Related Experiment Video
Updated: May 9, 2026
14:10
Separation and Identification of Conventional Microplastics from Farmland Soils
Published on: March 21, 2025
[Human health risk-based environmental criteria for soil: a comparative study between countries and implication for
Meng Xu1, Zeng-guang Yan, Meng-meng He
1State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, China. xumeng@craes.org.cn
Huan Jing Ke Xue= Huanjing Kexue
|August 7, 2013
Summary
Developed countries offer soil environmental criteria guidance. This study analyzes international approaches and proposes strategies for China, addressing challenges in developing local soil standards.
Area of Science:
- Environmental Science
- Risk Assessment
- Soil Science
Background:
- Developed nations established risk-based soil environmental standards since the 1990s.
- International variations exist in soil criteria frameworks due to legislative, environmental, and cultural differences.
- Existing international guidelines offer methodological references for developing countries.
Purpose of the Study:
- To present the scientific basis and fundamental features of soil environmental criteria.
- To compare and analyze definitions, functions, and values of soil environmental criteria across different countries.
- To propose strategies for developing local soil environmental criteria in China.
Main Methods:
- Comparative analysis of international soil environmental criteria.
- Summary and analysis of key technologies and influencing factors in criteria development.
- Review of land use classification, exposure scenarios, risk levels, and exposure parameters.
Main Results:
- Significant differences observed in the naming, roles, and values of soil standards globally.
- Identified critical factors influencing soil environmental criteria development, including land use and risk assessment.
- International experiences were leveraged to inform strategies for China.
Conclusions:
- China faces specific challenges in developing its soil environmental criteria.
- International best practices provide a foundation for establishing robust local or regional soil standards.
- Addressing variability in legislative and environmental contexts is crucial for effective soil criteria development.
Related Concept Videos
01:23Toxicity Testing in Animals
Toxicity tests in animals are grounded on two main assumptions: first, the effects observed in laboratory animals can be extrapolated to humans, especially when adjusted for body surface area; second, high-dose exposure in animals is essential to identify potential human hazards from lower doses. This is based on the quantal dose-response concept, which faces the challenge of extrapolating results from relatively few test animals to much larger human populations. For example, a 0.01% incidence...
01:36Types of Toxins
Humans continually engage with an environment rich in potentially harmful chemicals. These are introduced to our bodies through inhalation, ingestion, or skin contact. These chemicals exist in various forms, such as air and environmental pollutants, agricultural chemicals, organic solvents, and heavy metals.
Air pollutants, primarily gases, pose significant threats to respiratory health, leading to conditions like hypoxia, lung cancer, and in extreme cases, death.
Environmental pollutants like...
Air pollutants, primarily gases, pose significant threats to respiratory health, leading to conditions like hypoxia, lung cancer, and in extreme cases, death.
Environmental pollutants like...