Amazon.com description: Product Description: A source of medical, legal and regulatory information on the toxicology of human exposure to metals and chemicals, this two-volume set is designed to be the first resource professionals turn to when formulating an opinion and develping a programme. It is annually updated to provide the latest information on over 150 chemical agents in a standard format, called the TDR profile. Each profile contains the common source of exposure, toxicology, clinical manifestations, appropriate biological and medical monitoring tests, and applicable federal and state regulations.