DENNIS J



DENNIS J. HLINKACERTIFIED CONSULTING METEOROLOGISTEDUCATIONB.S. Meteorology, Northern Illinois University, 1974Certified by the American Meteorological Society as a Certified Consulting Meteorologist (#369), in 1984.WORK EXPERIENCE1990 present Sullivan Environmental, Senior Meteorologist1988 1990 Geomet Technologies Inc., Senior Meteorologist1984 1987 Versar, Inc., Meteorologist1981 1984 Bechtel Group, Inc., MeteorologistDispersion modeling specialist for this engineering and construction firm. Responsibilities included the writing of air quality sections of PSD applications for facilities in the synthetic fuels and cement production industries, applying dispersion modeling techniques concerning the rupture of storage tanks containing cryogenic material stored on a nuclear power plant site, and contributing to a valuable study of potential health hazards of onsite personnel during flame out conditions of ground flares used in their Middle East operations.1979 1981Environmental Research & Technology (ERT), MeteorologistIntroduced to the air pollution field of meteorology in which his computer modeling skills were expanded to include the understanding of EPA's air dispersion models. Became very familiar with the latest PSD modeling and monitoring guidelines and was involved with an urbanscale study on the predicted concentration field of criteria pollutants within an industrialized region of southeast Texas and southwestern Louisiana. A criteria pollutant monitoring plan for this region was developed based on this study.1974 1979Institute for Storm Research, Lead Weather ForecasterBecame lead weather forecaster with this nationally recognized research and operational forecasting center, providing 5day wind and wave forecasts for worldwide offshore industries. Responsibilities included climatological and hindcasting analyses, developing forecasting guidelines and documents including specialized forecasting training of personnel.WORK DESCRIPTIONMr. Hlinka is a Certified Consulting Meteorologist with extensive computer modeling experience in dispersion modeling analysis, ranging from the management of comprehensive modeling analyses to support EPA rule making, and urbanscale dispersion modeling analysis/data base management, to the preparation of Prevention of Significant Deterioration Permits (PSD). His broad-based knowledge and in-depth meteorological experience extends into the specialized field of operational weather analysis and forecasting, as well as climatological and forensic research. He has an indepth understanding of computer applications, including FORTRAN programming and a wide range of personal computer applications. Mr. Hlinka was involved with compiling an extensive urban-scale emissions data base, performing dispersion modeling runs using ISCST3 (the precursor to the AERMOD model), and assisted in the development and QC of an air quality management software system to facilitate the integration of modeling and monitoring initiatives in the Baltimore metropolitan area. This data base system included summaries of exposure and risk as a function of 174 source categories (shown as a function of major, nonmajor, and mobile sources), which were planned to be used to support EPA development of a National Strategy for Air Toxics.Urban-Scale Air Quality Analyses - Mr. Hlinka was responsible for computer modeling of many major EPA studies. He was responsible for the dispersion modeling (phase I) component of a risk assessment study in a highly polluted region of the Czech Republic and Poland. He also managed the dispersion modeling component of the EPA Kanawha Valley Air Toxics Study (1985 1987), the EPA Baltimore Integrated Environmental Management Project Study, an EPA study of modeling/monitoring of criteria pollutants in Houston, and all of the computer analysis to support the EPA Office of Solid Waste rule to control metal releases from hazardous waste incineration. He was also responsible for dispersion model modification to support the EPA study of noncancer effects in Kanawha Valley, West Virginia. Mr. Hlinka provided technical strategy support for the Allegheny County (PA) PM10 SIP submittal in the early 1990’s. He later provided CALMET meteorological data support for the Allegheny County SIP submittal regarding the Liberty/Clairton non-attainment area.Road Studies - Mr. Hlinka has been responsible as a technical manager in the modeling analysis of over 15 road studies in the DC metropolitan area for the past 20 years. All of these road traffic and parking facility studies involved the use of MOBILE6 to estimate vehicle emission factors using seasonal and temperature dependent idle and a range of vehicle speeds based on present and future traffic volume studies. These estimated emissions were then modeled using the latest versions of ISCST3, AERMOD, and CAL3QHC models to predict downwind concentrations and submitted all the necessary model air quality analysis reports to the DC air quality department for their review. Mr. Hlinka served as the manager of the modeling support team for all the air quality, odor, and noise analysis that were conducted to evaluate environmental exposures from a gas station that is planned for a suburban mall in Maryland. This included a seasonal and temperature dependent emissions assessment using MOBILE6, air quality using the AERMOD dispersion modeling of gas station operations and nearby sources including nearby roadways, warehouse, and parking lot sources. In addition he has also been involved with noise, odor monitoring associated with these roadway and mobile sources.SPECIFIC EXPERIENCECourt Litigation Studies - Mr. Hlinka was responsible for the compilation, interpretation and technical consultation of meteorological data in support of a wide range of expert witness testimonies involving injury or fatalities resulting from local severe weather conditions. Some of these parameters investigated by Mr. Hlinka include doppler radar data, hourly National Weather Service surface and twice daily upper air observations, and lightning strike data. Rocky Mountain Arsenal Case Mr. Hlinka served the Colorado Attorney General's Office in a case filed by the U.S. Department of Justice. He developed and compiled background data for a report that evaluated air quality impacts associated with the interim remedial action at Basin F.Expert Witness for Air Quality Impacts from Major Truck Stop in Bordentown, New Jersey - Performed review of air quality impacts for truck traffic at large truck stop. Testified at a public hearing conducted by the City Zoning Commission at request of adjacent business.Data Research for Court Litigation Involving Tree Damage (District of Columbia) - Mr Hlinka researched and analyzed meteorological conditions for an event involving tree damage and fatality during a summer thunderstorm and another fatality during a winter storm.Data Research for Court Litigation Involving Tree Damage (Martinsburg, WV) - Mr. Hlinka researched and analyzed meteorological conditions for an event involving tree damage and fatality during a summer thunderstorm.Data Research for Court Litigation Involving Slip-Fall Case (District of Columbia) - Mr. Hlinka researched and analyzed meteorological conditions involving an event involving slip-fall on ice and injury.Data Research for Court Litigation Involving Crane Accident (Baltimore, MD) - Mr. Hlinka researched and analyzed meteorological conditions for a construction site accident involving the fall of a tower crane.Data Research for Court Litigation Involving Tornado (West Virginia) - Mr. Hlinka researched and analyzed meteorological data in order to evaluate probabilities and conditions associated with a tornado that caused injuries to the occupants of a mobile home.Data Research for a Slip-Fall Case (Woodbridge, VA) - Mr. Hlinka researched and analyzed meteorological conditions involving an event involving slip-fall on ice and injury.Data Research for Case Involving Pedestrian Fatality (Alexandria, VA) - Mr. Hlinka researched and compiled the necessary meteorological data to more definitively describe the probable lighting conditions associated with a fatal pedestrian accident.Fumigant Emissions Modeling System (FEMS) – Developed a Monte Carlo based software in FORTRAN to enhance the realism of modeling airborne exposures to agricultural fumigants (pesticides). This software program allows the user to choose from the available list of ISCST3 (the precursor to AERMOD), CALPUFF5, or CALPUFF6 dispersion models. The user is guided through various steps that identifies and sets up the input variables within the model input files and then refined modeling (including Monte Carlo treatments of all the key model inputs) is performed without the need for further file management or manual processing by the user. The user is also given the capability of choosing the output perspectives of greatest interest to their study goals. This modeling system is now in the process of being upgraded to replace the ISCST3 dispersion model option with the more current AERMOD model.Air Quality Analysis for Maryland Gas Station - Mr. Hlinka served as the manager of the modeling support team for all the air quality, odor, and noise analysis that were conducted to evaluate environmental exposures from a gas station that is planned for a suburban mall in Maryland. This project has includes emissions assessment, air quality, noise, and odor monitoring at a comparable facility, dispersion modeling of gas station operations and nearby sources including nearby roadways, warehouse, and parking lot sources. All roadway, gasoline station queue, and parking lot mobile source emissions were developed from the MOBILE6 model. The AERMOD model was primarily used to model all these emission sources, including background, to establish the predicted impact of this proposed facility to the nearby residential area and public exposure within the mall parking lot.Air Quality Analysis of Jakarta, Indonesia – Sullivan Environmental recently completed a contract for the U.S. Trade and Development Agency to conduct air quality analysis of the Jakarta, Indonesia metropolitan area. This project is referred to as the “Breathe Easy Jakarta” project, which is a cooperative initiative involving U.S. and Indonesian participants. The primary emphasis of this project was to design an air quality monitoring network for the Jakarta metropolitan area, including fixed-site and mobile monitoring capability for air quality, as well as meteorological monitoring. To support this task, urban-scale emissions assessment and CALPUFF modeling of the metropolitan area was conducted for criteria pollutants to support monitor placement, and to support the optimal allocation of mobile monitoring capability. Mr. Hlinka managed and was responsible for all the CALMET/CALPUFF modeling support and data processing for the U.S. component for work conducted from 2010 through 2012 under this contract.Evaluation of Pesticide Deposition From Wind Erosion Associated with Pesticide Applications on Federal Lands in the Western U.S. - Mr. Hlinka was responsible for the data processing and analysis of the CALMET/CALPUFF modeling analysis of regional impacts from pesticide applications on separate tracts of land in a region that included farming areas. Deposition modeling was used as an input to a hydrology model to account for vertical movement within the soil. Soil concentrations of the pesticide were modeled as a function of time and depth throughout the region. Model performance relative to extensive soil measurements also was conducted as a function of time. AERMOD modeling for Fly Ash Storage Facility in the Caribbean – Mr. Hlinka was the task manager for an AERMOD dispersion modeling study of the potential wind erosion of fly ash in the form of total particulates (TSP) and associated heavy metals being dispersed and deposited downwind into the nearby residential community. Hourly emissions files were created for the wind erosion source (variable emission rates with wind speed above the threshold wind speed only) and bulldozing emission rates (constant emission rates above threshold wind speed only), while period averaged emissions values based on throughput of ash during the entire 6-month period was used as a basis for the loading and unloading emissions sources for period-average concentrations. A 5-year hourly meteorological data set, including precipitation, was processed through the AERMET meteorological pre-processor accounting for surface roughness within 2 km of the fly ash storage facility. Particle size distribution data was compiled and input into the model in order to estimate the amount dry and wet deposition.EPA Hazardous Waste Land treatment "NoMigration" Petitions Dennis Hlinka has been responsible, as a Senior Technical Reviewer, for supporting the U.S. Environmental Protection Agency's program to review refinery petitions to EPA that request a waiver from the land ban restrictions. Mr. Hlinka assisted in developing the current draft of OSW Air Pathway Assessment Methodology (APAM).CALMET/CALPUFF Power Plant Regional Modeling of Population Exposure – Mr. Hlinka was the technical manager in a series of CALMET/CALPUFF long-range atmospheric dispersion model studies in order to address primary and secondary pollutant impact studies for power plants located in New England (Massachusetts, Rhode Island), Illinois, Wisconsin, Georgia, and Washington, D.C. to evaluate the potential health benefits of emissions reduction from the older fossil-fueled power plants in these regions. The studies evaluated the aggregate impacts of all major, grandfathered power plants within each region. Emission scenarios were developed for each plant reflecting current and projected emissions of SO2, NOx, PM2.5. Condensable PM emissions were also estimated using the latest AP-42 emissions factors. Patterns and magnitudes of the combined impact of primary PM2.5, sulfates, and nitrates were output.TOXST Demonstration Model Mr. Hlinka was responsible for assisting in the review and modification of a new demonstration version of EPA's Toxic Modeling System ShortTerm (TOXST) model. Mr. Hlinka reviewed all model code changes and performed example TOXST model runs to evaluate the performance of the newly incorporated model options and enhancements in the demonstration model. Mr. Hlinka was also responsible for collecting and processing source and meteorological data for an analysis to evaluate the latest model code changes.EPA Kanawha Valley NonCancer Study Mr. Hlinka was responsible for dispersion modeling and post processing software development for a study on the noncancer health effects (e.g. respiratory and eye irritation) with emphasis on acute exposure to air toxics. Rocky Mountain Arsenal (Denver, CO.) Mr. Hlinka was responsible for all dispersion modeling to support an exposure assessment of a Superfund site in the western U.S. Dispersion Modeling to Support Air Quality Permits for Industry - Extensive modeling experience for permit applications, including Prevention of Significant Deterioration (PSD), air quality permits to construct, accident analyses to support OSHA process safety management, hazardous waste incineration permits, and modeling to support California air toxics permitting. This experience includes a broad range of industries and coverage in the following States: Virginia, South Carolina, North Carolina, Oklahoma, Iowa, California, Pennsylvania, and New York. Examples are offered as follows:State Air Quality Permits to Construct - Permits for industrial applications in for cement plants located in South Carolina, Oklahoma, and Iowa.Hazardous waste incineration permits for facilities in Pennsylvania and Louisiana.Proposition 65 modeling analyses to support risk assessment in California.California Pesticide permits for Citrus industries in California.Pittsburgh PM10 SIP Mr. Hlinka was the technical manager for a contract providing dispersion modeling and receptor modeling for PM10 SIP support to the Allegheny County (Pittsburgh) Health Department (Bureau of Air Pollution Control). Mr. Hlinka was responsible for helping to develop and modify a specialized modeling software program that chose the most conservative predicted impact from several EPA dispersion models, using methods consistent with the EPA Guideline on Air Quality Modeling. This task involved the use of simple and complex terrain models, and indepth treatment of plume rise from coke oven batteries, based on the BLP model algorithms.CALMET Processing for Pittsburgh PM-2.5 SIP – Mr. Hlinka was the technical manager for a contract providing data compilation and processing support on processing the meteorological data to be used in the non-attainment area SIP analysis to be conducted using the CALPUFF model. A review of the data collected from the network of monitoring sites within the region was conducted to determine the appropriateness of the data. Land use and surface roughness characteristics data was modified (using the Lettau method for surface roughness) to adjust for latest known physical changes within the model domain. All CALMET model options regarding surface feature characteristics were chosen and adjusted for seasonal characteristics. A facility source heat flux analysis was also conducted. The resulting processed CALMET files were then used in the PM2.5 SIP analysis conducted by Allegheny County officials.Baltimore Air Toxics Study (199394) Mr. Hlinka was a technical manager for the dispersion modeling analyses and software development being performed for this EPA study. Mr. Hlinka was involved with compiling an extensive urban-scale emissions data base, performing dispersion modeling runs, and assisted in the development and QC of an air quality management software system to facilitate the integration of modeling and monitoring initiatives in the Baltimore metropolitan area. End products of this study include summaries of exposure and risk as a function of 174 source categories (shown as a function of major, nonmajor, and mobile sources), to be used to support EPA’s development of a National Strategy for Air Toxics.Expert Witness Review of CALMET/CALPUFF Modeling of Proposed Power Plant – Mr. Hlinka was selected as an expert witness to perform a technical review of CALMET/CALPUFF long-range atmospheric transport modeling analyses performed by a third party for a proposed power plant and testimony was presented to a State Environmental Hearing Board. A technical review of the CALPUFF modeling analysis was conducted to determine if all relevant model options critical to this analysis were chosen and used correctly. This review was performed for the CALMET meteorological processing as well as the CALPUFF and CALPOST modeling and post-processing files. A number of model inconsistencies were noted in regards to accepted modeling practices and were testified to at the Hearing Board. In addition to this technical review, a CALPUFF modeling analysis was conducted by Mr. Hlinka to properly assess the SO2 emission sources from the proposed power plant in regards to source contributions of the predicted SO2 increment exceedances found in a Class I area in an adjoining State. An extensive emission inventory of a number of emission sources along with the proposed facility in question was compiled and input into the CALPUFF model. The results of this additional CALPUFF modeling analysis were also presented to the Environmental Hearing Board.DC Road Air Quality Studies – Mr. Hlinka has been responsible as a technical manager in the modeling analysis of numerous road studies in the DC metropolitan area for the past 20+ years. Vehicle emission rates were computed using the latest version of the state-of-the-art EPA computer model, MOBILE6. All data concerning inspection and maintenance, anti-tampering program, and vehicle fleet mix were set to match current recommendations established by the District of Columbia Council of Governments (DC COG). The CAL3QHC model was used for the roadway model analysis for both current and projected traffic data. The roadways, intersections, and idling zones were modeled as individual line sources. The AERMOD model results were used to display concentrations of CO, NOx, PM10, and a number of toxics and what their effects would be to the surrounding homes and buildings and along access sidewalks in the immediate vicinity of the parking garage and nearby intersections. These concentrations were compared against EPA NAAQS and toxic levels. The full model analysis and report was readily accepted by the DC Dept. of Health regulatory reviewers without any follow-up questions.CA Industrial Facility – Mr. Hlinka was the technical manager in a refined ISCST3 modeling analysis for a southern California facility with refinements for a number of source parameters such as source emissions and nearby building dimensions. Additional modeling refinements included the processing of four years of onsite meteorological data and an urban-rural classification analysis for the region surrounding the facility. The comprehensive refined modeling analysis addressed both maximum offsite and residential exposure concentrations for four key pollutants: arsenic, 1,3-butadiene, cadmium, and lead. Modeling of Residential and Applicator Exposure to Herbicide Treatments – Mr. Hlinka was the technical manager in an ISCST3 dispersion modeling exposure study regarding the application of a turf herbicide to 50-acre plots on golf courses and 7,500 square foot residential areas. Only the naphthalene emission component of the volatile organic was addressed. Emission rates for each turf treatment area were conservatively estimated using a model application procedure for the simulation of vapor emissions from liquid spills. The maximum predicted 1-hour, 4-hour, 8-hour, 24-hour, and 5-year average naphthalene concentrations were calculated for each of the modeled scenarios.Confidential Client Mr. Hlinka was technical manager for an air quality review and dispersion modeling study for hivol lead samplers for a northeast U.S. facility. Mr. Hlinka, using dispersion modeling analysis of facility emissions and current lead monitoring guidelines, advised the client of the proper location of several hivol samplers needed in the vicinity of the facility. He was also responsible for determining the representativeness of available meteorological and air quality data used in the studyEvaluation of the Air Quality Module of the WET Model Mr. Hlinka was responsible for reviewing and examining the basic structure of the air quality module of the Waste Environment Technology (WET) model. The goal of the review was to determine whether the WET model meets the needs of EPA's Waste Treatment Branch (WTB) treatment technology alternatives. After review, Mr. Hlinka provided suggestions of code modifications to improve the model results. One approach, managed by Mr. Hlinka, was to characterize the geographical variations of concentrations by applying distributions of annual average concentrations from a large data base of predicted concentrations of five sets of release specifications (surface impoundment, landfill, waste pile, incinerator, and groundlevel point source) from 25 selected U.S. cities.Review of Air Quality Component of the LLM Model Mr. Hlinka was responsible for the review of the basic modeling and meteorological assumptions in the air quality component of the Liner Location Model (LLM) and to provide any recommendations for improvement to the methodologies being used. Mr. Hlinka discovered a source of error in the virtual point source method used for the area sources. He recommended the integration of the ISCLT air dispersion model, which uses a virtual point source method already accepted by EPA. In addition, the ISCLT model results provide a much better definition of the concentration and Unit Dose Concentration (UDC) distributions around the landfill sites.U.S. Study of Environmental Control Measures for Ostrava, Czech Republic and Katowice, Poland Dennis Hlinka was technical manager for Sullivan Environmental's support to this study of a highly industrialized region of northern Czech Republic and southern Poland. Mr. Hlinka was responsible for compiling the emissions data base in cooperation with the environmental staff in the two countries as well as formulating the dispersion modeling techniques, data analysis software development, and assisting in the location of additional ambient monitors.EPA Atlanta Ozone Precursor Study Technical manager and dispersion modeling specialist in a phase II metropolitan scale study involving detailed model performance evaluation analysis considering a comprehensive measured data set of ozone precursor pollutants from monitoring sites selected in phase I. Emissions variability data for motor vehicles based on vehicle speed, time of day, and ambient temperature was included. EPA Study on 1Hour SO2 Monitoring Strategies Technical manager and dispersion modeling specialist in a study investigating the effectiveness of current monitoring networks for the proposed 15 minute to 1hour SO2 standard. Based on techniques learned from the Atlanta Ozone Precursor Study, Mr. Hlinka determined the metropolitan area to be studied as well as develop all emissions assessments and dispersion modeling techniques necessary for analysis.University of Cincinnati Building Downwash / Intake Analysis Mr. Hlinka was responsible for developing computer software programs and using conservative dispersion modeling techniques in order to evaluate the potential effects of building vent emissions on nearby building air intakes within a school medical complex. He integrated the latest building downwash routines and cavity zone boundary definitions into a spreadsheet format. The concentration on top of the buildings with the vented emissions was also estimated based on modeling techniques integrated into the program.Air Quality Analysis of Proposed Parking Garages at Howard University and the Italian Embassy in District of Columbia - Mr. Hlinka was responsible for calculating worst-case emissions from motor vehicles (using MOBILE5) and performing a dispersion modeling analyses to estimate the additional expected air quality impact in the local area due to the proposed parking garages.DoD Study on integration of the Dispersion of Smoke Plumes on Battlefield Simulators Mr. Hlinka was the technical manager and dispersion modeling specialist in a study of how smoke plumes from launched smoke grenades could be integrated into realtime battlefield M1 tank simulators. By applying an extensive library of actual smoke plume measurements and photographs obtained from field studies and dispersion modeling techniques, he was able to develop simplified dispersion procedures that could be easily applied into the simulators without using up valuable computer storage and straining simulator "realtime" constraints.Hazardous Waste Incinerators Mr. Hlinka was responsible for an air quality modeling study to evaluate the risks involved in the use of hazardous waste incinerators. The results of this analysis was input to the Background Document and guidance documents used to support the regulation of metals from hazardous waste incinerators. He was responsible for all dispersion modeling and postprocessing of the data into usable screening methodologies to easily estimate risks from routine and shortterm peak concentrations. The analyses included the effects of complex terrain and regional conditions.Artificial Intelligence Training Mr. Hlinka was trained in the uses of expert systems and neural networks for environmental applications. He also evaluated expert system software developed for the prediction of wind and visibility.Review of Dispersion Models Used for Exposure Assessments This study, performed for EPA, was a detailed assessment of air quality dispersion models used to evaluate exposures to toxic air pollutants. Mr. Hlinka was responsible for closely examining the computer code and technical procedures used in three widely applied dispersion models. Problems were identified in the plume rise term and deposition algorithm in the Atmospheric Transport Model (ATM), and in the area and building source treatments in the Industrial Source Complex LongTerm (ISCLT) and LONGZ models.EPA Geographic Studies of Toxic Air Pollution Dispersion modeling specialist for air quality analyses performed for EPA toxics integration studies performed in Philadelphia (PA), Baltimore (MD), Kanawha Valley (WV), Santa Clara (CA), and Providence (RI). Weather Forecasting Support for U.S. Customs Aerostat Operations in Southwestern U.S. and Bahamas Mr. Hlinka provided onsite weather forecasting support for the safe operation of a number of radar containing aerostats that are tethered at 10,000 ft above ground level in Arizona and New Mexico. He also conducted specialized forecasting and radiosonde launches during an investigation of radar wave propagation analysis in the Southeast U.S. region.ASSOCIATION / CERTIFICATIONProfessional Member - American Meteorological Society, Certified Consulting Meteorologist (#369)National Weather AssociationSPECIALIZED METEOROLOGICAL/AIR QUALITY TRAININGParticipated in a SMOKE and CMAQ training course conducted by INC Institute for the Environment in April, 2013.Participated in a CALPUFF Training Course sponsored by Earth Tech, Inc., October, 2004.Participated in an American Meteorological Society sponsored short-course on Mesoscale Meteorology and Forecasting in July, 1984.Participated in an intensive short-course on Radar Meteorology in June, 1977.SELECTED PUBLICATIONS / PRESENTATIONS / COMPANY REPORTSMcIntosh, D.L, J.H. Stewart, T.A. Myatt, J.E. Sabato, G.C. Flowers, K.W. Brown, D.J. Hlinka, D.A. Sullivan, “Use of CALPUFF for Exposure Assessment in a Near-Field, Complex Terrain Setting,” Atmospheric Environment , 44:262-270, 2010.Sullivan, D.A., Hlinka, D.J., Holdsworth, M.T., The Integrated Use of Dispersion Modeling and Ambient Monitoring to Evaluate Air Quality Sources with Complex Emissions, Proceedings of the Air and Waste Management Association's Annual Meeting and Exhibition, pp. 2491-2507, 2004.Sullivan, D.A., M.T. Holdsworth, and D. J. Hlinka, “Control of Off-Gassing Rates of Methyl Isothiocyanate from the Application of Metam-Sodium by Chemigation and Shank Injection,” Atmospheric Environment, (38), 2457 – 2470, 2004.Sullivan, D. A., M.T. Holdsworth, and D. J. Hlinka, “Monte Carlo-Based Dispersion Modeling of Off-Gassing Releases from the Fumigant Metam-Sodium for Determining Distances to Exposure Endpoints,” Atmospheric Environment, (38), 2471-2481. 2004. Jonathan I. Levy, John D. Spengler, Dennis Hlinka, David Sullivan, and Dennis Moon, “Using CALPUFF to Evaluate the Impacts of Power Plant Emissions in Illinois: Model Sensitivity and Implications,” Atmospheric Environment, pp. 1077-1086, Vol. 36, Issue 6, February 2002.Sullivan, David A., Thomas G. Grosch, and Dennis J. Hlinka, "Air Quality Assessment of Katowice, Poland," presented at the 87th Annual Meeting of the Air & Waste Management Association, Cincinnati, OH, June 1994.Sullivan David A., Dennis J. Hlinka, and Thomas G. Grosch, "Project Silesia Phase I Ambient Air Quality Analysis (Method and Results)," presented at the 86th Annual Meeting of the Air & Waste Management Association, Denver, Colorado, June 1993.Sullivan David A., Thomas G. Grosch, and Dennis J. Hlinka, "The Evaluation of Peak Exposures to Meet State and Clean Air Act Requirements: Benefits of Establishing a Proactive Position," presented at the 86th Annual Meeting of the Air & Waste Management Association, Denver, Colorado, June 1993.Sullivan, David A., Thomas G. Grosch, and Dennis J. Hlinka, "Atlanta Ozone Precursor Study: Dispersion Modeling of NOx and NMOC," presented at the Annual Meeting of the Air & Waste Management Association, Kansas City, Missouri, June 1992.Sullivan, David A., Dennis J. Hlinka, and Thomas G. Grosch, "Monitoring Network Strategies to Address the Potential 15Minute to 1Hour SO2 Ambient Air Quality Standard," presented at the Annual Meeting of the Air & Waste Management Association, Kansas City, Missouri, June 1992.Sullivan, David A. and Dennis J. Hlinka, "The Use of the EPA Integrated Environmental Management Program's Air Quality Screening Methodology to Support UrbanScale Exposure Assessments for Air Toxics," Air Pollution Control Association International Conference on Regulatory Approaches for Control of Air Pollution, Atlanta, Georgia, February 1720, 1987. ................
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