EPA Ozone Pollution Water 
Green Car Congress
FEBRUARY 10, 2013
Among the many climate-related vulnerabilities that can impact its mission, the US Environmental Protection Agency (EPA) cites a likely increase in tropospheric ozone pollution as potentially making it more difficult to attain National Ambient Air Quality Standards ( NAAQS ) in many areas with existing ozone problems.
Green Car Congress
FEBRUARY 18, 2019
Cooking, cleaning and other routine household activities generate significant levels of volatile and particulate chemicals inside the average home, leading to indoor air quality levels on par with a polluted major city, according to a study by researchers at the University of Colorado Boulder. Earlier post.).
Green Car Congress
JULY 6, 2010
The US Environmental Protection Agency (EPA) is proposing regulations employing the “good neighbor” provision of the Clean Air Act to reduce interstate transport of upwind state emissions from power generation that contribute to air quality problems in downwind states. States covered by the proposed Transport Rule. Click to enlarge.
Green Car Congress
JANUARY 13, 2010
Lisa P Jackson, Administrator of the US Environmental Protection Agency, issued a public memo to EPA employees detaling “ seven key themes to focus the work of our agency ” in 2010 and beyond. Protecting America’s Waters. The seven themes are: Taking Action on Climate Change. Other themes include: Assuring the Safety of Chemicals.
Green Car Congress
JULY 24, 2009
A) shows the base case peak concentrations for O 3 (ozone), ClNO and HCl in parts-per-billion by volume (ppbv). (B) Under extreme circumstances, this previously unknown chemistry could account for up to 40 parts per billion (ppb) of ozone; the current US Environmental Protection Agency (EPA) 8-hour average standard is 75 ppb.
Green Car Congress
APRIL 17, 2009
After a thorough scientific review ordered in 2007 by the US Supreme Court, the US Environmental Protection Agency (EPA) issued a proposal with two distinct findings regarding greenhouse gases. Before taking any steps to reduce greenhouse gases under the Clean Air Act, EPA would conduct an appropriate process and consider stakeholder input.
Green Car Congress
FEBRUARY 5, 2020
Source of data: US EPA (2019). NO x is a precursor for both ground level ozone and secondary PM 2.5 EPA is targeting implementation in the 2027 timeframe while CARB is focusing efforts on phasing in more stringent standards in 2024 and again in 2027 with the hope of aligning with EPA as a national standard. Chart: MECA.
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