The air quality modeling community breathed a collective sigh of relief when a critical U.S. Environmental Protection Agency’s (EPA) modeling guidance finally became effective this year. The Guideline ...

The United States Environmental Protection Agency (“EPA”) Office of Inspector General (“OIG”) issued a September 5th report titled: EPA Can Strengthen Its Process for Revising Air Quality Dispersion ...

Meteorological dispersion modeling (DM) and land-use regression modeling (LUR) are alternative methods describing small scale variations in air pollution levels, and both have been documented to ...

The U.S., Environmental Protection Agency’s new modeling guidance makes a complicated situation more likely to occur at your plant. After reading a little background science, the impacts on your plant ...

Manganese (Mn) is ubiquitous in the environment and essential for normal growth and development, yet excessive exposure can lead to impairments in neurological function. This study modeled ambient Mn ...

The updated study incorporates redesigned dry-stack tailings system engineered to eliminate acid mine drainage and is one of the final ESIA reports. traffic-related dust along the 7-kilometre access ...

Atmospheric dispersion modeling is the mathematical simulation of how air pollutants disperse in the ambient atmosphere. It is performed with computer programs that solve the mathematical equations ...

The U.S. Environmental Protection Agency is concerned about a new Arkansas law that prohibits the use of certain computer modeling in the approval of air permits. In a letter this week to the Arkansas ...

ADELPHI, Md.-- Researchers from the Army’s corporate laboratory developed a unique turbulence model for the atmosphere that has broad applications to both civilian and military activities to include ...

Tom Rolfson is an air quality engineer at POWER Engineers. Tom’s primary responsibilities are in air quality permitting, air emission inventories, air dispersion modeling, and multi-media ...