The Air Quality Section (AQS) promotes healthy indoor and outdoor air for all Californians, through multidisciplinary expertise in chemistry, physics, engineering, epidemiology, exposure assessment, and microbiology. AQS activities include: 
   
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identifying public health concerns in indoor or outdoor air, 
       
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developing measurement solutions to assess contaminant exposures, 
       
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conducting research to support technical and policy solutions, and 
       
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providing technical guidance.