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Water Quality, Coastal Water Standards (TCVN 5943, 1995)

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WATER QUALITY:
COASTAL WATER QUALITY STANDARD
TCVN 5943-1995

1. Scope

1.1 This standard specifies parameter limits and allowable concentrations of pollutants in coastal water.

1.2 This standard is applied to evaluating the quality of a coastal water source.

2. Limitation Value

2.1 Parameter limits and allowable concentration of pollutants in coastal water are specified in the table 1.

2.2 Standard methods of analysis of parameters and concentrations of coastal water are specified in available current TCVNs.

Table 1
Parameter Limits and Allowable Concentrations of Pollutants in Coastal Water

Nº	Parameter and Substance	Unit	Limitation Values
Nº	Parameter and Substance	Unit	Bathing and Recreation Area	Aquatic Cultivation Area	Others
1	Temperature	ºC	30	--	--
2	Odor		unobjectionable	--	--
3	pH value		6,5 - 8,5	6,5 - 8,5	6,5 - 8,5
4	Disolved solid	mg/l	>or= 4	>or= 5	>or= 4
5	BOD₅ (20ºC)	mg/l	<20	<10	<20
6	Suspended solid	mg/l	25	50	200
7	Arsen	mg/l	0,05	0,01	0,05
8	Ammonia (as N)	mg/l	0,1	0,5	0,5
9	Cadmium	mg/l	0,005	0,005	0,01
10	Lead	mg/l	0,1	0,05	0,1
11	Chromium (VI)	mg/l	0,05	0,05	0,05
12	Chromium (III)	mg/l	0,1	0,1	0,2
13	Chloride	mg/l	--	0,01	--
14	Copper	mg/l	0,02	0,01	0,02
15	Fluoride	mg/l	1,5	1,5	1,5
16	Zinc	mg/l	0,1	0,01	0,1
17	Manganese	mg/l	0,1	0,1	0,1
18	Iron	mg/l	0,1	0,1	0,3
19	Mercury	mg/l	0,005	0,005	0,01
20	Sulfide	mg/l	0,01	0,005	0,01
21	Cyanide	mg/l	0,01	0,01	0,02
22	Phenol compounds	mg/l	0,001	0,001	0,002
23	Oil and fat film	mg/l	none	none	0,3
24	Oil and fat suspension	mg/l	2	1	5
25	Total pesticides	mg/l	0,05	0,01	0,05
26	Coliform	MPN/100 ml	1000	1000	1000

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Acknowledgement: Text courtesy of NEA Policy Division, MOSTE.

Disclaimer: APCEL has tried to ensure the accuracy, reliability and completeness of the information in this database; however, APCEL does not guarantee the accuracy, reliability or completeness of this information. If you encounter an error, please notify us by e-mail at lawapcel@nus.edu.sg.

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