Title: CL:AIRE Technical Bulletin TB20: An Introduction to Natural Source Zone Depletion at LNAPL Sites 
Resource Type: document --> technical publication --> report 
Country: United Kingdom 
Language(s): English
Year: 2019 
Author 1/Producer: Michael Rivett, GroundH2O Plus Ltd, Rob Sweeney, CL:AIRE 
Author / Producer Type: Non-governmental organisations 
Report/Document number/description: TB20 
Publisher: CL:AIRE 
Publisher Country: United Kingdom 
Publisher web link (root): https://www.claire.co.uk
Report / download web link (=direct link): https://www.claire.co.uk/component/phocadownload/category/17 ...  
Format (e.g. PDF): pdf 
Size: (e.g. 20mb) 1.3mb 
EUGRIS Keyword(s): Contaminated land-->Contaminated land overview
Contaminated land-->Remediation options-->Remediation options overview
Short description: This bulletin introduces the concept of natural source zone depletion. It includes a description of the processes controlling depletion rates, how these rates are measured and outlines its potential significance at UK LNAPL sites. 
Long description: ‘Natural source zone depletion’ (NSZD) describes the naturally occurring processes that collectively result in the depletion of chemical contaminant mass from a (LNAPL) source zone. The purposes of this bulletin introducing NSZD at LNAPL sites are to: Introduce and raise awareness of NSZD and outline its potential significance; Outline the key processes controlling NSZD rates and recent research advances; Outline recent approaches to measuring NSZD, particularly the gaseous component; Consider the varied roles of emerging NSZD technology use in the remediation life cycle; and Review the challenges and needs yet to be overcome. 
Submitted By: Rob Sweeney WhoDoesWhat?      Last update: 12/06/2019

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