Search results for epa

project:

Reagan National Airport Terminal B/C Air Quality Environmental Assessment

EPA MOVES model and EPA Exhaust and Emissions Standards to develop an inventory of criteria pollutant emissions resulting from demolition and construction activities for the Proposed Action. Emission sources considered…

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project:

Solar PV Air Quality Environmental Assessment, Hanscom Air Force Base

…(NOx), particulate matter (PM10 and PM2.5) and carbon dioxide (CO2) would be estimated. Total construction and operational emissions were estimated, summarized, and compared to the EPA de minimis levels based…

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post:

Earth Day +1

…– Also yesterday, Senators Carper, Inhofe, Boxer and Kerry introduced legislation directing the EPA to study the environmental impact of black carbon and the most cost-effective ways to reduce its…

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project:

Cogeneration Facility Screening Modeling Analysis

…natural gas or ULSD. The EPA SCREEN3 model was used to assess impacts for receptors below stack top elevation. For estimating impacts above stack top, Connecticut DEP’s PTPLU model was…

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post:

ACI-NA Rocks Austin!

…Lots of discussion on EPA’s proposed airport deicing effluent limitation guidelines (ELG’s). A great presentation by Kristi McKenney on Adaptation Planning for Climate Change and implications for airports. I also…

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post:

AEDT 3b is Out!

…(ASCENT). ASCENT is funded by FAA, NASA, DoD, EPA, and Transport Canada to sponsor research projects on these topics at 16 universities. The changes to aircraft weight and performance in…

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project:

Emergency Generator Emissions and Dispersion Modeling System Analysis

…Wakefield, Massachusetts office park. Air dispersion modeling was conducted using the EPA AERMOD dispersion model. HMMH processed the meteorological data from nearby Boston Logan Airport for use in the model….

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project:

VDOT I-95 Express Lane Fredericksburg Extension Revised Environmental Assessment

…screen out using the PA, a CO hot spot analysis was conducted using the EPA MOVES and CAL3QHC dispersion model where modeled concentrations were compared to the National Ambient Air…

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post:

FAA Releases Update to Aviation Environmental Design Tool (AEDT)

…by using surface characteristics specific to the area to be modeled. Additionally, the AERMOD model in AEDT has incorporated the EPA’s revised low wind speed threshold of 0.5 m/s; below…

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project:

I-495/I-90 Interchange Improvements Project

…evaluating carbon monoxide (CO), mobile source air toxics (MSATs), and greenhouse gas (GHG) emissions for the Build Alternative. HMMH conducted a CO hot-spot analysis for the interchange using the EPA

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