Defining the problem of air pollution in metropolitan Birmingham, Alabama.
D000397:Air Pollution / Q000517:prevention & control; D000407:Alabama; D000447:Aldehydes; D002248:Carbon Monoxide; D004391:Dust; D007220:Industrial Waste; D009585:Nitrogen Dioxide; D012494:Sampling Studies; D013458:Sulfur Dioxide; D001335:Vehicle Emissions
D000447:Aldehydes; D004391:Dust; D007220:Industrial Waste; D001335:Vehicle Emissions; D013458:Sulfur Dioxide; D002248:Carbon Monoxide; D009585:Nitrogen Dioxide