AQS Conference, June 2010
AQS changes to meet regulatory needs
Exceptional Event Rule (EER)
The Federal Regulations (40 CFR Part 50.14) allow Ambient Air Quality Measurements that are Exceedances or Violations of the National Ambient Air Quality Standards (NAAQS) that are by an “Exceptional Event” to be excluded from Attainment demonstrations.
Was implemented in AQS in March 2010
Refer to AQS Exceptional Event Tutorial