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乌干达DUS 1862：2026，生物炭-规范，第一版

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世界贸易组织	G/TBT/N/UGA/2392 2026-06-02 26-4033

技术性贸易壁垒	原文：英语

通报

以下通报根据TBT协定第10.6条分发

1.	通报成员: 乌干达如可能，列出涉及的地方政府名称 ( 3.2条和7.2 条)：
2.	负责机构：乌干达国家标准局地址：Bweyogerere 工业与商业园，ByPass Link 2-12 号地块邮政信箱：6329，坎帕拉，乌干达电话：+(256) 4 1733 3250/1/2 传真：+(256) 4 1428 6123 电子邮箱：info@unbs.go.ug 网站：https://www.unbs.go.ug
3.	通报依据条款： [X] 2.9.2 [ ] 2.10.1 [X] 5.6.2 [ ] 5.7.1 [ ] 3.2 [ ] 7.2 通报依据的条款其他：
4.	覆盖的产品：化肥（HS编码：31）；农业（ICS编码：65.080）；生物炭 HS编码：31　　ICS编码：65.080
5.	通报标题： DUS 1862：2026，生物炭-规范，第一版；语言：英语页数：24 链接网址：
6.	内容简述：该乌干达标准草案规定了生物炭的要求、取样和测试方法。该标准适用于生物质在有限氧条件下通过热解或气化等热化学转化过程生产的生物炭。本标准不适用于用作燃料的木炭或由危险或受污染的原料生产的生物炭。注：该乌干达标准草案也已通知SPS委员会。
7.	目标与理由：消费者信息、标签；防止欺诈行为和保护消费者；保护人类健康或安全；保护动物或植物的生命或健康；环境保护；质量要求；协调；减少贸易壁垒，促进贸易
8.	相关文件： AOAC 2006.03，肥料中的砷、镉、钴、铬、铅、钼、镍和硒-微波消解和电感耦合等离子体-光发射光谱法ISO 3310，测试筛-技术要求和测试ISO 7409，肥料-标记-演示和声明ISO 8397，固体肥料和土壤改良剂-测试筛ISO 10390，土壤、处理过的生物废物和污泥-Phi的测定ISO 10694，土壤质量-干燃烧后有机碳和总碳的测定（元素分析）ISO 11047，土壤质量-火焰和电热原子吸收光谱法ISO 11260，土壤质量-使用氯化钡溶液测定有效阳离子交换容量和碱饱和度ISO 11265，环境固体基质-比电导率的测定ISO 11277，土壤质量-比电导率的测定ISO 11277，土壤质量-部分的测定矿物土壤材料中的cle粒度分布-筛分和沉降法ISO 11465，污泥和固体环境基质-干残留物或水含量的测定以及干物质质量分数的计算ISO 12185，原油、石油产品和相关产品-密度的测定-带振荡U型管传感器的实验室密度计ISO 14820-1，肥料和石灰材料-取样和样品制备第1部分：取样ISO 14820-2，肥料和石灰材料-取样和样品制备第2部分：样品制备ISO 16000-13，室内空气第13部分：总（气相和颗粒相）多氯二恶英样联苯（PCBs）和多氯二苯并对二恶英/二苯并呋喃（PCDDs/PCDFs）的测定-吸附剂背衬过滤器上的收集ISO 16649-2，食品和动物饲料的微生物学-β-葡萄糖醛酸酶阳性大肠杆菌计数的水平方法第2部分：使用5-溴-4-氯-3-吲哚基β-D-葡萄糖醛酸苷含量的测定ISO 17318，肥料和土壤改良剂ISO 17828，固体生物燃料-堆积密度的测定ISO 18122，固体生物燃料-灰分含量的测定ISO 18123，固体生物燃料-挥发性物质的测定ISO 18134，固体生物燃料-水分含量的测定ISO 18287，土壤质量。多环芳烃（PAH）的测定。气相色谱质谱检测（GC-MS）ISO 18475，环境固体基质。多氯联苯（PCB）的测定。气相色谱质量选择性检测（GC-MS）或电子捕获检测（GC-ECD）ISO 21527-2，食品和动物饲料微生物学。酵母和霉菌计数的水平法。第2部分：水分活度小于或等于0.95的产品中的菌落计数技术ISO 23646，土壤质量。通过气相色谱和质量选择性检测（GC-MS）和气相色谱和电子捕获检测（GC-ECD）测定有机氯农药ISO 29541，煤和焦炭。总碳、氢和氮的测定。仪器方法US EAS 1167，有机肥料。规范（第1版）US EAS 38，预包装食品的标签。一般要求US ISO 4833-1，微生物计数的水平方法。通过倒板技术进行30°C下的菌落计数。沙门氏菌的检测、计数和血清分型。沙门氏菌的水平方法。ES：8757/2023，土壤改良剂。BIOCHAREN 13041，土壤改良剂和生长介质。物理性质的测定。物理性质的测定。干堆积密度、空气体积、水量，收缩值和总孔空间ASTM D 1762，木炭化学分析的标准试验方法EPA 8270，气相色谱/质谱法测定半挥发性有机化合物EPA 8290，高分辨率气相色谱/高分辨率质谱法测定多氯二苯并二恶英（PCDDs）和多氯二苯并呋喃（PCDFs）EPA 8082 A，气相色谱法测定多氯联苯（PCBs）EPA A用于筛选生物炭对种子发芽影响的快速测试Lehmann，J.和Joseph，S.（2015），基于原料和热解条件的生物炭物理性质欧洲生物炭证书-规定了生物炭特性的质量要求和指示性物理性质，包括堆积密度国际生物炭倡议-提供了生物炭特性的典型范围和表征指南世界卫生组织-定义了用于表达PCDD/FS毒性的TEQ系统国际生物炭Initiative(IBI)：土壤中使用的生物炭的标准化产品定义和产品测试指南
9.	拟批准日期：待定拟生效日期：待定
10.	意见反馈截止日期： 2026年8月1日 [X] 自通报之日起60天负责处理有关本通报意见的机构或部门的详细联系方式：乌干达国家标准局地址：Bweyogerere工业与商业园，ByPass Link 2-12号地块邮政信箱：6329，坎帕拉，乌干达电话：+(256) 4 1733 3250/1/2 传真：+(256) 4 1428 6123 电子邮箱：info@unbs.go.ug 网站：https://www.unbs.go.ug
11.	文本可从以下机构得到： [ ] 国家通报机构 [X] 国家咨询点，或其他机构的联系地址、传真及电子邮件地址(如能提供): https://members.wto.org/crnattachments/2026/TBT/UGA/26_02882_00_e.pdf



	G/TBT/N/UGA/2392
	2 June 2026
(26-4033)
Committee on Technical Barriers to Trade		Original: English

NOTIFICATION

The following notification is being circulated in accordance with Article 10.6

1.	Notifying Member: UGANDA If applicable, name of local government involved (Articles 3.2 and 7.2):
2.	Agency responsible: Uganda National Bureau of Standards Plot 2-12 ByPass Link, Bweyogerere Industrial and Business Park P.O. Box 6329 Kampala, Uganda Tel: +(256) 4 1733 3250/1/2 Fax: +(256) 4 1428 6123 E-mail: info@unbs.go.ug Website: https://www.unbs.go.ug
3.	Notified under Article 2.9.2 [X], 2.10.1 [ ], 5.6.2 [X], 5.7.1 [ ], 3.2 [ ], 7.2 [ ], Other:
4.	Products covered (HS codes or national tariff lines. ICS numbers may be provided in addition, where applicable): FERTILISERS (HS code(s): 31); Agriculture (ICS code(s): 65.080); Biochar
5.	Details of notified document(s) (title, number of pages and languages, means of access): DUS 1862: 2026, Biochar — Specification, First Edition ; (24 page(s), in English) Link to notified document(s) and/or contact details for agency or authority which can provide copies upon request: https://members.wto.org/crnattachments/2026/TBT/UGA/26_02882_00_e.pdf
6.	Description of content: This Draft Uganda Standard specifies requirements, sampling and test methods for biochar. The standard applies to biochar produced from biomass through thermochemical conversion processes such as pyrolysis or gasification under limited oxygen conditions. This standard does not apply to charcoal used as fuel or biochar produced from hazardous or contaminated feedstock. Note: This Draft Uganda Standard was also notified to SPS Committee.
7.	Objective and rationale, including the nature of urgent problems where applicable: Consumer information, labelling; Prevention of deceptive practices and consumer protection; Protection of human health or safety; Protection of animal or plant life or health; Protection of the environment; Quality requirements; Harmonization; Reducing trade barriers and facilitating trade
8.	Relevant documents: AOAC 2006.03, Arsenic, cadmium, cobalt, chromium, lead, molybdenum, nickel, and selenium in fertilizers — Microwave digestion and inductively coupled plasma-optical emission spectrometry ISO 3310, Test sieves — Technical requirements and testing ISO 7409, Fertilizers — Marking — Presentation and declarations ISO 8397, Solid fertilizers and soil conditioners — Test sieving ISO 10390, Soil, treated biowaste and sludge – Determination of pH ISO 10694, Soil quality — Determination of organic and total carbon after dry combustion (elementary analysis) ISO 11047, Soil quality — Determination of cadmium, chromium, cobalt, copper, lead, manganese, nickel and zinc — Flame and electrothermal atomic absorption spectrometric methods ISO 11260, Soil quality — Determination of effective cation exchange capacity and base saturation level using barium chloride solution ISO 11265, Environmental solid matrices — Determination of the specific electrical conductivity ISO 11277, Soil quality — Determination of particle size distribution in mineral soil material — Method by sieving and sedimentation ISO 11465, Sludge and solid environmental matrices — Determination of dry residue or water content and calculation of the dry matter fraction on a mass basis ISO 12185, Crude petroleum, petroleum products and related products — Determination of density — Laboratory density meter with an oscillating U-tube sensor ISO 14820-1, Fertilizers and liming materials — Sampling and sample preparation Part 1: Sampling ISO 14820-2, Fertilizers and liming materials — Sampling and sample preparation Part 2: Sample preparation ISO 16000-13, Indoor air Part 13: Determination of total (gas and particle-phase) polychlorinated dioxin-like biphenyls (PCBs) and polychlorinated dibenzo-p-dioxins/dibenzofurans (PCDDs/PCDFs) — Collection on sorbent-backed filters ISO 16649-2, Microbiology of food and animal feeding stuffs — Horizontal method for the enumeration of beta-glucuronidase-positive Escherichia coli Part 2: Colony-count technique at 44 degrees C using 5-bromo-4-chloro-3-indolyl beta-D-glucuronide ISO 17318, Fertilizers and soil conditioners — Determination of arsenic, cadmium, chromium, lead and mercury contents ISO 17828, Solid biofuels — Determination of bulk density ISO 18122, Solid biofuels — Determination of ash content ISO 18123, Solid biofuels — Determination of volatile matter ISO 18134, Solid biofuels — Determination of moisture content ISO 18287, Soil quality — Determination of polycyclic aromatic hydrocarbons (PAH) — Gas chromatographic method with mass spectrometric detection (GC-MS) ISO 18475, Environmental solid matrices — Determination of polychlorinated biphenyls (PCB) by gas chromatography - mass selective detection (GC-MS) or electron-capture detection (GC-ECD) ISO 21527-2, Microbiology of food and animal feeding stuffs — Horizontal method for the enumeration of yeasts and moulds. Part 2: Colony count technique in products with water activity less than or equal to 0,95 ISO 23646, Soil quality — Determination of organochlorine pesticides by gas chromatography with mass selective detection (GC-MS) and gas chromatography with electron-capture detection (GC-ECD) ISO 29541, Coal and coke — Determination of total carbon, hydrogen and nitrogen — Instrumental method US EAS 1167, Organic fertilizer -Specification (1st Edition) US EAS 38, Labelling of pre-packaged foods — General requirements US ISO 4833-1, Microbiology of the food chain — Horizontal method for the enumeration of microorganisms — Part 1: Colony count at 30 °C by the pour plate technique US ISO 6579-1, Microbiology of the food chain — Horizontal method for the detection, enumeration and serotyping of Salmonella Part 1: Detection of Salmonella spp. ES : 8757/ 2023, SOIL IMPROVERS – BIOCHAR EN 13041, Soil improvers and growing media - Determination of physical properties – Dry bulk density, air volume, water volume, shrinkage value and total pore space ASTM D 1762, Standard Test Method for Chemical Analysis of Wood Charcoal EPA 8270, Semi volatile organic compounds by gas chromatography/mass spectrometry EPA 8290, Polychlorinated Dibenzodioxins (PCDDs) and Polychlorinated Dibenzofurans (PCDFs) by High-Resolution Gas Chromatography/High Resolution Mass Spectrometry (HRGC/HRMS) EPA 8082 A, polychlorinated biphenyls (PCBs) by gas chromatography EPA A Rapid-Test for Screening Biochar Effects on Seed Germination Lehmann, J. & Joseph, S. (2015), Biochar for Environmental Management — Reference ranges for biochar physical properties based on feedstock and pyrolysis conditions European Biochar Certificate — Specifies quality requirements and indicative physical properties including bulk density International Biochar Initiative — Provides typical ranges and characterization guidance for biochar properties World Health Organization — Defines TEQ system used for expressing toxicity of PCDD/Fs International Biochar Initiative (IBI):Standardized Product Definition and Product Testing Guidelines for Biochar That Is Used in Soil European Biochar Guidelines: Guidelines for sustainable production of biochar
9.	Proposed date of adoption: To be determined Proposed date of entry into force: To be determined
10.	Provision of comments Final date for comments: 1 August 2026 [X] 60 days from notification Contact details of agency or authority designated to handle comments regarding the notification: Uganda National Bureau of Standards Plot 2-12 ByPass Link, Bweyogerere Industrial and Business Park P.O. Box 6329 Kampala, Uganda Tel: +(256) 4 1733 3250/1/2 Fax: +(256) 4 1428 6123 E-mail: info@unbs.go.ug Website: https://www.unbs.go.ug

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