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We’re Experts in Air Quality Studies!

Sullivan Environmental is experienced in conducting a wide range of Air Quality Studies and meteorological-related research. The following provides representative examples of studies that demonstrate the range of experience in our consulting practice since 1988:


Examples of Air Quality Studies include:

  • Evaluated the potential for pesticide contamination from farming operations at an organic farming operation via the air pathway.
  • Developed the Monte Carlo FEMS model to evaluate airborne exposures from the use of agricultural pesticides (reviewed and approved by the US Environmental Protection Agency).
  • Conducted major urban-scale modeling Air Quality Studies, including emissions assessment, dispersion modeling, and model performance evaluation in Ostrava, Czech Republic; Katowice, Poland; and Jakarta, Indonesia.
  • Modeling analysis and evaluation of lead contamination at a major Superfund site in the western United States involving exposures via inhalation and surface deposition of lead to the soil.
  • Conducted over 60 large scale Air Quality Studies to measure and compute airborne flux (emissions) from area source emissions from pesticide applications, including all of the major agricultural fumigants. This work includes off-field and profile air quality monitoring, profile meteorological monitoring, soil monitoring, regression analysis, and flux calculation based on the integrated horizontal flux method.
  • Evaluated airborne exposures associated with the cleanup of a contaminated waste basin at the Federal facility.
  • Developed the RISKMANpro ™ dense gas and non-dense gas modeling system to compute emission rates and modeling analysis associated with the accidental release of hazardous chemicals.
  • Modeled chlorine concentrations associated with an accidental chlorine release at an industrial facility in the Southeastern US.
  • Performed modeling analysis and evaluation of airborne exposures within a southern metropolitan area from a barge accident with emissions of volatile organic compounds.
  • Conducted dispersion modeling analyses to evaluate plume impaction and other exposures associated with a coal-fired power plant in the Washington DC area. This project included AERMOD and CALPUFF modeling, evaluation of measured data sets, and other analyses.
  • Performed modeling analysis and model performance evaluation of a secondary lead smelter, including the evaluation of airborne and deposited lead.
  • Conducted an odor analysis in the vicinity of a waste transfer facility. This project included collection of samples for odor laboratory analysis. Dispersion modeling dilution rates were computed as a function of distance.
  • Evaluated the distribution of odors in the vicinity of a manufacturing facility.
  • Conducted modeling analysis of deposition and model performance evaluation of a pesticide emitted from Federal lands in the Western United States.
  • Conducted dispersion modeling analyses of a new secondary lead smelter in South Carolina. This work included emissions assessment, AERMOD modeling, and evaluation of optimal locations for air quality monitors.
  • Performed modeling analysis to estimate residential airborne exposures associated with heavy metals at a city during the 1940s.
  • Conducted noise monitoring and a noise modeling analysis based on Sound Plan. Noise impacts were modeled for current conditions as well as for a potential mitigation option for a major commercial facility located in Virginia.
  • Developed software to refine the modeling analysis of NO2 emissions for surface-based sources such as traffic intersections and gas station queues. NO to NO2 conversion is based on concurrent Ozone, NO and NO2 concentrations, solar angle, and residence times. The EPA MOVES model is used to estimate initial NO2/NOx ratios and to estimate emissions. AERMOD is the core dispersion model.
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