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…studies have linked short-term (e.g. ranging from 5 minutes to 24-hours) SO2 exposures to adverse respiratory effects including increased asthma symptoms and bronchoconstriction. The EPA is currently taking comments on…
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…On March 29, 2010, the EPA issued a final decision to delay the greenhouse gas permitting requirements for stationary sources until January 2011. The delay allows facilities and state…
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…On December 14, 2010 the EPA revised the ambient monitoring requirements for lead (Pb). This action comes after the EPA revised the primary and secondary lead National Ambient Air…
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…ppb. The EPA administration is retaining the current annual standard of 53 ppb. The EPA decided the existing annual standard does not provide sufficient protection of public health in the…
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…between compatibility and incompatibility with noise. Efforts were pursued in many countries. In the U.S., it appears that a “west coast”, an “east coast”, and a U.S. EPA effort were…
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…EPA approved MOVES emission model and the CAL3QHC dispersion model. The study area is located in an EPA designated non-attainment area for the 1997 annual PM2.5 standard. Based on the…
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…quality analysis participation included a technical review of the DEIS and Air Quality Technical Report. The air quality analysis consisted of evaluating seven Alternatives consistent with EPA, FHWA, and Maryland…
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…traffic volumes was conducted. Mobile source emissions were derived using the EPA MOVES model while ambient pollutant concentrations at a variety of receptor locations were estimated using the EPA CAL3QHC…
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…the quantitative thresholds specified in the VDOT and FHWA Air Quality Studies Agreement. HMMH estimated carbon monoxide emission rates using the EPA MOVES model for the Existing, Interim Build, and…
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…support equipment (GSE), auxiliary power unit (APU) and most of the stationary source emissions and will also use the EPA MOVES2014a model to estimate ground access (i.e., mobile) vehicle emissions….
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