Introduction to RA, RBCA, and Application at Contaminated Sites Webinar

RBCA Webinar Series Bundle

About the Course

The primary goal of federal and state corrective action programs at contaminated sites is the protection of human health and the environment under current and reasonable future conditions. An important step towards accomplishing this goal is the quantification of human health risk and the development of risk based cleanup levels for soil, sediments, surface waters, groundwater and air.

Numerous guidance documents have been published by USEPA, department of defense, state regulatory agencies, trade organization and others to quantify human and ecological risk and to develop risk based target levels. These include but are not limited to Risk Assessment Guidance for Superfund Sites, (1989), the Soil Screening Guidance Document (1996), ASTM's RBCA standard (1995), Indoor Vapor Intrusion Pathways Evaluation (2015), several state documents, etc. Each of these and several other documents have contributed towards the development of the human health risk assessment process as it is applied today.

This session will present the steps required to manage contaminated sites, the application of the RA process to contaminated sites, the evolution of the RA process, differences between RA and RBCA and the data required to manage contaminated sites. This session will set the stage for the subsequent nine sessions.

Registering for the Webinar

The fee for this webinar 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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