Environmental Protection Agency (EPA) to retain the existing national ambient air quality standards (NAAQS) for carbon monoxide (CO) on February 11, 2011. It says that EPA has proposed to find that the standards are protective of human health. It states that the requirements of air quality ...
The Environmental Protection Agency only recorded eight violations of the current air quality standards for carbon monoxide between 2005 and 2007, according to a draft science assessment for the pollutant published Sept. 23 (74 Fed. Reg. 48,536).rnAccording to EPA's Integrated Science Assessment ...
EPA REVIEW OF CO IMPACTS ON NEWBORNS MAY PROMPT STRICTER STANDARDS EPA is reviewing new scientific evidence on the risks posed by carbon monoxide (CO) exposure to pregnant mothers and newborns, a move called for by environ... M Shipman - 《Inside Epas Environmental Policy Alert》 被引量: 0...
EPA's 1997 revisions to the PM NAAQS32revised the standards focused on particles smaller than 10 microns (PM10or coarse particles) established in 1987,33and introduced standards for "fine" particles smaller than 2.5 microns (PM2.5) for the first time. The primary (health protection) PM NAAQS ...
(or "tailor") the Clean Air Act's regulatory emission thresholds. Administrator Jackson concluded that triggering greenhouse gas regulation at the Act's relatively low emission thresholds applicable to air pollutants such as lead and carbon monoxide would subject far more stationary sources to permit ...
EPA REVIEW OF CO IMPACTS ON NEWBORNS MAY PROMPT STRICTER STANDARDSEPA REVIEW OF CO IMPACTS ON NEWBORNS MAY PROMPT STRICTER STANDARDSEPA is reviewing new scientific evidence on the risks posed by carbon monoxide (CO) exposure to pregnant mothers and newborns, a move called for by environmentalists...
The EPA has released its annual report on air quality trends showing that, while air quality continues to improve, approximately 107 million Americans in 1997 lived in areas that did not meet the ambient air quality standards for at least one of six major pollutants: 1. carbon monoxide, 2. ...
Standards Institute acousto-optic modulator American Society for Quality Backward Lagrangian Stochastic benzene, toluene, elemental mercury and p-xylene acetylene charge-coupled device cavity-enhanced absorption continuous emissions monitors chlorofluorocarbons methane carbon monoxide carbon dioxide correlation ...
EPA proposes National Air Quality Standards Administrator William D. Ruckelshaus of the Environmental Protection Agency has proposed national air quality standards for 6 common classes of air pollution: sulfur oxides, particulate matter, carbon monoxide, photochemical oxidants, ni... Anonymous - 《Eos Tr...
(e.g., highways, malls, parking lots, etc., that attract mobile sources to the location). Specified "criteria" pollutants such as sulfur dioxide, nitrogen oxide, carbon monoxide, particulates (i.e., soot, fly ash, etc.), and lead are directly regulated, as are "hazardous" air ...