Ryan Cleary Email & Phone Number

Raleigh, North Carolina

•Provides air quality modeling and analysis services to industrial clients for regulatory and research initiatives.•Supports industrial clients in meeting Clean Air Act (CAA) New Source Review (NSR) permitting regulations, providing air quality modeling analyses demonstrating compliance with major source Prevention of Significant Deterioration (PSD) Significant Impact Levels (SILs) and National Ambient Air Quality Standards (NAAQS) for criteria pollutant emissions. •Performs modeling analyses of CAA-defined hazardous air pollutants and toxic air pollutants for state-level stationary source permitting compliance demonstrations.•Prepares air toxics emissions inventories and develops model results summary tables for health risk assessments for submittal to state regulatory agencies.•Lead developer of Risk Management Plan (RMP) Offsite Consequence Analyses (OCA) for facilities holding more than a threshold quantity of regulated substances for compliance with Clean Air Act Amendments Section 112(r) for chemical accident prevention. •Supports industrial clients and state regulatory agencies in the development of State Implementation Plans (SIPs) to implement, maintain, and enforce EPA NAAQS attainment standards.•Investigates confidential, class-action legal actions involving odor complaints associated with industrial facility emissions and operations, providing dispersion modeling and meteorological data analyses to evaluate claim justification. •Evaluates meteorological representativeness of National Weather Service and site-specific monitor data for inclusion in regulatory dispersion modeling analyses.•Independent developer of modeling scripts to streamline analytical evaluations and provide efficient and innovative techniques to clients. •Serves as peer-reviewer of modeling protocols, reports, and modeling files for quality assurance of air quality project deliverables

Durham, North Carolina

•Supported the EPA Office of Air Quality Planning and Standards (OAQPS) Air Quality Modeling Division (AQMD) in management of the AERMOD regulatory dispersion model, providing code development and testing, model algorithm evaluation and analysis, and project management for the OAQPS Database and Modeling Support Contract.•Integrated code from the Research LINE-source dispersion model (R-LINE) for near-surface releases into AERMOD version 19191.•Modified AERMOD code (versions 18081 and 19191) to improve model performance for buoyant line source characterization and the Ambient Ratio Method – 2 (ARM2) for conversion of nitrogen oxide (NO) to nitrogen dioxide (NO2).•Updated the AERMOD User’s Guide to provide guidance and documentation of new model options to support air quality modeling demonstrations in compliance with the Guideline for Air Quality Modeling (Appendix W).•Developed data analysis code for statistical evaluation of model-to-monitor roadway dispersion analyses in support of EPA, Office of Transportation and Air Quality (OTAQ), and Federal Highway Administration (FHWA) mobile source emissions research initiatives. •Performed client-specific modeling analyses for multiple purposes, including evaluations of per- and polyfluoroalkyl substances (PFAS) deposition, visibility impacts, health and risk assessments, and volunteer risk reduction plans.•Provided third-party, independent technical review of industrial source modeling studies using AERMOD, AERSCREEN, ALOHA, and ISCST3.

Research Triangle Park, North Carolina

• Provided client-facing technical leadership in support of EPA regulatory, policy, and research air quality modeling initiatives, resulting in the exercising of $1.5 million contract extension option.• Managed a 15 member technical staff comprised of atmospheric scientists, computer scientists, and chemists in the efficient utilization of computing resources to deliver accurate model simulations within project scope, on time, and on budget [$552,000].• Led federal contracting projects, including developing and managing budgets, maintaining client and stakeholder relationships, approving technical deliverables, and submitting financial and technical reports to fulfill contractual compliance. • Served as Proposal Coordinator for successful RFP responses, organizing staff, identifying and submitting key contributors, and participating in price-to-win strategy sessions with senior management, resulting in the award of 2 U.S. Government contracts valued over $10 million.• Compiled, proofread, and clarified internal SME capabilities, provided timely Pink Team and Red Team responses, and met tight deadlines as Technical Approach Lead in the successful capture of the $9 million EPA Support for Evaluation, Testing, and Application of Air Quality Simulation Models contract.

Research Triangle Park, North Carolina

• Delivered, as Task Order Manager, corporate offerings for $4.8 million EPA OAQPS Air Quality Modeling and Simulation Analysis Contract. • Generated cost estimates for multi-year client studies of Chesapeake Bay deposition, hemispheric transport, health studies, wildfire and prescribed burning, and agricultural emissions in fulfillment of contractual requirements. • Developed emissions simulations and provided analysis of input and output data for the advancement in EPA pollution research using photochemical air quality models [CMAQ and CAMx].• Prepared and analyzed temporal, spatial, and chemical speciation reports and created visualization plots of criteria and toxic air pollutant species for quality assurance of emissions processes and client acceptance.• Collaborated with EPA Principal Investigators resulting in co-authorship of an article in the Air Pollution Modeling and its Application XXIII publication and in multiple international conference proceedings.• Represented the Emissions Modeling Group at the Community Modeling and Analysis System (CMAS) Conference in 2008, 2011, 2012, and 2014, directly interacting with experts in atmospheric modeling innovations.

Master'S Degree, Meteorology

Activities and Societies: Chi Epsilon Pi, Meteorology Honor SocietyThesis: “Analysis of the Water Balance of the Hudson River Watershed.

Bachelor'S Degree, Physics

Activities and Societies: Sigma Xi, Scientific Research Honor Society; Omicron Delta Epsilon, Economics Honor SocietyThesis.