Suspect Salads: References
 Environmental Protection Agency (EPA). 2002. Perchlorate Environmental Contamination: Toxicological Review and Risk Characterization (External Review Draft). U.S. Environmental Protection Agency, Office of Research and Development. Washington, D.C. NCEA-1-0503.
 Environmental Working Group. 2003a. (EWG). Rocket Fuel in Drinking Water: New Studies Show Harm From Much Lower Doses. http://www.ewg.org/reports/rocketwater/healtheffects.php
 Environmental Working Group. 2003b. (EWG). Rocket Fuel in Drinking Water: Perchlorate Pollution Spreading Nationwide. http://www.ewg.org/reports/rocketwater/
 Environmental Working Group. 2003c. (EWG). High Levels of Toxic Rocket Fuel Found in Lettuce. http://www.ewg.org/reports/rocketlettuce/
 United States Department of Agriculture (USDA). 2002. Fresh Fruit and Vegetable Shipments, 2001. http://www.ams.usda.gov/fv/mncs/shipsumm01.PDF
 Biaggi A. 2002. An overview of perchlorate remediation efforts in the Las Vegas Valley. Presented at the Oct 16-18, 2002 Perchlorate Conference in Ontario, CA.
 United States Department of Agriculture (USDA). Continuing Survey of Food Intakes by Individuals (CSFII). 1994-1996. http://www.barc.usda.gov/bhnrc/foodsurvey/home.htm
 Argus Research Laboratories, Inc. 1999. Oral (drinking water) two-generation (one litter per generation) reproduction study of ammonium perchlorate in rats. Horsham, PA: Argus Research Laboratories, Inc.; protocol no. 1416-001. As cited in EPA 2002.
 Crofton, K. M. 2001. Revised analysis of the thyroid hormone data from the rat developmental "effects" study - Argus protocol 1416-003 [memorandum with attachments to Annie M. Jarabek]. Research Triangle Park, NC: U.S. Environmental Protection Agency, National Health Effects and Environmental Research Laboratory; December 14 (revised December 28). As cited in EPA 2002.
 van den Hove, M. F., C. Beckers, et al. 1999. Hormone synthesis and storage in the thyroid of human preterm and term newborns: effect of thyroxine treatment. Biochimie 81(5): 563-70.
 Pop V.J., Kuijpens J.L., van Baar A.L., Verkerk G., van Son M.M., de Vijlder J.J., Vulsma T., Wiersinga W.M., Drexhage H.A., Vader H.L. 1999. Low maternal free thyroxine concentrations during early pregnancy are associated with impaired psychomotor development in infancy. Clin Endocrinol 50:149-155.
 Brechner, R. J.; Parkhurst, G. D.; Humble, W. O.; Brown, M. B.; Herman, W. H. 2000. Ammonium perchlorate contamination of Colorado River drinking water is associated with abnormal thyroid function in newborns in Arizona. J. Occup. Environ. Med. 42: 777-782.
 Schwartz, J. 2001. Gestational exposure to perchlorate is associated with measures of decreased thyroid function in a population of California neonates [thesis]. Berkeley, CA: University of California.
 United States Department of Agriculture (USDA). 2001. Commodity Spotlight. Lettuce: In & Out of the Bag. http://www.ers.usda.gov/publications/AgOutlook/ April2001/AO280d.pdf
 Rogers, K. 2003. Company seeks help with cleanup. Las Vegas Review-Journal. January 11, 2003.
 Colorado River Water Users Association. Profiles for California and Arizona. http://www.crwua.org/az/crwua_az.htm; http://www.crwua.org/ca/crwua_ca.htm.
 University of Arizona Cooperative Extension. 2003. Yuma County Agricultural Statistics. http://ag.arizona.edu/crops/counties/yuma/agstats2001.html
 University of California Cooperative Extension. 2002. Imperial County Agricultural Commissioners Report. http://commserv.ucdavis.edu/CEImperial/agcomrpt_02.htm
 United States Department of Agriculture (USDA). 1997. Census of Agriculture. http://www.nass.usda.gov/census/census97/volume1/vol1pubs.htm
 Sweeney F. 2003. Third well closed in Morgan Hill. San Jose Mercury News. March 21, 2003.
 Mayer, K. 2003. Status on Establishing Drinking Water Standard for Perchlorate. Presented at Region 9 EPA. April 17, 2003.
 Rogers, Keith, 1998. Chemicals effect on crops worries tribes. Las Vegas Review-Journal. May 20, 1998.
 Department of Defense (DoD). 2000. Ecological Impact/Transport and Transformation Subcommittee. Status Update. October 11, 2000.
 Susarla, A., N.L. Wolfe and S.C. McCutcheon. 1999. Perchlorate uptake in lettuce seedlings. Paper presented at the August 22-26, 1999 meeting of the American Chemical Society.
 Susarla, S.; Bacchus, S. T.; Harvey, G.; McCutcheon, S. C. 2000. Phytotransformations of perchlorate contaminated waters. Environ. Technol. 21: 1055-1065.
 Nzengung, V. A. n.d. Laboratory characterization of phyto-transformation products of perchloroethylene (PCE), trichloroethylene (TCE) and perchlorate. Final report. Athens, GA: University of Georgia, Department of Geology. As cited in EPA 2002.
 Jackson, A. 2003. Uptake and Accumulation of Perchlorate in Plants. Presentation at Region 9 EPA. April 17, 2003. Andrew Jackson is at the Institute of Environmental and Human Health, Texas Tech University.
 Bacchus, S.T., S. Susarla, L. Wolfe, G. Harvey, and S.C. McCutcheon. 1999. Predicting field performance of herbaceous species for phytoremediation of perchlorate. Paper presented at the August 22-26, 1999 meeting of the American Chemical Society.
 Nzengung, V. A.; Wang, C.; Harvey, G. 1999. Plant-mediated transformation of perchlorate into chloride. Environ. Sci. Technol. 33: 1470-1478. As cited in EPA 2002.
 Nzengung, V. A.; Wang, C. 2000. Influences on phytoremediation of perchlorate-contaminated water. In: Urbansky, E. T., ed. Perchlorate in the environment. New York, NY: Kluwer Academic Publishers. Environmental Science Research: 57. As cited in EPA 2002.
 Smith, P. 2003. Perchlorate Exposure Through Trophic Transfer. Presentation at Region 9 EPA. April 17, 2003. Philip Smith is at the Institute of Environmental and Human Health, Texas Tech University.
 Condike, B. J. 2001. Perchlorate data in fish and plants [letter with attachments to Annie M. Jarabek]. Fort Worth, TX: Department of the Army, Fort Worth District, Corps of Engineers; December 21. As cited in EPA 2002.
 Smith, P. N.; Theodorakis, C. W.; Anderson, T. A.; Kendall, R. J. 2001. Preliminary assessment of perchlorate in ecological receptors at the Longhorn Army Ammunition Plant (LHAAP), Karnack, Texas. Ecotoxicology 10: 305-313.
 Urbansky, E. T.; Magnuson, M. L.; Kelty, C. A.; Brown, S. K. 2000. Perchlorate uptake by salt cedar (Tamarix ramosissima) in the Las Vegas Wash riparian ecosystem. Sci. Total Environ. 256: 227-232.
 Ellington, J. J.; Wolfe, N. L.; Garrison, A. W.; Evans, J. J.; Avants, J. K.; Teng, Q. 2001. Determination of perchlorate in tobacco plants and tobacco products. Environ. Sci. Technol. 35: 3213-3218.
 Wolfe, N. L.; Ellington, J. J.; Garrison, A. W.; Evans, J. J.; Avants, J. K.; Teng, Q. 2000. Accumulation of perchlorate in tobacco plants and tobacco products. Paper presented before the Division of Fertilizer and Soil Chemistry at the American Chemical Society 220th national meeting; August; Washington, DC.
 Office of Environmental Health Hazard Assessment (OEHHA). 2002a. Draft Public Health Goal for Perchlorate in Drinking Water. Pesticide and Environmental Toxicology Section. Office of Environmental Health Hazard Assessment California Environmental Protection Agency. March 2002.
 Office of Environmental Health Hazard Assessment (OEHHA). 2002b. Draft Public Health Goal for Perchlorate in Drinking Water. Pesticide and Environmental Toxicology Section. Office of Environmental Health Hazard Assessment California Environmental Protection Agency. December 2002.
 U.S. Food and Drug Administration (FDA). 1999. A Food Labeling Guide. Center for Food Safety and Applied Nutrition. September, 1994 (Editorial revisions June, 1999) http://www.cfsan.fda.gov/~dms/flg-7a.html
 United States Department of Agriculture (USDA). 2002. Nutritive Value of Foods. Gebhardt, SE, Thomas, RG. 2002. USDA Agricultural Research Service. Home and Garden Bulletin Number 72.
 Environmental Working Group (EWG). 2001. Rocket Science. Perchlorate and the Toxic Legacy of the Cold War. July 2001. http://www.ewg.org/reports/rocketscience
 Texas Environmental Quality Commission (TCEQ). 2003. State of Texas Perchlorate Data as of February, 2003.
 California Department of Health Services (CADHS). 2003. Perchlorate in California Drinking Water: Monitoring Update. Data as of April 1, 2003. http://www.dhs.ca.gov/ps/ddwem/chemicals/perchl/monitoringupdate.htm
 California Office of Environmental Health Hazard Assessment (OEHHA). 2003. Joint Geotracker, SWRCB and DTSC Perchlorate Confirmed Contaminant Site Data. As of April 22, 2003. http://geotracker3.ecointeractive.com/slic_perchlorate/report_confirmed.asp
 Environmental Protection Agency (EPA). 2001. Perchlorate contamination update. Region 9 memorandum from Felicia Marcus, Regional Administrator.