1. Air Toxics Program: An Interactive Exercise
Jeff Whitlow
U.S. EPA OAQPS

2. Case Study Scenario: Summary
Problem
Increase in severe nasal and lung irritation and headaches for the past six months, including hospital admissions
You are Joe/Jane Regulator – What do you do?
Use air quality management model to
1. Assess problem
2 Determine next steps to address problem

3. Case Study Scenario – Summary (cont.)
Suspect sources?
Community Plating Company
Chrome Electroplater Facility
Several densely populated communities nearby
School, hospital all within 1 km
All permits appear in compliance
New 4-lane highway NW of town

4. Pleasure Valley Study Area
Interstate R9
North Square
1000 Meters from Plater
4000 People
Hospital
Eastern
Quadrant
Community Plating
Western Valley
2000 People
Southern Acres
Prevailing Winds
2000 People
2000 People
School

5. Tribal Air Quality Management Process
Set Air Quality Goals
Implement Control Strategies
-Title V and other Permits
Surveillance and
Enforcement
Evaluate Air Quality
Emissions Inventory Data
Ambient Air Monitoring Data
Choose Control Strategies
Voluntary programs
Some strategies may be regulatory
Determine Necessary
Emissions Reductions
Modeling

6. Things to Keep in Mind Every situation is unique
Must balance competing needs and interests
May have to live with limited resources and technical capabilities
Communication as important as science
How do you determine if controls or are necessary?
Other voluntary measures?
Recommendations to your boss and tribal council?

7. Questions Step 1 - Your goal? Step 2 – Evaluate air quality
Information you need?
Who should you coordinate with?
Step 3 – Determine emissions reductions needed
Analysis you should use?
Other available information?
Who should have input?
Step 4 – Determine actions to be taken
Activities you might consider?
How do you choose these actions?
Step 5 – Implementation
Implementation?
Available options?