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HJ 25.1-2014

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Detail Information of HJ 25.1-2014; HJ25.1-2014
Description (Translated English): Environmental Protection
Sector / Industry: Environmental Protection Industry Standard
Classification of Chinese Standard: Z04
Word Count Estimation: 15,139
Date of Issue: 2/19/2014
Date of Implementation: 7/1/2014
Older Standard (superseded by this standard): HJ/T 25-1999
Quoted Standard: GB 15618; GB/T 14848; HJ/T 164; HJ/T 166; HJ 25.2; HJ 25.3; HJ 25.4
Drafting Organization: Shenyang Institute of Environmental Sciences; Environmental Protection Research Institute of Light Industry; Ministry of Environmental Protection Standards Institute; Nanjing Institute of Environmental Sciences Department of Environmental Protection; Shan
Administrative Organization: Ministry of Environmental Protection
Regulation (derived from): Ministry of Environmental Protection Notice No. 14 of 2014
Issuing agency(ies): Ministry of Environmental Protection
Summary: This standard specifies the principles of environmental site investigation of soil and groundwater, content, procedures and technical requirements. This standard applies to environmental site investigation, provide the basic data and information for envir

HJ 25.1-2014
Technical guidelines for environmental site investigation
People's Republic of China national environmental protection standards
Replacing HJ/T 25-1999
Site Environmental Investigation Technical Guidelines
Posted on.2014-02-19
2014-07-01 implementation
Ministry of Environmental Protection released
Foreword II
1 scope of application .1
2 Normative references .1
3 Terms and definitions .1
4 Basic Principles and Working Procedures 1
5 Stage I Site Environment Survey .3
6 Phase II Site Environment Survey .5
7 Phase III Site Environment Survey .7
8 Report preparation .8
Appendix A (informative) survey report preparation outline .9
Appendix B (informative) common contaminated sites and contaminants 11
According to the "People's Republic of China Environmental Protection Law" to protect the ecological environment, safeguarding human health and strengthen the contaminated sites
Environmental supervision and management, standard site environmental survey, the development of this standard.
This standard and the following standards belong to the same series of environmental protection sites contaminated sites.
Site Technical Guidelines for Environmental Monitoring (HJ 25.2-2014);
Technical Guidelines for Risk Assessment of Contaminated Sites (HJ 25.3-2014);
Guidelines for Remediation of Contaminated Sites Soil (HJ 25.4-2014).
Since the implementation of the above standards, "Industrial Enterprises Soil Environmental Quality Risk Assessment Benchmark" (HJ/T 25-1999)
This standard specifies the principle, content, procedures and technical requirements for site environment investigation.
This standard is formulated by the Ministry of Environmental Protection Science and Technology Standards Division.
This standard is mainly drafted by. Light Industry Environmental Protection Institute, Ministry of Environmental Protection Institute of Environmental Standards, Environmental Protection
Nursing Department Nanjing Institute of Environmental Sciences, Shanghai Institute of Environmental Sciences, Shenyang Institute of Environmental Sciences.
This standard MEP approved on February 19,.2014.
This standard since July 1,.2014 implementation.
This standard is responsible for the interpretation of the Ministry of Environmental Protection.
Site Environmental Investigation Technical Guidelines
1 scope of application
This standard specifies the principles, contents, procedures and technical requirements for site soil and groundwater environmental investigations.
This standard applies to the site environment survey for environmental management of contaminated sites to provide basic data and information.
This standard does not apply to contain radioactive contamination of the site survey.
2 Normative references
This standard references the following documents in the terms. For undated references, the effective version applies
In this standard.
GB 15618 Soil Environmental Quality Standard
GB/T 14848 groundwater quality standards
HJ/T 164 Groundwater Environmental Monitoring Technical Specifications
HJ/T 166 Soil Environmental Monitoring Technical Specifications
HJ 25.2 Technical Guidelines for Site Environmental Monitoring
HJ 25.3 Technical Guidelines for Risk Assessment of Contaminated Sites
HJ 25.4 Guidelines for Soil Remediation in Contaminated Sites
3 Terms and definitions
The following terms and definitions apply to this standard.
3.1 site site
Soil, groundwater, surface water and the total amount of all structures, facilities and living things within a parcel
Potential contaminated site potential contaminated site
Refers to the production, operation, handling, storage of toxic and hazardous substances, piling up or handling of potentially hazardous wastes
And engaged in mine exploitation and other activities cause pollution, and pose a potential risk to human health or the environment.
3.3 site environmental survey environmental site investigation
The system of investigation methods to determine whether the venue is polluting and pollution levels and scope of the process.
3.4 sensitive target potential sensitive targets
Refers to the surrounding contaminated sites may be affected by pollutants in residential areas, schools, hospitals, drinking water source protection areas and important
Public places and so on.
4 basic principles and working procedures
4.1 The basic principle
4.1.1 Targeted principles
According to the characteristics of the site and the characteristics of potential pollutants, pollutant concentration and spatial distribution of the investigation for the site environment
Management provides basis.
4.1.2 Normative principle
Procedural and systematic way to standardize the site environment investigation process to ensure the scientific and objective investigation process
4.1.3 Principle of operability
Considering the survey methods, time and funding and other factors, combined with the current technological development and professional and technical level, the survey
The process is feasible.
4.2 working procedures
Site environmental survey can be divided into three phases, the investigation of the work process shown in Figure 1.
the first
Do you need a second phase of the investigation?
Formulate a preliminary sampling and analysis work plan
Site sampling
Data evaluation and analysis
Develop detailed sampling and analysis work plan
Site detailed sampling
Data evaluation and analysis
Preparation of Site Environmental Investigation Report
Site characteristics parameters survey Receptor exposure parameters survey
Data collection and analysis interview with field survey personnel
Do you need detailed sampling analysis?
Need risk assessment or repair
Figure 1 site environmental survey work content and procedures
Investigation started
The investigation ended
Result analysis
4.2.1 Stage I Site Environment Surveys
The first phase of the site environment survey is based on data collection, site reconnaissance and personnel interviews based pollution identification stage, the original
No on-site sampling analysis is conducted. If the first phase of the survey confirms that current and historical areas in and around the venue are not possible
Of the pollution sources, then that the site's environmental conditions are acceptable, the investigation activities can be completed.
4.2.2 Phase II site environment survey The second phase of the site environmental survey is based on sampling and analysis of the pollution confirmation phase, if the first phase of the site environment
Surveys indicate possible sources of pollution in or around the site, such as chemical plants, pesticide plants, smelters, gas stations,
Chemical storage tanks, solid waste disposal and other facilities or activities that may produce toxic and hazardous substances; and due to lack of information such as the original
Due to the inability to rule out the presence of sources of pollution both inside and outside the site, as a potential contaminated site for the second phase site environmental survey,
Determine the type of pollutants, concentration (degree) and spatial distribution. The second phase of the site environment survey can usually be divided into preliminary sampling analysis and detailed sampling analysis in two steps, each step
Including the preparation of work plans, on-site sampling, data evaluation and analysis of results and other steps. Preliminary sampling analysis and detailed sampling
Analysis can be implemented in batches according to the actual situation, and gradually reduce the uncertainty of the investigation. According to the results of preliminary sampling analysis, if the concentration of pollutants did not exceed the relevant national and local standards and clean
Control point concentration (inorganic with soil environment background), and confirmed by uncertainty analysis that no further investigation is needed
After the second phase of the site environmental survey can be concluded, or that there may be environmental risks, to be detailed
check. Pollutants not covered in the standard can be judged synthetically based on professional knowledge and experience. Detailed sampling analysis is in early
On the basis of step sampling analysis, further sampling and analysis are carried out to determine the extent and scope of site pollution.
4.2.3 Phase III site environment survey
If the need for risk assessment or pollution remediation, we must conduct the third phase of the site environment survey. The third stage venue
Environmental surveys are based on supplementary sampling and testing and are subject to the parameters required for risk assessment and soil and groundwater remediation. this
Phase of the investigation can be carried out separately, but also in the second phase of the investigation carried out simultaneously.
5 Phase I site environment survey
5.1 Data collection and analysis
5.1.1 data collection
It mainly includes information on site utilization changes, site environment information, site related records, relevant government documents and
Natural and social information in the area where the venue is located. Investigation should be carried out when there is a possibility of mutual contamination between the investigation site and the adjacent site
Relevant records and information of adjacent venues. Changes in Site Utilization Information includes. Aerial photos or defenses used to identify the development and activity of the site and its adjacent sites
Star images, land use and planning information on the site, and other historical sources that help to assess site contamination such as land registration
Information and so on. Changes in the venue during the use of changes in the venue of the building, facilities, processes and production changes in pollution
condition. Site environmental information includes. site soil and groundwater pollution records, venues stacks of hazardous waste records and venues
And nature reserves and water conservation areas such as the location of the relationship. site related records include. products, raw and auxiliary materials and intermediates list, plan layout, process flow chart, to
Lower Pipeline, Chemical Storage and Use List, Leakage Records, Waste Management Records, Above and Below Tank Inventory, Ring
Environmental monitoring data, environmental impact reports or tables, environmental auditing reports and geological survey reports. The environmental data that are stored and released by government agencies and authoritative organizations, such as the regional environmental protection plan, environmental quality
Announcement, filing and approval of enterprises in relevant government departments and planning of ecological and water source protection zones. The natural and social information of the area where the site is located includes. natural information including geographical location map, topography, landform, soil
Soil, hydrology, geology and meteorological data, etc .; social information including population density and distribution, sensitive target distribution, and land
The mode of use, the economic status and development planning of the locality, the relevant national and local policies, regulations and standards, and
Local endemic disease statistics and so on.
5.1.2 data analysis
Investigators should identify errors and unreasonable information in the data based on their professional knowledge and experience, such as the lack of data
Judgment site pollution status, should be described in the report.
5.2 site survey
5.2.1 Security Preparation
Before the site survey, according to the specific situation of the venue to master the corresponding knowledge of safety and health protection, and equipped with the necessary defense
Nursing supplies.
5.2.2 The scope of on-site survey
The main venue, and should include the area around the area, the scope of the surrounding area should be on-site investigators according to pollution
The distance that the dye may migrate to judge.
5.2.3 The main content of site survey
The main contents of site survey include. the current situation and history of the site, the status and history of adjacent sites, Zhou
The current status and history of the area, the geology of the area, the description of the hydrogeology and topography. Status and history of the site. Use, production, storage of substances that may cause soil and groundwater contamination, tris
Waste treatment and discharge, as well as leakage status, the abnormal trace of soil and groundwater pollution that may have left in past use of the site
Like, such as cans, trough leaks and temporary accumulation of waste traces of pollution. Status Quo and History of Adjacent Venues. Use Status and Pollution Sources of Adjacent Venues, and Past Usage
Abnormal signs of possible soil and groundwater contamination, such as tank and tank leaks, and temporary accumulation of contaminated traces of waste. Status and history of the surrounding area. For the types of land use in the surrounding area, present or past, such as residential,
Shops and factories should be observed and recorded as much as possible; the abandoned areas in the surrounding area and the wells in use such as water wells;
Sewage and drainage systems; Chemicals and waste storage and disposal facilities; Ditches, rivers and ponds on the ground; Surface water
Body, stormwater discharge and runoff, as well as roads and utilities. Description of geology, hydrogeology and topography. Geological, hydrogeological and topographical features of the site and its surrounding area
Observe, record and analyze to help determine whether the surrounding contaminants will migrate to the survey site and contaminate the site
Moved to groundwater and site.
5.2.4 The focus of site survey
Focus on reconnaissance should generally include. the use of toxic and hazardous substances, handling, storage, disposal; production process and design
Storages, tanks and pipelines; Stench, chemical and irritating odors, traces of pollution and corrosion; drains or drains, dirty
Pool or other surface water body, waste piled up, well and so on.
At the same time, we should observe and record whether there are any residential areas, schools, hospitals or drinking places that may be affected by pollutants in and around the venue
Water conservation areas and other public places, etc., and in the report clearly the location of the relationship with the venue.
5.2.5 Site survey method
Through the identification of abnormal odor, photography and photography, on-site notes, etc. preliminary determine the status of the site pollution.
During the survey, you can use on-site rapid determination of instruments.
5.3 Interview with staff
5.3.1 Interview content
Should include data collection and on-site reconnaissance involved in the questions, as well as information and supplementary information has been verified.
5.3.2 Interviewees
The interviewee should be. insider or local government officials, environment
Protect officials of administrative authorities, users of past and present venues, as well as venues or familiar sites
Third parties, such as staff in adjacent venues and nearby residents.
5.3.3 Interview method
Can take face-to-face exchanges, telephone exchanges, electronic or written questionnaires and other ways.
5.3.4 content arrangement
The interview should be sorted out, and according to the available information, the suspicious office and the imperfect office should be verified and supplemented
Charge, as an attachment to the investigation report.
5.4 Conclusion and Analysis
The conclusions of this phase of investigation should identify the potential sources of pollution in and around the site and conduct an uncertainty analysis.
Where possible sources of contamination should indicate possible types of pollution, status and sources of contamination and should propose stage II site rings
Habitat survey recommendations.
6 Phase II site environment survey
6.1 Preliminary Sampling and Analysis Work Plan
According to the first phase of the site environment survey to develop a preliminary sampling analysis of the work plan, including the verification of existing letters
Judgment of the possible distribution of pollutants, development of sampling plans, development of health and safety protection plans, development of sample analyzers
Case and to determine the quality assurance and quality control procedures and other tasks.
6.1.1 Verification of existing information
Verification of existing information, including important environmental information in Stage I site environment surveys, such as soil type and
Groundwater depth; access to possible distribution and migration of pollutants in soil, groundwater, surface water or the surrounding environment
Check for information on pollutant emissions and releases. The source of the above information should be verified to ensure its authenticity and suitability.
6.1.2 to determine the possible distribution of pollutants
According to the specific conditions of the site, the distribution of pollution sources inside and outside the site, the hydrogeological conditions and the transfer and transfer of pollutants
And other factors to determine the site of pollutants in the soil and groundwater possible distribution, to provide a basis for the development of sampling programs.
6.1.3 Develop a sampling plan
Sampling programs generally include. the sampling point layout, the number of samples, sample collection methods, on-site rapid detection side
France, sample collection, preservation, transport and storage requirements. Sampling point The horizontal direction of the layout with reference to Table 1, and should explain the reasons for the sampling point layout, specifically see HJ
Table 1, several common placement methods and conditions
Application method
Random distribution method for the uniform distribution of contaminated sites.
Professional judgment cloth point method for potential contaminated sites.
Zoning method for uneven distribution of pollution and access to pollution distribution sites.
System distribution method applies to all kinds of site conditions, especially the pollution distribution is not clear or a wide range of pollution distribution. Vertical sampling depth of soil sampling according to the location of sources, migration and formation structure and hydrological
Quality judgment and other settings. If the lack of information on the venue, it is difficult to reasonably determine the sampling depth, according to 0.5-2 meters at equal intervals
Set the sampling position. For groundwater, in general, a clean control point should be selected near the survey site. Groundwater sampling point layout
Groundwater flow should be considered, hydraulic gradient, aquifer permeability, depth and thickness of hydrogeological conditions and pollution sources and
Pollutant transfer and other factors; for the site or in the vicinity of the existing groundwater monitoring wells, if the groundwater
Environmental monitoring technical specifications, it can be used as groundwater sampling points or control points.
6.1.4 Develop a health and safety program
According to the relevant laws and regulations and the actual situation of the work site, to develop site survey staff's health and safety protection plan
6.1.5 Develop a sample analysis protocol
Test items should be based on the principle of conservation, according to the first phase of the investigation identified potential sources of pollution inside and outside the site and pollution
Material, taking into account the migration and transformation of pollutants to determine the sample test and analysis of the project; for uncertain items, optional
Take potential typical contaminated samples for screening analysis. General industrial venues can choose the test items are. heavy metals, volatile
Organic matter, semi-volatile organic compounds, cyanide and asbestos. Such as soil and groundwater significantly abnormal and routine testing items without
Act identification, biological toxicity test methods can be used to determine the screening.
6.1.6 Quality Assurance and Quality Control
On-site quality assurance and quality control measures should include. work procedures to prevent sample contamination, transport blank analysis,
Site repeated sample analysis, sampling equipment clean blank analysis, analysis of the impact of sampling media analysis, and sample protection
For example, refer to HJ 25.2. Laboratory analysis of quality assurance and quality
Specific requirements for control are found in HJ/T 164 and HJ/T 166.
6.2 detailed sampling analysis of the work plan
On the basis of the preliminary sampling and analysis, a detailed sampling and analysis work plan is formulated. Detailed sampling analysis work plan main package
Including. assessment of preliminary sampling and analysis of work plans and results, the development of sampling programs, as well as the development of sample analysis programs. detailed
The technical requirements for monitoring during the investigation are to be in accordance with HJ 25.2.
6.2.1 Evaluate the results of the preliminary sampling analysis
Analysis of the preliminary sampling site information obtained, including soil types, hydrogeological conditions, on-site and laboratory tests
Test data, etc .; initially determine the type, extent and spatial distribution of pollutants; assess the quality assurance and quality of the initial sampling analysis
6.2.2 Develop a sampling plan
According to the results of preliminary sampling and analysis, combined with the site zoning, to develop a sampling plan. System cloth method should be used to encrypt cloth
Set sampling points. For areas where the boundary of the pollution needs to be delimited, the sampling unit area is not more than 1,600 square meters (40 meters
× 40 meter grid). Vertical sampling depth and spacing are based on preliminary sampling results.
6.2.3 Develop a sample analysis protocol
Based on preliminary findings, develop a sample analysis protocol. The sample analysis program focuses on contaminants at the identified site
the Lord.
6.2.4 Other
Other details of the detailed sampling plan may be drawn up on the basis of a preliminary sampling plan and for preliminary sampling
Analyze the problems found in the process, and adjust the sampling plan and working procedure accordingly.
6.3 site sampling
6.3.1 Preparation before sampling
Materials and equipment that should be prepared for on-site sampling include. positioning equipment, on-site detection equipment, survey information recording equipment,
Well-logging materials for well monitoring, soil and groundwater sampling equipment, sample storage devices and safety equipment.
6.3.2 Positioning and detection
Sampling before the tape measure can be used, GPS satellite locator, theodolite and water level and other tools to determine the site of sampling
Specific location and ground elevation, and marked in the sampling layout. Can use metal detectors or ground penetrating radar and other equipment detection
Underground obstacles to ensure that the sampling location to avoid underground cables, pipes, ditches, troughs and other underground obstacles. Water level meter measurement
Groundwater level, the use of oil-water interface instrument to detect groundwater non-aqueous liquid.
6.3.3 on-site testing
Can be used portable organism rapid detector, rapid determination of heavy metals, biological toxicity test rapid screening site
Technical means for qualitative or quantitative analysis, the device can be used directly into the site continuous testing of vertical distribution of pollutants and pollutants
Situation, but also the soil gas field detection means and geophysical means to initially determine the site pollutants and their distribution, refers to
Guide sample collection and monitoring points layout. Field measurement of groundwater temperature, pH, conductivity, turbidity using portable equipment
And redox potential.
6.3.4 soil sample collection Soil samples are divided into surface soil and deep soil. Depth of deep soil sampling should take into account the possible release and migration of pollutants deep
Degrees (such as depth of underground pipelines and storage tanks), nature of contaminants, soil texture and porosity, groundwater level and backfill
factor. Can use the scene detection equipment to help determine the sampling depth. When collecting samples containing volatile contaminants, the sample should be minimized and the sample homogenized
deal with. Soil samples collected, should be based on physical and chemical properties of contaminants, etc., choose a suitable container for storage. Contains mercury or organic pollution
Soil samples of the contaminants should be stored and transported at temperatures below 4 ° C, as specified in HJ 25.2. Soil sampling should be on-site records, the main contents include. sample name and number, weather conditions, sampling
Room, Sampling Location, Sampling Depth, Sample Texture, Sample Color and Smell, Field Test Results, and Sampling Personnel
6.3.5 groundwater sample collection Groundwater sampling Generally, groundwater monitoring wells should be built. The construction process of monitoring wells is divided into design, drilling, filter pipe and pipe
Well tube selection and installation, filter selection and filling, and closed and fixed and so on. Monitoring wells can refer to the construction of HJ/T
164 in the relevant requirements. The equipment and materials used should be cleaned and decontaminated. After the construction is completed, the wells need to be washed in time. Monitoring well construction record and groundwater sampling record requirements refer to HJ/T 164. Sample storage, container and sample body
Refer to HJ/T 164 Annex A for product requirements.
6.3.6 Other precautions
When sampling in the field, the sampling equipment and the external environment should be avoided to pollute the sample, take the necessary measures to avoid the pollutants
Spread in the environment. The specific requirements of on-site sampling reference HJ 25.2.
6.3.7 Sample Tracking Management
A complete sample tracking and management program should be established, covering the process of sample preservation, transportation and handover
Record and responsibility attribution, to avoid the sample is wrongly placed, confused and save expired.
6.4 Data Evaluation and Analysis of Results
6.4.1 Laboratory testing and analysis
Commissioned a qualified laboratory for sample testing and analysis.
6.4.2 Data Evaluation
Organize the survey information and test results, assess the quality of the test data, analyze the validity and sufficiency of the data, and determine
Whether to need additional sample analysis.
6.4.3 Analysis of results
According to soil and groundwater test results for statistical analysis to determine the venue concerned about the type of pollutants, the concentration level and empty
Between the distribution.
7 Phase III site environment survey
7.1 main content
The main work includes the investigation of site characteristic parameters and receptor exposure parameters.
7.1.1 Survey site characteristics parameters
Site characterization parameters include. Physical and chemical properties of soil samples from different representative locations and soil layers or selected soil layers
According to, such as soil pH, bulk density, organic carbon content, moisture content and texture; site (location) climate, hydrology,
Geological characteristics of information and data, such as average annual surface wind speed and hydraulic conductivity coefficient. Based on risk assessment and site restoration
International needs, select the appropriate parameters for investigation.
Receptor exposure parameters include. site and the surrounding land use patterns, people and buildings and other related information.
7.2 Methods of investigation
Site characterization parameters and receptor exposure parameters can be investigated using data queries, field measurements and laboratory analysis and testing
7.3 Findings
The findings of this phase are for site risk assessment and pollution remediation.
8 report preparation
8.1 The first phase site environmental survey report preparation
8.1.1 Report content and format
The first phase of the investigation process and results were analyzed, summarized and evaluated. The content mainly includes the summary of site environment survey
Description, Site Description, Data Analysis, Site Survey, Personnel Interviews, Results and Analysis, Findings and Suggestions, Attachment
Wait. Please refer to Appendix A for the report format.
8.1.2 Conclusions and recommendations
The conclusions of the investigation should try to clarify the possible sources of pollution in and around the site. If possible sources of pollution should be said
Possible pollution types, pollution status and sources. Proposals should be made for the need for a second stage site environmental survey.
8.1.3 Uncertainty Analysis
The report should list the constraints encountered during the investigation and the lack of information, as well as the impact of the investigation and the results.
8.2 The second phase site environment survey report preparation
8.2.1 Report content and format
Analyze, summarize and evaluate the second phase of the investigation process and results. The content mainly includes work plan, on-site mining
Sample and laboratory analysis, data assessment and analysis of results, conclusions and recommendations, annex. The format of the report can refer to Appendix A.
8.2.2 Conclusion and recommendations
Conclusions and recommendations should be put on the site concerned about the list of pollutants and pollutants distribution characteristics.
8.2.3 Uncertainty Analysis
The report should indicate the deviations of the work content of the site environmental survey and plan for the second phase as well as the impact of the restriction on the conclusion
8.3 The third phase site environmental survey report preparation
According to HJ 25.3 and HJ 25.4 requirements, provide relevant content and test data.
Appendix A.
Survey report preparation outline
A.1 Report on the preparation of the first phase of site environment survey
1 Introduction
2 Overview
2.1 The purpose and principle of the investigation
2.2 Survey Range
2.3 investigation basis
2.4 investigation methods
3 site overview
3.1 Regional Environment Overview
3.2 sensitive target
3.3 site status and history
3.4 Status and history of adjacent venues
3.5 Site utilization planning
4 data analysis
4.1 Government and authority information collection and analysis
4.2 site data collection and analysis
4.3 Other Information Collection and Analysis
5 site survey and personnel interviews
5.1 toxic and hazardous substances storage, use and disposal of the situation analysis
5.2 Various types of tank material and leakage assessment
5.3 Evaluation of treatment of solid wastes and hazardous wastes
5.4 pipeline, ditch leak assessment
5.5 Environmental Factors Related to Pollutant Migration
5.6 Other
6 Results and analysis
7 conclusions and recommendations
8 Attachments (Location Map, Floor Plan, Peripherals, Photos and Regulatory Documents)
A.2 Site Environmental Investigation Stage II Report Preparation Outline
1 Introduction
2 Overview
2.1 The purpose and principle of the investigation
2.2 Survey Range
2.3 investigation basis
2.4 investigation methods
3 site overview
3.1 regional environmental conditions
3.2 sensitive target
3.3 site use status and history
3.4 The use of adjacent venues status and history
3.5 The first phase of the site environment survey concluded
4 work plan
4.1 Additional information analysis
4.2 Sampling program
4.3 Analysis of test programs
5 site sampling and laboratory analysis
5.1 on-site detection methods and procedures
5.2 Sampling methods and procedures
5.3 Laboratory Analysis
5.4 Quality Assurance and Quality Control
6 Results and Evaluation
6.1 Site geological and hydrogeological conditions
6.2 Analysis of test results
6.3 Results Analysis and Evaluation
7 conclusions and recommendations
8 Annexes (Field Record Photographs, Field Probing Records, Monitoring Well Construction Records, Laboratory Reports, Quality Control
Results and sample tracking regulatory records, etc.)
Appendix B
Common types and characteristics of the site contaminants
See Table B.1 for common types and characteristics of contaminants. The actual investigation process should be based on specific circumstances.
Table B.1 common site types and characteristics of contaminants
Industry Classification Site Types Potential Characteristics Contaminant Type
Chemical raw materials and chemicals manufacturing volatile organic compounds, semi-volatile organic compounds, heavy metals, persistent organic pollutants
Objects, pesticides
Electrical machinery and equipment manufacturing heavy metals, organic chlorine solvents, persistent organic pollutants
Textile heavy metals, chlorinated organic matter
Paper and paper products heavy metals, chlorinated organic matter
Metal products industry heavy metals, chlorinated organic matter
Metal smelting and processing of heavy metals
Machinery manufacturing heavy metals, petroleum hydrocarbons
Semi-volatile organic compounds of plastics and rubber products, volatile organic compounds, heavy metals
Petroleum Processing Volatile Organic Compounds, Semi-volatile Organic Compounds, Heavy Metals, Petroleum Hydrocarbons
Coking plant volatile organic compounds, semi-volatile organic compounds, heavy metals, cyanide
Transport equipment manufacturing heavy metals, petroleum hydrocarbons, persistent organic pollutants
Leather, fur manufacturing heavy metals, volatile organic compounds
Waste Resources and Waste Materials Recycling POPs, Semivolatiles, Heavy Metals, Pesticides
Coal mining and washing industry heavy metals
Ferrous and non-ferrous metal mining industry Heavy metals, cyanide
Non-metallic mineral mining industry heavy metals, cyanide, asbestos mining industry
Petroleum and natural gas extraction Petroleum hydrocarbons, volatile organic compounds, semi-volatile organic compounds
Thermal power generation of heavy metals, persistent organic pollutants
Electricity supplies persistent organic pollutants
Electric gas
And water students
Production and supply of gas Production and supply of semi-volatile organic compounds, semi-volatile organic compounds, heavy metals
Water pollution control persistent organic pollutants, semi-volatile organic compounds, heavy metals, pesticides
Hazardous waste management POPs, semi-volatile organic compounds, heavy metals, volatile organic compounds
Water conservancy, ring
Habitat and public
Facilities management
Other environmental governance (industrial solid waste, life
Garbage disposal
POPs, semi-volatile organic compounds, heavy metals, volatile organic compounds
Military industrial semi-volatile organic compounds, heavy metals, volatile organic compounds
Research, development and testing facilities for semi-volatile organic compounds, heavy metals, volatile organic compounds
Dry cleaners volatile organic compounds, organic chlorine solvents other
Transport Maintenance heavy metals, petroleum hydrocarbons
Related standard:   HJ 25.2-2014  HJ 25.3-2014
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