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Other Publications

Probabilistic Risk Assessment

Holmes, C.M., and R.C. Williams. 2008. Addressing the spatial & temporal probability of a field being treated for landscape drift PEC estimation. In Abstracts SETAC Europe 18th Annual Meeting, Warsaw, Poland, 25-29 May, 2008. SETAC Europe, Brussels, Belium.

Cheplick, J.M., P.L. Havens, P. Hendley, S.H. Jackson, and G.J. Sabbagh. 2006. National pyrethroid aquatic exposure analysis (1): Relative erosion potential summarized by watershed. In Abstracts, 232nd National Meeting and Exposition of the American Chemical Society, San Francisco, CA, 10-14 Sept., 2006. ACS, Washington, DC.

Ritter, A.M., P. Hendley, M.G. Dobbs, and G.J. Sabbagh. 2006. National pyrethroid aquatic exposure analysis (2): Regional sensitivity to drift and erosion entry. In Abstracts, 232nd National Meeting and Exposition of the American Chemical Society, San Francisco, CA. 10-14 Sept., 2006. ACS, Washington, DC.

Holmes, C.M. P.L. Havens, P. Hendley, S. Jackson, and G.J. Sabbagh. 2006. National pyrethroid aquatic exposure analysis (3): Combining potential vulnerability from spray drift, erosion and pyrethroid use. In Abstracts, 232nd National Meeting and Exposition of the American Chemical Society, San Francisco, CA, 10-14 Sept. 2006. ACS, Washington, DC.

Holmes, C.M. 2006. Using spatial approaches to examine natural variation in the agricultural landscape for aquatic exposure assessment. In Abstracts, Behaviour of Pesticides in Air, Soil and Water, 8th annual conference, Akademie Fresenius, Frankfurt-Mörfelden, Germany, 21-22 June 2006. Akademie Fresenius, Dortmund, Germany.

Holmes, C.M. 2006. Using spatial technologies to generate probabilistic inputs for pesticide aquatic exposure modeling. In Abstracts, SETAC Europe 16th Annual Meeting, The Hague, The Netherlands, 7-11 May 2006. SETAC Europe, Brussels, Belgium.

Sacramento River Watershed Program (SRWP). 2006. Pesticide Loading Analysis in the Sacramento River Watershed. Prepared by Waterborne Environmental, Inc.

Giddings, J M., T.A. Anderson, L.W. Hall, A.J. Hosmer, R.J. Kendall, R.P. Richards, K.R. Solomon, W.M. Williams. 2005. Aquatic Ecological Risk Assessment of Atrazine -- A Tiered Probabilistic Approach. SETAC Press, Pensacola, FL.

Ramanarayanan, T.S., J.M. Cheplick, R. Allen, R.F. Pugsley, M.G. Dobbs, and W.M. Williams. 2002. Probabilistic Assessment of Runoff Exposure to Non-target Plants from a Herbicide applied to Adjacent Corn Fields. ASAE Annual International Meeting /CIGR XV World Congress, Chicago, IL. ASAE Meeting Paper Number: 02-2011., 29 July-1 Aug., 2002. ASABE, St. Joseph, MI.

Ritter, A.M, J.L Shaw, W.M. Williams, and K.Z. Travis. 1999. Characterizing Aquatic Ecological Risks from Pesticides using a Diquat Dibromide Case Study. I. Probabilistic Exposure Estimates. Environmental Toxicology and Chemistry. 19(3). 1999.

Ecological Committee for FIFRA Risk Assessment Methods (ECOFRAM), 1999. ECOFRAM Aquatic Report. Sponsored by the US Environmental Protection Agency, Office of Pesticide Programs.

Conference Abstracts and Posters

2009

Ritter, A. M., W.M. Williams, J. Z. Tang, T. Ramanarayanan, D. Desmarteau, R. Jones, R, and S. Anderson, 2009, Comparison of aquatic exposure assessment models for pesticide use on rice, in Proceedings, of Pesticide Behaviour in Soils, Water and Air, 14-16 September 2009, York, UK.

Cheplick, J.M. 2009. Recent code enhancements to the pesticide root zone model (PRZM): Linked watershed modeling and harmonization with FOCUS models. 238th ACS National Meetings, Washington, DC. 16-20 Aug. 2009. ACS, Washington, DC.

Vamshi, R., C.G. Hoogeweg, D.I. Gustafson, and R. Boeker. 2009. Acetochlor stewardship. 238th ACS National Meetings, Washington, DC. 16-20 Aug. 2009. ACS, Washington, DC.

Chen, W., and J.M. Cheplick. 2009. A new PRZM algorithm for predicting bi-phasic degradation of pesticide in soil using coupled time-dependent sorption and degradation kinetics: Model theory and conceptualization. ACS National Meetings, Washington, DC. 16-20 Aug. 2009. ACS, Washington, DC.

Ritter, A.M., W.M. Williams, J. Tang, T.S. Ramanarayanan, D. Desmarteau, and S. Anderson. 2009. Comparison of aquatic exposure assessment models for pesticide use on rice. ACS National Meetings, Washington, DC. 16-20 Aug. 2009. ACS, Washington, DC. Download Poster

Williams, W.M., P. Hendley, S.H. Jackson, A.M. Ritter, J.M. Cheplick, and C.M. Holmes. 2009. Is the U.S. Environmental Protection Agency’s pesticide aquatic risk assessment process protective?. ACS National Meetings, Washington, DC. 16-20 Aug. 2009. ACS, Washington, DC.

Trask, J.R.,C.M. Harbourt, R.L. Jones, M.J. Cox, C. Lam, and L. Zwilling. 2009. Washoff/runoff of cypermethrin residues from slabs of external building material surfaces using simulated rainfall. ACS National Meetings, Washington, DC. 16-20 Aug. 2009. ACS, Washington, DC.

Hoogeweg, C.G., and C.M. Holmes. 2009. Geospatial risk assessment for agro-chemicals: An abridged history. ACS National Meetings, Washington, DC. 16-20 Aug. 2009. ACS, Washington, DC.

Burns, M., A.N. Crossan, C.G. Hoogeweg, A.C. Barefoot, and I.R. Kennedy. 2009. Using GIS for spatial modeling in ecological risk assessment of agrochemicals at the catchment-scale in Australia. ACS National Meetings, Washington, DC. 16-20 Aug. 2009. ACS, Washington, DC.

Holmes, C.M., B. Lee, S.D. Dyer, C.E. White-Hull, K.E. Kapo, A. Burton, L. Posthuma, D. de Zwart, and C. Mulder. 2009. Development of spatially explicit model inputs for evaluating ecological impacts to streams in Ohio. ACS National Meetings, Washington, DC. 16-20 Aug. 2009. ACS, Washington, DC.

Miller, P.S., L. Zwilling, J.M. Cheplick, C.M. Harbourt, J.J. Prenger, and D. Mao. 2009. National scale modeling framework design for probabilistic agrichemical risk assessment. ACS National Meetings, Washington, DC. 16-20 Aug. 2009. ACS, Washington, DC.

Harbourt, C.M. Harbourt, L.S. Carver, P. Hendley, N.J. Snyder, J.R. Trask, P.S. Miller, E. Johnston, and S. Chen. 2009. Atrazine ecological exposure monitoring program: Study design and conduct. ACS National Meetings, Washington, DC. 16-20 Aug. 2009. ACS, Washington, DC.

Hendley, P., C.M. Harbourt, P.S. Miller, J.J. Prenger, and D. Volz. 2009. Agrochemical surface water monitoring—Interpreting results from the atrazine ecological exposure monitoring study. ACS National Meetings, Washington, DC. 16-20 Aug. 2009. ACS, Washington, DC.

Miller, P.S., C.M. Harbourt, N.J. Snyder, P. Hendley, and J.J. Prenger. 2009. Hybrid PRZM: combining high frequency field sampling data and simulation modeling. ACS National Meetings, Washington, DC. 16-20 Aug. 2009. ACS, Washington, DC.

Miller, P.S., J.J. Prenger, C.M. Harbourt, and P. Hendley. 2009. Determining the depth to a restrictive or claypan layer: National assessment at the field scale. ACS National Meetings, Washington, DC. 16-20 Aug. 2009. ACS, Washington, DC.

Miller, P.S., J.M. Cheplick, J.J.Prenger, L. Zwilling, D. Mao, and C.M. Harbourt. 2009. National SSURGO based PRZM modeling: Comparative exposure potential. ACS National Meetings, Washington, DC. 16-20 Aug. 2009. ACS, Washington, DC.

Holmes, C.M., P.S. Miller, D. Mao, J.J. Amos, J.J. Prenger, and C.M. Harbourt. 2009. Visualization challenges in high resolution spatial assessments. ACS National Meetings, Washington, DC. 16-20 Aug. 2009. ACS, Washington, DC.

Ritter, A.M., W.M. Williams, J.M. Cheplick, P. Hendley, N.J. Snyder, and M. Ball. 2009. Modeling the magnitude and duration of atrazine concentrations in small midwestern watersheds using PRZM-RIVWQ. AmyACS National Meetings, Washington, DC. 16-20 Aug. 2009. ACS, Washington, DC.

Hoogeweg, C.G, A.M. Ritter, C.M. Holmes, and E.J. Pemberton. 2009. Refined catchment scale modelling of pesticides in the UK—A Pilot Study. SETAC Europe: 19th Annual Meeting, Göteborg, Sweden. 31 May–4 June, 2009. SETAC Europe, Brussels, Belgium.

2008

Denton, D., J. Wrysinski, M.T. Moore, I. Werner, J.L. Miller, L.A. Deanovic, C.M. Cooper, D. Crane, M. Huddelston, W. Martin Williams, and P. Robins. 2008. Benefits of vegetated agricultural drainage ditches for water quality improvement. In Abstracts, SETAC North America, 29th Annual Meeting, Tampa, FL. 16-20 Nov., 2008, SETAC Tampa, FL.

Hoogeweg, C.G., C.M. Holmes, and E.J. Pemberton. 2008. Refined catchment scale modeling of pesticides in the UK. In Abstracts,ACS 236th National Meeting, Philidelphia, PA. 17-21 Aug. 2008. ACS, Washington, DC.

Holmes, C.M., and K.L. Barrett. 2008. Higher tier exposure modeling of veterinary pharmaceuticals-–a UK case study. In Abstracts,ACS 236th National Meeting, Philidelphia, PA. 17-21 Aug. 2008. ACS, Washington, DC.

Vamshi, R., P.S. Miller, and C.M. Holmes. 2008. Experiences with NHDPlus and pesticide exposure assessment. In Abstracts,ACS 236th National Meeting, Philidelphia, PA. 17-21 Aug. 2008. ACS, Washington, DC.

Holmes, C.M., and K.L. Barrett. 2008. Higher tier exposure modeling of veterinary pharmaceuticals—a UK case study. In Abstracts, ACS 236th National Meeting, Philidelphia, PA. 17–21 Aug., 2008. ACS, Washington, DC.

Vamshi, R., P.S. Miller, and C.M. Holmes. 2008. Experiences with NHDPlus and pesticide exposure assessment. In Abstracts, ACS 236th National Meeting, Philidelphia, PA. 17–21 Aug., 2008. ACS, Washington, DC.

Williams, R.C., and C.M. Holmes., 2008. Modeling pesticide spray drift—applications to the Chesapeake Bay watershed. In Abstracts, ACS 236th National Meeting, Philidelphia, PA. 17–21 Aug., 2008. ACS, Washington, DC.

Hoogeweg, C.G., C.M. Holmes, and E.J. Pemberton. 2008. Refined catchment scale modeling of pesticides in the UK. In Abstracts, ACS 236th National Meeting, Philidelphia, PA. 17-21 Aug., 2008. ACS, Washington, DC.

Hoogeweg, C.G., A. Barefoot, N. Mackay, and A.M. Ritter. 2008. Watershed modeling for describing diuron concentrations in the Pioneer River under varying management practices. In Abstracts, 5th SETAC World Congress Meeting, Sydney, Austrailia. 3–7 Aug., 2008, SETAC, Sydney, Australia.

Cheplick, J.M., A. Barefoot, C.G. Hoogeweg, and N. Mackay. 2008. Evaluation of the impact of vegetative strips on diuron runoff in the Pioneer River watershed. In Abstracts, 5th SETAC World Congress Meeting, Sydney, Australia. 3–7 Aug., 2008. SETAC, Sydney, Australia.

Williams, W.M., A.M. Ritter, and C.G. Hoogeweg. 2008. RICEWQ: Pesticide risk assessment model for rice. In Abstracts, SETAC World Congress Meeting, Sydney, Australia. 3–7 Aug., 2008, SETAC, Sydney, Australia.

Williams, W.M. 2008. Model review and scenario development for urban pesticide runoff model. In Abstracts, 10th International Fresenius AGRO Conference on “Behaviour of Pesticides in Air, Soil and Water”, Mainz, Germany. 7–8 July, 2008, Akademie Ferenius, Mainz, Germany.

Holmes, C.M. and C.D. Brown. 2008. Final report of the FOCUS Working Group on Landscape and Mitigation. In Abstracts, 10th International Fresenius AGRO Conference on “Behaviour of Pesticides in Air, Soil and Water”, Mainz, Germany. 7–8 July, 2008. Akademie Ferenius, Mainz, Germany.

Ritter, A.M., C.G. Hoogeweg, A. Barefoot, and N. Mackay. 2008. Fate and transport modeling of diuron used on sugarcane in the Pioneer River watershed, Australia. In Abstracts, 4th Pan Pacific Conference on Pesticide Science, Honolulu, HI. 1–5 June, 2008. ACS, Washington, DC.

Ritter,A.M., and W.M. Williams. 2008. RICEWQ: Pesticide risk assessment model for rice. In Abstracts, 4th Pan Pacific Conference on Pesticide Science, Honolulu, HI. 1–5 June, 2008. ACS, Washington, DC.

Holmes, C.M., and K.L. Barrett. 2008. Modelling beyond VetCalc—Options for higher tier exposure modelling of veterinary pharmaceuticals. In Abstracts, SETAC Europe 18th Annual Meeting, Warsaw, Poland. 25–29 May, 2008. SETAC, Warsaw, Poland.

Holmes, C.M., and R.C. Williams. 2008. Addressing the spatial & temporal probability of a field being treated for landscape drift PEC estimation. In Abstracts, SETAC Europe 18th Annual Meeting, Warsaw, Poland. 25–29 May, 2008. SETAC, Warsaw, Poland.

Cheplick, J.M. ,W. Chen, and G. Reinken. 2008. Implementation of kinetic sorption into the FOCUS PRZM model. In Abstracts, SETAC Europe 18th Annual Meeting, Warsaw Poland. 25–29 May, 2008. SETAC, Warsaw, Poland.

Panuska, J.C., K.G. Karthikeyan, and P.S. Miller. 2008. Impact of surface roughness and crusting on particle size distribution of edge-of-field sediments. Geoderma 145:315-324.

2007

Miller, P.S., R.H. Mohtar, and B.A. Engel. 2007. Water quality monitoring strategies and their effects on mass load calculation. Transactions of the ASABE 50(3):817-829.

Holmes C.M., A. Barefoot, and C.G. Hoogeweg. 2007. Mobile technology for real-time pesticide application for vegetation management. In Abstracts, SETAC North America 28th Annual Meeting, Milwaukee, WI. 11–15 Nov., 2007, SETAC North America, Milwaukee, WI.

Prenger J., P.S. Miller, R. Vamshi, C.M. Holmes, and C.G. Hoogeweg. 2007. Practical experiences and value added uses of the NHDPlus dataset. In Abstracts, SETAC North America 28th Annual Meeting, Milwaukee, WI. 11–15 Nov., 2007. SETAC North America, Milwaukee, WI.

Williams W.M., and A.M. Ritter. 2007. RICEWQ: Pesticide risk assessment model for rice. In Abstracts, SETAC North America 28th Annual Meeting, Milwaukee, WI. 11–15 Nov., 2007. SETAC North America, Milwaukee, WI.

Miller P.S., R. H. Mohtar, and B. A. Engel. 2007. Water quality monitoring strategies and their effects on mass load calculation. Transactions of the American Society of Agricultural and Biological Engineers 50(3): 817−829, 2007.

Ritter A.M., C. Leake, and W.M. Williams. 2007. Fate and transport modeling of the potential influence of rice agriculture on aquaculture. Proc. XIII Symposium Pesticide Chemistry—Environmental Fate and Ecological Effects of Pesticides. A.A.M. Del Re, E. Capri, G. Fragoulis, and M. Trevisan (Eds.), Università Cattolica del Sacro Cuore, Piacenzam, Italy. 3–6 Sept., 2007. Institute of Agricultural and Environmental Chemistry: ICAA, Piacenza, Italy.

Prenger J., C.M. Harbourt, and P.S. Miller. 2007. Regional-Scale Subsurface Drainage Mapping. In Abstracts, ASABE Annual International Meeting, Minneapolis, MN. 18–20 June, 2007. ASABE, St. Joseph, MI.

Jackson S., J.M. Cheplick, A.M. Ritter, and W.M. Williams. 2007. Model review and scenario development for urban pesticide runoff model. In Abstacts, Exposure Modeling Public Meeting, Crystal City VA. 12 June, 2007. USEPA, Washington, DC.

Hoogeweg C.G., R. Vamshi, and W.M. Williams. 2007. National PCA assessment for turf. In Abstact, Exposure Modeling Public Meeting, Crystal City, VA. 12 June, 2007. USEPA, Washington, DC.

Holmes C.M., and R.C. Williams. 2007. An examination of spatially-referenced methods for the estimation of predicted environmental concentrations of PPPs in surface water from spray drift. SETAC Europe 17th Annual Meeting, Porto, Portugal. 20–24 May, 2007. SETAC Europe, Brussels, Belgium.

Holmes C.M., R. Williams, and S. Norman. 2007. Characterization and potential exposure of aquatic habitats near orchards in Tarn-et-Garonne, France, using satellite and aerial imagery. SETAC Europe 17th Annual Meeting, Porto, Portugal. 20–24 May, 2007. SETAC Europe, Brussels, Belgium.

Holmes C.M., R. Williams, C.Brown, S. Beulke, W. van Beinum, and E. Pemberton. 2007. Analysis of ecological risk posed by pesticides to surface waters in England. SETAC Europe 17th Annual Meeting, Porto, Portugal. 20–24 May, 2007. SETAC Europe, Brussels, Belgium.

Harbourt C.M., J.J. Amos, P.S. Miller, J. Prenger, C.G. Hoogeweg, and P. Hendley. 2007. Preserving local variability and large scale spatial structure in seminational assessments. In Abstracts, ACS 233rd Annual Meeting, Chicago, IL. 25–29 March, 2007. ACS, Washington, DC.

Miller P.S., C.M. Harbourt, and P. Hendley. 2007. Rural domestic well sensitivity: a case study for a shift from a pure hydrogeologic/detection analysis to a coupled hydrogeologic/detection/contextual study construct. In Abstracts, ACS 233rd Annual Meeting, Chicago, IL. 25–29 March, 2007. ACS Washington, DC.

Holmes C.M., M. Matella, P. Hendley, P. Sweeney, and S. Maund. 2007. Examining the relative proximity of agriculture to surface water across Europe. ACS 233rd Annual Meeting, Chicago, IL. 25–29 March, 2007. ACS, Washington, DC.

Wadley A.M., M.F. Winchell, C.M. Holmes, J.J. Amos, R. Srinivasan, D. J. Healy, P.L. Havens, and D.A. Staats. 2007. GeoSTAC: Enabling efficient environmental assessments. ACS 233rd Annual Meeting, Chicago, IL. 25–29 March, 2007. ACS, Washington, DC.

Holmes C.M., J.J. Amos, and P. Hendley. 2007. Using a combination of NASS cropping data and market research information to improve the spatial resolution of pesticide use estimates. ACS 233rd Annual Meeting, Chicago, IL. 25–29 March, 2007. ACS Washington, DC.

Cheplick J.M., W.M. Williams, A.M. Ritter, N.J. Snyder, and J. Prenger. 2007. A comparison of REMM and PRZM implemented as a vegetated filter strip model. ACS 233rd Annual Meeting, Chicago, IL. 25–29 March, 2007, ACS, Washington, DC.

2006

Cheplick J.M., C.M. Holmes, and W.M. Williams. 2006. Example modeling approaches for providing data for a probabilistic risk assessment. J., 6th Fresenius Ecotox Conference on Aquatic and Terrestrial Ecotoxicology and Risk Assessment, Colongne, Germany. 4–5 Dec., 2006. Fresenius, Cologne, Germany.

Ritter A.M., P. Hendley, M.G. Dobbs and G.J. Sabbagh. 2006. National pyrethroid aquatic exposure analysis (2): Regional sensitivity to drift and erosion entry. 27th Annual Meeting in North America, Society of Environmental Toxicology & Chemistry, Montreal, Canada, 5-9 Nov. 2006. SETAC North America, Pensacola, FL.

Holmes C.M. and W.M. Williams. 2006. Risk assessment: Challenges and solutions for probabilistic approaches. British Crop Protection Council International Conference & Exhibition, Crop Science & Technology, Glasgow, Scotland. 23–24 Oct., 2006. British Crop Production Council, Hampshire, UK.

Ritter A.M., and W.M. Williams. 2006. Dispersion modeling of aquatic herbicides. In Abstracts, Exposure Modeling Public Meeting, Arlington, VA. 3 Oct., 2006. USPEA, Washington, DC.

Williams W.M., J.R. Trask, J. Wrysinski and D.L. Denton. 2006. Development of a simulation model to evaluate, design, and implement vegetated agricultural drainage ditches as a Best Management Practice. 232nd National Meeting of the American Chemical Society, San Francisco, CA. 10–14 Sept., 2006. ACS, Washington, DC.

Dasgupta S., J.M. Cheplick, D. Denton, J. Troyan and W.M. Williams. 2006. Pesticide loading analysis for the Sacramento River watershed. 232nd National Meeting of the American Chemical Society, San Francisco, CA. 10-14 Sept., 2006. ACS, Washington, DC.

Ritter A.M., W.M. Williams, and C.R. Leake. 2006. Fate and transport modeling of the potential influence of rice agriculture potential on aquaculture. 232nd National Meeting of the American Chemical Society, 10-14 Sept., 2006. ACS, Washington, DC.

Cheplick J.M., P.L. Havens, P. Hendley, S.H. Jackson, and G.J. Sabbagh. 2006. National pyrethroid aquatic exposure analysis (1): Relative erosion potential summarized by watershed. 232nd National Meeting of the American Chemical Society, San Francisco, CA. 10-14, 2006. ACS, Washington, DC.

Ritter A.M., P. Hendley, M.G. Dobbs and G.J. Sabbagh. 2006. National pyrethroid aquatic exposure analysis (2): Regional sensitivity to drift and erosion entry. 232nd National Meeting of the American Chemical Society, San Francisco, CA. 10-14 Sept., 2006. ACS, Washington, DC.

Holmes C.M., P.L. Havens, P. Hendley, S. Jackson and G.J. Sabbagh. 2006. National pyrethroid aquatic exposure analysis (3): Combining potential vulnerability from spray drift, erosion and pyrethroid use. 232nd National Meeting of the American Chemical Society, San Francisco, CA. 10-14 Sept., 2006. ACS, Washington, DC.

Holmes, C, et al. 2006. Mapping risk to aquatic organisms from exposure to pesticides, Pesticide Behavior in Soils, Water and Air, Society of Chemical Industry (SCI), Warwick, UK. March 2006. Society of Chemical Industry, London, UK.