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Basic data
| Standard ID | GB/T 39793.2-2020 (GB/T39793.2-2020) |
| Description (Translated English) | (Technical Guide for Eco-environmental Damage Appraisal and Assessment Basic Method - Part 2: Virtual Treatment Cost Method of Water Pollution) |
| Sector / Industry | National Standard (Recommended) |
| Classification of Chinese Standard | Z06 |
| Classification of International Standard | 13.020.01 |
| Word Count Estimation | 10,150 |
| Date of Issue | 2020-12-29 |
| Date of Implementation | 2021-01-01 |
| Regulation (derived from) | Ministry of Ecology and Environment Announcement No. 79 [2020] |
| Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration |
GB/T 39793.2-2020: (Technical Guide for Eco-environmental Damage Appraisal and Assessment Basic Method - Part 2: Virtual Treatment Cost Method of Water Pollution)
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(Technical Guide for Eco-environmental Damage Appraisal and Assessment Basic Method Part 2.Virtual Treatment Cost Method of Water Pollution)
National Standards of People's Republic of China
Basic method of ecological environment damage assessment technical guide
Part 2.Virtual Control Cost Method of Water Pollution
Technical guidelines for identification and assessment of environmental
damage-Principal methods -Part 2.imputed abatement cost for water
pollution
2020-12-29 release
2021-01-01 implementation
Ministry of Ecology and Environment
State Administration for Market Regulation
release
ICS 13.040.50
Z 64
Table of contents
Foreword...ii
1 Scope of application...1
2 Normative references...1
3 Terms and definitions...1
4 Working procedures...1
5 Evaluation method...2
Foreword
To implement the Civil Code of the People’s Republic of China, the Environmental Protection Law of the People’s Republic of China, and the Water Pollution Prevention and Control Law of the People’s Republic of China
And the "Eco-environmental Damage Compensation System Reform Program" to protect the surface water ecological environment, protect public health, and regulate the ecological environment involving surface water
This standard is formulated for the identification and assessment of environmental damage.
This standard specifies the applicable conditions, working procedures and evaluation methods of the virtual treatment cost method for surface water pollution.
This standard is issued for the first time.
This standard is organized and formulated by the Ministry of Ecology and Environment.
The main drafting unit of this standard. Environmental Planning Institute of the Ministry of Ecology and Environment.
This standard will be implemented on January 1, 2021.For the identification and assessment of ecological environmental damage that occurred before the implementation of this standard, continue to refer to the
"Explanation on the Application Situation and Calculation Method of Virtual Governance Cost Method" (Huanban Zhengfahan [2017] No. 1488), but the damage continued to
Except those implemented by this standard.
This standard is interpreted by the Ministry of Ecology and Environment.
Basic method of ecological environment damage assessment technical guide
Part 2.Virtual Control Cost Method of Water Pollution
1 Scope of application
This standard specifies the applicable conditions, working procedures and evaluation methods of the virtual treatment cost method for surface water pollution.
This standard applies to illegal discharge or dumping of waste water or solid waste (including hazardous waste) and other discharge activities. The facts are clear, but the facts are harmed.
Circumstances in which the scope, extent, and amount of damage to the ecological environment of surface water are not clear or cannot be determined at a reasonable cost. This standard does not apply to sudden
In the event of an environmental incident, the actual emergency treatment costs or governance costs are clear, and the ecological environment damage can be determined through investigation and evaluation.
Identification and evaluation.
2 Normative references
This standard quotes the following documents or their clauses. For dated reference documents, only the dated version applies to this standard.
For undated references, the latest version (including all amendments) applies to this standard.
GB 30000.18 Rules for Classification and Labeling of Chemicals Part 18.Acute Toxicity
GB 30000.28 Specification for Classification and Labeling of Chemicals Part 28.Hazards to the Aquatic Environment
3 Terms and definitions
The following terms and definitions apply to this standard.
3.1
Unit abatement cost
Refers to the costs incurred by industrial production enterprises or professional pollution control enterprises for the treatment of unit volume or quality of wastewater or solid waste.
Including energy consumption, equipment maintenance, personnel wages, management fees, pharmaceutical fees and other processing facility operating costs, fixed asset depreciation costs and governance
The waste disposal and other related expenses generated during the process do not include the benefits generated by the comprehensive utilization of solid waste.
3.2
Discharge amount
Refers to the amount of pollutants discharged in excess of the standard or the total amount of pollutants discharged by the pollutant discharge unit or the amount of waste water discharged into the environment outside the legal boundary or the solid waste dumped
Volume. For water pollutants without discharge standards, it refers to the total amount of pollutants discharged.
3.3
Adjustment coefficient
The coefficient is used to adjust the gap between the cost of surface water pollution treatment and the value of damage caused by environmental pollution.
The adverse effects of body waste on the water environment and the sensitivity of different functional water bodies, the value and the hazard of pollutants, and the surface water environment
Functionally related.
4 Working procedures
The working procedure of the virtual treatment cost method for surface water pollution is shown in Figure 1.The specific steps include.
a) Analysis of method suitability. Identify the discharge or dumping of wastewater or solid waste through on-site survey, data verification, file review, etc.
Facts, master the source or industry of wastewater or solid waste, characteristic pollutants, discharge rules, discharge destination, discharge place
Analysis of the applicability of virtual governance cost method based on points, discharge quantity, discharge concentration and environmental function of discharge into water bodies.
b) Determine the emission quantity. According to site survey, inquiry transcripts, production records and other materials, determine the amount of pollutants discharged or waste water,
The mass or volume of solid waste discharged or dumped, and the content of characteristic pollutants in the wastewater is measured according to needs.
c) Determine the unit governance cost. Use actual survey method, cost function method and other methods to determine the characteristic pollutants in wastewater or wastewater or
The unit treatment cost of solid waste.
d) Determine the adjustment factor. Determine the adjustment coefficient according to the hazard category of wastewater or solid waste and the current environmental function of the receiving water body,
Including hazard coefficient, excess coefficient and environmental function coefficient.
e) Calculate the amount of surface water ecological environmental damage. According to emissions, unit governance costs, adjustment factors, etc., adopt virtual governance costs
Method calculation formula to calculate the amount of surface water ecological environmental damage.
5 Evaluation method
5.1 Basic method
On the basis of the cost required for the treatment of wastewater or solid waste to meet relevant standards based on the current technical methods, while considering wastewater or solid waste
The damage amount is calculated based on factors such as the hazard and concentration of the substances or pollutants in the waste and the environmental function of the surface water, see formula (1) and
Formula (2).
5.2 Quantity of emissions
If waste water is discharged in excess of the standard at the sewage outlet approved by the ecological environment management department and enters the surface water body, the discharge amount is the waste water discharged in excess of the standard
Or the total amount of characteristic pollutants. For other secretly discharged or dumped wastewater, the discharge amount shall be the total amount of discharged wastewater or characteristic pollutants. Discharge to surface water
Where solid waste is discharged or dumped, the discharge amount shall be the total amount of solid waste discharged and dumped.
The calculation methods of the emission quantity include the actual measurement method, the material balance algorithm and the pollution discharge coefficient calculation method. For dumping of waste or waste liquid, violation of laws and regulations
For pollutant discharge incidents, the discharge of wastewater or solid waste is generally obtained through on-site discharge verification, personnel interviews, and production or transportation records.
According to the actual situation, select the appropriate calculation method according to the actual situation; for emergencies, generally through the actual measurement method and the material balance algorithm mutual verification
Method of verification.
5.3 Unit governance cost
5.3.1 Actual survey method
Preference is given to using actual survey methods to determine unit governance costs. Through actual investigation, obtain the same or nearby area, the same or similar production workers
Enterprises with the same or similar waste water or solid waste can achieve stable and up-to-standard discharge
The average unit cost of governance. Among the above factors, the same product type, treatment process, and production scale can achieve stable emission compliance as
The primary consideration is the same or adjacent area as the secondary consideration, followed by the production process.
The unit treatment cost of wastewater and solid waste is calculated with reference to formula (3) and formula (4).
The source of wastewater or solid waste is clear and the source unit has its own treatment facility. If one of the following conditions is met, the source unit’s own
Governance costs for bank accounting.
(1) It has normal operation records within the past three years, and the wastewater can be discharged up to the standard or meet the solid waste pollution control requirements;
(2) It has not been in operation in the past three years, but the existing data can fully prove that the treatment process is effective, the wastewater can meet the standard discharge or the solid waste meets the pollution
Dyeing control requirements.
The reasonableness of the cost accounting data provided by the source unit should be evaluated, and the cost item composition, unit price and quantity should be reasonable
Under the circumstances, the treatment cost calculated by the source unit itself can be used as the unit treatment cost of wastewater or solid waste. Treatment of wastewater or solid waste
If the treatment cost is not clear, the unit treatment cost accounting data provided by professional wastewater or solid waste treatment enterprises can be used.
5.3.2 Cost function method
When the survey sample size is large enough, the cost function method can be used to establish the treatment of wastewater or solid waste in typical industries through survey data
For the cost function, the average unit pollution control cost that meets the emission standard is taken as the unit control cost, see formula (5).
5.4.1 Wastewater
5.4.1.1 Evaluation Index
When determining the wastewater hazard coefficient, the evaluation indicators should be determined according to the following principles.
a) Wastewater with a clear source, pollutant category and content, compare industry discharge standards, and include all indicators of excessive pollutants into the hazard system
Number calculation
b) Wastewater whose source is unknown but whose pollutant type and content have been determined through testing, compare the comprehensive discharge standards, and reduce the pollutant indicators exceeding the standard
All included in the calculation of the hazard coefficient;
c) Wastewater whose source is known but the composition of pollutants is unknown or cannot be determined. According to the industry source of wastewater and industry discharge standards, all waste water
The pollutant indicators that can be calculated by the Ministry are included in the calculation of the hazard coefficient.
5.4.1.2 Fishery water
The surface water environment functions as the habitat of rare aquatic organisms and fishery water, according to the classification standards and mixing of substances in GB 30000.28
The classification standard of waste water classifies the aquatic environment hazards of chemical substances or mixtures in wastewater. According to the chemical substances or mixtures in the wastewater
Acute aquatic hazard or chronic aquatic hazard category determines the value of α, see Table 1; for both acute aquatic toxicity and chronic aquatic toxicity, α
Take the maximum value.
5.4.1.3 Drinking water source
If the environmental function of surface water is the source of drinking water, according to the classification standards of substances and mixtures in GB 30000.18, the wastewater
Classify the acute human health hazards of chemical substances or mixtures in wastewater, and classify them according to the oral exposure of chemical substances or mixtures in wastewater
The acute toxicity hazard category determines the value of α, see Table 1.
5.4.1.4 Recreation water
The environmental function of surface water is to directly contact recreational water. According to the classification standard of substance and mixture in GB 30000.18
Standard, classify the acute toxic hazards of wastewater. Determined according to the percutaneous acute toxicity hazard category of chemical substances or mixtures in wastewater
For the value of α, see Table 1.
5.4.1.5 Other regulations
The environmental functions of surface water include agricultural water, general industrial water, general landscape water, indirect contact with recreational water, and other unspecified
For functional, the hazard coefficient α is shown in Table 1.
If the surface water environment functions for multiple purposes, the hazard coefficient α takes the maximum value.
...
