ll 50 states are required to meet the National Ambient Air Quality Standards.
If they don't meet them, they must file a State Implementation Plan showing
strict schedules and control measures, that will result in meeting the
standards by a certain time. States can impose strict emission controls
on any pollution source in order to clean the air to acceptable levels.
ll 50 states are required to meet the National Ambient Air Quality Standards.
If they don't meet them, they must file a State Implementation Plan showing
strict schedules and control measures, that will result in meeting the
standards by a certain time. States can impose strict emission controls
on any pollution source in order to clean the air to acceptable levels.
