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EPA LEAF Methods: The Next Generation of Leaching Procedures

EPA LEAF Methods: The Next Generation of Leaching Procedures

Tuesday, August 4, 2020 - 1:30 P.M. EDT

About This Webinar:

U.S. EPA Office of Resource Conservation and Recovery initiated the review and validation of four new leaching tests, referred to as the LEAF (Leaching Environmental Assessment Framework) methods, for inclusion into the U.S. EPA’s SW-846 Methods. These LEAF methods represent a considerable shift in leaching assessment methodology from the current approaches which are typically based on single-point pH tests. These four methods represent the broad range of conditions that can occur in the environment and can consider the influence of pH, the influence of liquid to solids ratio, or the influence of mass transfer rates.


These LEAF leaching methods were developed to be part of a tiered assessment methodology that is a more robust, yet flexible, evaluation approach for estimating environmental release, particularly in applications where current regulatory tests are not required including beneficial use determinations, treatability evaluations, and other applications.


This presentation will focus on the environmental chemistry aspects of all four leaching methods, which includes batch, column and tank testing, including some optional modification to addressing one method for the generation of leachate for subsequent organics analysis.

A question and answer session will immediately follow the presentation. At the conclusion of each webinar, you will be asked for your feedback and opinions for future webinar topics to be developed by Eurofins Environment Testing America (EETA).

August 4, 2020

*Webinar has ended*

 

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PDH Credit:

All webinar attendees will receive a certificate of attendance with PDH Credit issued by EETA. Certificates will be emailed two days following the presentation. Contact your state to determine whether these credits meet the guidelines set forth by your state's board.

The Presenters:

Patricia McIsaac

Product Manager

Eurofins TestAmerica

Larry Matko

Technical Director

Eurofins TestAmerica


To view a recorded version of this webinar, please contact

patricia.mcisaac@eurofinset.com.