What are criteria air pollutants – why were these chosen for monitoring instead of other potential air pollutants? Explain how in the past one state can have well-regulated levels of industrially produced air pollution, yet still have air that does not meet regulatory requirements? In your opinion what are the greatest threats for causing indoor and outdoor air pollution in the US and how should this be controlled. Do issues of environmental justice impinge on air pollution, explain? Are you confident that laws will remain sufficiently strong to protect your personal health from air pollution
