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HJ 916-2017 English PDF

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HJ 916-2017: Environmental Dioxins monitoring technical specification
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Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
HJ 916-2017	679	Add to Cart	5 days	Environmental Dioxins monitoring technical specification	Valid

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Basic data

Standard ID: HJ 916-2017 (HJ916-2017)
Description (Translated English): Environmental Dioxins monitoring technical specification
Sector / Industry: Environmental Protection Industry Standard
Classification of Chinese Standard: Z05
Word Count Estimation: 28,238
Date of Issue: 2017-12-28
Date of Implementation: 2018-04-01
Regulation (derived from): Ministry of Environmental Protection Bulletin 2017 No. 85
Issuing agency(ies): Ministry of Ecology and Environment

HJ 916-2017: Environmental Dioxins monitoring technical specification

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
People's Republic of China national environmental protection standards Environmental Dioxins monitoring technical specification 2017-12-28 Published 2018-04-01 implementation Directory Foreword .ii 1 Scope 1 2 Normative references 1 3 Terms and definitions .2 4 Monitoring technical procedures .3 5 site monitoring requirements .4 6 Quality Assurance and Quality Control .8 7 Monitoring Report .11 8 Waste treatment .11 Appendix A (Normative) Dioxin monitoring object representation .12 Appendix B (informative) Report on the monitoring results of 17 2,3,7,8-chloro-dioxins 15 Appendix C (informative) Dioxin monitoring the basic process 16 Appendix D (Informative) Record Table .17

Foreword

In order to implement the Law of the People's Republic of China on Environmental Protection and the Law of the People's Republic of China on Prevention and Control of Water Pollution, the Chinese people Law of the Republic of China on Prevention and Control of Atmospheric Pollution "and" Law of the People's Republic of China on Prevention and Control of Environmental Pollution by Solid Waste, "which regulates the dioxin in the environment British class monitoring technology and behavior, the development of this standard. This standard specifies the technical requirements for environmental monitoring of dioxins in water, gas, soil, sediment and solid waste. Appendix A of this standard is a normative appendix, Appendix B ~ D are informative appendices. This standard is released for the first time. This standard by the Environmental Protection Department of Environmental Monitoring Division and Science and Technology Standards Division to develop. This standard was drafted. China Environmental Monitoring Station, Zhejiang Provincial Environmental Monitoring Center, Hubei Provincial Environmental Monitoring Center Station and Ministry of Environmental Protection South China Institute of Environmental Science. This standard MEP approved on December 28, This standard since April 1,.2018 come into operation. This standard is interpreted by the MEP. Environmental dioxin monitoring technical specifications

1 scope of application

This standard specifies the technical requirements for the monitoring of dioxins in water, gas, soil, sediment and solid waste, including monitoring Procedures, monitoring site, laboratory analysis, personnel requirements, report preparation, quality assurance and quality control, waste disposal and other technical requirements. This standard applies to environmental investigations, environmental impact assessment of construction projects, environmental acceptance of construction projects completed, supervisory monitoring And commissioned monitoring and other monitoring process of dioxin monitoring. Dioxins in pollution accidents emergency monitoring can refer to the implementation of this standard.

2 Normative references

This standard references the following documents or the terms. For undated references, the effective version applies to this standard. Pulp and paper industry water pollutant discharge standards Marine monitoring code - Part 3. Sample collection, storage and transport GB 18485 Domestic Waste Incineration Pollution Control Standard GB/T 16157-1996 Determination of particulate matter and gaseous pollutants sampling method in stationary source exhaust HJ 77.1-2008 Water quality - Determination of dioxins - Isotope dilution high resolution gas chromatography - High resolution mass spectrometry HJ 77.2-2008 Ambient air and exhaust - Determination of dioxins - Isotope dilution high resolution gas chromatography - High resolution mass spectrometry HJ 77.3-2008 Solid waste - Dioxins - Determination of dioxins by isotope dilution high-resolution gas chromatography-high resolution mass spectrometry HJ 77.4-2008 Soil and sediment - Determination of dioxins - Isotope dilution high resolution gas chromatography - High resolution mass spectrometry Technical Specification for the Preservation and Management of Water Quality Samples HJ 494-2009 Water quality sampling technical guidance Technical specifications for design of water quality sampling plan HJ 664-2013 Ambient Air Quality Monitoring Technical Specifications (Trial Implementation) Technical specification for sampling and sampling of industrial solid wastes Technical requirements for soot sampler HJ/T HJ/T 55-2000 Technical guidelines for monitoring unorganized emissions of air pollutants HJ/T 75-2007 Fixed Pollutant Source Discharge Continuous Monitoring Technical Specifications (Trial Implementation) Technical Specification for Surface Water and Wastewater Monitoring Technical Specifications for Monitoring Total Amount of Water Pollutants Emission Technical Specification for Groundwater Environmental Monitoring Soil Environmental Monitoring Technical Specifications Technical Specification for Hazardous Waste Identification HJ/T 365-2007 Hazardous waste (including medical waste) Incineration disposal facilities Dioxin emission monitoring technical specifications Stationary source exhaust gas monitoring technical specifications

3 Terms and definitions

The following terms and definitions apply to this standard. 3.1 Dioxins polychlorinated dibenzo-p-dioxins (PCDDs) and polychlorinated dibenzofurans (PCDFs) The generic term for polychlorinated dibenzo-p-dioxins (PCDDs) and polychlorinated dibenzofurans (PCDFs). This standard only For all 2,3,7,8-position chlorine atom-substituted dioxins and the like. Including seven kinds of tetrachloro-octachlorodibenzo-p- Dioxins and 10 kinds of tetrachloro-octachlorodibenzofurans, a total of 17 species, see Appendix A. 3.2 Toxicity equivalency factor (TEF) Ratio of affinity properties of 2,3, 8, 8-tetrachlorodibenzo-p-dioxins to Ah receptors for each dioxin analogue. 3.3 Toxicity equivalent concentration toxicity equivalency quantity (TEQ) Concentrations of dioxin-like congeners were converted into equivalent concentrations of 2,3,7,8-tetrachlorodibenzo-p-dioxin toxicity, toxic The equivalent concentration is the product of the measured concentration and the equivalent equivalent toxicity factor. Dioxin toxic equivalent concentration for all seizures Measure the concentration of toxic equivalent concentrations of similar substances, calculate the equivalent concentration of dioxins by the following formula. TEQ   (Dioxin congeners concentration  TEF) (1) 3.4 Standard condition standard condition The gas temperature is 273.15 K and the atmospheric pressure is 101.325 kPa. 3.5 Instantaneous water sample Samples taken randomly from the water discontinuity are called instantaneous water samples. 3.6 Integrated water sample Instantaneous water samples taken simultaneously from different sampling points are mixed into one sample (time should be as close as possible to get Needed information), called integrated water samples. 3.7 Equal time of mixed sample Means the collection of water samples of equal volume at equal time intervals at the same sampling point within a certain period of time. 3.8 Sediment sediment Surface particles or particles by a variety of water washed into the water after the settlement process eventually in the bottom of the water Deposition, the formation of sediment.

4 monitoring technical procedures

4.1 preparation stage 4.1.1 Pre-investigation Before monitoring, through the consultation, research and field surveys, etc. necessary to collect information for monitoring purposes and monitoring The current status of the surrounding environment, to confirm the sampling site conditions are in line with the requirements of this standard. 4.1.2 equipment preparation Prepare related equipment as required to ensure good operation and meet monitoring requirements. 4.1.3 Security Dioxin monitoring activities should pay attention to personnel safety and avoid accidents. 4.2 Monitoring program Monitoring programs include project overview, monitoring purposes, monitoring points, monitoring frequency and monitoring time, monitoring staff arrangements, Contact information, sampling methods and analytical methods, quality assurance measures, report preparation requirements. 4.3 site monitoring 4.3.1 on-site monitoring Surveillance sampling point overview of the surrounding environment, sources of emissions and so on. Detailed record of the site monitoring results. 4.3.2 field measurement Actual measurement of meteorological, hydrological, working conditions and other parameters, fill in the sampling record measurement results. 4.3.3 site sampling On-site monitoring and on-site measurement is completed, the scene sampling. 4.4 Sample Storage and Transportation Samples should be sealed dark to save transportation, sample processing and analysis as soon as possible. 4.5 Laboratory Analysis After the sample is transferred, the laboratory analysis is completed after preparation, extraction, purification, concentration and instrument testing. 4.6 report preparation According to the monitoring program, prepare the monitoring report.

5 site monitoring requirements

5.1 Water and Wastewater 5.1.1 Monitoring point layout Surface water monitoring section laying principles, setting methods, set the number of reference to HJ/T 91-2002 4.1 and HJ 495-2009 in the relevant requirements of 5.2. For surface water dioxin monitoring, if each monitoring section is upsampled Vertical number of more than 1, each vertical line on the number of sampling points more than 1, respectively, the same cross-section of each vertical and vertical sampling Samples of the instantaneous water samples, according to the proportion of equal volume mixed into a comprehensive water sample. Groundwater monitoring network layout principles, laying requirements, monitoring points (monitoring wells) to set methods and monitoring wells and construction Management reference HJ/T 164-2004 2.1 ~ 2.3 in the relevant requirements. Waste water point layout principle and point setting with reference to HJ/T 91-2002 in 5.1, HJ/T 92-2002 5.1 ~ 5.3 and HJ 495-2009 8.1 in the relevant requirements, the sampling of dioxins in wastewater should be located in the workshop or workshop treatment facilities emissions mouth. 5.1.2 sampling time and sampling frequency Surface water sampling time and sampling frequency refer to HJ/T 91-2002 in 4.2.1, 4.2.2 and HJ 495-2009 in 10.2; Groundwater sampling time and sampling frequency refer to HJ/T 164-2004; Wastewater sampling time and sampling frequency refer to HJ/T 91-2002 In 5.2.1, 6.1 ~ 6.2 in HJ/T 92-2002, 10.3 in HJ 495-2009 and 5.3 in GB 3544-2008. Different water quality types, with the lowest sampling frequency, to obtain the most representative samples. 5.1.3 sampling method Surface water sampling method reference HJ/T 91-2002 in 4.2.3 and HJ 494-2009 4.1 ~ 4.3; groundwater sampling method Reference HJ/T 164-2004 3.2 and HJ 494-2009 in 4.5; Wastewater sampling method with reference to HJ/T 92-2002 in 6.3, HJ/T 91-2002 in 5.2.2 and HJ 494-2009 in 4.7.2. Sampling tools and containers should be used for dioxin-free adsorption Materials used, such as stainless steel, PTFE or glass, before use to use methanol or acetone and toluene or dichloromethane sufficient Cleaning. After the water samples collected in the field extraction or back to the laboratory analysis. For industrial wastewater, if the sewage treatment unit production process is continuous and stable, sewage treatment facilities and normal operation Or have a regulatory pool so that wastewater can be discharged steadily, you can adopt instantaneous water samples; if the sewage production process units with intermittent Sex or stage, then the collection of isochronous mixed water samples, mixed samples of sampling times shall not be less than twice. Sample size is not for a single sample Less than 5 L. 5.1.4 Sampling considerations 1) Samples should not be stirred underwater sediment, should pay attention to remove debris on the surface of the water, garbage and other floating objects. 2) Sampling should be used to locate the positioning device to ensure the accuracy of the sampling point. 3) Seriously fill in the water quality sampling records, including the sampling time, location, sample number, sample appearance, sample Variety, water temperature, weather and other parameters. 4) If you need to collect and enrich the water sample in the field, you need to add the sampling internal standard and record the internal standard name and Tim Add amount. 5.2 Ambient air 5.2.1 Sampling instruments and materials The technical parameters of the sampling instrument refer to 6.1.1 in HJ 77.2-2008. Ambient air samples collected using quartz fiber membrane and polyurethane foam (PUF) material, the technical parameters And treatment methods see HJ 77.2-2008 5.13 and 5.14. 5.2.2 Ambient Air Quality Monitoring 1) Surrounding monitoring points should be relatively stable, with stable and reliable power supply. Monitoring equipment around the sampling port is not There may be high buildings, trees or other obstructions that impede the flow of ambient air. The surrounding water level should be at least 270 ° Capture space; if the sample port on the side near the building, the surrounding water level should have more than 180 ° of free space. 2) The use of the region's perennial wind direction, meteorological data and regional size, functional categories and other factors to simulate the calculation of pollutant diffusion, Migration and transformation rules, forecast pollution distribution, determine the dioxin monitoring points. The number of monitoring points depends on the monitoring area The size of the area and the change of regional ambient air are reasonably determined. Sample collection flow can refer to HJ 77.2-2008 6.1 and GB 18485, the choice of flow does not exceed 1000 L/min. 3) Each monitoring point should take 7 days for each monitoring sample, and the sampling time per day should not be less than 18 hours. Such as No significant source of dioxin emissions in the monitoring area can reduce the frequency of monitoring, each monitoring point for not less than 3 d. Pre-Tim sample Plus sampling internal standard. 5.2.3 Fixed emission sources surrounding environmental quality monitoring In principle, the monitoring points are set on the upper and lower wind direction of the dominant and second dominant wind directions. If there are environmentally sensitive areas in the monitoring area, Monitoring points should be added at environmentally sensitive sites. Each monitoring point collection of not less than 3 d. Sampling methods and sampling time reference environment Air quality monitoring (5.2.2) of the relevant requirements. 5.2.4 Road traffic point monitoring For road traffic points, the general should be on the leveled side of the lane, according to the size of traffic flow, lane on both sides of the terrain, built The distribution of buildings and other locations to determine the location of road traffic points, the sampler from the road edge shall not exceed 20 m. Sampling methods And sampling time, refer to the relevant requirements of ambient air quality monitoring (5.2.2). 5.2.5 Background point monitoring Background points should be far away from the city built-up areas and major sources of pollution, set in a clean area from the impact of human activities, the background point The altitude should be appropriate. In mountainous areas should be located at a local high, to avoid interference from local air pollutants and near-surface inversion Layer and other local weather conditions; in a gentle area should be maintained in a relatively open high ground to avoid the deposition of air depression. Sampling methods and sampling time, with reference to the relevant requirements of ambient air quality monitoring (5.2.2). 5.2.6 Sampling records Including meteorological conditions, environmental conditions, coordinates of monitoring sites, unorganized emissions, emission source altitude, sampling volume, Sampling time, sampling equipment operating conditions and other information, the abnormal occurrence of the sampling period should be specially marked. Sampling records should be Fill the site, record information should be signed to confirm. 5.3 Exhaust gas 5.3.1 Sampling instruments and sampling materials Use to meet the technical requirements of 6.1.2 HJ 77.2-2008 or HJ/T 365-2007 Appendix B of the exhaust gas Dioxin sampling. Sampling material technical parameters and treatment methods see HJ 77.2-2008 5.13 and 5.14. 5.3.2 Monitoring platform and sampling hole Monitoring platform and sampling holes in accordance with GB/T 16157-1996 4.2 sampling location and sampling point set. Monitor flat Taiwan's fence height of not less than 1.1 m, sampling platform area of not less than 4 m2. Sampling hole diameter of not less than 80 mm. When monitoring When the platform is 5 m above the ground, there should be a Z-ladder, a ladder or a lift leading to the monitoring platform. 5.3.3 Monitoring location selection According to GB/T 16157-1996 4.2 or HJ/T 397-2007 Chapter 5 of the laying of the monitoring location, monitoring Location should give priority to the vertical flue. Sampling conditions can not meet the requirements of GB/T 16157-1996 or HJ/T 397-2007, Sampling location should be selected in the longer straight section of the flue, and the elbow or variable section of the distance not less than 1.5 times the flue equivalent straight Diameter, flue equivalent diameter calculation formula see GB/T 16157-1996 in 4.2.1. 5.3.4 Sampling mode Dioxin sampling of exhaust gas is preferred to use porous multi-point constant-velocity tracking sampling; on-site sampling conditions can not meet the porous multi-point Constant velocity tracking sampling, you can use single-hole multi-point constant velocity tracking sampling. Flue sampling point within the reference layout GB/T 16157-1996 or HJ/T 397-2007. Stable conditions of pollution sources, can choose to predict the flow rate sampling. Unable to achieve constant speed sampling, you can use constant current sampling. In the exhaust gas purification system front-end sampling, the smoke content may be larger, can take to replace the cartridge or additional smoke collection device To ensure continuous sampling. 5.3.5 adsorption device temperature control During sampling, the temperature of the PM collection unit should be kept above the dew point of the exhaust gas. If the temperature of the exhaust gas is below the dew point, The particulate matter collection unit should be heated. When the exhaust gas temperature is too high, the exhaust gas entering the sampling system needs to be cooled down. Exhaust gas in the gas collection unit should be immersed in an ice water bath or cooling cycle device into the gas adsorption column flue gas into Line cooling, gas adsorption column temperature should be maintained below 30 ℃. Sampling process gas adsorption column should be protected from light. 5.3.6 Sample quantity and sampling time According to the construction project completion and acceptance of environmental protection, supervisory monitoring, commissioned monitoring needs to determine the sampling period, weekly Not less than 3 samples collected. In order to avoid short-term unstable conditions on the monitoring results have an impact, for continuous operation set Shi, a single sample collection time of not less than 2 ......

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