| AAEM | American Academy of Environmental Medicine; American Association of Electrodiagnostic Medicine |
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| ACOEM | American College of Occupational and Environmental Medicine |
| AEMIS | Aerospace and Environmental Medicine Information System |
| CCEHRP | Committee to Coordinate Environmental Health and Related Programs |
| CEQ | Council on Environmental Quality |
| environmental protection agency | <organisation> The U.S. Regulatory agency for biotechnology of microbes. The major lawsunder which the agency has regulatory powers are the Federal Insecticide, Fungicide, and Rodenticide act (FIFRA), and the Toxic Substances ControlAct (TSCA). (30 Mar 1998) |
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| environmental psychology | The study and application by behavioural scientists and architects of how changes in physical space and related physical stimuli impact upon the behaviour of individuals. See: personal space. (05 Mar 2000) |
| environmental quality objective | This is a regulatory value defining the quality to be aimed for in a particular aspect of the environment. Unlike an environmental quality standard, an EQO is not usually expressed in quantitative terms and cannot be enforced legally. (09 Oct 1997) |
| environmental quality standard | This regulatory value defines the maximum concentration of a potentially toxic substance which can be allowed in an environmental compartment, usually air (air quality standard - AQS) or water, over a defined period. (09 Oct 1997) |
| Environmental Scanning Electron Microscopy | <technique> Scanning electron microscopy is performed by scanning a focused probe across the surface of the sample to be studied. In the environmental scanning electron microscopy the composition and pressure of the atmosphere around the specimen may be controlled. In favourable cases non-conductive specimens may be examined without coating, and hydrated specimens may be examined with the water still in place. Acronym: ESEM (05 Aug 1998) |
| environmental tobacco smoke | A complex mixture of chemical constituents and particulates released into the atmosphere from the burning tip of a cigarette, pipe or cigar or from smoke exhaled by the smoker. (09 Oct 1997) |
| environmental variance | Within a population, the measure of how much of the variation of a particular phenotype is due to environmental factors (as opposed to variations in genotype. An example might be the height of a human as determined by such factors as nutrition or infectious diseases during childhood. See: genetic variance. (09 Oct 1997) |
| united states environmental protection agency | An agency in the executive branch which endeavors to abate and control pollution in the areas of air, water, solid waste, noise, radiation, and toxic substances. (12 Dec 1998) |
| adaptive management | A continuing process of action-based planning, monitoring, researching, evaluating, and adjusting with the objective of improving implementation and achieving the goals of the selected alternative. (05 Dec 1998) |
| adaptive management area | Landscape units designated for development and testing of technical and social approaches to achieving desired ecological, economic, and other social objectives. (05 Dec 1998) |
| management activities | Planned activities initiated by land managers to meet the desired future condition for an area. Management activities may include thinning, timber harvest, prescribed burning, tree planting, and other activities. (05 Dec 1998) |
| management area | Management areas are specific geographical areas defined by a forest plan. Each management area has a set of objectives and a management prescription unique to it. (05 Dec 1998) |
| management audit | Management review designed to evaluate efficiency and to identify areas in need of management improvement within the institution in order to ensure effectiveness in meeting organizational goals. (12 Dec 1998) |
| management indicator species | A species whose habitat requirements most reflect those of the species community in the habitat of concern, usually used to indicate habitat quality and to predict future conditions. (09 Oct 1997) |
| management information systems | Systems designed to provide information primarily concerned with the administrative functions associated with the provision and utilization of services; also includes program planning, etc. (12 Dec 1998) |