October 9 - 12, 2007: The Potential for Atrazine to Affect Amphibian Gonadal Development
On this page:
- Federal Register Notice
- Directions and Other Logistics Information
- Agenda
- Panel Members
- Meeting Materials
- Meeting Transcripts
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Federal Register Notice
Federal Register Notice announcing this meeting.
Directions and Other Logistics Information
General directions and other logistical information is no longer available.
Agenda
Agenda (PDF) (10 pp, 64K)
Panel Members
Meeting Materials
- 2007 White Paper on the Potential for Atrazine to Affects on Amphibians (PDF) (321 pp, 5MB)
- Charge to the Panel (PDF) (6 pp, 71K)
- 2003 White Paper on Potential Developmental Effects of Atrazine on Amphibians (PDF) (95 pp, 395K)
- 2003 Report/Meeting Minutes from the 2003 Scientific Advisory Panel Meeting June 17 - 20, 2003 on Potential Developmental Effects of Atrazine on Amphibians (PDF) (34 pp, 191K)
- Reproductive Characteristics in American Bullfrogs (Rana catesbeiana). Collected from Agricultural and Non-Agricultural Areas in Southern Iowa. (MRID 47204501) Smith, E. E., T. A. Anderson, C. Crabtree, J. A. Carr, L. H. Du Preez, A. B. Gentles, J. P. Giesy, T. S. Gross, L. Holden, R. J. Kendall, K. R. Solomon, G. Van Der Kraak. 2007. (Not available on-line due to copyright restrictions.)
- Characterization of Atrazine exposures and Potential Effects for Amphibians Inhabiting Sugarcane-Demonated Ecosystems in Florida (MRID 47204401). Gross, T.S. 2007. (Not available on-line due to copyright restrictions.)
- DuPreez L.H., Solomon K.R., Carr J.A., Giesy J.P., Gross C., R. J. Kendall et al. 2005. Population Structure Characterization of Clawed Frog (Xenopus laevis) in Corn-growing Versus Non-corn-growing Areas in South Africa. African Journal of Herpetology. 54: 61 - 68. (Not available on-line due to copyright restrictions.)
- Smith E.E., Du Preez L.H., Gentles B.A., Solomon K.R., Tandler B., Carr J.A., Van Der Kraak G.J., Kendall R.J., Giesy J.P. and Gross T.S. 2005. Assessment of Laryngeal Muscle and Testicular Cell Types in Xenopus laevis (Anura Pipidae) Inhabiting Maize and Non-maize Growing Areas of South Africa. African Journal of Herpetology 54(1): 69-76. MRID 458677-10. (Not available on-line due to copyright restrictions.)
- Hayes, T. B., Stuart, A.A., Mendoza, M., Collins, A., Noriega, N., Vonk, A., Johnston, G., Liu, R. and Kpodzo, D. 2006. Characterization of Atrazine-induced Gonadal Malformations in African Clawed Frogs (Xenopus laevis) and Comparisons with Effects of an Androgen Antagonist (Cyproterone Acetate) and Exogenous Estrogen (17ß- Estradiol): Support for the Demasculinization/Feminization Hypothesis. Environmental Health Perspectives 114 (Supplement 1): 134 - 141. (Not available on-line due to copyright restrictions.)
- Hayes, T. B., Case, P., Chui, S, Chung, D., Haeffele, C., Haston, K., Lae, M., Mai, V.P., Marjuoa, Y., Parker, J. and M. Tsui. 2006. Pesticide Mixtures, Endocrine Disruption, and Amphibian Declines: Are We Underestimating the Impact: Environmental Health Perspectives 114 (Supplement 1): 40 - 50. (Not available on-line due to copyright restrictions.)
- Jooste A.M., Du Preez L.H., Carr J.A., Giesy J.P., Gross T.S., Kendall R.J., Smith E.E., Van Der Kraak G.J., and K.R. Solomon. 2004. Gonadal Development of Larval Male Xenopus laevis Exposed to Atrazine in Outdoor Microcosms. Environmental Science and Technology 39: 5255-5261. MRID 458677-11. (Not available on-line due to copyright restrictions.)
- Freeman, J.L. and A.L. Rayburn. 2005. Developmental Impact of Atrazine on Metamorphing Xenopus laevis as Revealed by Nuclear Analysis and Morphology. Environmental Toxicology and Chemistry 24(7): 1648 - 1653. (Not available on-line due to copyright restrictions.)
- Hecker M, Giesy JP, Jones PD, Jooste AM, Carr JA, Solomon KR, Smith EE, Van Der Kraak GJ, Kendall RJ, Du Preez LH. 2004. Plasma sex steroid concentrations and gonadal aromatase activities in African clawed frogs (Xenopus laevis) from the corn-growing region of South Africa. Environmental Toxicology and Chemistry 23:1996-2007. (Not available on-line due to copyright restrictions.)
- Orton, F., Carr J.A., and R. D. Handy. 2006. Effects of Nitrate and Atrazine on Larval Development and Sexual Differentiation in the Northern Leopard Frog Rana pipiens. Environmental Toxicology and Chemistry 25(1): 65 - 71. (Not available on-line due to copyright restrictions.)
- Sullivan K. B, and K. M. Spence. 2003. Effects of Sublethal Concentrations of Atrazine and Nitrate on Metamorphosis of the African Clawed Frog. Environmental Toxicology and Chemistry 22(3): 627 - 635. (Not available on-line due to copyright restrictions.)
- Coady, K.K., et al. 2004. Effects of atrazine on metamorphosis, growth and gonadal development in the green frog (Rana clamitans). Journal of Toxicology and Environmental Health, Part A., 67: 941-957. (Not available on-line due to copyright restrictions.)
- Hecker, M., et al. 2005. Effects of atrazine on CYP19 gene expression and aromatase activity in testes and on sex steroid concentrations in plasma of male African clawed frogs (Xenopus laevis). Toxicological Sciences. 86:273-280. (Not available on-line due to copyright restrictions.)
"All documents for this meeting (including public comments) are available in the OPP Regulatory Public Docket (Docket # EPA-HQ-OPP-2007-0498). Some of these documents may be available online in the FDMS Docket System located at http://www.regulations.gov. Copyright protected material is not placed on the Internet and will be publicly available only at the OPP Regulatory Public Docket in Rm. S-4400, One Potomac Yard (South Bldg), 2777 S. Crystal Dr., Arlington, VA. The hours of operation of this Docket Facility are from 8:30 a.m. to 4:00 p.m., Monday through Friday, excluding legal holidays. The Docket Facility telephone number is (703) 305-5805."
Meeting Transcript
- Transcript, October 9, 2007 (PDF) (128 pp, 1MB)
- Transcript, October 10, 2007 (PDF) (94 pp, 878K)
- Transcript, October 11, 2007 (PDF) (78 pp, 757K)
- Final Meeting Minutes - October 2007 SAP Meeting - The Potential for Atrazine to Affect Amphibian Gonadal Development (PDF) (37 pp, 2.15 MB)
Back to 2007 Meetings