Soil and Groundwater Target Levels for Groundwater Protection: Indirect Routes of Exposure Webinar

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    About the Course

    A key objective of corrective action plans and regulations is the protection of groundwater. Within the RA and RBCA framework, the definition of the protection of groundwater requires answers to a few specific questions such as where is the groundwater to be protected. What concentration in groundwater constitutes adequate and acceptable protection? Recognizing that "zero" groundwater concentration everywhere is not a reasonable nor feasible answer, this session will discuss the calculation of acceptable soil source, groundwater source and ground concentrations.

    The session will discuss the methodology used to develop risk based target concentration for groundwater. The methodology presented can also be used to develop concentrations protective of surface water bodies.


    Registering for the Webinar

    The fee is $89 per person. After registering you will receive an email within a few hours with information about how to access the webinar. In addition to the webinar, you'll get 7-day access to a recording of the webinar.


    About the Instructor

    Dr. Atul M. Salhotra is an internationally recognized expert in the qualitative and quantitative behavior of chemicals in the environment; assessment of human and ecological risk from chemicals; statistical analysis of data; development of environmental policies related to chemicals, and regulatory negotiations regarding contaminated sites. His expertise and opinions are sought after and trusted by regulators, industries, and the courts by virtue of his having developed risk based decision making programs for the management of chemically impacted sites for USEPA, fifteen states in US and countries outside the US.

    Dr. Salhotra has conducted training courses in over 25 states and 10 countries related to the management of contaminated soil, groundwater, air, lakes and rivers. Over 7,000 individuals (practicing engineers, consultants, regulators, decision makers, and responsible parties) have attended his courses, and their careers have benefited from the training received. These courses include the fate and transport of chemicals in the environment, human and ecological risk assessment, site assessment and other aspects.

    Since 1998, Dr. Salhotra has been involved in several projects in Israel. As a consultant to the Israel Ministry of Environment Water, he has developed the guidance document for the management of contaminated sites referred to as the Israel Risk Based Corrective Action Program. His clients include several Israeli consulting companies, developers, trade groups and public and private organizations.

    Dr. Salhotra's applied research work has involved the development and application of exposure and risk assessment methodologies for environmental decision making. Dr. Salhotra was the project manager for the team that developed the EPACML (EPA's Composite Model for Landfills), and EPAMMM (EPA's Multi-Med Model) for landfills. The EPACML model was used to develop USEPA's Toxicity Characteristic Leaching Procedure (TCLP) rule. Dr. Salhotra has used the following tools for evaluating the leachate production, regulatory negotiations, and risk at several landfill projects:

    • Human health and ecological risk assessment
    • Multi-media (soil, groundwater, surface water, and air) chemical fate and transport Models
    • Data interpretation and statistical evaluation of data including monte-carlo Simulation
    • Evaluation of LNAPL and DNAPL data
    • Education of stakeholders, including regulators
    • Preparation and delivery of clear and precise reports and presentations
    • Application of "common sense" and "simplest possible" models
    • Hydrologic Evaluation of Landfill Performance (HELP) model

    Dr. Salhotra has been involved in various aspects related to the contamination in Kishon River, Hackensack River, and the Lower Passaic River.


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