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After completion of this course, learners will be able to explain key topics relating to air toxics. The intended audience for this course is new hires in state, local, and tribal air agencies. This course is also useful for EPA staff as well as the public. This course is comprised of 8 modules and an exam.
Module 1: What are Air Toxics?
After completion of this module, learners will be able to define air toxics.Specifically, learners will be able to:
- Explain the term air toxics.
- Explain the characteristics of air toxics.
- Explain what the hazardous air pollutants (HAPs) list is under the Clean Air Act.
- Explain how the HAPs list is revised under the Clean Air Act.
After completion of this module, learners will be able to list the sources of ambient air toxics.
Module 3. Health and Environmental Effects of Air Toxics.
After completion of this module, learners will be able to explain the health and environmental effects of air toxics. Specifically, learners will be able to:
- Identify the types of health effects that air toxics can cause.
- Describe factors that can impact the type and/or severity of health effects.
- Describe how air toxics can affect the environment.
After completion of this lesson, learners will be able to identify the key elements of the regulatory framework for HAPs from stationary sources. Specifically, learners will be able to:
- Identify the key elements of the regulatory framework for HAPs from stationary sources.
- Explain how hazardous air pollutants (HAPs) are identified (listed) and delisted under the Clean Air Act (CAA).
- Define major and area stationary sources.
- Explain the requirements for identifying (listing) major and area sources under the CAA.
- Identify the two types of emissions standards.
- Describe the components of emissions standards.
- Explain how standards are set for major sources.
- Explain how standards are set for area sources.
- Explain technology review of MACT or GACT standards.
- Explain residual risk review of MACT standards.
After completion of this module, learners will be able explain the objectives of monitoring ambient air toxics.
Module 6. The EPA's Ambient Air Toxics Monitoring Program.
After completion of this module, learners will be able to describe each of the key activities of the Environmental Protection Agency (EPA)'s ambient air toxics monitoring program. Specifically, learners will be able to:
- Describe key monitoring networks for collecting air toxics data.
- Describe targeted air toxics studies.
- Explain the purpose of measurement methods development.
- Describe quality assurance.
After completion of this module, learners will be able to explain the purposes and types of air emissions inventories, including the three primary inventories that the Environmental Protection Agency (EPA) develops.
- Explain the purpose of emissions inventories.
- Explain the key uses of emissions inventories.
- Describe how different types of emissions inventories can meet different needs.
- Describe the three national emissions inventories that the EPA develops.
- Explain how the three national emissions inventories differ.
After completion of this module, learners will be able to explain key concepts that are related to conducting human health air toxics risk assessments. Specifically, learners will be able to:
- Define the term "health risk" as it relates to air toxics.
- Explain exposure and toxicity values used for evaluating health risk in air toxics risk assessments.
- Explain what an air toxics risk assessment is.
- Identify the different types of air toxics risk assessments.
- Describe the difference between air toxics risk assessment and risk management.
- Explain each of the stages in the air toxics risk assessment framework.
TOXC101-SI: Introduction to Air Toxics
What are the Sources of Air Toxics?
Health and Environmental Effects of Air Toxics
Regulatory Framework for Hazardous Air Pollutants from Stationary Sources
Why Monitor Ambient Air Toxics?
The EPA's Ambient Air Toxics Monitoring Program
Purposes and Types of Emissions Inventories
Key Concepts for Air Toxics Risk Assessments
TOXC101-SI Course Exam