zinc, Mercury |
- TCVN 6665:2011 (ISO 11885:2007) - Water quality � Determination of selected elements: Aluminium, Arsenic, Bor, Barium, Cadmium, Chromium, Copper, Iron, Manganese, Sodium, Nickel, Lead, Selenium, Zinc, Mercury, etc. by inductively coupled plasma optical emission spectrometry (ICP-OES) - Or TCVN 13092:2020 - Water quality � Determination of metals by inductively coupled plasma-mass spectrometry (ICP-MS) method - Or SMEWW 3125B:2023 - Metals by Inductively coupled plasma-Mass spectrometry method (ICP/MS) |
|
30 |
Total dissolved solids (TDS) |
- SMEWW 2540C:2023 - Solids by Total dissolved solids dried at 180�C |
|
31 |
Cyanide |
- TCVN 6181:1996 (ISO 6703-1:1984) - Water quality - Determination of total cyanide - Or SMEWW 4500-CN- A, B, C, E:2023 - Total cyanide after distrillation or Cyanide by Colorimetric method |
|
32 |
Chloroalkanes (1,1,1-Trichloroethane, 1,2 - Dichloroethane, 1,2- Dichloroethene, Carbon tetrachloride, Dichloromethane, Tetrachloroethene, Trichloroethene, Vinyl chloride) |
- US EPA 5021A - Revision 2, July 2014 - Volatile organic compounds in various sample matrices using equilibrium headspace analysis - Or US EPA 524.3 - Version 1.0, June 2009 - Measurement of purgeable organic compounds in water by capillary column gas chromatography/mass spectrometry |
|
33 |
Acrylamide |
- US EPA 8032A - Revision 1, December 1996 - Acrylamide by gas chromatography |
|
34 |
Aromatic hydrocarbons, chlorobenzenes and epichlohydrin |
- US EPA 8260D-1 - Revision 4, February 2017 - Volatile organic compounds by gas chromatography/mass spectrometry (GC/MS) - Or US EPA 8270E - Revision 6, June 2018 - Semivolatile organic compounds by gas chromatography/mass spectrometry |
|
35 |
Hexachloro butadiene, 1,2 - Dibromo - 3 Chloropropane, 1,2 - Dichloropropane, 1,3 - Dichloropropene, Bromodichloromethane, Bromoform, Dibromochloromethane |
- US EPA 524.4 - Revision 1.0, May 2013 - Measurement of purgeable organic compounds in water by gas chromatography/mass spectrometry using nitrogen purge gas (GC/MS) |
|
36 |
2,4 - D; 2,4 DB, Dichloprop; 2,4,5-T |
- US EPA 515.4, Revision 1-0, April 2000 - Determination of chlorinated acids in drinking water by liquid-liquid microextraction, derivatization, and fast gas chromatography with electron capture detection |
|
37 |
Alachlor, Atrazine and chloro-s-triazine derivatives, Chlorpyrifos, Cyanazine, Methoxychlor, Molinate, Simazine, Trifuralin |
- US EPA 525.3 - Version 1.0, February 2012 - Determination of semivolatie organic chemicals (SVOCs) in drinking water by solid phase extraction and capillary column gas chromatography/mass spectrometry (GC/MS) - Or US EPA 551.1 - Revision 1.0, 1995 - Determination of chlorination disinfection byproducts, chlorinated solvents and halogenated pesticides/herbicides in drinking water by liquid-liquid extraction and gas chromatography with electron-capture detection |
|
38 |
Chlorotoluron, Isoproturon |
US EPA 532 - Revision 1.0, 2000 - Determination of phenylurea compounds in drinking water by solid phase extraction and high performance liquid chromatography with UV detection (Chlorotoluton and Isoproturon are members of the class of phenylureas which can be determined via EPA 532) |
|
39 |
Aldicarb, Carbofuran |
- US EPA 531.2 - Revision 1.0, September 2001 - Measurement of N-methylcarbamoyloximes and N-methylcarbamates in water by direct aqueous injection HPLC with post column derivatization |
|
40 |
2,4 -D, 2,4 DB, Dichloprop, MCPA, 2,4,5 -T, Mecoprop |
- US EPA 555 - Revision 1.0, August 1992 - Determination of chlorinated acids in water by high performance liquid chromatography with a photodiode array ultraviolet detector |
|
41 |
Pendimethalin, Alachlor, Atrazine, Metolachlor, Molinate, Simazine |
- US EPA 507 - Revision 2.1, 1995 - Determination of Nitrogen and Phosphorus containing pesticides in water by gas chromatography with a nitrogen�phosphorus detector - Or US EPA 525.3 - Version 1.0, February 2012 - Determination of semivolatie organic chemicals in drinking water by solid phase extraction and capillary column gas chromatography/mass spectrometry (GC/MS) |
|
42 |
Pendimethalin |
- US EPA 8091 - Revision 0, December 1996 - Nitroaromatics and cyclic ketones by gas chromatography |
|
43 |
Chlordane, DDT and derivatives, Methoxychlor, Atrazine, Simazine, Permethrin |
- US EPA 1699 - December 2007 - Pesticides in water, soil, sediment, biosolids and tissue by HRGC/HRMS - Or US EPA 525.3 - Version 1.0, February 2012 - Determination of semivolatie organic chemicals (SVOCs) in drinking water by solid phase extraction and capillary column gas chromatography/mass spectrometry (GC/MS) |
|
44 |
Hydroxyantrazine |
- US EPA 525.3 - Version 1.0, February 2012 - Determination of semivolatie organic chemicals (SVOCs) in drinking water by solid phase extraction and capillary column gas chromatography/mass spectrometry (GC/MS) (Hydroxyatrazine is a member of the atrazine class which can be determined by EPA 532.3 as atrazine) |
|
45 |
Propanil |
- US EPA 532 - Revision 1.0, 2000 - Determination of phenylurea compounds in drinking water by solid phase extraction and high performance liquid chromatography with UV detection (HPLC-UV) |
|
46 |
Carbofuran, Chlordane, Pentachlorophenol, 1,2- Dichlorobenzene, 1,4- Dichlorobenzene, Trichlorobenzene, Hexachloro butadiene, Methoxychlor, phenol, 2,4,6 Trichlorophenol |
- TCVN 6216:1996 (ISO 6439:1990) - Determination of total phenol by colorimetric test - Or US EPA 8270E - Revision 6, June 2018 - Semivolatile organic compounds by gas chromatography/mass spectrometry - Or US EPA 524.3 - Version 1, June 2009 - Measurement of purgeable organic compounds in water by capillary column gas chromatography/mass spectrometry. - Or US EPA 528.1 - Version 1,2000 - Determination of phenols in drinking water by solid phase extraction and capillary column gas chromatography/mass spectrometry - Or US EPA 5030C - Revision 3, May 2023 - Purge and trap method for analysis of VOCs in aquaous and water miscible liquid samples |
|
47 |
Bromine |
- SMEWW 4110D:2023 - Ion chromatographic determination of oxyhalides and bromide - Or US EPA 300.1 - Revision 1, 1999 - Determination of inorganice anions in drinking water by ion chromatography |
|
48 |
Acid monochloroacetic; acid dichloroacetic and acid trichloroacetic |
- SMEWW 6251:2023 - Disinfection byproducts by Micro liquid-liquid extraction gas chromatographic method. - Or US EPA 552.3 - Revision 1.0, July 2003 - Determination of haloacetic acids and dalapon in drinking water by liquid-liquid microextraction, derivatization, and gas chromatography with electron capture detection |
|
49 |
Dibromoaxetonitrile, Dicloroaxetonitrile, Tricloroaxetonitrile, Carbon tetrachloride, 1,2- Dibromo � 3 Cloropropan, Alachlor, Atrazine, Metolachlor, Simazine, Trifluralin, Methoxychlor |
- US EPA 551.1 - Revision 1.0, 1995 - Determination of chlorination disinfection byproducts, chlorinated solvents and halogenated pesticides/herbicides in drinking water by liquid-liquid extraction and gas chromatography with electron capture detection |
|
50 |
Formaldehyde |
- US EPA 556.1 - Revision 1.0, September 1999 - Determination of carbonyl compounds in drinking water by fast gas chromatography - Or SMEWW 6252:2023: Disinfection byproducts: aldehydes by PFBHA Liquid-liquid extraction gas chromatographic method - Or EPA 8315A - Revision 1, December 1996 - Determination of carbonyl compounds by high performance liquid chromatography (HPLC) |
|
51 |
Bromoform, Chloroform, Dibromochloromethane, Bromodichloromethane |
- US EPA 501.3 - 1996, Measurement of Trihalomethanes in drinking water with gas chromatography/mass spectrometry and selected ion monitoring (GC-MS-SIM) - US EPA 5021A - Revision 2, July 2014 - Volatile organic compounds in various sample matrices using equilibrium headspace analysis - Or US EPA 524.2 - Revision 4.1,1995- Measurement of purgeable organic compounds in water by capillary column gas chromatography/mass spectrometry - Or US EPA 551.1 - Revision 1.0, 1995 - Determination of chlorination disinfection byproducts, chlorinated solvents and halogenated pesticides/herbicides in drinking water by liquid-liquid extraction and gas chromatography with electron-capture detection |
|
|
Total activity α |
- TCVN 6053:2021 (ISO 9696:2017) - Gross alpha activity � Test method using thick source - Or TCVN 8879:2011 (ISO 10704:2009) - Measurement of gross alpha and gross beta activity in non-saline water - Thin source deposit method - Or ISO 10704:2019 - Water quality - Determination of alpha activity and beta activity - Thin source method - Or SMEWW 7110B:2023 - Gross alpha and gross beta radioactivity by Evaporation Method |
|
|
Total activity β |
- TCVN 6219:2021 (ISO 9697:2018) - Determination of total beta activity in non-saline water - Or TCVN 8879:2011 (ISO 10704:2009) - Measurement of gross alpha and gross beta activity in non-saline water - Thin source deposit method - Or ISO 10704:2019 - Water quality - Determination of alpha activity and beta activity - Thin source method - Or SMEWW 7110B:2023 - Gross alpha and gross beta radioactivity by Evaporation Method |
Methods with quantitative limit conforming to permissible limits, equivalent or higher accuracy (including precision and trueness) are accepted.
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