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GB 18598-2019

Chinese Standard: 'GB 18598-2019'
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BASIC DATA
Standard ID GB 18598-2019 (GB18598-2019)
Description (Translated English) (Hazardous waste landfill pollution control standard)
Sector / Industry National Standard
Word Count Estimation 23,278
Date of Issue 2019-09-30
Date of Implementation 2020-06-01
Older Standard (superseded by this standard) GB 18598-2001
Regulation (derived from) Natural Resources Department Announcement No. 7 of 2019

GB 18598-2019
(Hazardous waste landfill pollution control standard)
ICS
National Standards of People's Republic of China
Replace GB 18598-2001
Hazardous waste landfill pollution control standard
Standard for pollution control on the hazardous waste landfill
Published on.2019-09-30
2020-06-01 implementation
Ministry of Ecology and Environment
State market supervision and administration
release
Content
Foreword...I
1 Scope...1
2 Normative references...1
3 Terms and Definitions...3
4 Landfill site selection requirements...5
5 Design, Construction and Quality Assurance...6
6 Admission requirements for landfill waste...8
7 Landfill Operation Management Requirements...9
8 Landfill pollutant emission control requirements...9
9 Closing requirements...11
10 Monitoring requirements...11
11 Implementation and supervision...15
Appendix A (informative appendix) Schematic diagram of rigid landfill and double artificial composite lining...16
Appendix B (normative appendix) Calculation method for leakage rate and acceptable leakage rate of main anti-seepage layer...17
Foreword
To implement the "Environmental Protection Law of the People's Republic of China"
Law of the People's Republic of China on Soil Pollution Prevention and Control, this standard specifies the entry conditions for landfill of hazardous waste, the site selection of landfills,
Ecological environmental protection requirements for design, construction, operation, closure and monitoring.
This standard was first published in.2001 and this is the first revision.
The main contents of this revision.
 Standardize the technical requirements for site selection of hazardous waste landfill sites;
 Strict entry criteria for hazardous waste landfills;
Restricted the discharge control requirements of hazardous waste landfills;
 Improve the technical requirements for the operation and monitoring of hazardous waste landfills.
The odorous pollutants and environmental noise emitted by hazardous waste landfills shall be subject to the corresponding national pollutant discharge standards. Dangerous waste
Self-monitoring of landfills shall be carried out in accordance with the requirements of this standard, and shall be subject to the regulations after the self-monitoring guidelines of the pollutant discharge units of the industry are released.
set.
Appendix A of this standard is an informative appendix and Appendix B is a normative appendix.
From the date of implementation of this standard, the "Hazardous Waste Landfill Pollution Control Standards" (GB 18598-2001) shall be abolished.
Provincial people's governments may formulate local pollutant discharges for atmospheric and water pollutants items not specified in this standard.
Standards; for atmospheric and water pollutants projects already specified in this standard, local pollutant discharges that are stricter than this standard may be formulated.
standard.
This standard is formulated by the Department of Solid Waste and Chemicals, Department of Regulations and Standards of the Ministry of Ecology and Environment.
This standard is mainly drafted by. China Academy of Environmental Sciences, Beijing High Energy Times Environmental Technology Co., Ltd.
This standard was approved by the Ministry of Ecology and Environment on September 12,.2019.
This standard has been implemented since June 1, 2020.
This standard is explained by the Ministry of Ecology and Environment.
Hazardous waste landfill pollution control standard
1 Scope of application
This standard specifies the entry conditions for landfill of hazardous waste, site selection, design, construction, operation, closure and supervision of landfills.
Environmental protection requirements for testing.
This standard is applicable to the pollution control of the construction, operation, closure and environmental management process of new hazardous waste landfills.
system. Admission requirements, operational requirements, pollutant discharge requirements, environmental protection after closure and closure of existing hazardous waste landfills
Requirements and monitoring requirements shall be implemented in accordance with this standard. This standard is applicable to the environmental pollution of hazardous waste landfills by competent environmental authorities.
Supervision and management of dyeing prevention and control.
This standard does not apply to the disposal of radioactive waste and the temporary disposal of hazardous waste in the event of an accident.
2 Normative references
The contents of this standard refer to the terms in the following documents. For undated references, the valid version applies to
This standard.
GB 5085.3 Identification criteria for hazardous wastes
GB 6920 Determination of pH of water - Glass electrode method
GB 7466 Determination of total chromium in water (Part 1)
GB 7467 -- Determination of hexavalent chromium -- Dibenzoyl hydrazide spectrophotometric method
GB 7470 -- Determination of lead in water -- Dithizone spectrophotometric method
GB 7471 Determination of cadmium in water -- Dithizone spectrophotometric method
GB 7472 -- Determination of zinc in water -- Dithizone spectrophotometric method
GB 7475 - Determination of copper, zinc, lead and cadmium - Atomic absorption spectrophotometric method
GB 7484 Determination of fluoride in water quality - Ion selective electrode method
GB 7485 -- Determination of total arsenic in water - s.
GB 8978 Integrated Wastewater Discharge Standard
GB 11893 Determination of total phosphorus in water - Ammonium molybdate spectrophotometric method
GB 11895 Determination of benzo (α) pyrene - acetylated filter paper chromatographic spectrophotometric method
GB 11901 Determination of suspended solids by weight method
GB 11907 Determination of silver in water -- Flame atomic absorption spectrophotometric method
GB 16297 Integrated emission standards for atmospheric pollutants
GB 37822 Volatile Organic Compounds Unorganized Emission Control Standard
GB 50010 concrete structure design specification
GB 50108 Underground Engineering Waterproof Technical Specifications
GB/T 14204 Water quality - Determination of alkyl mercury - Gas chromatography
GB/T 14671 Determination of water quality 电位 potentiometric titration
GB/T 14848 Groundwater Quality Standard
GB/T 15555.1 Determination of total mercury in solid waste - Cold atomic absorption spectrophotometric method
GB/T 15555.3 Determination of arsenic in solid waste - Diethyldithiocarbamate silver spectrophotometric method
GB/T 15555.4 Determination of hexavalent chromium in solid waste - Diphenylcarbazide spectrophotometric method
GB/T 15555.5 Determination of total chromium in solid waste - Diphenylcarbazide spectrophotometric method
GB/T 15555.7 Determination of hexavalent chromium in solid waste - Ammonium sulphate titration
GB/T 15555.10 Determination of nickel in solid waste - succinimide spectrophotometric method
GB/T 15555.11 Determination of fluoride in solid waste - Ion selective electrode method
GB/T 15555.12 Determination of corrosion of solid wastes - Glass electrode method
HJ 84 Water quality inorganic anions (F-, Cl-, NO2-, Br-, NO3-, PO43-, SO32-, SO42-)
Determination of ion chromatography
HJ 478 Water quality determination of polycyclic aromatic hydrocarbons - Liquid - liquid extraction and solid phase extraction - High performance liquid chromatography
HJ 484 Determination of water cyanide - Volumetric method and spectrophotometric method
Water quality - Determination of copper - diethyldithiocarbamate spectrophotometric method
Water quality -- Determination of copper 2,9-dimethyl-1,10-phenanthroline spectrophotometric method
HJ 487 Determination of fluoride in water quality - Zirconium sulphonate
HJ 488 Determination of fluoride in water - Fluorescence spectrophotometric method
HJ 489 Determination of silver in water 3,5-Br2-PADAP spectrophotometric method
HJ 490 Determination of silver in water - cadmium reagent 2B spectrophotometric method
HJ 501 Determination of Total Organic Carbon in Water - Combustion Oxidation - Non-dispersive Infrared Absorption Method
HJ 505 Water quality five-day biochemical oxygen demand (BOD5) determination dilution and inoculation method
HJ 535 Water quality - Determination of ammonia nitrogen - Nyna reagent spectrophotometric method
HJ 536 - Determination of ammonia nitrogen - Water salic acid spectrophotometric method
HJ 537 Determination of water ammonia nitrogen - Distillation - Neutralization titration
HJ 597 Determination of total mercury in water - Cold atomic absorption spectrophotometric method
HJ 602 Determination of water quality - Graphite furnace atomic absorption spectrophotometric method
HJ 636 Determination of total nitrogen in water - Alkaline potassium persulfate digestion - UV spectrophotometric method
HJ 659 Determination of water cyanide, etc. Vacuum test tube - electronic colorimetry
HJ 665 Determination of ammonia nitrogen in water - Continuous flow - Salicylic acid spectrophotometric method
HJ 666 Water quality - Determination of ammonia nitrogen - Flow injection - salicylic acid spectrophotometric method
HJ 667 Determination of total nitrogen in water - Continuous flow - Naphthylethylenediamine hydrochloride spectrophotometric method
HJ 668 Determination of total nitrogen in water - Flow injection - Naphthyldiamine hydrochloride spectrophotometric method
HJ 670 Determination of water quality - Phosphate and total phosphorus - Continuous flow - Ammonium molybdate spectrophotometric method
HJ 671 Determination of total phosphorus in water - Flow injection - Ammonium molybdate spectrophotometric method
HJ 687 Determination of hexavalent chromium in solid waste - Alkaline digestion/flame atomic absorption spectrophotometric method
HJ 694 Determination of mercury, arsenic, selenium, tellurium and strontium
HJ 700 Water quality - Determination of 65 elements - Inductively coupled plasma mass spectrometry
HJ 702 Determination of Mercury, Arsenic, Selenium, Tellurium and Tellurium in Solid Wastes by Microwave Digestion/Atomic Fluorescence
HJ 749 Determination of total chromium in solid waste - Flame atomic absorption spectrophotometric method
HJ 750 Determination of total chromium in solid waste - Graphite furnace atomic absorption spectrophotometric method
Determination of nickel and copper in solid waste -- Flame atomic absorption spectrophotometric method
HJ 752 solid waste - Determination of nickel, copper and molybdenum - Atomic absorption spectrophotometric method
HJ 761 Determination of organic matter in solid wastes
HJ 766 Determination of metallic elements in solid waste - Inductively coupled plasma mass spectrometry
HJ 767 Determination of solid waste 石墨 Graphite furnace atomic absorption spectrophotometry
HJ 776 Determination of 32 elements in water quality by inductively coupled plasma atomic spectroscopy
HJ 781 Determination of 22 Metal Elements in Solid Wastes by Inductively Coupled Plasma Atomic Emission Spectrometry
HJ 786 - Determination of lead, zinc and cadmium - Atomic absorption spectrophotometric method
HJ 787 solid waste - Determination of lead and cadmium by graphite furnace atomic absorption spectrophotometry
HJ 823 Determination of water cyanide - Flow injection - spectrophotometric method
HJ 828 Determination of chemical oxygen demand in water - Dichromate method
HJ 999 Determination of fluorine in solid waste - Alkali fusion-ion selective electrode method
HJ/T 59 Determination of water quality 石墨 Graphite furnace atomic absorption spectrophotometric method
HJ/T 91 Surface Water and Wastewater Monitoring Technical Specifications
HJ/T 195 Determination of ammonia nitrogen in water quality - Gas chromatography
HJ/T.199 Determination of total nitrogen in water -- Gas phase molecular absorption spectroscopy
HJ/T 299 solid waste leaching toxicity leaching method sulfuric acid nitric acid method
HJ/T 399 Determination of chemical oxygen demand in water - Rapid digestion spectrophotometric method
CJ/T 234 high density polyethylene geomembrane for landfill
CJJ 113 Domestic Waste Sanitary Landfill Anti-seepage System Engineering Technical Specification
Technical specification for geotechnical engineering of CJJ 176 domestic waste sanitary landfill
NY/T 1121.16 Soil testing - Part 16. Determination of total water soluble salts
Measures for the Automatic Monitoring and Control of Pollution Sources (Order No. 28 of the State Environmental Protection Administration)
3 Terms and definitions
3.1 hazardous waste
Listed in the national hazardous waste list or identified according to the national hazardous waste identification standards and identification methods
Solid waste with hazardous properties.
3.2 Hazardous waste landfill
A land disposal facility for the disposal of hazardous waste consisting of several disposal units and structures, mainly including receiving
And storage facilities, analysis and identification systems, pretreatment facilities, landfill disposal facilities (including. anti-seepage systems, leachate)
Collection and drainage systems), closure systems, leachate and wastewater treatment systems, environmental monitoring systems, emergency facilities and
His public works and supporting facilities. Landfills referred to in this standard refer to hazardous waste landfills.
3.3 Compatibility compatibility
A hazardous waste does not produce gas, heat or harmful substances when it comes into contact with other hazardous wastes or other substances in the landfill.
It will not burn or explode, and there will be no other reactions or changes that may adversely affect the landfill.
3.4 Flexible landfill flexible landfill
A double artificial composite lining is used as a landfill disposal facility for the anti-seepage layer.
3.5 rigid landfill concrete landfill
Reinforced concrete is used as a landfill disposal facility for seepage prevention structures. Its composition is shown in Appendix A, Figure A.1.
3.6 natural foundation layer
Located in the lower part of the impervious lining, the base layer consists of undisturbed soil.
3.7 Anti-seepage lining landfill liner
Percolation prevention consisting of clay lining and synthetic material lining at the bottom and slope of a hazardous waste landfill
The liquid enters the barrier layer of the groundwater.
3.8 double artificial composite liner double artificial composite liner
An anti-seepage liner consisting of two layers of synthetic material lining and clay lining. Its composition is shown in Appendix A, Figure A.2.
3.9 Leak detection layer
Located between the double artificial composite liners, collecting, draining, and detecting the leakage of liquid through the primary barrier layer.
3.10 acceptable leakage rate acceptable leakage rate
The maximum acceptable leakage rate detected in the leak detection layer. See Appendix B for the specific calculation method.
3.11 water-soluble salt
Chloride, sulfate, carbonate and other soluble substances in solid waste.
3.12 Liner leakage detection
Whether the artificial synthetic material lining (such as high density polyethylene film) is damaged or broken by electric method and other methods
The damage location is detected. Impervious layer integrity testing includes landfill construction acceptance testing and testing during and after the closure.
3.13 Landfill stability landfill stability
Uneven settlement and landslides in the construction, operation and closure of landfills, landfills and closure systems
Mechanical properties of collapse and other phenomena.
3.14 public sewage treatment system
Collect wastewater through sewage pipelines, provide wastewater treatment services for two or more sewage disposal units, and drain
Enterprises or institutions that meet the relevant emission standards, including urban sewage treatment plants of various sizes and types, and regions (including
Various types of industrial parks, development zones, industrial agglomerations, etc.) wastewater treatment plants, etc., the degree of wastewater treatment should reach two or two
the above.
3.15 direct discharge
The behavior of pollutant discharge units directly discharging pollutants into the environment.
3.16 indirect discharge
The discharge of pollutants by the pollutant discharge unit to the public sewage treatment system.
3.17 Existing hazardous waste landfill
Before the date of implementation of this standard, a hazardous waste landfill that has been approved for production or environmental impact assessment documents has been completed.
3.18 new hazardous waste landfill new-built hazardous waste landfill
After the implementation of this standard, the environmental impact assessment document has been approved for the construction, reconstruction or expansion of hazardous waste landfills.
3.19 Design life expectancy
When landfill design is carried out, the landfill has been determined with full consideration of landfill construction, operation and maintenance, etc.
The expected time to block the function of the waste from contacting the environmental medium. Realizing the barrier function requires reasonable site selection and regulation of the landfill
Effective measures such as construction and safe operation were completed.
4 Landfill site selection requirements
4.1 The site selection of the landfill should comply with environmental protection laws and regulations and relevant statutory planning requirements.
4.2 The location of the landfill site and the distance from the surrounding population should be determined based on the conclusion of the environmental impact assessment.
When conducting environmental impact assessments on hazardous waste landfill sites, priority should be given to the potential for landfill leachate in hazardous waste landfills.
The risks, the long-term safety of the landfill structure and the anti-seepage layer, and the resulting risk of leakage, etc., according to their location
The regional functional area category, combined with the long-term development plan of the area and the design life of the landfill, focusing on its evaluation of the week
The long-term effects of the groundwater environment, the physical health of the residents, daily life and production activities, and the determination of their permanent residents
Reasonable positional relationship between residential areas, agricultural land, surface water bodies and other sensitive objects.
4.3 Landfill sites should not be selected in the relevant departments of the State Council and the State Council and the people's governments of provinces, autonomous regions and municipalities directly under the Central Government.
The ecological protection red line area, permanent basic farmland and other areas that require special protection.
4.4 Landfill sites should not be selected in the following areas. destructive earthquakes and active tectonic zones, tsunami and swell affected areas; wetlands;
Areas where ground stress is highly concentrated, ground elevation or sedimentation rate is fast; limestone cave development zone; abandoned mining area, subsidence zone;
Collapse, rock piles, landslide areas; areas affected by flash floods and mudslides; active dune areas; alluvial fans and gully areas that have not yet stabilized
Other areas that may compromise the safety of the landfill.
4.5 The elevation of the landfill site should be located above the flood level with a return period of not less than 100 years and the water in the long-term plan.
Artificial water storage facilities such as reservoirs are flooded and outside the protected area.
4.6 The geological conditions of the landfill site should meet the following requirements, except for rigid landfills.
a) The regional stability and rock and soil stability of the field area are good, the permeability is low, and no spring water is exposed;
b) The bottom of the anti-seepage structure of the landfill should be kept at a distance of more than 3 m from the highest water level recorded since the groundwater was recorded.
4.7 Landfill sites should not be selected in areas of high compressibility silt, peat and soft soil, except for rigid landfill site selection.
4.8 The saturated permeability coefficient of the natural foundation layer of the landfill site should not exceed 1.0×10-5 cm/s, and its thickness should not be less than 2 m.
Except for rigid landfills.
4.9 When the landfill site cannot meet the requirements of 4.6, 4.7 and 4.8, it must be constructed in accordance with the requirements of the rigid landfill.
5 Design, construction and quality assurance
5.1 The landfill should include the following facilities. receiving and storage facilities, analysis and identification systems, pre-treatment facilities, landfill disposal facilities
Applications (including. anti-seepage systems, leachate collection and drainage systems, landfill gas control facilities), environmental monitoring systems (
These include synthetic material lining leak detection, groundwater monitoring, stability monitoring, and environmental inspection of atmospheric and surface water.
Test), closure of the system (landfill phase), emergency facilities and other public works and ancillary facilities. At the same time,
The specific conditions include the installation of leachate and wastewater treatment systems and groundwater drainage systems.
5.2 Landfills should be constructed with closed fences or fences and other isolation facilities, special gates for management, safety protection and monitoring facilities,
The main construction content and environmental management system of the landfill are identified at the entrance.
5.3 Landfill disposal of incompatible waste should be set up with different landfill areas, and the partition design should be beneficial for possible future waste recovery.
operating.
5.4 Flexible landfills shall be provided with leachate collection and drainage systems, including leachate drainage layers, drainage pipes and collection wells. Seepage
The slope of the filtrate drainage layer should not be less than 2%. The drainage effect of the leachate drainage system should ensure the leachate above the artificial lining
The depth is not more than 30 cm and the following conditions should be met.
a) Pebble should be used when the leachate drainage layer is made of stone. The initial permeability coefficient should be not less than 0.1 cm/s.
The amount should be no more than 5%;
b) A reverse filtration layer shall be provided between the leachate drainage layer and the landfill waste to prevent the drainage layer from blocking;
c) The leachate discharge pipe outlet shall be provided with a backwashing device such as a terminal well to flush the pipeline regularly to maintain the pipeline;
d) Leachate collection and drainage facilities should be partitioned.
5.5 Flexible landfills should use double artificial composite lining as the anti-seepage layer. Artificial synthetic materials in double artificial composite lining
The high-density polyethylene film shall meet the technical specifications specified in CJ/T 234 and shall have a thickness of not less than 2.0 mm. Double artificial
The clay lining in the composite lining should meet the following conditions.
a) The main lining layer should have a thickness of not less than 0.3 m, and the saturated permeability coefficient after compaction and artificial modification is small.
a clay lining at 1.0 x 10-7 cm/s;
b) The secondary lining shall have a thickness of not less than 0.5 m, and the saturated permeability coefficient after compaction and artificial modification shall be small.
A clay lining of 1.0 x 10-7 cm/s.
5.6 The construction process of clay lining should fully consider the influence of compaction and water content on its saturated permeability coefficient and meet the following
Pieces.
a) the height difference of clay layer per square meter shall not exceed 2 cm;
b) The fine particle content of the clay (particle size less than 0.075 mm) should be greater than 20%, the plasticity index should be greater than 10%, should not contain
Sharp particles with a particle size greater than 5 mm;
c) The construction of clay lining should not be made up of leachate collection and drainage system, synthetic material lining, leakage detection layer
Into destruction.
5.7 Flexible landfills shall be provided with a leak detection layer between two layers of artificial composite lining, which consists of a double artificial composite lining
The drainage medium, the drainage pipe and the collecting well shall be arranged in a partition. The detection layer permeability coefficient should be greater than 0.1 cm/s.
5.8 The rigid landfill design shall comply with the following requirements.
a) The design of reinforced concrete in rigid landfill should comply with the relevant provisions of GB 50010, and the waterproof rating should conform to GB .
50108 first grade waterproof standard;
b) The surface of the reinforced concrete in contact with the waste shall be covered with anti-seepage and anti-corrosion materials;
c) the compressive strength of reinforced concrete is not less than 25 N/mm2, and the thickness is not less than 35 cm;
d) should be designed as a number of independent symmetrical landfill units, each of which must not exceed 50 m2 and the volume must not
More than 250 m3;
e) The landfill structure shall be provided with a canopy to prevent rainwater from entering;
f) Under the manual visual conditions, the damage and leakage of the landfill unit can be observed and repaired in time.
5.9 The landfill should be properly equipped with an exhaust system.
5.10 High-density polyethylene anti-seepage film should be visually inspected under the film during the laying process to ensure the flatness and ensure no
There are leftover sharp materials and materials. Visual inspection of high-density polyethylene impermeable membranes to ensure no quality defects. high density
During the welding process of polyethylene anti-seepage film, the relevant technical requirements of CJJ 113 should be met. After the construction of the landfill is completed, it needs to be high.
Density polyethylene impermeable membrane for integrity testing.
5.11 The construction plan of the landfill should include construction quality assurance and construction quality control content, and clarify environmental protection clauses and responsibilities.
As the basis for environmental protection acceptance of the completion of the project, it can also be used as the main content of environmental supervision for landfill construction.
5.12 After the completion of the construction of the landfill, the construction report, complete set of as-built drawings, all materials shall be submitted to the local ecological environment authority.
On-site and laboratory test reports, landfills using high-density polyethylene film as a synthetic material lining should also be submitted for prevention
Seepage integrity test report.
5.13 The landfill should formulate a disposal plan for landfill wastes after the design life period, and based on the assessment results of 7.10.
Whether to start the disposal plan.
6 Admission requirements for landfill waste
6.1 The following wastes may not be landfilled.
a) medical waste;
b) waste that has an incompatible reaction with the lining;
c) Liquid waste.
6.2 In addition to the wastes listed in 6.1, wastes that meet the following conditions or have been pretreated to meet the following conditions may enter the flexible landfill.
a) that the concentration of harmful components in the leachate prepared according to HJ/T 299 does not exceed the allowable landfill control limits in Table 1;
b) wastes with a pH value between 7.0 and 12.0 as measured according to GB/T 15555.12;
c) waste with a moisture content of less than 60%;
d) Waste with a total amount of water-soluble salts less than 10%, the determination method is carried out according to NY/T 1121.16
The new monitoring method standard is implemented after the method for determining the total amount of water-soluble salts in the waste;
e) wastes with an organic matter content of less than 5%, the method of determination is carried out in accordance with HJ 761;
f) Wastes that are no longer reactive or flammable.
6.3 Wastes other than those listed in 6.1, which are not reactive, flammable or are no longer reactive or flammable after pretreatment,
Access to rigid landfills.
6.4 Wastes with an arsenic content greater than 5% shall be disposed of in a rigid landfill. The determination method shall be as shown in Table 1.
Table 1 Control limits for landfill for hazardous waste
7 Landfill operation management requirements
7.1 Before the putty site is put into operation, the enterprise shall formulate an operational plan and an emergency plan for emergency environmental incidents. Sudden environmental event
The emergency plan should describe various possible emergencies and emergency measures.
7.2 Landfill operation management personnel should participate in the post training of the enterprise and be employed after passing the examination.
7.3 Flexible landfills should be routinely landfilled according to the principle of landfill, and the landfill should be as small as possible, convenient and timely.
Get covered. The slope of the landfill should be in accordance with the requirements for stack stability calculation.
7.4 The landfill should reasonably select the landfill unit according to the mechanical properties of the waste to prevent local stress concentration from causing damage to the landfill structure.
7.5 Flexible landfills should control the water content and mechanical parameters of landfill waste according to the stability requirements of landfill slopes.
Avoid the connected sliding surface.
7.6 The daily operation of the flexible landfill should take measures to ensure the stability of the landfill and fill the pile according to the requirements of CJJ 176.
And analysis of the stability of the slope.
7.7 During the operation of a flexible landfill, the entry of external rainwater should be strictly prohibited. At the end of the day's work, and at the end of the landfill
The rear area must be covered with artificial materials. Unless there is a complete canopy, it is not advisable to carry out landfill operations on rainy days.
7.8 Landfill operation records shall include equipment process control parameters, source, type, quantity of waste, and landfill location
For information, flexible landfills should also record the amount of leachate produced and the amount of leakage from the leak detection layer.
7.9 The enterprise shall establish all the files related to the landfill, including the characteristics of the admission waste, landfill area, site selection, survey,
The whole process of land acquisition, design, construction, acceptance, operation management, closure and post-closing management, monitoring and emergency response
All documents and documents must be organized and archived according to laws and regulations such as national file management, and kept forever.
7.10 The landfill should be based on the leachate water level, leachate production, leachate composition and concentration, leakage detection layer leakage,
Data such as groundwater monitoring results, regularly assess the environmental safety performance of the landfill, and determine whether it is correct based on the assessment results.
The landfill follow-up plan is revised and necessary emergency response measures are taken. During the operation of the landfill, the frequency of assessment is not
It must be less than two years; from the closure to the design life, the frequency of evaluation should not be less than three years; after the design life, the frequency of evaluation
Not less than once a year.
8 Landfill pollutant emission control requirements
8.1 Wastewater Pollutant Emission Control Requirements
8.1.1 Leachate (regulating pool wastewater) generated by landfills must be treated and meet the pollution requirements of this standard.
Leakage recirculation is prohibited after the discharge control requirements are required.
8.1.2 Before August 31, 2020, the existing hazardous waste landfill wastewater will be treated to meet the first type of pollution in GB 8978.
The maximum allowable discharge concentration standard for dyes and the maximum allowable discharge concentration standards for the second type of pollutants can be discharged. First
The second type of pollutant emission control projects include. pH value, suspended solids (SS), five-day biochemical oxygen demand (BOD5), chemical aerobic
Amount (CODCr), ammonia nitrogen (NH3-N), phosphate (in terms of P).
8.1.3 From September 1, 2020, the discharge limits of existing hazardous waste landfill wastewater discharges shall be subject to the limits specified in Table 2.
Table 2 Limits of Wastewater Pollutant Emissions from Hazardous Waste Landfills
Note. (1) Hazardous waste landfill in industrial parks and hazardous waste centralized disposal facilities to the sewage treatment system
Indirect emission limits are implemented when wastewater is discharged.
8.2 Landfills organized and unorganized gas emissions shall meet the requirements of GB 16297 and GB 37822. Monitoring factor
According to the characteristics of landfill waste, the company proposed from the above two standard pollutant control projects and obtained the local ecological environment supervisor.
The department agreed.
8.3 Hazardous Waste Landfills should not contaminate groundwater. Groundwater monitoring factors and groundwater monitoring horizons are based on
The characteristics of landfill waste and the hydrogeological conditions of the landfill site must be representative and representative of the characteristics of the waste.
Number, and obtained the consent of the local ecological environment authorities. Routine measurement items include. turbidity, pH, total solubility
Body, chloride, nitrate (in N), nitrite (in N). Landfill quality assessment in accordance with GB/T 14848
carried out.
Related standard:   GB 13015-2017  GB 16487.10-2017
Related PDF sample:   GB 18597-2001  GB 18599-2001
   
 
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