Air Quality

Air pollution often tops the public’s list of environmental concerns. Since 1970, when the Congress passed the Clean Air Act, carbon monoxide, sulfur dioxide, lead, and nitrogen dioxide have decreased nationally by about 30%. Despite the improvements, even stricter air quality standards have been approved that will impact our daily lives. Use the resources in this section to learn more about air quality and how it impacts you.

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Title	Type
Cast-in-Place Concrete Foundations Are you getting everything you can out of your concrete?  Is it as strong and durable as it can be?  This half day course gives you all the necessary tools to work with cast-in-place concrete – the most popular method for constructing durable and economical foundation walls.  … 4/3/2009	Course Overview
California Waiver Request for In-Use Diesel Construction Equipment 12/18/2008	PDF
Air Quality Policy The U.S. Environmental Protection Agency (EPA) should develop national ambient air quality standards for criteria pollutants that are based on scientific evidence, attainable, and economically feasible. EPA should not support federal, state, or local emissions control measures that could … 10/13/2007	Policy Summary