Chip Simmons

Schneider, K. R., Schroeder, M., Gutierrez, A., Kharel, K., Schneider, R. G., Harder, A., … Danyluk, M. D. (2024). Southern Region Produce Safety Alliance Grower Training: Using Pre- and Post-Training Knowledge Assessments to Understand Training Effectiveness. JOURNAL OF FOOD PROTECTION, 87(5). https://doi.org/10.1016/j.jfp.2024.100266

Burris, K. P., Simmons, O. D., III, Webb, H. M., Moore, R. G., Jaykus, L.-A., Zheng, J., … Bell, R. L. (2021). Salmonella enterica colonization and fitness in pre-harvest cantaloupe production. FOOD MICROBIOLOGY, 93. https://doi.org/10.1016/j.fm.2020.103612

Burris, K. P., Simmons, O. D., Webb, H. M., Deese, L. M., Moore, R. G., Jaykus, L.-A., … Bell, R. L. (2020). Colonization and Internalization of Salmonella enterica and Its Prevalence in Cucumber Plants. Frontiers in Microbiology, 11. https://doi.org/10.3389/fmicb.2020.01135

Moore, R. G., Ducharme, D. T., Burris, K. P., Simmons, O. D., III, Jaykus, L. A., Zheng, J., … Bell, R. L. (2019). Antimicrobial Resistance of Salmonella Recovered from Environmental Samples on Three North Carolina Tomato Farms. Presented at the International Association for Food Protection Annual Meeting, Louisville, KY.

Burris, K. P., Simmons, O. D., III, Webb, H. M., Moore, R. G., Jaykus, L. A., Zheng, J., … Bell, R. L. (2019). Prevalence and Fitness of Produce Outbreak Associated Salmonella enterica in Tomato Plants. Presented at the International Association for Food Protection, Louisville, KY.

Burris, K. P., Webb, H. M., Simmons, O. D., III, Moore, R. G., Jaykus, L. A., Zheng, J., … Bell, R. L. (2018). Colonization and Internalization of Salmonella enterica in Cantaloupe Plants. Presented at the International Association for Food Protection, Salt Lake City, UT.

Simmons, O. D., III. (2018). FSMA Update Presentation. Presented at the North Carolina Department of Agriculture Soil and Water Conversation Division, Fayetteville, NC.

Simmons, O. D., III. (2018). FSMA Update Presentation. Presented at the North Carolina Blueberry Growers Association Annual Meeting, Fayetteville, NC.

Simmons, O. D., III. (2018). FSMA Update Presentation to the Natural Environment Committee. Presented at the Association of Soil and Water Conservation Districts Annual Meeting, Durham, NC.

Simmons, O. D., III. (2018). FSMA for Small Farms Workshop. Presented at the Chatham County, Pittsboro, NC.

Simmons, O. D., III. (2018). FSMA for Small Farms Workshops. Presented at the Johnston County, Smithfield, NC.

Simmons, O. D., III. (2018). Pasquotank County Cabbage Growers Meeting.

Simmons, O. D., III. (2018). Southeast Fruit & Vegetable EXPO. Presented at the Myrtle Beach, SC.

Bailey, E. S., Casanova, L. M., Simmons, O. D., III, & Sobsey, M. D. (2018). Tertiary treatment and dual disinfection to improve microbial quality of reclaimed water for potable and non-potable reuse: A case study of facilities in North Carolina. SCIENCE OF THE TOTAL ENVIRONMENT, 630, 379–388. https://doi.org/10.1016/j.scitotenv.2018.02.239

Burris, K. P., Simmons, O. D., III, Jaykus, L. A., Zheng, J., Reed, E., Brown, E., … Webb, H. M. (2017, July 9). Colonization and internalization of Salmonella enterica in cucumber plants. Presented at the International Association for Food Protection, Tampa, FL.

Simmons, O. D., III, Johnston, L., & Nobles, C. (2017, January). FSMA Preparedness in North Carolina: Where do we stand today? Presented at the 57th North Carolina SweetPotato Commission’s Annual Meeting of Membership, Clinton, NC.

Rogers, E. T., & Simmons, O. D., III. (2017, June 20). FSMA’s Produce Safety Rule: Its impact on Small Farms. Presented at the North Carolina Association of County Extension Agents Annual Meeting, Hickory, NC.

Simmons, O. D., III. (2017, January). The FSMA Fresh Produce Rule: Provisions that Apple Growers Should Understand! Presented at the Southeast Apple Growers Meeting, Asheville, NC.

Bradshaw, E., Simmons, O. D., III, & Jaykus, L. A. (2017, April). Updates from the NoroCORE Project: Progress toward Reducing the Burden of Foodborne Viruses. Food Safety Magazine.

Rogers, E. T., & Simmons, O. D., III. (2017, January). What do you need to know about FSMA’s Produce Safety Rule? Presented at the North Carolina Peach Growers Society Annual Meeting, Carthage, NC.

Simmons, O. D., III, MacMullan, A., & McReynolds, R. (2016, May). Coordinated Efforts for FSMA Preparedness in North Carolina. Presented at the North Carolina Food Manufacturing Task Force meeting, Raleigh, NC.

Arnold, N., Cope, S., Simmons, O. D., III, & Chapman, B. (2016, August 1). Knowledge and Risk Communication for Undercooked Oyster Preparation in Restaurants. Presented at the International Association for Food Protection Annual Meeting, St. Louis, MO.

Lu, H., Yuan, W., Cheng, J., Rose, R. B., Classen, J. J., & Simmons, O. D. (2016). Modeling the Growth of Archaeon Halobacterium halobium Affected by Temperature and Light. Applied Biochemistry and Biotechnology, 181(3), 1080–1095. https://doi.org/10.1007/s12010-016-2270-x

Ducharme, D. T., Gunter, C., Simmons, O. D., III, Rogers, E. T., Johnston, L., & Nobles, C. (2016, November 15). Reinforcing Key Learning Concepts of Food Safety & The FSMA Through Customizable Interactive Practices. Presented at the North Carolina Cooperative Extension Annual Conference, Raleigh, NC.

Hu, D., Wang-Li, L., Simmons, O. D., Classen, J. J., & Osborne, J. A. (2016). Size Distributions of Bioaerosols in an Egg Production Facility and Its Vicinity. ENVIRONMENTAL ENGINEERING SCIENCE, 33(4), 215–223. https://doi.org/10.1089/ees.2015.0220

Simmons, O. D., III, Gunter, C., Ducharme, D. T., Rogers, E. T., Nobles, C., & Johnston, L. (2016, November 15). What Does the Reality of the Food Safety Modernization Act (FSMA) Look Like for our Stakeholders? Presented at the North Carolina Cooperative Extension Annual Conference, Raleigh, NC.

Simmons, O. D., III, Gunter, C., & Ducharme, D. T. (2015). A Fresh Produce Update. Presented at the North Carolina Food Safety and Defense Task Force – North Carolina Fresh Produce Safety Task Force Joint Meeting.

Ducharme, D. D., Gunter, C. C., Perkins-Veazie, P., Simmons, O. D., III, Zheng, J., Son, I., … Jaykus, L. A. (2015, July 25). Agricultural Biodiversity within North Carolina Tomato Production Systems Associated with Serotypes and Environmental Reservoirs of Salmonella spp. Presented at the International Association for Food Protection Annual Meeting, Portland, OR.

Ducharme, D., Zheng, J., Reed, E., Ferreira, C. M., Burrows, E. W., Wang, C. Y., … Gunter, C. C. (2015, May 30). Ecology, distribution, persistence and diversity of salmonellae isolated from the Coastal Plains, Piedmont and Mountain regions of North Carolina. Presented at the 115th American Society for Microbiology General Meeting, New Orleans, LA.

Simmons, O. D., III. (2015). Food Safety Modernization Act (FSMA) Water Testing Requirements. Presented at the North Carolina Farm Bureau conference call.

Jenny, R. M., Jasper, M. N., Simmons, O. D., III, Shatalov, M., & Ducoste, J. J. (2015). Heuristic optimization of a continuous flow point-of-use UV-LED disinfection reactor using computational fluid dynamics. Water Research, 83, 310–318. https://doi.org/10.1016/j.watres.2015.06.031

Simmons, O. D., III. (2015). High Pathogenic Avian Influenza: Sources, Fate, and Transport in the Environment. Presented at the North Carolina Department of Agriculture & Consumer Services - Meeting with Assistant Commissioners of Agriculture.

Gutierrez-Rodriguez, E., Chapman, B., Strawn, L., Ducharme, D. T., Gunter, C., MacMullan, A., & Simmons, O. D., III. (2015, January 8). Identifying Risks in a Fresh Produce Packing House. Presented at the Southeast Fruit and Vegetable Expo.

Simmons, O. D., III. (2015). Irrigation Water: Updates to Pending FSMA Regulations and a NC Case Study. Presented at the North Carolina Irrigation Society Meeting.

Simmons, O. D., III, & Jaykus, L. A. (2015, May). Noroviruses: Some Facts to Ponder Before Having Lunch! Presented at the North Carolina Food Safety and Defense Annual Meeting, Research Triangle Park, NC.

Hu, D., Wang-Li, L., Simmons III, O. D., Classen, J. J., & Osborne, J. A. (2015). Spatiotemporal Variations of Bioaerosols  in the Vicinity of an Animal Feeding  Operation Facility in the US. Journal of Environmental Protection, 6(6), 614–627. https://doi.org/10.4236/jep.2015.66056

Simmons, O. D., III, Ducharme, D. T., & Gutierrez-Rodriguez, E. (2015, December 7). The Food Safety Modernization Act (FSMA): Implementation of the Produce Safety and Preventive Controls Rules and a Plan to Meet the Training Requirements. Presented at the State Extension Conference, Raleigh, NC.

Simmons, O. D., III. (2015). USDA-NIFA Food Virology Collaborative Executive Board Update: Activity 5.5 Outreach to the Molluscan Shellfish Industry. Presented at the NoroCORE Executive Board Meeting.

Hu, D., Wang-Li, L., Simmons, O. D., Classen, J. J., Osborne, J. A., & Byfield, G. E. (2014). Bioaerosol concentrations and emissions from tunnel-ventilated high-rise layer houses in North Carolina. Transactions of the ASABE, 57(3), 915–925.

Ducharme, D., Gunter, C., Perkins-Veazie, P., Simmons, O. D., III, Zheng, J., Son, I., … Jaykus, L. A. (2014, July 28). Detection and Characterization of Salmonella spp. and Correlation with Microbial Indicators in NC Tomato Production Environments. Presented at the 111th Annual Meeting American Society for Horticultural Science, Orlando, FL. Retrieved from https://cdn.ymaws.com/ashs.org/resource/resmgr/Files/2014_program.pdf

Ducharme, D., Gunter, C., Perkins-Veazie, P., Simmons, O. D., III, Zheng, J., Son, I., … Jaykus, L. A. (2014). Environmental Reservoirs of Salmonella spp. in Field and Water Samples Associated with N.C. Tomato Production. Field and Water Samples Associated with N.C. Tomato Production.” Presented at the International Association for Food Protection Annual Meeting, Indianapolis, IN.

Ducharme, D., Gunter, C., Perkins-Veazie, P., Simmons, O. D., III, Zheng, J., Son, I., … Jaykus, L. A. (2014, March 26). Environmental Sampling of NC Tomato Production Systems for Salmonella spp. Presented at the 9th Annual NC State University Graduate Student Research Symposium, Raleigh, NC.

Gensel, C. L., Simmons, O. D., III, & Jaykus, L. A. (2014). Food Virology Collaborative: NoroCORE Tackles Foodborne Viruses. Food Safety Magazine, 20(2).

Simmons, O. D., III. (2014, November 6). Irrigation Water for Fresh Produce: Impacts to Food Safety. Presented at the North Carolina Irrigation Society Meeting, Raleigh, NC.

Jenny, R. M., Simmons, O. D., III, Shatalov, M., & Ducoste, J. J. (2014). Modeling a continuous flow ultraviolet Light Emitting Diode reactor using computational fluid dynamics. CHEMICAL ENGINEERING SCIENCE, 116, 524–535. https://doi.org/10.1016/j.ces.2014.05.020

Simmons, O. D., III. (2014). Stakeholder Update: A Perspective from the Fresh Produce Industry. Presented at the NoroCORE Annual Full Team Meeting.

Simmons, O. D., III, & Jaykus, L. A. (2014). The USDA-NIFA Food Virology Collaborative: NoroCORE. Presented at the Interstate Shellfish Sanitation Conference (ISSC), Gulf and South Atlantic Shellfish Sanitation Conference.

Simmons, O. D., III, & Jaykus, L. A. (2014, November). Viral Contamination of Berries: Information All Growers Should Know! Presented at the Southeast Strawberry Expo., Pinehurst, NC.

Simmons, O. D., III, & Jaykus, L. A. (2014, December). Viruses and Fresh Produce: Important Information that Every Producer Should Know! Presented at the 29th Annual Southeast Vegetable and Fruit Expo, Myrtle Beach, SC.

Mixson, S. M., Stikeleather, L. F., Simmons, O. D., III, Wilson, C. W., & Burkholder, J. A. M. (2014). pH-induced flocculation, indirect electrocoagulation, and hollow fiber filtration techniques for harvesting the saltwater microalga Dunaliella. Journal of Applied Phycology, 26(4), 1701–1709. https://doi.org/10.1007/s10811-013-0232-z

Simmons, O. D., III. (2013, November). Enhancing Food Security through Pre-Harvest Food Safety: Current Research and Outreach for Practical Solutions. Presented at the North Carolina State University Fulbright Scholars Program, Raleigh, NC.

Jenny, R. M., Simmons, O. D., III, & Ducoste, J. J. (2013, November 10). Experimental and numerical evaluation of a UV-LED point of use device. Presented at the 93rd Annual Conference American Water Works Association and the Association of the Water Environment Federation, North Carolina Section, Concord, NC.

Simmons, O. D., III. (2013). Food Safety in the United States: Current Trends. Presented at the Visit from Moldovan scholars to the North Carolina State University Department of Biological and Agricultural Engineering, Raleigh, NC.

Simmons, O. D., III, & Jaykus, L. A. (2013). Fruit and Vegetable. Presented at the International Association for Food Protection Annual Meeting, Charlotte, NC.

Ducharme, D., Gunter, C., Jaykus, L., Perkins-Veazie, P., Simmons, O. D., III, Zheng, J., … Brown, E. (2013, July 28). Incidence and Persistence of Salmonella and Escherichia coli in Environmental Samples from North Carolina Tomato Production Systems. Presented at the International Association for Food Protection Annual Meeting, Charlotte, NC.

Ducharme, D., Gunter, C., Jaykus, L. A., Perkins-Veazie, P., Simmons, O. D., III, Zheng, J., … Brown, E. (2013, August). Incidence and Persistence of Salmonella and Escherichia coli in Environmental Samples from North Carolina Tomato Production Systems. Presented at the N.C. State University Annual Tomato and Vegetable Field Day, Raleigh, NC.

Ducharme, D., Zheng, J., Allard, S. E., Burrows, W., Wang, C. Y., Arce, G. C., … Gunter, C. G. (2013, May 18). Prevalence and diversity of Salmonella associated with North Carolina tomato growing environments. Presented at the 113th American Society for Microbiology General Meeting, Denver, CO.

Simmons, O. D., III, & Jaykus, L. A. (2013, July). Seafood Safety. Presented at the International Association for Food Protection Annual Meeting, Charlotte, NC. Retrieved from https://www.foodprotection.org/annualmeeting/archive/2013/

Simmons, O. D., III, & Jaykus, L. A. (2013, July 28). Seafood Safety. Presented at the International Association for Food Protection Annual Meeting, Charlotte, NC.

Kim, J. J., Simmons, O. D., III, & Sobsey, M. D. (2013, May 18). The Cysticidal Activity of Bromine on Cryptosporidium parvum Oocysts. Presented at the 113th American Society for Microbiology General Meeting, Denver, CO.

Kim, J. J., Simmons, O. D., III, & Sobsey, M. D. (2013, November 3). The Cysticidal Activity of Bromine on Cryptosporidium parvum Oocysts. Presented at the American Water Works Association, Water Quality and Technology Conference, Long Beach, CA.

Wu, J., Simmons, O. D., III, & Sobsey, M. D. (2013). Uncertainty analysis of the recovery of hollow-fiber ultrafiltration for multiple microbe classes from water: A Bayesian approach. JOURNAL OF MICROBIOLOGICAL METHODS, 93(3), 161–167. https://doi.org/10.1016/j.mimet.2013.03.005

Simmons, O. D., III, & Jaykus, L. A. (2013, July 28). Updates on NoroCORE activities for IAFP Professional Development Groups (PDGs).” Presented at the International Association for Food Protection Annual Meeting, Charlotte, NC.

Simmons, O. D., III, & Jaykus, L. A. (2013, January). Viruses in Fresh Produce: What Every Producer Should Know! Presented at the Southeast Regional Fruit and Vegetable Conference, Savannah, GA.

Simmons, O. D., III, & Jaykus, L. A. (2013). Viruses in Shellfish and other Foods: Are they really that important?? Webinar presented at the American College of Veterinary Preventive Medicine.

Simmons, O. D., III, & Jaykus, L. A. (2013, January). Viruses in Shellfish: What all Commercial Fishermen Should Know!” Presented at the 39th Annual East Coast Commercial Fishermen's & Aquaculture Trade Exposition, Ocean City, MD.

Simmons, O. D., III, & Jaykus, L. A. (2013, July 28). Water Safety and Quality. Presented at the International Association for Food Protection Annual Meeting, Charlotte, NC.

Simmons, O. D., III. (2013). What’s that in your pomegranate seeds?? Recent microbial threats linked to fresh fruits and vegetables. Presented at the 28th Annual Southeast Vegetable and Fruit Growers Expo, Myrtle Beach, SC.

Simmons, O. D., III, & Jaykus, L. A. (2012, April). Control of Human Virus Contamination in Molluscan Shellfish: Where we are and where we need to be? Presented at the Intrastate Shellfish Sanitation Conference and South Atlantic Shellfish Conference, Savannah, GA.

Chapman, B., Gunter, C., & Simmons, O. D., III. (2012, August). Farm Commodity Recall Workshop. Presented at the North Carolina Commissioner of Agriculture, Food Safety Forum, Raleigh, NC.

Gunter, C., Barrier, H., & Simmons, O. D., III. (2012). Irrigation Water Concerns and Recommendations for Fruit and Vegetable Growers. Presented at the Axiall/PPG Industrial Specialists Conference, Charlotte, NC.

Hu, D., Wang-Li, L., O.D. Simmons, O. D., III, Osborne, J. A., & Classen, J. J. (2012, April 24). Measurement and Analysis of Temporal and Spatial Variations of Bioaerosol Concentrations in a High-rise Egg Production House. Presented at the Air and Waste Management Association Symposium on Air Quality Measurement Methods and Technology, Durham, North Carolina.

Simmons, O. D., III. (2012, November 5). Safe Feedstock Handling For Vermiculture Operations. Presented at the North Carolina State University 13th Vermiculture Conference, Chapel Hill, NC.

Hu, D., Wang-Li, L., Simmons, O. D., III, Osborne, J. A., & Classen, J. J. (2012, July 29). Temporal and Spatial Variations of Bioaerosols Emitted from an Egg Production Facility in Southeast U.S Part II - Concentrations in the Vicinity. Presented at the American Society of Agricultural and Biological Engineers Annual Meeting, Dallas, Texas.

Hu, D., Wang-Li, L., Simmons, O. D., III, Osborne, J. A., & Classen, J. J. (2012, July 29). Temporal and Spatial Variations of Bioaerosols Emitted from an Egg Production Facility in Southeast U.S.: Part III – Size Distributions and Viable Versus Non-Viable. Presented at the American Society of Agricultural and Biological Engineers Annual Meeting, Dallas, Texas.

Simmons, O. D., III. (2012). The Role of Water for Maintaining the Microbial Quality of Fresh Produce During Production". Presented at the North Carolina State University Fulbright Scholars Symposium, Raleigh, NC.

Simmons, O. D., III, & Jaykus, L. A. (2012, November). Viruses in Fresh Produce: What Every Producer Should Know! Presented at the 27th Southeast Regional Fruit and Vegetable Expo, Myrtle Beach, SC.

Hu, D., Wang-Li, L., Simmons, O. D., III, Osborne, J. A., & Classen, J. J. (2011, August 7). Concentration of bioaerosols in the vicinity of a commercial egg production farm in Southeast U.S. Presented at the American Society of Agricultural and Biological Engineers Annual Meeting, Louisville, KY.

Classen, J., Rice, J. M., McNeill, J. P., & Simmons, O. (2011). Design and evaluation of a discreet sampler for waste treatment lagoons. Applied Engineering in Agriculture, 27(6), 1007–1014. https://doi.org/10.13031/2013.40621

Ducharne, D., & Simmons, O. D., III. (2011). In-Service Good Agricultural Practices (GAP) Training. Presented at the North Carolina Department of Agriculture and Consumer Services, Raleigh, NC.

Ducharme, D., Simmons, O. D., III, & Turner, L. (2011, December). In-Service Good Agricultural Practices (GAP) Training. Presented at the Training for county extension personnel, Kannapolis, NC.

Hathaway, J., Simmons, O. D., III, & Hunt, W. F., III. (2011). Microbes and Stormwater 101: An Introduction to Pathogens and Indicator Bacteria in Urban Stormwater Runoff. Presented at the Charlotte, NC.

Simmons, O. D., III, & Gunter, C. G. (2011, November). Water Management for Safe Strawberries. Presented at the Southeast Strawberry Expo., Research Triangle Park, NC.

Simmons, O. D., III. (2011). Water Testing Updates for Tier 2 Good Agricultural Practices (GAP) Training. Presented at the NC Fresh Produce Safety Task Force Elluminate Webinar.

Simmons, O. D., III. (2010). Alternative Systems for Managing Microbial Pathogens on CAFOs. Webcast.

Wang, L., & Simmons, O. D., III. (2010, September 13). Bioaerosol Measurement in Animal Environments. Presented at the International Symposium on Air Quality and Manure Management for Agriculture, Dallas, Texas.

Wu, J., Rodriguez, R., Simmons, O. D., III, Stewart, J. R., & Sobsey, M. D. (2010, May 23). Concentrating Adenovirus 41 in Drinking Water using Electronegative Membrane Filtration and Hollow Fiber Utrafiltration. Poster presented at the 110th  American Society for Microbiology General Meeting, San Diego, CA.

Simmons, O. D., III, & Garzon, J. (2010, May 23). Copper Ionization for Inactivating E. coli, Coliphage MS2, and Bacillus Atrophaeus Spores in Irrigation Water for Fruits and Vegetables. Poster presented at the 110th American Society for Microbiology General Meeting, San Diego, CA.

Ko, G. P., Simmons, III, O. D., Likirdopulos, C. A., Worley-Davis, L., Williams, C. M., & Sobsey, M. D. (2010). Endotoxin Levels at Swine Farms Using Different Waste Treatment and Management Technologies. Environmental Science & Technology, 44(9), 3442–3448. https://doi.org/10.1021/es9026024

Hathaway, J. M., Hunt, W. F., & Simmons, O. D., III. (2010). Statistical Evaluation of Factors Affecting Indicator Bacteria in Urban Storm-Water Runoff. Journal of Environmental Engineering, 136(12), 1360–1368. https://doi.org/10.1061/(asce)ee.1943-7870.0000278

Wang, L., Li, Q., Esch, K., Simmons, O. D., III, Classen, J., & Beasley, D. B. (2009). Biological Characteristics of Aerosols Emitted From A Layer Operation In Southeastern U.S. Proceedings of the American Society of Agricultural and Biological Engineers Annual International Meeting. Presented at the American Society of Agricultural and Biological Engineers Annual International Meeting, Reno, NV. https://doi.org/10.13031/2013.28035

Cizek, A. R., Characklis, G. W., Krometis, L.-A., Hayes, J. A., Simmons, O. D., III, Di Lonardo, S., … Sobsey, M. D. (2008). Comparing the partitioning behavior of Giardia and Cryptosporidium with that of indicator organisms in stormwater runoff. Water Research, 42(17), 4421–4438. https://doi.org/10.1016/j.watres.2008.06.020

Casteel, M. J., Guarin, H. G., & Simmons, O. D., III. (2008). Improved Hollow-fiber Ultrafiltration and Real-time PCR Detection for the Recovery and Detection of Waterborne Microbes. Presented at the Society for Industrial Microbiology Annual Meeting and Exhibition.

Andersen, E., Lee, H., Casteel, M. J., Sobsey, M. D., & Simmons, O. D., III. (2008, June 1). Improved Recovery of Multiple Microbial Indicator Organisms from Source and Treated Drinking Waters by Optimized Hydraulic Modification to Hollow-fiber Ultrafilters. Poster presented at the 108th General Meeting American Society for Microbiology, Boston, MA.

Ko, G. P., Simmons III, O. D., Likirdopulos, C. A., Worley-Davis, L., Williams, M., & Sobsey, M. D. (2008). Investigation of Bioaerosols Released from Swine Farms using Conventional and Alternative Waste Treatment and Management Technologies. Environmental Science & Technology, 42(23), 8849–8857. https://doi.org/10.1021/es801091t

Simmons, O. D., III. (2008). Methods to Monitor Source Water for Microbial Contaminants. Presented at the North Carolina Forum on Water Quality Monitoring (NCforWater), Charlotte, NC.

Lee, H., Simmons, O. D., III, & Sobsey, M. D. (2008, June 1). Optimized Secondary Concentration of Adenovirus and Echovirus by Polyethylene glycol (PEG) Precipitation of Primary Water Concentrates. Poster presented at the 108th General Meeting American Society for Microbiology, Boston, MA.

Bull, L. S., Meyer, D., Rice, J. M., & Simmons, O. D., III. (2008). Recent Changes in Food Animal Production and Impacts on Animal Waste Management [Pew Commission on Industrial Farm Animal Production Technical Report]. Retrieved from Pew Commission on Industrial Farm Animal Production website: http://www.pcifapia.org/_images/PCIFAP_FW_FINAL1.pdf

Simmons, O. D., III. (2008, May). What We Know and What We Don’t Know about Microbial Pathogens Associated with Confined Animal Agriculture. Presented at the National Pork Board Meeting: Water Quality Research Meeting, Des Moines, IA.