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

2. 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. 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. 4 Community Plating School Pleasure Valley Study Area Hospital 4000 People 2000 People Prevailing Winds North Square Western Valley Southern Acres Eastern Quadrant 1000 Meters from Plater Interstate R9

5. 5 Tribal Air Quality Management Process 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 Set Air Quality Goals

6. 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. 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?