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GB 31648-2025: National food safety standard - Code for pollution control of dioxins and polychlorinated biphenyls in food Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedure Status: Valid
GB 31648-2025: National food safety standard - Code for pollution control of dioxins and polychlorinated biphenyls in food---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GB31648-2025 GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA National food safety standard - Standard for control of dioxins and polychlorinated biphenyls contamination in food Issued on: MARCH 16, 2025 Implemented on: MARCH 16, 2026 Issued by. National Health Commission of the People’s Republic of China; State Administration for Market Regulation. Table of Contents1 Scope... 3 2 Terms and definitions... 3 3 Edible agricultural product production environment... 4 4 Feed for food animals... 5 5 Food processing... 5 6 Food storage and transportation... 6 Annex A Monitoring requirements for dioxins and polychlorinated biphenyls... 7 Annex B Toxic equivalent factors for dioxins and their analogs... 9 National food safety standard - Standard for control of dioxins and polychlorinated biphenyls contamination in food1 ScopeThis Standard specifies the basic requirements and management criteria for control of dioxins and polychlorinated biphenyls in food in links such as edible agricultural product production environment, feed for food animals, food processing, storage, transportation. This Standard applies to the control of dioxins and polychlorinated biphenyls contamination in food.2 Terms and definitionsFor the purpose of this document, the following terms and definitions apply. 2.1 Food animals Any animal that is used for human consumption or whose products are intended for human consumption. 2.2 Dioxins (PCDD/Fs) A general term for polychlorinated dibenzo-p-dioxins (PCDDs) and polychlorinated dibenzofurans (PCDFs). 2.3 Polychlorinated biphenyls (PCBs) A general term for compounds in which the hydrogen atoms on the benzene ring of diphenyl are replaced by chlorine atoms, including dioxin-like polychlorinated biphenyls and non-dioxin-like polychlorinated biphenyls. 2.4 Dioxin-like polychlorinated biphenyls (DL-PCBs) Compounds with dioxin-like toxicological properties among polychlorinated biphenyls, including non-ortho- and mono-ortho-substituted polychlorinated biphenyls. 2.5 Non-dioxin-like polychlorinated biphenyls All compounds other than dioxin-like polychlorinated biphenyls are collectively referred to as non-dioxin-like polychlorinated biphenyls. 2.6 Indicator polychlorinated biphenyls (indicator PCBs) Substances in polychlorinated biphenyls that can represent the contamination characteristics of this type of compounds. 2.7 Dioxins and their analogs A general term for compounds with similar toxicological properties in PCDD/Fs and PCBs. 2.8 Toxic equivalent factor (TEF) A coefficient obtained by comparing the toxicity of a certain dioxin and its analogs with the toxicity of 2,3,7,8-tetrachlorodibenzodioxin (TCDD), representing the relative toxicity of the dioxin and its analogs. 2.9 Toxic equivalent (TEQ) The relative toxicity value calculated by multiplying the mass concentration of dioxins and their analogs by their TEF.3 Edible agricultural product production environment3.1 The planting environment (including soil, air and irrigation water) of edible plants shall avoid contamination by dioxins and polychlorinated biphenyls. If there are emission sources such as steel smelting, recycled non-ferrous metal smelting, waste incineration, pulp and paper making, cremation of remains, and production of specific organic chlorinated industrial products around the planting environment of edible plants, it shall strengthen the monitoring of dioxins and polychlorinated biphenyls. 3.2 Sludge used in agricultural production shall avoid contamination by dioxins and polychlorinated biphenyls. If contaminated, it shall take appropriate measures to dispose of it and reduce its possible risks. 3.3 Soil in land used for food animal breeding shall avoid contamination by dioxins and polychlorinated biphenyls. Food animal breeding shall be avoided as much as possible in outdoors in contaminated areas. 3.4 It shall carry out dioxins and polychlorinated biphenyls monitoring in the breeding environment (air, soil, water) near typical dioxins and polychlorinated biphenyls emission areas (such as electronic waste dismantling sites, etc.). 3.5 During the breeding process of food animals, it should reduce contact with wooden building materials and related products (such as wood shavings, sawdust, etc.) containing dioxins and polychlorinated biphenyls. Sawdust containing dioxins and polychlorinated biphenyls shall not be used in the breeding process. 3.6 Fishery production areas shall avoid contamination by dioxins and polychlorinated biphenyls. It should regularly monitor sediments and aquatic animals in fishing and breeding areas, identify high-risk areas and contaminated aquatic products, and determine areas or aquatic products where fishing is prohibited based on the monitoring results. 3.7 It shall carry out dioxins and polychlorinated biphenyls monitoring for inputs in the planting and breeding process to reduce contamination caused by inputs such as pesticides that may contain dioxins and polychlorinated biphenyls. 3.8 It shall carry out dioxins and polychlorinated biphenyls monitoring for soil, water and sediments in the planting and breeding areas that may have contamination risks in 3.1, such as soil in free-range laying hen breeding areas, soil in cattle and sheep breeding areas, and water and sediments in waterfowl breeding areas. 3.9 For monitoring requirements for dioxins and polychlorinated biphenyls in the edible agricultural product production environment, refer to Annex A.4 Feed for food animals4.1 It should analyze the possible contamination links in the feed supply process for food animals and identify the sources of contamination of feed with higher risk of dioxins and polychlorinated biphenyls contamination. 4.2 The production of feed for food animals shall comply with relevant regulations such as GB 13078.Feed suppliers shall provide product qualification certificates and, if necessary, relevant information on the source of feed raw materials. 4.3 It should carry out dioxins and polychlorinated biphenyls monitoring for feed (fish meal, oil, silage, etc.) that may be contaminated, as well as trace elements (copper sulfate, etc.), minerals (montmorillonite, etc.), industrial synthetic feed additives (vitamin E oil, etc.). For monitoring requirements, see Annex A.5 Food processing5.1 It shall comply with the provisions of GB 14881 and other relevant hygiene regulations. 5.2 Raw materials for food processing shall avoid coming from areas contaminated by dioxins and polychlorinated biphenyls. For animal-derived raw materials used for processing, peeling, defatting or partial defatting can be used to reduce the content of dioxins and polychlorinated biphenyls when necessary. 5.3 For equipment that is prone to produce oil stains and frying residues during food processing, such as frying equipment, smoking equipment, baking equipment, etc., theyAnnex AMonitoring requirements for dioxins and polychlorinated biphenyls A.1 Laboratory requirements A.1.1 The analytical methods and laboratory requirements for dioxins and polychlorinated biphenyls shall comply with relevant standards. A.1.2 It shall formulate effective quality control measures to ensure the accuracy of the analytical results of dioxins and polychlorinated biphenyls. A.2 Sample requirements A.2.1 The collected samples shall be representative, effective and traceable; it shall avoid cross contamination, prevent sample deterioration, and comply with the requirements of relevant standards. A.2.2 It shall make relevant sample collection records, including sampling date, geographical location, sample type, quantity, etc. A.2.3 Samples shall be placed in packaging containers that will not react with dioxins and polychlorinated biphenyls, and the containers shall have been cleaned with chemical solvents or confirmed to be clean and not contaminated by dioxins and polychlorinated biphenyls. A.2.4 Foods that are easily perishable shall be stored and transported under appropriate conditions. A.3 Analytical method requirements A.3.1 The analytical method shall meet the minimum requirements of the analytical objectives. If used for qualification determination, the quantitative limit of the method shall be lower than one-fifth of the standard limit value; if used to evaluate the trend of the content of dioxins and polychlorinated biphenyls in samples over time, the quantitative limit of the method shall be lower than the background value in different matrix samples. A.3.2 The analytical method shall meet the requirements of the analytical purpose. For example, when the test results are 0.5 times, 1 times and 2 times the limit value, the coefficient of variation after repeated analysis is within the acceptable range. For foods and feeds with a concentration of dioxins and their analogs of about 1 pg of WHO- TEQ/g (fat basis), the difference between the upper and lower limit levels shall not exceed 20 %. A.4 Result reporting ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al. Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of English version of GB 31648-2025 be delivered?Answer: The full copy PDF of English version of GB 31648-2025 can be downloaded in 9 seconds, and it will also be emailed to you in 9 seconds (double mechanisms to ensure the delivery reliably), with PDF-invoice.Question 2: Can I share the purchased PDF of GB 31648-2025_English with my colleagues?Answer: Yes. The purchased PDF of GB 31648-2025_English will be deemed to be sold to your employer/organization who actually paid for it, including your colleagues and your employer's intranet.Question 3: Does the price include tax/VAT?Answer: Yes. 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