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GB/T 42819-2023General technical code of practice for immobilization of heavy metal contaminated soil in agriculture production area (English PDF)

农产品产地重金属污染土壤钝化通用技术规程

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

August 6, 2023

Implementation date

March 1, 2024

Scope

GB/T 42819-2023 is the English-translated version of 农产品产地重金属污染土壤钝化通用技术规程.

This document establishes the work procedure for the immobilization remediation of heavy metal contaminated soil in agricultural production areas, and specifies the assessment of whether the technique can be applied, the screening of the immobilizing agent, the preparation and carrying out of the remediation plan, the assessment of the result, the environmental monitoring plan, and the sampling and analytical methods.

The document applies to the remediation of soil in agricultural production areas contaminated by cadmium, arsenic, lead, chromium, copper, nickel or zinc where that contamination harms crop growth or the soil ecosystem. It does not apply to the remediation of soil contaminated by mercury.

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Document preview — GB/T 42819-2023

National Standard of the People's Republic of China

ICS: 65.080; 13.080
Classification: B 10

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Preface
1 Scope
2 Normative reference documents
3 Terms and Definitions
4 Work procedures
5 Feasibility assessment of application of passivation repair technology
6 Passivant screening
7 Preparation and implementation of restoration plan
8 Repair effect evaluation
9 Environmental Monitoring Plan
10 Sampling and analysis methods
Appendix B (informative) Commonly used soil heavy metal passivators in agricultural product producing areas
Appendix C (informative) Commonly used leaching methods and determination methods for available arsenic and available chromium in soil

Foreword

This document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part 1: Structure and Drafting Rules of Standardization Documents" Drafting.

1 Scope

This document establishes the work procedures for passivation remediation of heavy metal-contaminated soil in agricultural product production areas and stipulates the feasibility of application of passivation remediation technology.

Assessment, passivant screening, remediation plan preparation and implementation, remediation effect assessment, environmental monitoring plan and sampling and analysis methods are described.

This document applies to agricultural products produced in areas contaminated by cadmium, arsenic, lead, chromium, copper, nickel and zinc, which have adverse effects on crop growth or soil ecological environment. Soil remediation of adverse impacts.

This document does not apply to the remediation of soil where mercury-contaminated agricultural products are produced.

2 Normative reference documents

The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, the dated quotations For undated referenced documents, only the version corresponding to that date applies to this document; for undated referenced documents, the latest version (including all amendments) applies to this document.

GB 4284 Agricultural sludge pollutant control standards

GB/T 14848 Groundwater Quality Standard

GB 15618 Soil Environmental Quality Agricultural Land Soil Pollution Risk Management and Control Standards (Trial)

HJ164 Technical specifications for groundwater environmental monitoring

HJ804 Determination of 8 available elements in soil using diethylene triamine pentaacetic acid leaching-inductively coupled plasma optical emission spectrometry

NY/T 395 Technical specifications for farmland soil environmental quality monitoring

NY/T 525 organic fertilizer

NY/T 3041 Biochar-based fertilizer

NY/T 3241 General rules for fertilizer registration field trials

NY/T 3343 Criteria for Evaluation of Cultivated Land Pollution Control Effects

NY/T 3499 Guidelines for the Treatment and Restoration of Contaminated Cultivated Land

3 Terms and definitions

The following terms and definitions apply to this document.

3.1 Agricultural production area

Areas related to the production of plants, animals, microorganisms and their products.

Note: Mainly includes agricultural land for growing cereals, beans, fruits, vegetables, nuts, oil crops and other plants, agricultural land that provides soil cover for cultivating edible fungi, and Agricultural land for crop cultivation used as feed for livestock and poultry or as a substrate for cultivation of edible fungi.

3.2 Heavy metal contaminated agricultural production area

One or more heavy metals produced by human activities enter the soil and have an adverse impact on crop growth or the soil ecological environment. Origin of agricultural products.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

Referenced standards

Normative references

NY/T 525

Similar standards

GB/T 19203-2026|GB/T 30393-2026|GB/T 47386-2026|GB/T 33804-2025|GB/T 46111-2025|GB/T 46293-2025

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