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Why do we need specialized remediation or clean-up technologies? What is the difference between in-situ and ex-situ? What is the Federal law which investigates and does clean-up at hazardous waste sites? When was it enacted?

Why do we need specialized remediation or clean-up technologies? What is the difference between in-situ and ex-situ? What is the Federal law which investigates and does clean-up at hazardous waste sites? When was it enacted?

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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### Environmental Remediation and Clean-Up FAQ **Question 7: Why do we need specialized remediation or clean-up technologies?** Specialized remediation or clean-up technologies are important because they help to effectively remove, treat, or manage contaminants in the environment, particularly in soil and groundwater. These technologies aim to minimize the release of hazardous substances, protect public health, and restore ecosystems. **What is the difference between in-situ and ex-situ?** - **In-situ remediation**: Techniques applied directly to the contaminated site without removing the contaminated material. This method is generally less disruptive and can be more cost-effective for large areas. Examples include bioremediation, chemical oxidation, and soil vapor extraction. - **Ex-situ remediation**: Techniques that involve the removal of contaminated material to treat it elsewhere. This method can offer more controlled conditions for the treatment process and may be more effective for highly contaminated or smaller areas. Examples include soil washing, thermal desorption, and incineration. **What is the Federal law which investigates and does clean-up at hazardous waste sites? When was it enacted?** The Federal law that investigates and performs clean-up at hazardous waste sites is the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA), commonly known as Superfund. It was enacted in 1980. This law provides a Federal "Superfund" to clean up uncontrolled or abandoned hazardous-waste sites as well as accidents, spills, and other emergency releases of pollutants and contaminants into the environment.
Transcribed Image Text:### Environmental Remediation and Clean-Up FAQ **Question 7: Why do we need specialized remediation or clean-up technologies?** Specialized remediation or clean-up technologies are important because they help to effectively remove, treat, or manage contaminants in the environment, particularly in soil and groundwater. These technologies aim to minimize the release of hazardous substances, protect public health, and restore ecosystems. **What is the difference between in-situ and ex-situ?** - **In-situ remediation**: Techniques applied directly to the contaminated site without removing the contaminated material. This method is generally less disruptive and can be more cost-effective for large areas. Examples include bioremediation, chemical oxidation, and soil vapor extraction. - **Ex-situ remediation**: Techniques that involve the removal of contaminated material to treat it elsewhere. This method can offer more controlled conditions for the treatment process and may be more effective for highly contaminated or smaller areas. Examples include soil washing, thermal desorption, and incineration. **What is the Federal law which investigates and does clean-up at hazardous waste sites? When was it enacted?** The Federal law that investigates and performs clean-up at hazardous waste sites is the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA), commonly known as Superfund. It was enacted in 1980. This law provides a Federal "Superfund" to clean up uncontrolled or abandoned hazardous-waste sites as well as accidents, spills, and other emergency releases of pollutants and contaminants into the environment.
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