The CIRCULAR regulates the technical process of water environment monitoring (including bottom sediments and biota) _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ the MINISTER of NATURAL RESOURCES and the ENVIRONMENT pursuant to Decree No. 25/2008/ND-CP DATED April 3, 2008 of the Government functions, tasks, powers and organizational structure of the Ministry of natural resources and the environment , has been modified and supplemented in the Decree No. 19/2010/ND-CP of March 2010 and Decree No. 89/2010/ND-CP on August 16, 2010;
Pursuant to Decree 102/2008/ND-CP dated 15 September 2008 by the Government on the collection, management, exploitation and use of the data on resources and the environment;
Pursuant to decision No. 16/2007/QD-TTg dated October 1, 2007 by the Prime Minister approving the overall planning of observation networks and national environment by 2020;
Proposal of the General Director of the Environmental Bureau, Director of science and technology and Director of the legislation, the PROVISIONS: chapter I GENERAL PROVISIONS article 1. Scope this circular process of technical rules on environmental monitoring of sea water, including: determining the objective observation, monitoring program design and implement monitoring program.
Article 2. Application object 1. This circular applies to the following objects: a) The governing body of the State of the environment in the Central and local levels; the station, the Centre for environmental monitoring environmental monitoring network in the country and the network of local environmental monitoring;
b) the organization can function, the tasks of environmental monitoring activities, activity services environmental monitoring to deliver the report, figures for State administration of the environment in the Central and local levels;
2. This circular does not apply to operate environmental monitoring sea water by automatic equipment, constantly.
Article 3. The principle of applying the criteria, the method cited 1. The application of the standard, the method invoked must abide by the standards, monitoring and analysis methods are stipulated in chapter II of this circular;
2. in case of the standard methods of observation and analysis of the provisions of chapter II of this circular to modify, supplement or replace the standard applies, the new method.
Chapter II TECHNICAL PROCESS ENVIRONMENTAL MONITORING SEA WATER article 4. The objective observation of The basic objectives in the environmental monitoring sea water: 1. To evaluate the current state of the quality of sea water;
2. Determine the trend of sea water quality performance under space and time;
3. Timely detection and warning of sea water pollution cases, sea pollution incidents;
4. According to the other requirements of the management and protection of the national environment, regional, local.
Article 5. Monitoring program design program design must be after the authority or governing body monitoring program approved or approved in writing. The design of a monitoring program specific sea water environment are as follows: 1. The type of observation based on objective observation, when designing the monitoring program to determine the type of observation is environmental monitoring environmental monitoring or background effects.
2. Location and the location of the observation of The monitoring locations depends on the specific conditions of each monitoring location and based on the following requirements: a) is monitoring Points where there are favorable conditions for accumulation of pollutants monitoring required areas;
b) number of monitoring points depends on economic conditions and the growth of national, regional, local, but must ensure the representation of all the waters or specific to a valuable ecological areas;
c) environmental monitoring, observation of sea bottom sediments and marine organisms are arranged in combination with each other;
d) for offshore, observation point is where the influence from the economic and defense operations such as: exploration of oil and gas extraction, mining, sea transport and sea fishing. The monitoring points are usually designed according to sections with many measuring points.
3. monitoring parameters 3.1. For sea water environment based on the objectives of the monitoring program, types of water sources, the purpose of use, source of pollution or of receiving that observation of the following parameters: a) parameters as naval objects, including:-Wind: wind speed, wind direction;
-Waves: wave form or type, direction, altitude;
-Flow: velocity and direction;
-Transparency, water colors;
-Air temperature, humidity, atmospheric pressure;
-The status of the sea.
b) measurements, field analysis: temperature (to), the salt, the transparency, turbidity, total dissolved solids (TDS), total suspended solids (TSS), pH, dissolved oxygen concentration (DO), electrical conductivity (EC);
c) other parameters: the chemical oxygen demand (COD), biochemical oxygen demand (BOD5), phosphate (PO43-), fluoride (F-), sulfide (S2-), silicon dioxide, ammonium (NH4 +), nitrite (NO2-), nitrate (NO3-), the total N (T-N), (P T – P), oil, fat, chlorophyll (chlorophyll-a and chlorophyll-b, chlorophyll-c), plant protection chemicals, iron (Fe), copper (Cu), lead (Pb), zinc (Zn), cacdimi (Cd) , manganese (Mn), mercury (Hg), arsenic (As), cyanides (CN-), phenol, total coliform, fecal coliform, floating plant, animal, animals in the bottom;
c) for off-shore waters, the following parameters are not monitoring: plant protection chemicals, total coliform, fecal coliform, COD, BOD5, bottom sediments and benthos.
3.2. for bottom sediment (the only regulations for coastal region) a) the natural parameters of the environment-mechanical components of sediment: mechanical components are defined by the particle level part 2: > 0.063 mm and