Agenda

Throughout the course, site-specific examples and calculations will help provide practical relevance to the material presented.

Agenda, Tuesday, March 19, 2024
Time	Agenda Item
8:00 a.m.	Introductions and Course Objectives
8:15 a.m.	Risk Assessment in the Context of Contaminated Sites Site Assessment Risk Assessment Risk Management Site Conceptual Model and Site Conceptual Exposure Model Technical and Regulatory History of Risk Assessment Why Risk Assessment & Risk based Decision Making? State and Federal Regulatory Frameworks for Risk Based Decision Making
9:15 a.m.	Qualitative and Quantitative Exposure Assessment Exposure Pathways (Source, media, migration, receptor) Site Exposure Model Calculation of Dose Exposure Equations and Exposure Factors Variability in Exposure Factors Uncertainty in Estimating Dose
10:30 a.m.	Break
10:45 a.m.	Toxicity Assessment Carcinogenic and Non-Carcinogenic Toxicity Factors Mutagenic Chemicals Source of Toxicity Factors (IRIS) Toxicity of Lead
12:00 p.m.	Lunch on your own
1:00 p.m.	Estimation of Risk-1 Carcinogenic & Non-Carcinogenic Risk Acceptable risk level Estimation of Representative Concentrations (ProUCL) Application of Fate and Transport Models in Risk Assessment Uncertainty, Variability and Bias in Estimating Risk
3:00 p.m.	Break
3:30 p.m.	Estimation of Risk-Based Target Concentrations I (Backward Mode) Direct Routes of Exposure (ROE) Data Required for Direct ROE
5:00 p.m.	Adjourn for the Day

Agenda, Wednesday, March 20, 2024
Time	Agenda Item
8:00 a.m.	Fate and Transport Considerations in Risk Assessment Chemical Properties Soil Properties Partitioning of chemicals in soil, groundwater, and soil vapor Concept of Equilibrium concentrations
9:00 a.m.	Estimation of Risk-Based Target Concentrations II (Backward Mode) Protection of Groundwater Pathway Policy Choices
10:30 a.m.	Break
10:45 a.m.	Estimation of Risk-Based Target Concentrations II (Backward Mode) Protection of Surface Water State & USEPA screening levels (e.g. RSLs, VISLs)
11:15 a.m.	Tiered Approach Screening levels vs. Site Specific levels Factors that can be Modified Development of Work Plans Special Cases (lead, TPH, background concentrations)
12:00 p.m.	Lunch on your own
1:00 p.m.	Evaluation of Indoor Vapor Intrusion Options available to evaluate the pathway Data required to evaluate the pathway Work plans for Vapor Intrusion
2:30 p.m.	Break
2:45 p.m.	RBCA Software Demonstration
4:00 p.m.	Case Study
5:00 p.m.	Adjourn for the Day