CDOH - What does CDOH stand for? The Free Dictionary
References in periodicals archive
In 1993, the CDOH began a project to determine priorities for efforts to improve environmental conditions.
Following the success of Priorities '95, the CDOH initiated another project in 1999 to address the issue of air quality Columbus meets the Ambient Air Quality Standards outlined in the federal Clean Air Act, but continuing growth and the possibility of tighter standards suggest that the city may fall out of compliance soon.