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This book presents a comprehensive and detailed description of remediation techniques for metal-contaminated soils derived from both natural processes and anthropogenic activities. Using a methodical, step-by-step presentation, the book starts by overviewing the origin of toxicants and the correlated comparative extent of contamination to the environment. The legal provisions as proposed or applied in different countries are then discussed to explain the global regulatory situation regarding soil contamination and the extent of consequent concern. The core part of this publication describes the major techniques for in situ or ex situ treatment of the contaminated soil to meet the regulatory limits. Finally, risk evaluation is incorporated, giving special attention to possible impacts during or after implementation of the remediation strategies. The intrusion of metals in soils mostly occurs from various anthropogenic activities, e.g., agricultural practices, industrial activities, and municipal waste disposal. The volumes of metal-contaminated soil are becoming greater than before and are ever-increasing due to rapid urbanization, intensified industrialization, and/or population booms in certain parts of the world. Hence, the options previously proposed, such as isolation of the contaminated site or movement of the contaminated mass to a secure disposal site after excavation, are becoming unsuitable from the economic point of view, and instead, decontamination alternatives are preferred. This book will help readers such as scientists and regulators to understand the details of the remediation techniques available to deal with the soils contaminated by toxic metals.

Environmental law. --- Soil remediation --- Soil pollution --- Metals --- Environmental Sciences --- Earth & Environmental Sciences --- Environmental aspects --- Soil remediation. --- Soil pollution. --- Environmental aspects. --- Trace metal protection --- Contamination of soil --- Soil contamination --- Cleanup of contaminated soil --- Remediation of contaminated soil --- Soil cleanup --- Soil contamination remediation --- Pollution --- Soils --- Soil salinization --- Soil protection --- Environmental management. --- Soil conservation. --- Biotechnology. --- Environmental pollution. --- Environmental Management. --- Soil Science & Conservation. --- Environmental Engineering/Biotechnology. --- Terrestrial Pollution. --- Environmental Law/Policy/Ecojustice. --- Environment law --- Environmental control --- Environmental protection --- Environmental quality --- Environmental policy --- Law --- Sustainable development --- Chemical pollution --- Chemicals --- Contamination of environment --- Environmental pollution --- Contamination (Technology) --- Asbestos abatement --- Bioremediation --- Environmental engineering --- Factory and trade waste --- Hazardous waste site remediation --- Hazardous wastes --- In situ remediation --- Lead abatement --- Pollutants --- Refuse and refuse disposal --- Chemical engineering --- Genetic engineering --- Conservation of soil --- Erosion control, Soil --- Soil erosion --- Soil erosion control --- Agricultural conservation --- Soil management --- Environmental stewardship --- Stewardship, Environmental --- Environmental sciences --- Management --- Law and legislation --- Control --- Prevention --- Conservation --- Soil science. --- Environmental engineering. --- Environmental policy. --- Environment and state --- Environmental management --- State and environment --- Environmental auditing --- Environmental effects --- Environmental stresses --- Engineering --- Environmental health --- Sustainable engineering --- Pedology (Soil science) --- Agriculture --- Earth sciences --- Government policy --- Pollution.