The following links provide additional resources and studies on perchlorate.
The Federal government established the National Academy of Sciences (NAS) to investigate, examine and advise them on the subjects of science or art. NAS formed a Committee to assess the health implications of perchlorate ingestion. Through this link they provide the project scope, committee membership and meeting notes.
The U.S. Food and Drug Administration (FDA) is the governing federal agency on health and safety for food, drugs, biological products, cosmetics, and electronic products that emit radiation. The following link is what the FDA compiled as a list of questions and answers about perchlorate and its proposed regulation and recommendations by the federal government.
The University of California Sustainable Agriculture Research and Education Program compiled the National Organic Standards Board Technical Advisory Panel Review on Chilean Nitrate for general use as a crop fertilizer or as a soil additive/amendment to enhance production for the USDA National Organic Program. This is a link to the analysis.
The United States Environmental Protection Agency (EPA) oversees all issues surrounding the environment. They develop and enforce environmental regulations, conduct research, and promote voluntary programs and education about the environment. The following is a link to EPA's Survey of Fertilizers and Related Material for Perchlorate in May 2001.