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HJ 568-2010 English PDF

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HJ 568-2010: Farmland environmental quality evaluation standards for livestock and poultry production
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HJ 568-2010English399 Add to Cart 3 days [Need to translate] Farmland environmental quality evaluation standards for livestock and poultry production Valid HJ 568-2010

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Standard similar to HJ 568-2010

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Basic data

Standard ID HJ 568-2010 (HJ568-2010)
Description (Translated English) Farmland environmental quality evaluation standards for livestock and poultry production
Sector / Industry Environmental Protection Industry Standard
Classification of Chinese Standard Z00
Classification of International Standard 13.020
Word Count Estimation 15,121
Date of Issue 2010-04-16
Date of Implementation 2010-07-01
Quoted Standard GB 3095; GB 3096; GB 6920; GB 7467; GB 7468; GB 7469; GB 7470; GB 7471; GB 7472; GB 7475; GB 7480; GB 7484; GB 7485; GB 7489; GB 7492; GB 7494; GB 7959; GB 8172; GB 11890; GB 11891; GB 11893; GB 11896; GB 11898; GB 11899; GB 11901; GB 11902; GB 11914; GB 13195; GB/T 5750; GB/T 13896; GB/T 14550; GB/T 14669; GB/T 14675; GB/T 14678; GB/T 16488; GB/T 16489; GB/T 17134; GB/T 17135; GB/T 17136; GB/T 17138; GB/T 17139; GB/T 17140; GB/T 17141; GB/T 17824.4; GB/T 18204.24; HJ 484; HJ 485; HJ 486; HJ 487; HJ 488; HJ 491; HJ 502; HJ 503; HJ 505; HJ 506; HJ 533; HJ 534; HJ/T 49; HJ/T 50; HJ/T 51; HJ/T 60; HJ/T 91; HJ/T 164; HJ/T 166; HJ/T 193; HJ/T 194; HJ/T 195; HJ/T 200; HJ/T 342; HJ/T 343; HJ/T 346; HJ/T 347; H
Regulation (derived from) Department of Environmental Protection Notice No. 39 of 2010
Issuing agency(ies) Ministry of Ecology and Environment
Summary This standard specifies the various types of livestock origin water quality, soil quality, ambient air quality and acoustic environment quality evaluation index, limits, monitoring and evaluation. This standard applies to the national livestock and poultry farms, breeding areas, grazing areas breeding ground Environmental Quality Assessment and Management. This standard only applies to legally permissible livestock and poultry farms, livestock breeding areas and grazing areas. This standard does not apply to the production of livestock and poultry product processing environment quality evaluation and management.

HJ 568-2010: Farmland environmental quality evaluation standards for livestock and poultry production


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Farmland environmental quality evaluation standards for livestock and poultry production National Environmental Protection Standard of the People's Republic Animal and poultry breeding environment environmental assessment norms Farmland environmental quality evaluation standards for livestock and Poultry production Published on.2010-04-16 2010-07-01 Implementation Ministry of Environmental Protection released Ministry of Environmental Protection announcement No. 39 of.2010 In order to implement the "Environmental Protection Law of the People's Republic of China", prevent and control environmental pollution, protect human health, and protect the ecological environment, we now approve the animal The Code for Environmental Assessment of Poultry Breeding Areas is a national environmental protection standard and is issued. The standard name and number are as follows. The standard has been implemented since July 1,.2010 and published by the China Environmental Science Press. The standard content can be found on the website of the Ministry of Environmental Protection. Special announcement. April 16,.2010

Content

Foreword..iv 1 Scope..1 2 Normative references..1 3 Terms and Definitions.3 4 Evaluation index limit 3 5 Pollutant monitoring requirements..6 6 Environmental quality assessment methods.8 7 Implementation and supervision of standards..10 Iv

Foreword

To implement the "Environmental Protection Law of the People's Republic of China", implement the State Council's spirit of protecting the quality and safety of agricultural products, and prevent environmental pollution Dyeing, protecting human health, protecting the ecological environment, and developing this standard. This standard is one of the evaluation criteria for the environment of edible agricultural products. The environmental protection department at or above the county level is in the environmental supervision of edible agricultural products. In the work, the environmental conditions of the edible agricultural products can be evaluated by referring to the indicators and monitoring and evaluation methods in the series of standards. This standard serves as a technical specification for evaluating environmental conditions, mainly based on the Ambient Air Quality Standard (GB 3095) and Acoustic Environmental Quality. Environmental quality standards such as Standard (GB 3096), Farmland Irrigation Water Quality Standard (GB 5084), and Soil Environmental Quality Standard (GB 15618) Accurate and environmental requirements in relevant standards such as livestock and poultry breeding standards, and put forward environmental quality indicators for livestock and poultry breeding areas, Monitoring and evaluation methods have been established. This standard was formulated by the Science and Technology Standards Department of the Ministry of Environmental Protection. This standard is mainly drafted by. Beijing University of Aeronautics and Astronautics, Beijing Normal University. This standard was approved by the Ministry of Environmental Protection on April 16,.2010. This standard has been implemented since July 1,.2010. This standard is explained by the Ministry of Environmental Protection. Animal and poultry breeding environment environmental assessment norms

1 Scope of application

This standard specifies the water environmental quality, soil environmental quality, ambient air quality and acoustic environmental quality evaluation of various livestock and poultry breeding areas. Standards, limits, monitoring and evaluation methods. This standard is applicable to the environmental quality assessment and management of aquaculture farms, breeding communities and grazing areas in China. This standard only applies to livestock and poultry farms, livestock and poultry breeding areas and grazing areas permitted by law. This standard does not apply to the environmental quality assessment and management of livestock and poultry products processing and production sites.

2 Normative references

The contents of this standard refer to the following documents or their terms. For undated references, the valid version applies to this standard. quasi. GB 3095 Ambient Air Quality Standard GB 3096 Acoustic Environmental Quality Standard GB 6920 Determination of pH of water - Glass electrode method GB 7467 -- Determination of hexavalent chromium -- Dibenzoyl hydrazide spectrophotometric method GB 7468 -- Determination of total mercury in water -- Cold atomic absorption spectrophotometric method GB 7469 Determination of total mercury in water -- Potassium permanganate - potassium persulfate digestion method - Dithizone 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 7480 - Determination of nitrate nitrogen - phenol disulfonic acid spectrophotometric method GB 7484 Determination of fluoride in water quality - Ion selective electrode method GB 7485 -- Determination of total arsenic in water - s. GB 7489 Determination of dissolved oxygen in water - Iodometric method GB 7492 Water quality hexachlorocyclohexane, determination of DDT - Gas chromatography Water quality -- Determination of anionic surfactants -- Determination of methylene blue spectrophotometric method GB 7959 fecal harmless hygiene standard GB 8172 Urban Waste Agricultural Control Standard GB 11890 Water quality - Determination of benzene series - Gas chromatography Determination of Kjeldahl nitrogen in water quality GB 11891 GB 11893 Determination of total phosphorus in water - Ammonium molybdate spectrophotometric method GB 11896 Determination of chlorides - Determination of silver nitrate titration GB 11898 Determination of free chlorine and total chlorine -- Determination of N,N-diethyl-1,4-phenylenediamine spectrophotometric method GB 11899 Determination of sulfate in water quality GB 11901 Determination of suspended solids by weight method GB 11902 Determination of selenium in water - 2, 3- dinaphthalene GB 11914 Determination of chemical oxygen demand in water - Dichromate method GB 13195 Determination of water quality and water temperature Thermometer or reverse thermometer method GB/T 5750 Standard for the inspection of sanitary standards for drinking water GB/T 13896 Determination of lead in water quality by polarography GB/T 14550 Determination of soil quality BHC and DDT - Gas chromatography GB/T 14669 Determination of air quality ammonia - Ion selective electrode method GB/T 14675 Air quality odor determination three-point comparison odor bag method GB/T 14678 Determination of air quality hydrogen sulfide, methyl mercaptan, methyl sulfide and dimethyl disulfide - Gas chromatography GB/T 16488 -- Determination of petroleum and animal oils GB/T 16489 Determination of sulphide content -- Methylene blue spectrophotometric method GB/T 17134 Determination of total arsenic in soil quality - Diethyldithiocarbamate silver spectrophotometric method GB/T 17135 Determination of total arsenic in soil quality - Potassium borohydride - silver nitrate spectrophotometric method GB/T 17136 Determination of total mercury in soil mass - Cold atomic absorption spectrophotometric method GB/T 17138 Determination of copper and zinc - Flame atomic absorption spectrophotometric method GB/T 17139 Determination of nickel in soil quality - Flame atomic absorption spectrophotometric method GB/T 17140 Determination of lead and cadmium in soil quality KI-MIBK extraction flame atomic absorption spectrophotometric method GB/T 17141 Determination of lead and cadmium content by graphite furnace atomic absorption spectrophotometric method GB/T 17824.4 Medium and small intensive pig farm environmental parameters and environmental management GB/T 18204.24 Method for determination of carbon dioxide in air of public places 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 - Fluor HJ 491 Determination of total chromium in soil quality - Flame atomic absorption spectrophotometric method HJ 502 Determination of volatile phenols in water HJ 503 Determination of volatile phenols in water - 4-aminoantipyline spectrophotometric method HJ 505 Water quality five-day biochemical oxygen demand (BOD5) determination dilution and inoculation method HJ 506 Determination of dissolved oxygen in water - Electrochemical probe method HJ 533 Determination of ambient air and exhaust ammonia - Nessler reagent spectrophotometry HJ 534 Determination of ambient air ammonia - Sodium hypochlorite - salicylic acid spectrophotometric method HJ/T 49 Determination of boron in water quality - Curcumin spectrophotometric method HJ/T 50 Water quality - Determination of trichloroacetaldehyde - Pyrazolone spectrophotometric method HJ/T 51 Determination of the total salt content of water HJ/T 60 Determination of water quality sulfides - Iodometric method HJ/T 91 Surface Water and Wastewater Monitoring Technical Specifications HJ/T 164 Technical Specifications for Groundwater Environmental Monitoring HJ/T 166 Technical Specifications for Soil Environmental Monitoring HJ/T 193 Technical Specifications for Automatic Monitoring of Ambient Air Quality HJ/T 194 Technical Specifications for Manual Air Quality Monitoring HJ/T 195 Determination of ammonia nitrogen in water quality - Gas chromatography HJ/T 200 Determination of water quality sulfides HJ/T 342 Determination of sulphate sulphate spectrophotometric method (Trial) HJ/T 343 Determination of Chloride in Water - Mercury Mercury Titration (Trial) HJ/T 346 Determination of nitrate nitrogen - Ultraviolet spectrophotometric method (Trial) HJ/T 347 Determination of water-based fecal coliforms - Multi-tube fermentation method and membrane method (Trial) HJ/T 399 Water quality chemical oxygen demand determination - Rapid digestion spectrophotometric method

3 Terms and definitions

The following terms and definitions apply to this standard. 3.1 Livestock and poultry farm livestock and poultry farm Refers to the place where the livestock and poultry breeding activities are carried out, and the inventory amount meets the standards for large-scale farming stocks stipulated by the provincial people's government. 3.2 Livestock and poultry area It refers to the principle of centralized construction of livestock and poultry housing and household households in captivity, in accordance with the principle of separation of livestock and poultry breeding places and residential areas. Demarcated by the local people's government, village committees, rural collective economic organizations, animal husbandry cooperative economic organizations, or specialized in livestock and poultry production Leading enterprises in production and operation are set up in accordance with relevant regulations, and are engaged in livestock and poultry breeding activities and their stocks meet the requirements of the provincial people's government. The area of large-scale farming stock standards. 3.3 Pasturing area Refers to the pastoral method of grazing, and has been approved by the relevant departments at the provincial and ministerial levels. 3.4 Living area for livestock and poultry Refers to the semi-enclosed living area where livestock and poultry are located, that is, the living environment area directly of livestock and poultry. 3.5 Field field Refers to the area outside the fence or wall of the livestock farm and the area outside the house. 3.6 Production water Refers to the washing of equipment and sites during livestock and poultry breeding, water for heating (cooling) and clean water for livestock and poultry, excluding product plus Work water. 3.7 Standard state It refers to the state when the temperature is 273 K and the pressure is 101.325 kPa.

4 Evaluation index limits

4.1 Water environmental quality assessment index limits 4.1.1 The limits of irrigation water quality assessment indicators in grazing areas shall be as specified in Table 1. Table 1 Limits of water quality assessment indicators for irrigated areas Serial number evaluation index index limit unit 1 pH value 5.5~8.5 Dimensions is one 2 water temperature 35 °C 3 suspended matter.200 Mg/L 4 Biochemical Oxygen Demand (BOD5) 150 5 Chemical Oxygen Demand (CODCr) 300 6 Kjeldahl nitrogen 30 7 Total phosphorus (in P) 10 8 Anionic Surfactant (LAS) 8.0 9 chloride 250 10 sulfide 1.0 11 Fluoride 3.0 12 cyanide 0.5 13 Full salt quantity 2 000 (saline-alkali land), 1 000 (non-salt alkaline soil area) 14 Petroleum 10 15 volatile phenol 1.0 16 benzene 2.5 17 trichloroacetaldehyde 0.5 18 acrolein 0.5 19 Boron 3.0 20 cadmium 0.005 21 zinc 2.0 22 Selenium 0.02 23 lead 0.1 24 copper 1.0 25 mercury 0.001 26 chromium (VI) 0.1 27 arsenic 0.1 28 fecal coliforms 10 000/L 29 Locust eggs 2 4.1.2 The limits for the evaluation index of drinking water quality of livestock and poultry should be as specified in Table 2. Table 2 Limits of water quality assessment indicators for livestock and poultry Serial number evaluation index index limit unit livestock 1 color 30 degrees 2 turbidity 20 3 smell and taste must not have odor, odor - 4 pH value 5.5～9.0 6.5～8.5 Dimension is one 5 Total hardness (calculated as CaCO3) 1 500 Mg/L 6 Total dissolved solids 4 000 2 000 7 Sulfate (as SO42−) 500 250 8 Fluoride (in F−) 2.0 2.0 9 cyanide 0.20 0.05 10 arsenic 0.20 0.20 11 Mercury 0.01 0.001 12 lead 0.10 0.10 13 Chromium (VI) 0.10 0.05 14 Cadmium 0.05 0.01 15 Nitrate (in N) 10.0 3.0 Continued Serial number evaluation index index limit unit livestock 16 six six six 0.005 Mg/L 17 DDT 0.001 18 Dimethoate 0.08 19 Dichlorvos 0.001 20 total coliforms 100 (adult) 3 (young) 3/L 4.1.3 When livestock and poultry farms and breeding communities use recycled water as production water, the limits of water quality assessment indicators for production water shall be implemented in Table 3. Provisions. Table 3 Limits of water quality evaluation indicators for production water in livestock and poultry farms and breeding communities Serial number evaluation index index limit unit 1 pH value 6.0 to 9.0 Dimensions is one 2 sniffing all pleasures - 3 turbidity 10 NTU 4 colors 30 degrees 5 Total dissolved solids 1 500 Mg/L 6 Biochemical Oxygen Demand (BOD5) 15 7 ammonia nitrogen 10 8 Anionic Surfactant (LAS) 1.0 9 dissolved oxygen ≥ 1.0 10 Total residual chlorine contact ≥1.0 after 30 min contact, end of pipe network ≥0.2 11 total coliforms 3/L 4.2 Limits of soil environmental quality assessment indicators The limits of soil environmental quality assessment indicators for grazing areas, livestock and poultry farms and breeding communities shall be as specified in Table 4. Table 4 Limits of soil environmental quality assessment indicators in grazing areas, livestock and poultry farms and breeding communities. mg/kg No. Evaluation index Soil pH value of farms and breeding plots in grazing areas < 6.5 6.5～7.5 >7.5 1 Cadmium 0.30 0.30 0.60 1.0 2 Mercury 0.30 0.50 1.0 1.5 3 Arsenic 40 30 25 40 4 Copper 150.200.200 400 5 lead 250 300 350 500 6 Chrome 150.200 250 300 7 Zinc.200 250 300 500 8 nickel 40 50 60.200 9 six six six 0.50 1.0 10 DDT 0.50 1.0 11 Number of parasite eggs in soil/(pieces/kg) 10 10 Note 1. Heavy metal chromium (mainly trivalent) and arsenic are based on elemental weight, suitable for soils with cation exchange capacity >5 cmol( )/kg, if ≤5 cmol( )/kg, Its standard value is half of the value in the table. Note 2. 666 is the total amount of four isomers, and DDT is the total amount of the four derivatives. 4.3 Ambient air quality assessment index limits 4.3.1 The limits of environmental air quality assessment indicators for livestock and poultry farms and breeding communities shall be as specified in Table 5. Table 5 Limits of environmental air quality assessment indicators for livestock and poultry farms and breeding communities No. Evaluation index value time field unit

1 ammonia

1st average Mg/m3 2 hydrogen sulfide 2 3 carbon dioxide 750 4 Respirable particulate matter 1 5 total suspended particulate matter 2 6 foul odor (dilution factor) 50 4.3.2 The limits of the ambient air quality assessment indicators in the grazing area shall be subject to the provisions of the GB 3095 secondary standard concentration limit. 4.4 Acoustic environmental quality evaluation index limits The limits of acoustic environmental quality assessment indicators for livestock and poultry farms, breeding plots and grazing areas shall be as specified in Table 6. Table 6 Limits of acoustic environmental quality assessment indicators for livestock and poultry farms, breeding communities and grazing areas Nighttime unit 60 50 dB(A)

5 Pollutant monitoring requirements

5.1 Water pollutant monitoring 5.1.1 When monitoring water pollutants, the sampling points and monitoring frequency of the monitoring items shall be in accordance with the provisions of HJ/T 91 and HJ/T 164. 5.1.2 For the determination of water pollutants, the method standards listed in Table 7 are used. Table 7 Analysis methods of water quality evaluation indicators Serial number evaluation index analysis method standard name standard number 1 pH value water quality determination of glass electrode method GB 6920 2 Water temperature, water quality, water temperature measurement, thermometer or inversion thermometer method GB 13195 3 Determination of suspended solids suspended solids - Gravimetric method GB 11901 4 Biochemical Oxygen Demand (BOD5) Water Quality 5-D Biochemical Oxygen Demand (BOD5) Determination Dilution and Inoculation Method HJ 505 5 Chemical oxygen demand - Determination of chemical oxygen demand - Dichromate method GB 11914 Water quality chemical oxygen demand determination Rapid digestion spectrophotometric method HJ/T 399 6 Kjeldahl nitrogen water quality determination of Kjeldahl nitrogen GB 11891 7 Total phosphorus (in terms of P) Determination of total phosphorus in water - Ammonium molybdate spectrophotometric method GB 11893 Anionic surfactants (LAS) - Determination of water quality - Anionic surfactants - Determination of methylene blue spectrophotometric method GB 7494 9 Chloride water quality - Determination of chloride - 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 10 sulfide Water quality - Determination of sulphide - Gas phase molecular absorption spectroscopy HJ/T 200 Water quality - Determination of sulfides - Methylene blue spectrophotometric method GB/T 16489 Water quality - Determination of sulphide - Iodometric method HJ/T 60 Continued Serial number evaluation index analysis method standard name standard number 11 fluoride Water quality - Determination of fluoride - Fluorescence spectrophotometric method HJ 488 Water quality - Determination of fluoride - Ion selective electrode method GB 7484 Determination of fluoride in water quality - Zirconium sulfonic acid zirconium visual colorimetric method HJ 487 12 Cyanide water quality - Determination of cyanide volumetric method and spectrophotometric method HJ 484 13 Determination of total salt content of full salt content - Weight method HJ/T 51 14 Petroleum oils - Determination of petroleum and animal and vegetable oils - Infrared photometric method GB/T 16488 Determination of Volatile Phenols in Volatile Phenols - Determination of Volatile Phenols by 4-Aminopyrines HJ 503 Determination of Volatile Phenols in Water Quality Bromination Capacity Method HJ 502 16 Benzene water quality benzene series determination gas chromatography GB 11890 drinking water standard test method organic matter index GB/T 5750.8 17 Determination of trichloroacetaldehyde - Determination of trichloroacetaldehyde - Pyrazolone spectrophotometric method HJ/T 50 18 Standard Test Method for Acryl Aldehyde Drinking Water Organic Index GB/T 5750.8 19 Determination of boron in boron water quality Curcumin spectrophotometry HJ/T 49 Standard test method for drinking water Standard inorganic non-metallic index GB/T 5750.5 Water quality -- Determination of copper, zinc, lead and cadmium -- Atomic absorption spectrophotometric method GB 7475 Determination of cadmium water - Dithizone spectrophotometric method GB 7471 Zinc - Determination of zinc - Zinc sulphur spectrophotometric method GB 7472 Water quality - Determination of copper, zinc, lead or cadmium atomic absorption spectrophotometric method GB 7475 22 Selenium water quality determination of selenium 2,3-diaminonaphthalene fluorescence method GB 11902 23 lead Water quality - Determination of copper, zinc, lead and cadmium atomic absorption spectrophotometric method GB 7475 Water quality - Determination of lead - Dithizone spectrophotometric method GB/T 7470 Determination of lead in water quality by polarographic method GB/T 13896 24 copper Water quality - Determination of copper, zinc, lead and cadmium atomic absorption spectrophotometric method GB 7475 Water quality - Determination of copper - Diethyldithiocarbamate spectrophotometric method HJ 485 Water quality - Determination of copper 2,9-dimethyl-1,10-phenanthroline spectrophotometric method HJ 486 Mercury -- Determination of total mercury -- Part 2 . Determination of total mercury in water -- Part 7 . Determination of total mercury in water -- Potassium permanganate - potassium persulfate digestion method - Dithizone spectrophotometric method GB 7469 (Chromium (VI) -- Determination of hexavalent chromium - Diphenyl hydrazide spectrophotometric method GB 7467 27 Determination of total arsenic in arsenic -- Determination by mass spectro 28 Fecal coliform counts Water quality fecal coliforms Determination of multi-tube fermentation and membrane method HJ/T 347 29 Locust eggs number urban garbage agricultural control standard GB 8172 Color, smell and taste Standard Test Method for Drinking Water Standards Sensory and Physical Index GB/T 5750.4 Total Turbidity Hardness (calculated as CaCO3) Solubility total solid Standard Test Method for Total Drinking Water of Coliforms in Microorganisms GB/T 5750.12 Determination of sulphate sulphate - Gravimetric method GB 11899 Determination of sulphate sulphate spectrophotometric method HJ/T 342 Determination of nitrate nitrate nitrogen - Determination of nitrate nitrogen - GB 7480 - Determination of nitrate nitrogen - Ultrasonic spectrophotometric method HJ/T 346 33 six six six water quality six six six, the determination of DDT gas chromatography GB 7492 34 DDT quality water hexachlorocyclohexane, determination of DDT gas chromatography GB 7492 35 Lego living drinking water standard test method pesticide index GB/T 5750.9 36 Dichlorvos drinking water standard test method pesticide index GB/T 5750.9 37 Ammonia nitrogen - Determination of ammonia nitrogen - Gas phase molecular absorption spectroscopy HJ/T 195 38 dissolved oxygen - Determination of dissolved oxygen - Iodometric method GB 7489 Determination of dissolved oxygen in water - Electrochemical probe method HJ 506 39 Total residual chlorine drinking water standard test method Disinfectant index GB/T 5750.11 Determination of free chlorine and total chlorine in water quality N, N-diethyl-1,4-phenylenediamine spectrophotometric method GB/T 11898 5.2 Soil monitoring 5.2.1 When monitoring soil contaminants, the sampling points and monitoring frequency of the monitoring items shall be carried out in accordance with the provisions of HJ/T 166. 5.2.2 Determination of soil contaminants using the method criteria listed in Table 8. Table 8 Analysis methods of soil evaluation indicators Serial number evaluation index analysis method standard name standard number 1 Cadmium soil quality Determination of lead and cadmium KI-MIBK extraction flame atomic absorption spectrophotometric method GB/T 17140 Determination of lead and cadmium in soil quality Graphite furnace atomic absorption spectrophotometric method GB/T 17141 2 Mercury soil quality - Determination of total mercury - Cold atomic absorption spectrophotometric method GB/T 17136 3 Determination of total arsenic in the soil quality of arsenic - Determination of total arsenic of diethyldithiocarbamate GB/T 17134 Determination of tot...

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