HJ 582-2010Technical guideline for environmental impact assessment. Constructional project of pesticide (English PDF)

4.1 General provisions

The environmental assessment of pesticide construction projects implements the current national and local environmental protection standards in principle, and this standard addresses the environmental impact of pesticide construction projects.

If the evaluation request proposes new requirements, the work shall be carried out in accordance with the requirements of this standard.

4.2 Environmental Impact Identification

4.2.1 In the construction time of pesticide projects, the identification of influencing factors includes the construction period (construction period), operation period (production and operation), and service.

After the expiration of the business period (the production company will continue to have an impact after the end of its useful life).

4.2.2 Pesticide construction project impact object identification includes natural environment, ecological environment and social environment elements; element identification should include environmental space Gas, surface water, groundwater, soil, land and aquatic organisms, fishery resources, agricultural production, major protected areas, etc.

4.2.3 On the basis of investigating regional environmental characteristics and analyzing characteristic pollutants of pesticide construction projects, it should focus on high toxicity and environmental impact.

The characteristic pollutants are identified for environmental impact, and attention is paid to the long-term cumulative impact of pesticide construction projects on the environment.

4.2.4 Environmental impact identification and its expression can be based on list, matrix and other methods. The matrix identification table is shown in Appendix A and can be built according to pesticides.

Set the project characteristics and regional environmental characteristics to adjust the content in the identification table.

4.3 Determination of evaluation factors

4.3.1 According to the characteristics of the project, identify the pollution factors of the pesticide construction project; combined with the regional environmental characteristics, determine the evaluation factors according to the environmental factors.

4.3.2 Any one of the following basic principles shall be used as an evaluation factor.

a) Limit emissions in national or local regulations and standards;

b) control of total national or local pollutant emissions;

c) having persistence, refractory and toxic characteristics;

d) having "three-way" toxicological properties;

e) having a characteristic of a bad odor;

f) Project environmental impact characteristic pollutants.

4.3.3 Refer to Appendix B for evaluation factor selection.

4.4 Determination of evaluation criteria

4.4.1 The environmental quality assessment standard shall be based on the requirements of the environmental function zoning of the area where the pesticide construction project is located.

Or local environmental quality standards.

4.4.2 Pollutant discharge standards should implement national or local pollutant discharge standards.

4.4.3 For evaluation factors without national and local standards, they can be implemented in accordance with foreign and international standards.

4.4.4 If the evaluation factor has no reference value, it can be estimated according to the multi-medium environmental target value (MEG) according to the toxicological index (see Appendix C).

Calculate and propose environmental management recommended control limits.

4.4.5 The evaluation criteria shall be confirmed by the relevant environmental protection authority.

6.1 Survey focus

a) According to the environmental characteristics and engineering characteristics of the location of the pesticide construction project, focus on the investigation of the same pollutants discharged from the pesticide construction project Source of pollution

b) In addition to investigating existing sources of pollution, projects under construction and proposed projects should also be investigated.

6.2 Survey content

a) The list shows the distribution of pollution sources in the assessment area (with the orientation and distance of the pesticide construction project), the main pollution factors and source strength, Focus on the investigation and evaluation of pollution sources in the area that discharge the same pollutants with pesticide construction projects;

b) Investigate the construction and operation of public works and environmental protection facilities supported by pesticide construction projects.

6.3 Analysis of pollution sources

According to the statistics of the equivalent pollution load and the equivalent pollution load, the main pollutants in the region and their main pollution sources are identified.

7.1 Survey and evaluation of current environmental air quality

a) Current monitoring point setting principle. The number and location of the distribution points should be determined according to the requirements of different evaluation levels of HJ 2.2.

The current monitoring point of the project should cover the main atmospheric sensitive areas within the evaluation scope; the preparation or sub-assembly construction project can only be near the factory boundary.

Monitoring points are set at sensitive points of the distance; unorganized emission monitoring points should also be set for the expansion and expansion projects.

b) For the renovation and expansion projects, taking into account the characteristics of intermittent discharge of production facilities, the monitoring period should be arranged according to the production cycle.

The monitoring period of the 1-hour average concentration shall include the period of maximum emission intensity during the production cycle, and the corresponding production load and Emissions status.

c) The current status evaluation should be based on the 1-hour average concentration.

7.2 Survey and evaluation of surface water quality status

a) Pesticide construction projects that discharge wastewater directly or indirectly into surface water bodies shall be monitored and evaluated on the status quo of surface water environmental quality.

b) Give a detailed diagram of the water system from the receiving water body to the upper water level, mark the location of the sewage outlet, the first drinking water downstream of the sewage outlet and the irrigation the location of the nozzle is marked with the national control, provincial control and city control monitoring sections. The monitoring section shall include a control section, a control section and a mixed section;

Monitoring sections shall be set up in the areas of key protected waters, drinking water source protection areas, and aquaculture areas.

c) Monitoring factors include conventional pollutants and characteristic pollutants. Conventional pollutants should contain the total salt content; characteristic pollutants should be based on the evaluation factor the sub-identification result is determined.

d) When the monitoring factor exceeds the standard, close to the standard limit, or the characteristic pollutant is detected, the cause should be analyzed.

7.3 Investigation and evaluation of soil status

7.3.1 New Project

a) Data collection. Collect soil basic information such as soil map, soil and soil parent material in the site area, and industrial and agricultural production row Information on the application of sewage, irrigation and chemical fertilizers.

b) According to the principle of uniform plane distribution and vertical stratification, in principle, no less than 3 soil column sampling points are arranged in the plant boundary (leading wind) to the upper and lower boundaries of the plant, the main production plant area), each column sample has a sampling depth of 100 cm, and three soil samples are taken. surface layer Sample (0-20 cm), middle layer (20-60 cm), deep layer (60-100 cm); and should be based on different soil types in the plant area the difference, thickness and the size of the pesticide construction project should be adjusted to the appropriate sampling points; it should be implemented in accordance with HJ/T 166.

c) In addition to the conventional items, the monitoring factors should include characteristic pollution in the soil that is cumulative, harmful to the environment, and highly toxic.

Dyed matter.

d) The national soil environmental quality standards and the regional soil background values are used to evaluate the analysis results separately; generally, the single pollution index and pollution are used.

The cumulative index of dyeing was dominant, the pollution exceeded the standard multiple, and the pollution sample exceeded the standard rate. The evaluation results should be the plant area partition seepage and flat cloth Provide adjustment basis.

7.3.2 Reconstruction and expansion project

a) Data collection In addition to the information listed in 7.3.1 a), previous site survey reports, site history, site layout, and Information on hazardous waste storage, underground pipeline systems, pollution incident reports, etc.; analysis identifies potential sources of pollution and contaminated areas.

b) Existing site monitoring points should be selected in areas where contamination may exist; mainly considering chemical storage and leaky areas, underground storage tanks Areas, underground pipelines (sewage pipe network), and areas that dominate the downwind direction and the largest landing zone.

c) It is advisable to screen monitoring factors according to the chemicals involved in the operation of the plant, mainly including heavy metals, inorganic compounds, pesticides, Comprehensive analysis of volatile organic compounds and semi-volatile organic compounds.

d) For pollutants without national or local standards, reference may be made to internationally relevant standards. The evaluation results should be whether there is a need to develop and implement the basis for the remedy provided should be provided.

7.3.3 Relocation project original site

a) The data collection is the same as that listed in 7.3.2 a).

b) Collect soil samples in the original site area, focusing on areas where there may be pollution; soil column sampling points are not less than 5 points (dominant wind down to the factory boundary, main production equipment area, tank area, hazardous waste storage area, material transportation and sewage pipeline Wait).

c) It is advisable to screen monitoring factors according to the chemicals involved in the operation of the site, mainly including heavy metals, inorganic compounds, pesticides, Comprehensive analysis of volatile organic compounds and semi-volatile organic compounds. At the same time, according to the history of the plant the chemicals used in the screening are appropriately screened for monitoring factors.

d) The evaluation results should be based on the future use of the site to provide a basis for the development and implementation of the corresponding repair plan.

7.4 Survey and evaluation of groundwater status

7.4.1 New Project

a) Collect relevant hydrogeological data or conduct on-site soil drilling and monitoring well installation to determine the geological conditions of the plant (eg geological type and Stratigraphic thickness, etc., hydrogeological conditions (groundwater hydraulic gradient, aquifer boundary, groundwater depth, groundwater flow, etc.), Focus on surveying aquifers.

b) According to the flow direction of the regional diving groundwater, at least three monitoring wells shall be laid. In principle, the groundwater of the plant will flow to the upstream boundary of the plant.

Two of the factory boundaries, paying due attention to the near-distance sensitive points outside the factory boundary and incorporating them into the daily monitoring plan.

c) Determination of groundwater level, physical and chemical parameters (such as pH, conductivity and temperature, etc.), monitoring factors in addition to conventional factors, try to the soil monitoring factors are corresponding; in principle, the monitoring of dry and abundance should be carried out; and the corresponding criteria are used for evaluation and analysis.

7.4.2 Reconstruction and expansion project

a) Monitoring site layout should include storage sites and off-site of solid waste such as plant area, production facilities, pipelines and sewage drains, hazardous wastes, etc.

In the vicinity; the monitoring system needs to include the corresponding monitoring well and be installed in the appropriate location and depth; at the same time, it should be in the underground the relative relationship between the water flow direction and its location of pollution is appropriately arranged to observe the impact of soil pollution on groundwater.

One point is placed on the suspected contaminated land and one background point is placed upstream.

b) Screening of monitoring factors in accordance with the extent to which pollutants emitted by existing plants affect the environmental composition.

c) During the operation period, a monitoring plan shall be developed to implement periodic monitoring.

d) Status of diving pollution The groundwater environmental quality standard is used to evaluate the monitoring results. For non-standard factors, according to HJ/T 164 the relevant regulations are evaluated. For sites where groundwater has been contaminated, appropriate remedial measures must be developed and implemented.

7.4.3 Original site of the relocation project

a) The monitoring point layout shall include the factory area and the area outside the factory; in addition, according to the historical operation status of the site, it may be determined that there may be pollution Monitoring points are placed in the dyed area.

b) Screen the monitoring factors according to the degree of influence of the pollutants emitted by the original devices on the environmental composition.

c) Current status of submersible pollution The groundwater environmental quality standard is used to evaluate the monitoring results. For non-standard factors, according to HJ/T 164 the relevant regulations are evaluated. For groundwater that has been contaminated, the nature and sensitivity of groundwater use should be determined and the corresponding implementation Repair plan.

7.5 Investigation and evaluation of ecological status

a) Survey and assessment of the status of terrestrial ecology and aquatic ecological quality in the area.

b) Aquatic ecological surveys should be carried out, and aquatic ecological surveys include species of fish, phytoplankton, zooplankton and benthic animals in the assessment area Class and quantity, monitoring sediment deposits.

8.1 Engineering Analysis Highlights

8.1.1 Implement sustainable development strategies such as industrial technology policies and energy policies, reflecting clean production, energy conservation and emission reduction, compliance with standards, the environmental protection requirements of "taking the new belt" and controlling the total amount of pollutants discharged.

8.1.2 The data should be authentic and accurate. When using analogy or citation data and data, the comparability and time should be fully analyzed.

Effectiveness.

8.1.3 Engineering analysis should not only involve the whole process of production and all factors, but also highlight the key points of analysis and reflect the engineering environment of pesticide construction projects.

Ringing features.

8.2 Basic requirements for engineering analysis

a) Engineering analysis should include engineering overview, process principle and process, pollution source analysis, environmental protection measures, total discharge, and general layout Case and other content.

b) For batch batch production, the material balance and the source of the pollution shall be verified according to the actual amount of the batch, and the amount of discharge per unit time shall be determined.

Time and discharge mode, in which the exhaust gas gives the maximum amount of sewage per unit time.

c) It is advisable to synthesize each intermediate and pesticide separately for material balance accounting; according to the pollution-producing node, the pollution source is strong, and the same pollution-producing section the high concentration and low concentration wastewater produced by the point are counted separately.

d) The technical renovation and expansion project shall explain the changes in the engineering content, product plan and total discharge before and after the technical transformation. Set up the enterprise has been built, under construction the review of the project is a topic...