Sources 4721 Toxicology

Keywords. PCDE, Sources, Toxicology, Levels, Fate... 

Online Information Sources Toxicological and Related Data Stored in Databanks and Databases... 

Source Toxicological Sciences an Official Journal of the Society of Toxicology. 

Workers in the metals treatment industry are exposed to fumes, dusts, and mists containing metals and metal compounds, as well as to various chemicals from sources such as grinding wheels and lubricants. Exposure can be by inhalation, ingestion, or skin contact. Historically, metal toxicology was concerned with overt effects such as abdominal coHc from lead toxicity. Because of the occupational health and safety standards of the 1990s such effects are rare. Subtie, chronic, or long-term effects of metals treatment exposure are under study. An index to safety precautions for various metal treatment processes is available (6). As additional information is gained, standards are adjusted. 

Since many therapeutic enzymes are still derived from bacterial sources, FDA requirements can serve to make the commercial preparations more expensive. However, toxicological examination of each lot may not be necessary when the purification procedures yield reproducible preparations. 

TOXLINE (non-royalty based) Toxicology Information Online National Library of Medicine 8600 Roekville Pike Bethesda, MD 20894 (301) 496-1131 On-line bibliographic database covering the pharmacological, physiological, and toxicological effects of drugs and chemicals. Information is taken from eleven secondary sources. 

Air contaminants in solid or liquid state (aerosols), e.g., wood dust, welding smoke, or oil mist, are all in principle directly visible. The dispersion of those contaminants and the airflow patterns around the source may therefore be studied without any special tools. It is, however, not always possible to see the contaminant if, for example, the concentration in the air is low, the size of the particles is small, or the lighting is poor. The fact that the contaminant can t be seen may stem from the acceptable low level of the concentration but that can of course not be used to conclude that the control is acceptable. That conclusion depends not only on the contaminant s toxicological qualities but on how visible it is iit air. The ability to see the particles directly is also, as said above, a function of their size. Small particles, able to be transported deep into the thinner airways of the lungs, are many times also difficult to see directly. 

Contains information drawn from data compiled by the National Toxicology Program (NTP), which coordinates and provides information about potentially toxic chemicals with potential for human exposure to regulatoiy and research agencies. Contains information on 2,280 chemicals drawn from literature. The records closely resemble an MSDSformat. Print, CD-ROM and online interactive versions available from the Coast Guard and commercial sources. 

The ECOTOXicology database is a source for locating single chemical toxicity data for aquatic life, terrestrial plants and wildlife. ECOTOX integrates three toxicology effects databases AQUIRE (aquatic life), PHYTOTOX (terrestrial plants), and TERRETOX (terrestrial wildlife). These databases were created by the U.S. EPA, Office of Research and Development (ORD), and the National Health and Environmental Effects Research Laborator) (NHEERL), Mid-Continent Ecology Division... 

A super list of world-wide sources of information about drugs, pesticides, environmental pollutants and other potential toxins. Ties into ASDTR, EPA, the National Toxicology Program Carcinogen List (NTPA), and other governmental... 

Environmental Health Criteria 91 (1989)—A valuable source of information on the environmental toxicology of aldrin and dieldrin. 

Environmental Health Criteria 82 [Cypermethrin], 94 [Permethrin], 95 [Fenvalerate], 97 [Deltamethrin], and 142 [Alphacypermethrin] are all valuable sources of information on the environmental toxicology of pyrethroids. 

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