Circular 17/2011/tt-Btnmt: Regulations On The Technical Process Mapping Environment (Air, Surface Water, Sea Water)

Original Language Title: Thông tư 17/2011/TT-BTNMT: Quy định về quy trình kỹ thuật thành lập bản đồ môi trường (không khí, nước mặt lục địa, nước biển)

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Pursuant to the law on environmental protection on November 29, 2005;

Pursuant to Decree No. 80/2006/ND-CP dated 9 August 2006 from the Government detailing and guiding the implementation of some articles of the law on environmental protection;

Pursuant to Decree No. 21/2008/ND-CP of March 2008 of the Government about amending and supplementing a number of articles of Decree No. 80/2006/ND-CP dated 9 August 2006 from the Government about detailing and guiding the implementation of some articles of the law on environmental protection;

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;

At the suggestion of the General Director of the Environmental Bureau, Director of science and technology, Director of legislation, REGULATIONS: Chapter 1 GENERAL PROVISIONS article 1. Scope and objects 1. Scope of processes established regulatory environment map the steps required technology and basic technical requirements for the establishment of a map in the different thematic areas of environmental research, production and management within the Ministry of natural resources and environment management. The process is the legal basis to management, appraisal and approval of projects, the technical-economic justification, build technical-economic norms established a map of the environment.

2. The object of applying the technical process to apply with the State Management Agency at Central, local and individual organizations have participated in building activity, established the environment map.

Article 2. Explanation of terms In this circular, the terms below are interpreted as follows: 1. Environment map: is a kind of thematic maps. On the map showing one or more content information about the current state of the environment, polluting the environment, the source predicted environmental trends, assess the impact of environmental pollution, ... or expressing the whole sum of the above mentioned contents have influence, impact, production, life of the existence , development of man and nature.

2. A map of the environment air, surface water, sea water: is a map of the environment one or more of the content information about the current state of the environment, environmental pollution-causing sources, forecasting the trend of environmental quality assessment, effects of environmental pollution, ... or the entire sum of information on the composition of the air environment , surface water, sea water has influence, impact, production life, existence, development of human and nature based on the comparison and analysis of monitoring data for years, or at a certain time, with standard values and limits the basic parameters are specified in the national technical regulation and standards environment Vietnam about the environment.

3. Map the network of observation points: is a kind of map of the environment. On the map showing the network of observation points about the location, the name (or number) of the point of observation, monitoring frequencies, monitoring parameters.

4. Map current status: is the map showing the State of the environment in one or more of the parameters characterizing the environment air, surface water, sea water at a certain time. On the map need to denote the quality of the environment by the environmental components, the level of pollution, the border region of pollution, pollution parameters, concentration/pollution scale, spread levels, ...

5. Map reviews: is the map showing the extent of the influence or the effects of one or more parameters specific to the environment air, surface water, sea water to natural conditions, socio-economic or human activities.

6. Map projections: is the map showing evolution of one or more parameters specific to the environment air, surface water, sea water occurs at some point in the future. On the map should denote the boundary area at risk of pollution (or will be improved) according to the composition of the environment, pollution parameters.

7. Planning map: is the map showing the information of one or more parameters specific to the environment air, surface water, sea water, about the area, places will be improved or protected the environment in the future.

8. General: map is the map showing one or more of the content of the map type above. On the map can denote combined monitoring network/status quo/environmental impact assessment/prediction of environmental pollution levels to map source to pollute the environment, ... of one or more parameters specific to the environment air, surface water, sea water in order to get a more general picture of the environment.

Article 3. Scope the scope of environment mapping established a map of the environment is determined based on the purpose of use as divisions or by the province, district, town or municipality, or according to the needs of research, such as the management of industrial zones, residential areas, conservation zones.

Article 4. Map background in mapping the environment map background (data is used as the geographical background) in the mapping of the environment must be established from the type of terrain, or cadastral map digital photos, ... is formed according to the standard of the industry by the Ministry of natural resources and the environment issued and must be the authority. The data rate is used as the geographical background not less than 1.5 times the rate of too a map is needed.

Article 5. Technical design, estimation before forming a map of the environment to build technical design-estimate as provided by the Ministry of natural resources and the environment. This document is used as the legal basis for implementation and inspection of products and payment works.

Article 6. Technical inspection, inspection techniques, trials of products made according to the regulations of the Ministry of natural resources and the environment.

Article 7. The form of product product map environment built and published in the form of: 1. A map printed on paper.

2. electronic maps (digital map) on CD-ROM.

3. electronic maps (digital map) on the network.

Chapter 2 the MATHEMATICAL BASIS and the ACCURACY of a MAP of the ENVIRONMENT article 8. The mathematical basis of maps of the environment 1. Map large rate environment and the average rate was established in the reference and national coordinate system with the characteristics: VN2000 projection UTM Grid international, WGS84 Ellipsoid; time zone distortion coefficient k0, 3o = 0.9999 for the rate of less than 1:10,000 and larger; time zone 60, k0 = 0.9996 distortion coefficient with respect to the rate of less than 1:10,000 to 1:500,000.

2. Longitude environment map of the large rate and the average rate is determined separately for each province, city as specified in circular No. 973/2001/TT-TCĐC on June 20, the main Location of General Department (now Ministry of natural resources and the environment) reference application guide and national coordinate system VN-2000. With regard to the need to establish a map between two provinces, the city of Meridian axis option.

3. Environment map in essential rate (from 1:1,000,000 and smaller) was established on the net vertical cone angle of latitude 11o standard copper and 21o, longitude 108o Lo axle, original 4o latitude.

4. The name of the map: map name consists of three elements: category map, thematic environment name and the name of the administrative unit (or region).

5. The rate of the environment map is determined based on the area's size, shape and scope of the established map, make sure when printing a map out of paper, the need to establish is located in size from 1 to 4 paper gauges the pond.

6. Map Frame grids, meridians, Parallels: a) a map of the environment in essential rate (from 1:1,000,000 and smaller) grid system, expressing the latitude. Trading grid, latitude on the map are represented by grids or meshes with your longitude, latitude of approximately 8 to 10 cm on a map of paper.

b) a map of the environment in small and average rate (from 1:25,000 to 1:500,000) expresses both grid systems, latitude grid kilometers and meters. Trading grid, latitude on the map is shown by the mesh with a density approximately from 8-10 cm; the grid cell size is 2 km x 2 cm on a map of paper;

c) map of the environment in the ratio of 1:10,000 and larger mesh expression kilometers meters with grid cell size kilometers meters is 5 x 5 cm on a map.

Article 9. The accuracy of a map of the environment 1. Geodetic control facility ensuring the establishment of the national environment map is the measuring point national basis including the point coordinates and State level from grades 3 and above, and was moved from topographical maps or cadastral map or digital photos at the same rate;

2. The geographical background content elements are guaranteed to be retained as the location on the map or terrain to be used as the main background;

3. The internal factors of environmental issues that the location could not be pinpointed, they must ensure the geographical correlations for background elements;

4. The internal factors of environmental issues that location can determine exactly was then allowed to be shown on the map in the wrong term equal to or greater than 2 times the wrong term when demonstrating content elements on a map or terrain to be used as the main background.

Chapter 3 CONTENTS of a MAP of the ENVIRONMENT article 10. The content element elements environment map content map environment consists of 3 groups: 1. Mathematical basis include: NET, coordinate system, the central meridian, the frame of the map and the elements outside the frame, notes and altitude coordinates, incidence map.

2. geographical background basis include: a) geodetic control;

b) topography;

c) Hydraulic heating system;

d) traffic;

e) residents;

f) technical infrastructure;

g) surface coatings;

h) boundaries;

I) borders, administrative boundary.

Detail the geographical background content elements in accordance with the provisions of the geographical information standards by the Ministry of natural resources and the environment. To ensure readability of the elements thematic content environment, geographical background factors are removed from 15 to 25% according to the principle of generalized map.

3. The thematic elements: the elements base thematic purposes, the requirements of the environment map is needed.

a) thematic content of atmospheric environment map


The parameters used to create the map of air environment determined according to the national technical regulation on the environment and the Vietnam environmental standards.

On the map allow denote content elements or a combination of the following factors:-the network of observation points the air: expressing the position of the point of observation of the atmosphere, monitoring parameters, frequency of observation, the time of observation, the Unit conducted field monitoring, the agency owner/manager ...-The socio-economic subjects that relate directly to the environmental issues of air: industry, key economic zones, large urban areas, important transport routes.

-The air pollution causing establishments: expressing the position of the point of polluting the air, kind of pollution, the scale, the degree, the total emissions of polluting sources and processing level.

-The level of air pollution: performed the clean region boundary (pollution), the Department of pollution, contaminants, pollution levels, the level of spread, scale.

-The level of noise pollution, thermal pollution, lead pollution, radioactive contamination: performed the boundary region of pollution, pollution sources, the level of pollution.

+ To map noise pollution performed weekly traffic on the road, the level of spread.

+ For thermal pollution map demonstrating arising of greenhouse gases, the risk of flooding due to sea-level rise due to rising temperatures.

-Acid rain acid: performed in the rain fall in the affected region, the location of the production facilities have emissions of Sulphur đioxie or the chemical concerned.

-The risk of air pollution: performed the boundaries of regions at risk of pollution, the kind of pollution, pollution levels and the probable time of the pollution.

-The level of influence of air pollution on health of the region near the source of pollution and the socio-economic activities.

b) thematic content of surface water environment map the continent served to establish a map of continental surface water environment determined according to the national technical regulation on the environment and the Vietnam environmental standards.

On the map allow denote content elements or a combination of the following factors:-the network of observation points: expressing the position of the point of observation, monitoring parameters, frequency of observation, the time of observation, the Unit conducted field monitoring, the agency owner/manager;

-The natural boundary of the river basin;

-Saline intrusion boundary;

-The socio-economic subjects that relate directly to the environmental issue of water: industrial zone, the key economic areas, villages, urban distribution areas near water sources; the points of discharge of effluents polluting the environment seriously, ...-represent the environmental sensitive areas, wetlands: + Region usually occurs the flood, flash floods, landslides due to flooding;

+ Saltwater wetlands;

* In estuaries: water estuaries; Sandy, muddy; yards have grass, sedge, Reed; Miami has mangroves, coconut water; salt marshes;

* In the lagoon, the lagoon: saltwater, brackish lagoons; outdoor saltwater, brackish water.

+ Freshwater wetlands: * In streams and rivers, canals, streams and rivers had canals: water regularly, the waterfall; River; streams and rivers, canals, intermittent; seasonal river flooding plain;

* In the ponds: the pond the lake water regularly; intermittent ponds; coastal lowlands seasonally flooded ponds;

* In the swamps: swamp regular fresh water; seasonal freshwater swamp; peat land; spray fresh water streams and wetlands in the basin in the mountains; swamps have trees bear attenuated (paperbark); swamp forest shrubs;

+ Artificial wetlands: * aquaculture Land: land for aquaculture in the coastal estuary, beach; aquaculture land in mangrove forests; land for aquaculture in rice field soil; aquaculture land on sand; pets in outdoor ponds, rivers, digging bucket, Penguin;

* Agricultural land: soils of rice to be watered; land for rice cultivation in the region awash with sunken;

* The salt Lands.

-Industrial land: mining area, digging; where the waste water;

-The system of dams and reservoirs, canals;

-The score, and the continental surface water environment pollution and the attributes of each object is contaminated, pollution levels. The parameters under the national technical regulation on the environment and the Vietnam environmental standards.

c) thematic content of sea water environment map service parameters for mapping sea environment determined according to the national technical regulation on the environment and the Vietnam environmental standards.

On the map allow denote content elements or a combination of the following factors:-the subjects are related to the environment such as sea water the plant industrial (industrial waste water sources), the port, the sea floor terrain elements (Beach, bottom, coral ...) the flow;

-Sediment bottom: expressing the concentrations of heavy metals and oil in coastal sediments such as copper (Cu), zinc (Zn), lead (Pb), cadmium (Cd), arsenic (As), mercury (Hg), ...: the unit ppm;

-The oil spill: directory of oil spills in the seas with the parameters such as time, oil spill, oil, oil had been collected, an area of streak oil. Boundaries and the location of the oil, the damage calculated into money;

-The economic base affecting coastal water environment: the tourist facilities hotels restaurants transportation, ports, fishing port, industrial zone, urban sea encroachment, garbage, waste oil discharges. The point of coastal mining, industrial-style seafood farming. The active tourism, mining, transport and construction materials gravel sand, peat extraction and aquaculture farming are the activities which cause pressure to the coastal water environment;

-The protection of nature and environment of the sea: + pollution levels and causes of pollution of the sea, the River region: reviews by 3 levels (at least, on average, more). Causes of water pollution of the sea represent under 4 groups (industrial waste, waste oil, gas exploitation activities, other causes);

+ Measures to exploit and protect the waters: denote the nature-protected areas, the forests (1-nature reserve; 2-culture, history, and 3-the National Park).

d) thematic content of the map type environments: the parameters serve to establish the environment map is determined based on the national technical regulation on the environment and the Vietnam environmental standards.

The content indicated on the map based on the thematic map needs. On the map allow denote content elements or a combination of the following factors:-the network of observation points;

-The socio-economic subjects that relate directly to the environmental problem: industry, key economic zones, the municipalities, the important transport routes;

-Polluting facilities: expressing the position of the points, the type of contamination, the scale, the degree, the capacity of emissions of polluting sources and level of processing;

-The degree of pollution: the seriousness of pollution, contaminants, pollution, concentration level, scale the spread;

-The risk of environmental pollution: performed the boundaries of regions at risk of pollution, the kind of pollution, pollution levels and the probable time of pollution;

-Level effects of pollution to the health of the region near the source of pollution and the socio-economic activities.

DD) on a map of environment indicates levels of environmental pollution into 4 levels. In particular:-level 1: environment pollution (parameters in the level of environmental quality standards);

-Level 2: contaminated environment (one or more pollutants exceed the environmental quality standards);

-Level 3: environmental pollution (concentrations of one or more chemicals, heavy metals that exceed the environmental quality standards from 3 times over or concentration of one or more of the other contaminants that exceed the environmental quality standards from 5 times over);

-Level 4: contaminated environment particularly severe (concentration of one or more chemicals, heavy metals that exceed the environmental quality standards from 5 times over or concentration of one or more of the other contaminants that exceed the environmental quality standards from 10 upwards).

Chapter 4 PROCESS TECHNOLOGY into CREATED a MAP of the ENVIRONMENT article 11. The method of establishing the environment map map of the environment established by the following methods: 1. The method used to map the geographic base platform combined with satellite images.

2. The method used to map the location base background Italy combined with measurements, observation.

3. The method of using the environment map larger proportions.

Article 12. Process technology of environment mapping technology in mapping the environment comprises the steps of: 1. the scientific editors.

2. Preparation work.

3. Collect data about environmental issues.

4. Synthesis, analysis, and data enrichment.

5. Map Editor.

6. the creation of metadata for the map.

7. Inspection and acceptance.

Article 13. Process technology into created a map of the environment according to the method used to map the geographic base platform combined with satellite images 1. Scientific Editor: a) define the region established a map;

b) define the topic, purpose of the map and name map;

c) determine the form of map products;

d) determines the size, proportions and layout for a map printed on paper. Determine the level of detail with regard to the electronic map;

e) determines the number of mapping data sources used for the background;

f) identifies a data source to use digital pictures to paint the elements in thematic environmental establishment;

g) identify the source and the time of the statistical data needed to use.

2. Preparation: a) background: mapping-data collection is a digital terrain map in the ratio equal to or greater than the rate of the map need established;

-Snowman transformed coordinates (if necessary);

-Data and Transplant the cut data according to the established range map.

b) test, evaluate the quality of the image;

c) Snowman photo according to the map background and created the original plural form serves images;


d) established the guidelines and technical regulations for the image interpretation for each thematic map.

3. Collect data on the environment: a) Created the template image interpretation for the object's content map;

b) images of internal career according to the technical guidance;

c) additional foreign industrial drawing Thing: investigation, for control and modify the drawing thing results in the field.

4. The work of synthesis, analysis, and data enrichment: a) the design of the database (DATABASE) and create DATABASE from the results DATABASE:-image interpretation must be designed according to the "DATABASE structure environmental geographic information System" was the total Department of environment issued. The specific content of the DATABASE must meet the purpose of the research and analysis required for data enrichment to create indirect indicators in the map editor, and served for another job in environmental management;

-DATABASE must be created from the results and image interpretation are subject to the design of the format, defined the topological type of the object, and the relationship between them, definition, type, field length attribute.

b) select models interpolation interpolation of values and the environmental parameters;

c) degrees of environmental parameters for research purposes and for the purpose shown on the map.

5. Map Editor: a) the editorial plan construction details, outlined the specific technical requirements include:-the content of the map, including the elements of the basis in mathematics, geographical background and thematic elements of each field of the environment;

-Editorial guidelines include: target express and ask about the full extent of the content elements, methods, regulations on classification of elements of content, style, color, size of the symbol;

-Base construction method and mathematical precision requirements;

-Create library symbol on your computer and set up the model author, model, template, template symbol table references in the software used for editing the original author;

-Technology into created electronic maps on CDs and on the Web.

b) made the original author editor form. The work consists of:-the editor background factors of geography: removed some elements from the data source to ensure computer science as of thematic map established;

-Editorial content elements according to environmental issues: the alignment thematic elements on the map in the background to ensure geographical correlation between environmental factors and background elements; denote the thematic elements by the notation system designed in the plan Editor.

c) for a map printed on paper: implementation of editing a map printed on paper (as requested on the form of the products specified in the design-techniques, estimation): editorial work print server map must comply with the General principles of thematic map editor to print on paper;

d) for electronic maps on CD-ROM and on the Web: perform the following work:-interface design;

-Identification and programming of interactive tools on the map;

-Programming Show map digital authors have editors and link the components map;

-Packaged CD-ROM or release map onto the Internet.

6. the creation of metadata for the map: according to the content of the decision in article 16, chapter V of this circular.

7. test, test and deliver the product: according to the provisions stated in articles 17, 18, 19 to chapter VI, VII of this circular.

Article 14. Process technology into created a map of the environment according to the method used to map the geographic base platform combined with measurements, observation of field 1. Scientific Editor: a) define the region established a map;

b) define the topic, purpose of the map and name map;

c) determine the form of map products;

d) determines the size, proportions and layout for a map printed on paper. Determine the level of detail with regard to the electronic map;

DD) defining the data source map used as background;

e) identify monitoring methods and equipment.

2. Preparation: a) background: mapping-data collection is a digital terrain map in the ratio equal to or greater than the rate of the map need established;

-Snowman transformed coordinates (if necessary);

-Data and Transplant the cut data according to the established range map;

-In background map on paper.

b) collect, gather monitoring data;

c) monitoring plan (if not available or insufficient monitoring data);

d) Establish technical guide observation in the field, laboratory analysis, data processing and reporting monitoring results;

DD) prepare the equipment, monitoring tools.

3. Collect data about environmental issues in the field: a) identify monitoring points on a map background;

b) monitoring implementation according to the current rules of the Ministry of natural resources and the environment for each thematic and sector according to technical guide observation established;

c) perform analysis the monitoring form.

4. The work of synthesis, analysis, and data enrichment geography: a), DATABASE design and DATABASE creation;

b) homogeneous processing data chains;

c select the calculate function) and calculate the relative value and the general criteria specific to each of the environmental parameters;

d) select models interpolation interpolation of values and the environmental parameters according to survey the space domain;

DD) ranks the environmental parameters.

5. Map Editor: according to the content of the provisions in clause 5, article 13, chapter IV of this circular.

6. the creation of metadata for the map: follow the content prescribed in clause 6, article 13, chapter IV of this circular.

7. test, test and deliver the product: according to the rules stated in the paragraph 7, article 13, chapter IV of this circular.

Article 15. Process technology of environment mapping method uses the map larger rate environment 1. Scientific Editor: a) define the region established a map;

b) define the topic, purpose of the map and name map;

c) determine the form of map products;

d) determines the size, proportions and layout for a map printed on paper. Determine the level of detail with regard to the electronic map;

DD) defining the data source map used as background;

e) determine the environmental map data source (paper or digital format) in a larger percentage of the map need to establish.

2. Preparation: a) background: mapping-data collection is a digital terrain map in the ratio equal to or greater than the rate of the map need established;

-Snowman, transfer the coordinates (if necessary);

-Data and Transplant the cut data according to the established range map.

3. Collect data about environmental issues in the field: a) collect the environment map in the relevant subject area covering Government established a map;

b) established the original synthetic maps:-for a map in the form of paper sources: environmental scan, snowman map environment map background;

-For map source environment in the form of: snowman (or coordinates) according to the map background and her husband up grade map background.

c) In Map root sum up paper and make essential, select retrieve, remove the elements of environmental content, build the original map.

4. The work of synthesis, analysis, and data enrichment geography: a) Scan, snowman, digitized Map root;

b), DATABASE design;

c) move data map of the DATABASE according to the structure were designed;

d) select models interpolation interpolation of values and the environmental parameters according to survey the space domain;

DD) ranks the environmental parameters.

5. Map Editor: according to the content of the provisions in clause 5, article 13, chapter IV of this circular.

6. the creation of metadata for the map: follow the content prescribed in clause 6, article 13, chapter IV of this circular.

7. test, test and deliver the product: according to the rules stated in the paragraph 7, article 13, chapter IV of this circular.

Chapter 5 CREATING METADATA of a MAP of the ENVIRONMENT article 16. Creation of the metadata of a map of the environment 1. Each a map must have a metadata file attached.

2. metadata file must include the following information: a) the Agency name, personally established a map;

b) time established;

c) mapping methods;

d) established range map;

DD) mathematical basis of maps: coordinates, grid projection, the central meridian, the rate map;

e) data source used to create the map;

f), DATABASE and software structure used to store the DATABASE, compilation and analysis of data;

g) model of data analysis;

h) software used for editing and printing (released) map;

I) technical problems arising in the process of mapping and process;

j) Agency, map.

3. metadata file saved as *.doc or *. txt.

Chapter 6 test, TEST of PRODUCTS article 17. Testing, product testing 1. Inspection, testing map environment follow the rules in circular No. 01/2007/TT-BTNMT on 12 February 2007 of the Ministry of natural resources and the environment of test guidelines, appraisal and company, product measurements and map. Apply as for thematic maps.

2. Basis to test the technical design-estimate established a map of the environment has been approved by the authority, the national technical regulation and standards in Vietnam the specialization relevant to the thematic of the map and the text as a base for environmental mapping.

3. check the contents: on the map, the environment must check the contents: a) the accuracy and adequacy of the mathematical basis of factors, geographical background factors, elements of engineering design expertise-estimation and the correctness of the geographic correlation between environmental thematic elements with the geographical background factors;

b) level of completeness and correctness of the information in the properties of the elements and thematic elements in the CSDL;

c) the correctness of the glossary;

d) uniformity, synchronization between the glossary statistics, tables and content inside the map;

DD) the correctness of the classification, classification of objects is the content element in the map on the map file;

e) the correctness of the content elements denote the map by notation system was designed;

f) the reasonableness of the presentation layout of your map.

4. The level of checking each content mentioned above in the construction units, in the agency project owner specified in annex 1 attached to this circular.

5. Paper maps are checked on a inkjet printer in combination with file checking a map on your computer. The error about line map content directly on a printer attached to the request for repair or request clarification of meaning.


6. The database, the map on CD-ROM and on the Internet to check on your computer. Map the Internet must check directly in the internet environment to test the path, the speed of the line.

7. The product map is considered standard to experience is the product does not leave the serious flaws and does not have many small errors, be competent professional bodies, the owner of the project through.

Chapter 7 FILING and STORAGE ALLOCATION MAP the ENVIRONMENT Article 18. Deliver the product 1. The product delivered is the product has been checked and has been collecting in the levels prescribed by the Ministry of natural resources and the environment.

2. environment map products be managed, exploited and used according to the provisions of Decree No. 102/2008/ND-CP dated 15 September 2008 by the Government on the collection, management, exploitation and use of the data on resources and environment and circular No. 7/2009/TT-BTNMT on July 10, 2009 by Ministry of natural resources and the environment detailing a the number of articles of Decree No. 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.

3. The form of the product and the quantity of the products delivered are specified in the technical design-estimate or actual requirements at the time of delivered products.

Article 19. Archive of product 1. The need to store products include: a) database used to create the map;

b) for a map printed on paper to save the original author and the digital library symbols;

c) for the map on CD-ROM and the map on the Internet must store the map author, digital image files, articles, other accompanying information and source code of the interface and packaging of the product;

d) metadata file map;

DD) test profile, product test.

2. The products delivered to the archives must be recorded on CD-ROM'S with at least 3. On the CD-ROM must be labelled clearly on the label, the following information: a) The establishment of a map;

b) environmental issues;

c) rate map;

d) bodies established;

DD) time established.

3. environment map products must be stored at least in 3 places: a) the Agency established a map;

b) Center for information technology in the Department of natural resources and the environment in the province, the city of centrally managing the region established a map;

c) information centre and archive environmental data in environment administration.

4. The CD-ROM must be preserved in technical terms as hosting the movies.

5. Every year, the CD-ROM must be checked again. In case of need for backup to disk and destroying the old disk. On the face of the disk should specify times and dates in the disk stars.

Chapter 8 the TERMS OF IMPLEMENTATION of article 20. Implementation 1. Ministers, heads of ministerial agencies, government agencies, the Chairman of people's Committee of the province, central cities, General Director of the Environmental Bureau, heads of subdivisions and organizations, the individual concerned is responsible for the implementation of this circular.

2. General Directorate of the environment is responsible for guiding, inspecting the implementation of this circular.

Article 21. Effective enforcement of this circular effect since January 1st, 2011.

In the process, if there are difficulties and obstacles, suggest that the agencies, organizations, individuals concerned timely reflection on the Ministry of natural resources and the environment (through the General Department of environment) to consider and resolve.