Environment terminology · MLC-0121

Environment terms: E (1,815)

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• E HorizonThe layer commonly near the surface below an A horizon and above a B horizon. An E horizon is most commonly...
• E0 GasolineGasoline that contains no ethanol.
• E10A Mixture Of 10 Percent Ethanol And 90 Percent Gasoline.
• E10 GasolineGasoline-ethanol blend that contains at least 9.0 and no more than 10.0 volume percent ethanol.
• E15 GasolineGasoline-ethanol blend that contains greater than 10.0 volume percent ethanol and not more than 15.0 volume...
• E85 FuelA fuel that contains more than 50 volume percent but no more than 83 volume percent ethanol and is used...
• EarA sense organ needed for the detection of sound and for establishing balance. The outer ear consists of the...
• Ear DisordersDiseases of the ear, general or unspecified.
• Ear Insert DeviceHearing protective device that is designed to be inserted into the ear canal, and to be held in place...
• Ear Muff DeviceHearing protective device that consists of two acoustic enclosures which fit over the ears and which are held...
• Early ActionA response action that addresses the release or possible release of hazardous substances and can be resolved...
• Early Action AreaOne or more counties, parishes, or towns that are participating in an early action compact.
• Early EntryEntry by a worker into a treated area on the agricultural establishment after a pesticide application is...
• Early Forest SuccessionThe biotic (or life) community that develops immediately following the removal or destruction of vegetation...
• Early Neutral EvaluationA process in which the parties summarize their case to an impartial "evaluator" who gives an opinion...
• Early Preterm BirthBirth at less than 27 weeks gestation
• Early Reductions SourceSource of hazardous air pollutants as defined pursuant to § 63.73 of this chapter.
• Early-Life ExposureContact with a substance by swallowing, breathing, or touching the skin or eyes by persons younger than 10...
• EarlywoodThe portion of the growth ring that is formed during the early part of the growing season. It is usually less...
• Earmarked GrantsEarmarked Grants involve the distribution of money to state and local governments for a named purpose or...
• Earth CoverageIn satellite communications, the coverage that occurs when the satellite-to-Earth beam is sufficiently wide...
• Earth Electrode SubsystemA network of electrically interconnected rods, plates, mats, or grids, installed and connected, for the...
• Earth Observation DataData about the Earth's chemical, biological, and geophysical systems gotten by surveying and remote sensing...
• Earth ScienceFields of science encompassing studies and research from the disciplines of physics; chemistry; biological...
• Earth StationEquipment on earth that can transmit or receive satellite communications. In general usage, this term refers...
• Earth system1. The atmosphere, the oceans, the biosphere, the cryosphere, and the geosphere, together make up the climate...
• EarthquakeEarthquake is a term used to describe both sudden slip on a fault, and the resulting ground shaking and...
• Earthquake AmplificationShaking levels at a site may be increased, or amplified, by focusing of seismic energy caused by the geometry...
• Earthquake HazardEarthquake hazard is anything associated with an earthquake that may affect the normal activities of people...
• Earthquake Hazard TypeEarthquake ratings for structural design.
• Easement1. An easement is a right to use the land of another for a specific purpose, such as a right-of-way or a...
• EasementsA property right conveyed by a landowner to another party which gives the second party rights with regard to...
• Easterly WaveA migratory wavelike atmospheric disturbance in the tropical easterlies. Easterly waves occasionally...
• Eastern Bituminous Coal RefuseCoal refuse generated from the mining of bituminous coal in Pennsylvania and West Virginia.[85 FR 20838...
• Eastern Lake Erie-Lake ErieThe drainage into Lake Erie within the United States from the Ashtabula River Basin boundary to and including...
• Eastern Standard TimeFive hours behind Coordinated Universal Time
• Eavesdropping AttackAn attack in which an Attacker listens passively to the authentication protocol to capture information which...
• ebb current1. The tidal current associated with the decrease in height of the tide, generally moving seaward or down a...
• Ebb Tidal DeltaA largely subaqueous (although sometimes intertidal), crudely fan-shaped delta with sand-sized sediment...
• Ebb Tidal Delta FlatThe relatively flat, dominant component of the ebb tidal delta. At extreme low tide, this landform may be...
• Ebb tide1. A falling tide.
• ebb tide deltaA large sand shoal commonly deposited at the mouths of tidal inlets formed by ebbing tidal currents and...
• Ebola Virus DiseaseA highly fatal, acute hemorrhagic fever caused by EBOLAVIRUS.
• E-bulletinAn online news publication or periodic update posted on the Internet or sent to interested parties via e-mail.
• ECA Associated AreaU.S. internal waters that are navigable from the ECA. This term does not include internal waters that are...
• ECA Marine Fuel1. Diesel, distillate, or residual fuel that meets the criteria of paragraph (ttt)(1) of this section, but...
• EccentricityThe extent to which the Earth's orbit around the Sun departs from a perfect circle.
• e-CDRweb1. Electronic, web-based tool provided by EPA for the completion and submission of the CDR data.
• EcdysisMolting in arthropods
• EcdysomeInsect steroid hormone which controls molting
• Echinoderm1. A marine invertebrate animal that has tube feet and five-part radial symmetry. Sea stars and sea cucumbers...
• Echinoderm Body PartBody parts of marine animals with pentameral radial symmetry such as starfish. Members of the phylum...
• EclosionEscape of the adult insect from the cuticle of the pupa, the cocoons, or the puparium, or, in hemimetabolous...
• ECMS Administration ToolsThe Organization Admin Tool is used to modify, create and delete organizations in ECMS. The File Plan Admin...
• ECMS Coordination CommitteeThe ECC serves as the ECMS governance body.
• ECMS E-mail RecordsThis is the first Agency-wide application of ECMS, which captures e-mail records from Lotus Notes and manages...
• ECMS ExtenderSome records require additional metadata to meet statutory or other business needs. When saving records in...
• ECMS Program ContactsProgram Contacts (http://intranet.epa.gov/ecms/meetings/pc/index.htm (Intranet Only)) lead ECMS communication...
• Eco-efficiency AnalysisAn assessment aimed at maximizing a production process’ economic efficiency while minimizing the impact on...
• Ecoepidemiology1. The study of the nature and causes of past or ongoing effects in ecological systems.
• Eco-label1. A visual communication tool indicating environmentally preferable products, services or companies that are...
• Eco-labeling ProgramThe organization that creates an eco-label, and is responsible for its ongoing management and use.
• EcologicalRelating to the interrelationships of organisms and their environment.
• Ecological - based BenchmarksReference data by which the level of contamination of sensitive environments is evaluated within the...
• Ecological assessmentA detailed and comprehensive evaluation of the status of a water resource system designed to detect...
• ecological benefit1. The contribution to social welfare of ecosystem goods and services. In the ESRP, the term applies...
• ecological benefits assessmentA formal evaluation of the expected changes in social welfare resulting from policies and environmental...
• Ecological Community1. Group of organisms occurring together.
• Ecological ComponentAny part of an ecosystem, including individuals, populations, communities, and the ecosystem itself.
• ecological condition1. The state of ecological systems, including their physical, chemical, and biological characteristics and...
• Ecological Connectivity1. A term referring to the connected system of open space throughout an ecosystem and adjacent ecosystems...
• Ecological Corridor1. A spatial linkage that facilitates movements of organisms among habitat patches in a landscape (adapted...
• ecological economicsThe field of research and analysis that aims to address the interdependence and co-evolution of human...
• Ecological Effects Characterization1. A portion of the analysis phase of ecological risk assessment that evaluates the ability of a stressor to...
• Ecological Effects ModelEcological effects models, like human health effects models, define relationships between a level of...
• Ecological effects profileAn assessment that describes the available effects information for various plants and animals and an...
• ecological endpoint1. A biophysical feature, quantity or quality that requires little further translation to make clear its...
• Ecological End-ProductThe relevant biophysical components of nature that are directly used or appreciated by humans to produce a...
• Ecological End-Product ClassificationClassification of the biophysical components of nature that are either directly used by humans to produce...
• Ecological Entity1. A general term that may refer to a species, a group of species, an ecosystem function or characteristic...
• Ecological ExposureExposure of a non-human organism to a stressor.
• Ecological FootprintThe total amount of land, food, water, and other resources used by, or the total ecological impact of, a...
• Ecological HabitatThe environmental niche in which an organism lives.
• Ecological healthA metaphor used to invoke ideas about the integrity, complexity, and autonomy of an ecosystem (Norton 1991)...
• Ecological ImpactThe effect that a man-caused or natural activity has on living organisms and their non-living (abiotic)...
• Ecological Indicator1. A characteristic of an ecosystem that is related to, or derived from, a measure of biotic or abiotic...
• Ecological Indicator ModelRepresentation of a portion of the environment which assesses its condition through the use of ecological...
• Ecological Integrity1. The condition of an unimpaired ecosystem as measured by combined chemical, physical (including physical...
• ecological processes1. Actions and events that link organisms and their environment--for example, nutrient cycling, carbon...
• ecological production function1. A description of the type, quantity and interactions of natural features required to generate outputs of...
• Ecological production functionsUsable expressions (i.e., models) of the processes by which ecosystems produce intermediate or final...
• Ecological RelationshipRelationship between organisms in an ecosystem
• Ecological RelevanceOne of the three criteria for assessment endpoint selection. Ecologically relevant endpoints reflect...
• Ecological ResearchActivities to develop original scientific information on non-human species and ecosystems.
• ecological restoration1. The process of repairing damage caused by humans to the diversity and dynamics of indigenous ecosystems.
• ecological risk1. In the context of risk assessment, the expected frequency or probability of undesirable (or "unacceptable...
• Ecological Risk Assessment1. The application of a formal framework, analytical process, or model to estimate the effects of human...
• Ecological Risk Assessment Guidance for SuperfundGuidance describing the process for conducting Ecological Risk Assessments in the Superfund progam.
• Ecological Sustainability1. Maintenance of ecosystem components and functions for future generations.
• ecological systemAn “ecological system” (ecosystem) is a biological community consisting of all the living organisms...
• Ecologically Sensitive ForestlandForestland that is either an ecological community with a global or state ranking of critically imperiled...
• Ecology1. The study of the relationships between all living organisms and the environment, especially the totality...
• Ecology AssociationA group of species living in the same place at the same time (Ricklefs 1979:865).
• EconometricsThe testing and quantifying of economic theories and the solution of economic problems by their conversion to...
• Economic AnalysisAn analysis of the economic effects of a given action. It includes measurement of all pertinent desirable and...
• Economic ConsequenceEffect of an incident, event, or occurrence on the value of property or on the production, trade...
• Economic DevelopmentEconomic Development includes the activities required to promote commercial/industrial development and to...
• Economic Development Plan or StrategyA plan of action or policy designed to address a communities business, finance or budgeting to set future...
• Economic efficiencyThe maximization of social welfare. Under the efficient level of production, there is no way to rearrange...
• Economic Externality1. A consequence of an economic activity that is experienced by unrelated third parties. An externality can...
• Economic GroupIndividuals with similar contributions to the production of goods and services
• Economic ImpactAnalysis for examining market impacts across different business sectors.
• Economic impact analysisExamines how compliance costs, transfers, and other policy outcomes are distributed across groups. EIAs...
• Economic Impact ModelThis category includes a broad group of models that are used in many different aspects of EPA’s activities...
• Economic IncentiveDefined broadly as instruments that use financial means to motivate polluters to reduce the health and...
• Economic Incentive ProgramProgram which may include State established emission fees or a system of marketable permits, or a system of...
• Economic Land UseRefers to how land is used by humans. In other words it refers to the economic use to which land is put. For...
• Economic PoisonsChemicals used to control pests and to defoliate cash crops such as cotton.
• Economic Potential1. The subset of technical potential that is economically cost-effective (e.g., as compared to conventional...
• Economic ProductionOutput of a system.
• Economic production functionsA representation (often mathematical) of the input-output relationship involved in the production of an...
• Economic ProductivityCapacity of a system to produce high levels of output or responsiveness of the output of a system to inputs.
• Economic Resilience1. The potential to withstand disturbances to economic systems, including critical infrastructure...
• Economic RoleContribution of individuals to the production of goods and services
• Economic TopicsTopics in the RAINE database which address the financial aspects of a community's climate change adaptation...
• Economic TransferShifts in money or resources from one part of the economy (e.g., a group of individuals, firms, or...
• Economic User SectorsEstimates of quantities used and user expenditures for pesticides are broken out separately for the three...
• Economic UtilityThe well-being benefits derived from a good or service.
• Economic Valuation1. Quantification of the benefits and increase in well-being experienced by individuals and society as a...
• Economic ValueThe benefit, usually expressed in monetary terms, gained from use or enjoyment from a good or service.
• Economically Disadvantaged IndividualSocially disadvantaged individual whose ability to compete in the free enterprise system is impaired due to...
• Economically Recoverable ResourceAre that part of the assessed technically recoverable resource for which the costs of finding, development...
• EconomicsThe science of utilization, distribution, and consumption of services and materials.
• Economizer1. Lowest temperature heat exchange section of a utility boiler where boiler feed water is heated by the flue...
• EconomySystem of production, distribution, and consumption of economic goods.
• Ecoregion1. Large landscape area defined by climate, physical characteristics, and the plants and animals that are...
• EcoregionalizationProcedure for subdividing a geographic area into regions of relative homogeneity in ecological systems or in...
• Ecoregions1. A relatively homogeneous ecological area defined by similarity of climate, landform, soil, potential...
• ECOSARA computerized predictive system developed by EPA's Office of Chemical Safety and Pollution Prevention that...
• EcosphereThe "bio-bubble" that contains life on earth, in surface waters, and in the air.
• Ecosystem1. The interacting synergism of all living organisms in a particular environment; every plant, insect...
• ecosystem approachThe integration of water quality management and natural resources management, across jurisdictional...
• Ecosystem AttributesA biological, physical, or chemical characteristic or feature inherent to an ecosystem/environment. Context...
• Ecosystem Bioaccumulation PotentialEcosystem bioaccumulation potential evaluates the tendency for a substance to accumulate in the tissue all...
• Ecosystem Biomass1. The amount, or weight, of a species, or group of biological organisms, within a specific volume or area of...
• Ecosystem by Environmental TypeEcosystems classified by the environment in which they exist
• Ecosystem CatastropheAn event that causes sudden decreases of population size or the entire elimination of subpopulations (Ewens...
• Ecosystem CharacteristicA feature which characterizes an ecosystem.
• Ecosystem ComponentConstituent of an ecosystem
• ecosystem diversityThe diversity in structure and function within an ecosystem. It is determined by the amount and complexity of...
• Ecosystem Diversity Metric(A measurement of diversity which is) typically used in relation to species, a single index that incorporates...
• Ecosystem DominanceThe extent to which a given species or individual influences community composition or form because of its...
• Ecosystem DynamicsProcesses which permit the ecosystem to be self-regulating
• Ecosystem EngineeringThe physical modification, maintenance, or creation of habitats by ecosystem engineers.
• Ecosystem FunctionPhysical, chemical, and biological processes that occur in ecosystems.
• Ecosystem functionsEnergy circuits, food chains, diversity patterns in time and space, nutrient cycles, development and...
• ecosystem goods and servicesOutputs of ecological functions or processes that directly ("final ecosystem service" sensu Boyd & Banzhaff...
• ecosystem indicatorsMeasures of progress towards meeting ecosystem objectives. Indicators can range in type from administrative...
• Ecosystem IntegrityThe ability to support and maintain a balanced, integrated, adaptive biological community having a species...
• Ecosystem ManagementA natural resource management strategy or plan which is ecologically-based and considers all organisms and...
• Ecosystem ModelA simplified representation of a biological environment, often mathematical in nature, used to study possible...
• Ecosystem MonitoringThe establishment and operation of appropriate devices, methods, systems, and procedures necessary to...
• Ecosystem Nonuse ServiceNonuse services can accrue to those who are not close to the site and may never intend to visit the site.
• ecosystem objectivesStatements describing the desired conditions within an ecosystem, to be attained and maintained (such as...
• Ecosystem ProcessMetabolic functions of ecosystems - energy flow, elemental cycling, and the production, consumption, and...
• Ecosystem RoleA characteristic which exists only when the ecosystem is interacting with a human, a chemical, the built...
• ecosystem service1. Shorthand notation for an ecosystem good or service.
• Ecosystem Service Co-BenefitCollateral benefit of provision of ecosystem services
• Ecosystem Service Joint ProductionThe simultaneous production of several distinct ecosystem services through land management practices or other...
• ecosystem service market1. Any of the full spectrum of regulatory (e.g., cap-and-trade system) and voluntary mitigation markets, such...
• Ecosystem Service Payment1. The variety of arrangements through which the beneficiaries of ecosystem services pay back the...
• ecosystem service production function1. A description of the relationship between quality-adjusted ecological endpoints and the provision of...
• Ecosystem Service TypeClassifications of ecosystem services
• Ecosystem ServicesThe economic value of maintaining or creating natural processes or systems which provide and regulate clean...
• Ecosystem SpeciesSpecies characteristic of ecosystems
• Ecosystem StatusEcosystems classified by their role in the environment
• Ecosystem Structure1. Attributes related to the instantaneous physical state of an ecosystem; examples include species...
• Ecosystem TopicsTopics in RAINE which address how climate change will impact the community's ecosystems and/or how the...
• Ecosystem ToxicityThe toxicity of a substance to aquatic organisms. It forms one component of the ecosystem...
• Ecosystem Use ServiceUse services are distinguished primarily by their requirement that users have direct access or proximity to...
• EcosystemsWhere any portion of a natural community of plants, animals, and other living organisms and the physical...
• Ecosystems servicesThe benefits people obtain from ecosystems. These services include the production of food and water...
• Ecotone1. A habitat created by the juxtaposition of distinctly different habitats; an edge habitat; or an ecological...
• ECOTOXA comprehensive web-based database developed and maintained by EPA. It contains effects of single chemicals...
• Ecotox ThresholdsSee http://www.epa.gov/oswer/riskassessment/ecotox.htm. Ecotox Thresholds (ET) are defined as media-specific...
• Ecotoxicity1. The study of toxic effects on nonhuman organisms, populations, or communities.
• Ecotoxicological AssessmentEvaluating ecological models to predict effects of pesticides and other chemicals on endangered species and...
• EcotoxicologyThe term was first coined in 1969 by René Truhaut. The science of poisons and toxic substances occurring in...
• Ectomycorrhizal FungusA type of mycorrhizal fungi that grows between root cells and forms a sheath around roots, but does not...
• EctoparasiticideAn agent that kills parasites living on the exterior of its host
• Ectopic ExpressionExpression in an abnormal part of the body.
• EctothermA cold-blooded animal, one having a body temperature determined primarily by the temperature of its...
• EC_xEffective exposure concentration associated with a biological effect in x% of the individuals. Often used for...
• eddy1. In the Earth's atmosphere, small turbulent eddies occur in the daytime when surface air is warmed by...
• Edema1. The presence of abnormally large amounts of fluid in the intercellular tissue spaces of the body, as in a...
• Edge Effect1. Changes in a community due to the rapid creation of abrupt edges in large units of previously undisturbed...
• Edge WaveA wave that moves along a trapping barrier, such as the continental shelf, the continental margin or an...
• Edge-of-Stream LoadThe amount of a pollutant reaching a simulated stream segment from a point in that stream's watershed.
• Edible Flowers Multiple SpeciesAcacia blossoms (Acacia senegal (L.) Willd.); Alyssum, sweet (Lobularia maritima (L.) Desv.); Anchusa, garden...
• Edible FungusUse for edible mushrooms that do not have poisonous attributes; For poisonous mushrooms USE poisonous fungi...
• Edisto-SanteeThe coastal drainage and associated waters from and including the Santee River Basin to the Savannah River...
• EditorThe person in an audiovisual post-production crew who assembles the production elements of footage, images...
• EDP System Volume Design CapacityTotal liquid volume that is contained in the EDP system (tank, pumps, recirculating lines, filters, etc.) at...
• EducationEducation refers to those activities that impart knowledge or understanding of a particular subject to the...
• Education ResourceAvailability and affordability of quality education suppliers
• Educational AttainmentRefers to the highest level of education completed in terms of the highest degree or the highest level of...
• Eductor(e-DUCK-ter) A hydraulic device used to create a negative pressure (suction) by forcing a liquid through a...
• ED_xEffective dose associated with a biological effect in x% of the individuals. Dose may be the external...
• E-EnterpriseA joint initiative of states, tribes and EPA to expand access to environmental monitoring data, streamline...
• E-Enterprise Community Inventory PlatformA living project inventory with content spanning topics such as IT, process improvement, advanced monitoring...
• Effect1. In general, an effect is something that inevitably follows an antecedent (cause or agent). A biological...
• Effect SizeThe size of the relationship between two variables (particularly between program variables and outcomes).
• effective concentrationA concentration expected to cause an effect in 50% of a group of test organisms.
• Effective Corrosion Inhibitor ResidualA concentration of corrosion inhibitor sufficient to form a protective coating on the interior walls of a...
• Effective Date1. The date on which an insurance policy goes into effect.
• Effective Dose1. The dose corresponding to a 10% increase in an adverse effect, relative to the control response.
• effective porosity1. The interconnected pore space through which fluids can pass, expressed as a percent of bulk volume. Part...
• Effective Precipitation1. That part of the precipitation that produces runoff.
• Effective RangeThat portion of the design range (usually upper 90 percent) in which an instrument has acceptable accuracy.
• Effective SizeThe diameter of the particles in a granular sample (filter media) for which 10 percent of the total grains...
• Effective Ventilation RateThe ventilation rate based on the actual quantity of outdoor air delivered to the occupied areas of a...
• EffectivenessAbility to achieve stated goals or objectives, judged in terms of both output and impact.
• EffectsRefers to changes, actual or potential, caused by a chemical, activity, or process as it comes into contact...
• Effects Range - LowThe concentration of a contaminant above which harmful effects may be expected to occur.
• Effects Range - MedianThe concentration of a contaminant above which harmful effects always or almost always occur.
• Efficacy Data1. Data showing that the pesticide is effective in controlling the pests for which control claims are made on...
• EfficiencyThe degree to which outputs are achieved in terms of productivity and input (resources allocated). Efficiency...
• Efficiency AssessmentAn evaluative study that answers questions about program costs in comparison to either the monetary value of...
• Efficiency RecordPart of a control measure that specifies the impact of a measure for a specific pollutant, locale, effective...
• Effluent1. Wastewater discharged from a point source, such as a pipe.
• Effluent DataWith reference to any source of discharge of any pollutant (as that term is defined in section 502(6) of the...
• Effluent Filter1. A removable, cleanable device inserted into the outlet piping of the septic tank designed to trap...
• Effluent Guideline1. Technical EPA documents that set effluent limitations for given industries and pollutants. Restrictions...
• Effluent Guidelines1. Technical EPA documents that set effluent limitations for given industries and pollutants.
• Effluent Limitation1. Restrictions established by a state or EPA on quantities, rates, and concentrations in pollutant...
• Effluent Limitation Guideline1. Regulation published by the Administrator under section 304(b) of CWA to adopt or revise “effluent...
• Effluent Limitation Guidelines and StandardsA regulation published by EPA under section 304(b) of the Clean Water Act that establishes national...
• effluent limitationsLimits on the amounts of pollutants which may be discharged by a facility; these limits are calculated so...
• Effluent Limitations Guideline1. A regulation published by the Administrator under Section 304(b) of CWA that establishes national...
• Effluent Limitations GuidelinesA regulation published by the Administrator under CWA section 304(b) to adopt or revise effluent limitations.
• Effluent Monitoring Intent CodeThe code used to segregate data collected from different monitoring activities, but which were conducted...
• Effluent Monitoring Intent NameThe name used to segregate data collected from different monitoring activities, but which were conducted...
• Effluent PlumeDelineates the extent of contamination in a given medium as a result of a distribution of effluent discharges...
• Effluent Standard1. Any effluent standard or limitation, which may include a prohibition of any discharge, established or...
• Effluent StatisticA reference table containing effluent statistic types. When the primary activity category for a sample is...
• Effluent TradingUse of trading to meet water quality standards along rivers, lakes, estuaries, and coastal waters that fail...
• Eggs and Egg ProductsDefined in the Egg Products Inspection Act, 21 U.S.C. 1033 et seq. [40 CFR 710.3 (CFR 2013)]
• EhThe electrical potential required to transfer electrons from one compound or element (the oxidant) to another...
• EhrlichiosisA tick-borne disease characterized by fever, headache, myalgias, anorexia, and occasionally rash. Causal...
• Eicosanoid Activity InductionThrough increased production or release, or inhibited degradation, Eicosanoid Activity Induction involves...
• Eicosanoid Activity InhibitionThrough decreased production or release, or enhanced degradation, Eicosanoid Activity Inhibition involves...
• Eicosanoid DegradationEicosanoid Degradation consists of conjugation, transport, and/or oxidation of hormone-like endogenous...
• Eicosanoid ModulationEicosanoid Modulation involves a change in the quality of the existing state of activity of hormone-like...
• Eicosanoid ProductionEicosanoid Production consists of synthesis of hormone-like endogenous unsaturated and oxygenated fatty acid...
• Eicosanoids1. A class of compounds named after and generally derived from C20 fatty acids ( EICOSANOIC ACIDS) that...
• EIS Facility InventoryThe category of data used to define, relate, and integrate information on the physical location...
• EIS identifiersUnique identifiers assigned by the EIS system to facility sites, emissions units, release points, and...
• EJ GrantsThis layer maps environmental justice grants and resources provided through the EPA's Office of Environmental...
• EJ IndexThere are thirteen EJ indexes in EJScreen reflecting the 13 environmental indicators, combined with...
• EjectorA device used to disperse a chemical solution into water being treated.
• Ekman DownwellingDownwardly-directed current, resulting from either the convergence of water masses or from the convergence of...
• Ekman Flow1. The flow of water at 90˚ to the direction of the wind, at steady state, due to Earth’s rotational effect.
• Ekman UpwellingUpwardly-directed current resulting from either the divergence of water masses or from movement of surface...
• El NinoA natural variability in ocean water surface pressure that causes periodic changes in ocean surface...
• El Niño - Southern OscillationEl Niño, in its original sense, is a warm water current that periodically flows along the coast of Ecuador...
• Elaeagnus angustifoliaRussian-olive is a small, usually thorny shrub or small tree that can grow to 30 feet in height. Its stems...
• Elaeagnus umbellataAutumn olive is an introduced, fast-growing woody shrub in the Elaeagnaceae (Oleaster) family. Used...
• Elastic moduli (elastic constants)Elastic moduli specify the stress- strain properties of isotropic materials in which stress is proportional...
• ElastomerAny polymer having a glass transition temperature lower than -10 °C, or a glass transition temperature...
• Elastomer GradeGroup of recipes of an elastomer type having similar characteristics such as molecular weight, monomer...
• Elastomer ProductOne of the following types of products, as they are defined in this section: (1) Butyl Rubber; (2)...
• Elastomer Product Process UnitCollection of equipment assembled and connected by hard-piping or duct work, used to process raw materials...
• Elastomer TypeOne of the elastomers listed under “elastomer product” in this section. Each elastomer identified in that...
• Elastomeric CoatingCoating designed for application over flexible parts, such as elastomeric bumpers
• Elastomeric Roof CoatingElastomeric coatings have elastic properties, and can stretch in the summertime heat and then return to their...
• Elastomeric Roof CoatingsElastomeric coatings have elastic properties, and can stretch in the summertime heat and then return to their...
• Elbow JointA type of hinge joint located between the forearm and upper arm.
• Electric ApplianceA piece of equipment, powered by electricity, used to perform a particular energy-driven function. Examples...
• Electric Arc Furnace1. Any furnace wherein electrical energy is converted to heat energy by transmission of current between...
• Electric Arc Furnace ProductionUses a batch melting process to reprocess scrap
• Electric Arc Furnace SteelmakingProduction of steel principally from steel scrap and fluxes in refractory lined furnaces by passing an...
• Electric Arc Furnace Steelmaking Facility1. Steel plant that produces carbon, alloy, or specialty steels using an EAF. This definition excludes EAF...
• Electric BoilerA boiler in which electric heating serves as the source of heat. Electric boilers that burn gaseous or liquid...
• Electric CircuitThe path followed by electrons from a power source (generator or battery), through an electrical system, and...
• Electric CoatingCoating or coating system engineered to interact, through absorption or reflection, with specific regions of...
• Electric Cost AdjustmentEnergy charge (dollars per kilowatt-hour) on a utility bill in addition to the standard rate in the tariff...
• Electric CurrentThe flow of electrical energy (electricity) in a conductor, measured in amperes.
• Electric ExpenseThe cost of labor, material, and expenses incurred in operating a facility's prime movers, generators...
• Electric FaultAn event occurring on an electric system such as a short circuit, a broken wire, or an intermittent...
• Electric fieldA vector field describing the force on a unit electrical ge [newtons/coulomb = volts/meter].
• Electric Furnace1. Any furnace which uses electricity to produce over 50 percent of the heat required in the production of...
• Electric generating unit1. The component of a power plant that produces electricity. Some power plants may have multiple EGUs on a...
• Electric Generation IndustryStationary and mobile generating units that are connected to the electric power grid and can generate...
• Electric GridUtility distribution system. The network that connects electricity generators to electricity users.
• Electric Hybrid VehicleAn electric vehicle that either (1) operates solely on electricity, but contains an internal combustion motor...
• Electric Induction FurnaceVessel in which forms of iron and steel such as scrap and foundry returns are melted though resistance...
• Electric IronSmall, electric powered household appliance used to remove wrinkles from fabric.
• Electric LoadAn end-use device or customer that receives power from the electric system.
• Electric Motor1. A device converting electrical energy to mechanical energy
• Electric Motor VehicleA motor vehicle powered by an electric motor that draws current from rechargeable storage batteries, fuel...
• Electric Power DemandRate at which electric energy is used, expressed in kilowatts, whether at a given instant, or averaged over...
• Electric Power Generation ApplicationApplication whose purpose is to generate a precise frequency of electricity, which is characterized by an...
• Electric Power Generation, Transmission and DistributionThis industry group comprises establishments primarily engaged in generating, transmitting, and/or...
• Electric Power Grid1. A system of synchronized power providers and consumers connected by transmission and distribution lines...
• Electric Power PlantA station containing prime movers, electric generators, and auxiliary equipment for converting mechanical...
• Electric Power Plant ComponentPart of an electricity generation plant
• Electric Power Plant TypeElectric power plants categorized by fuel and operating types
• Electric Power SectorUtility generators and independent power producers
• Electric Power System1. With respect to an electric power system, means the electric power system as defined in this paragraph. An...
• Electric Smelting FurnaceAny furnace in which the heat necessary for smelting of the lead sulfide ore concentrate charge is generated...
• Electric Steam Generating Unit1. Any furnace, boiler, or other device used for combusting fuel for the purpose of producing steam...
• Electric Storage TechnologyTechnologies that can store electricity to be used at a later time. These devices require a mechanism to...
• Electric Submerged Arc FurnaceAny furnace wherein electrical energy is converted to heat energy by transmission of current between...
• Electric Traction MotorElectrically powered motor which provides tractive energy to the wheels of a vehicle.
• Electric Transmission LineA system of structures, wires, insulators and associated hardware that carry electric energy from one point...
• Electric Unit Utilization1. Heat input (expressed in mmBtu/time) for a unit.
• Electric Utility1. Any person that sells electricity.
• Electric Utility Combined Cycle Gas TurbineAny combined cycle gas turbine used for electric generation that is constructed for the purpose of supplying...
• Electric Utility CompanyCompany that engages in the generation, transmission, and distribution of electricity for sale, generally in...
• Electric Utility SectorPrivately and publicly owned establishments that generate, transmit, distribute, or sell electricity...
• Electric Utility Stationary Gas TurbineAny stationary gas turbine constructed for the purpose of supplying more than one-third of its potential...
• Electric Utility Steam-Generating Unit1. Any steam electric generating unit that is constructed for the purpose of supplying more than one-third of...
• Electric Vehicle1. Vehicle that does not include an engine, and is powered solely by an external source of electricity and/or...
• Electric Vehicle Charging StationAn electric vehicle charging station that uses communications technology to enable it to intelligently...
• Electrical Charging SystemDevice to convert 60 Hz alternating electric current, as commonly available in residential electric service...
• electrical conductivityA measure of a substance ability to transmit an electrical current. Units are typically expressed in...
• Electrical conductivity (indicator of saltiness)Electrical conductivity (indicator of saltiness, specific conductivity) is a measure of water's capacity to...
• Electrical Discharge MachiningRemoving metals by a rapid spark discharge between different polarity electrodes, one the part and the other...
• Electrical Equipment1. Gas-insulated substations, circuit breakers, other switchgear, gas-insulated lines, or power transformers.
• Electrical Hazard ProtectionThe use of insulation, guarding, grounding, electrical protective devices, and safe work practices.
• Electrical LogProvides information on porosity, hydraulic conductivity, and fluid content of formations drilled in...
• Electrical logsProvide information on porosity, hydraulic conductivity, and fluid content of formations drilled in...
• electrical resistivityA measure of a substance ability to inhibit the transmission of an electrical current. Units are typically...
• electrical resistivity geophysical methodsMethods of measuring subsurface conditions through the use of an electrical current that is applied to the...
• Electrical SwitchA device which interrupts the electron flow in an electric circuit. They are either on or off.
• Electricity Generation and DistributionTechnology to support the provision of electricity for human use
• Electricity Load ManagementMethods for managing levels and patterns of usage in order to optimize system resources and facilities.
• Electricity RatePricing practices for electricity delivered to consumers
• Electricity Supplier1. As states restructure their electricity markets, an increasing number of customers will be able to choose...
• Electricity-Generation ProjectConstruction of electricity-generating engines owned and operated by the Salt River Project at the Tri-Cities...
• Electrocardiogram TestAn ECG is a recording of the electrical activity of the heartbeat and it aids in the diagnosis of heart...
• Electrochemical CellA device containing two conducting electrodes, one positive and the other negative, made of dissimilar...
• Electrochemical DegradationUtilizes the high redox potential at the anode and the low redox potential at the cathode to oxidize and/or...
• Electrochemical Detector KitsElectrochemical test kits use the electrical charges of ions that make up the target analyte(s) to identify...
• Electrochemical MachiningProcess in which the part becomes the anode and a shaped cathode is the cutting tool. By pumping electrolyte...
• Electrochemical ProcessThe direct process end use in which electricity is used to cause a chemical transformation. Major uses of...
• Electrochemical ReactionChemical changes produced by electricity (electrolysis) or the production of electricity by chemical changes...
• Electrochemical SeriesA list of metals with the standard electrode potentials given in volts. The size and sip of the electrode...
• ElectrocoagulationWastewater passes across metal electrodes to remove colloids, heavy metals, and emulsified oils. The direct...
• ElectrocoatingElectrodeposition of a metallic or nonmetallic coating onto the surface of a workpiece.
• Electrocoating PrimerProcess of applying a protective, corrosion-resistant waterborne primer on exterior and interior surfaces...
• Electrode1. A piece of metallic material that acts as an electric contact with a non-metal. In chemistry, it refers to...
• Electrodeposition1. Method of applying coatings in which the part is submerged in a tank filled with the coatings and in which...
• Electrodeposition PrimerProcess of applying a protective, corrosion-resistant waterborne primer on exterior and interior surfaces...
• ElectrodialysisA process that uses electrical current applied to permeable membranes to remove minerals from water. Often...
• ElectroformingElectrolytic process using or emitting any of the plating and polishing metal HAP, as defined in this...
• Electroless Catalyst SolutionAdding a catalyst just prior to an electroless plating operation to accelerate the plating operation.
• Electroless Nickel PlatingElectroless nickel plating is a nonelectrolytic process that uses chemical oxidation and reduction reactions...
• Electroless Plating1. Non-electrolytic process that uses or emits any of the plating and polishing metal HAP, as defined in this...
• Electroless Plating OperationAny step in the electroless plating process in which a metal is deposited on a basis material and which is...
• Electrolysis1. (ee-leck-TRAWL-us-sis) The decomposition of material by an outside electrical current.
• Electrolyte1. (ee-LECK-tro-LIGHT) A substance which dissociates (separates) into two or more ions when it is dissolved...
• Electrolytic Acid CleaningSometimes is used as a final cleaning before electroplating. Sulfuric acid is most frequently used as the...
• Electrolytic Alkaline CleaningProduces a cleaner surface than do nonelectrolytic methods of alkaline cleaning. This operation uses strong...
• Electrolytic Cell(ee-LECK-tro-LIT-ick) A device in which the chemical decomposition of material causes an electric current to...
• Electrolytic CleaningRemoving soil, scale, or surface oxides from a part by electrolysis. The part is one of the electrodes and...
• Electrolytic Plating ProcessElectroplating and electroforming that use or emit any of the plating and polishing metal HAP, as defined in...
• Electrolytic ReductionTo produce metals (e.g. aluminum) from metal oxides, the cathode in an electrochemical process supplies...
• electromagnetic geophysical methods1. Methods of measuring subsurface conductivities by low frequency electromagnetic induction. A transmitter...
• Electromagnetic GeophysicsEM geophysics refers to technologies used to detect spatial (horizontal and vertical) differences in...
• Electromagnetic InductionEM induction is a geophysical technology used to create a magnetic field beneath the earth's surface, which...
• Electromagnetic Interference CoatingCoating applied to aerospace vehicles and components to disperse static energy or reduce electromagnetic...
• Electromagnetic Interference Shield CoatingConductive coating that is applied to a plastic substrate to attenuate EMI/RFI signals.
• Electromagnetic methodA method which measures magnetic and/or electric fields associated with subsurface currents.
• Electromagnetic Radiation1. Solar and terrestrial radiation are said to be electromagnetic, made up of oscillating electric and...
• Electromagnetic Radiation HazardHazards caused by a transmitter/antenna installation that generates electromagnetic radiation in the vicinity...
• Electromagnetic Spectrum1. Particles that orbit the nucleus as a cloud. They are negatively charged and balance the positive...
• Electromagnetic-casing inspection log1. The effects of eddy currents on a magnetic field are used to provide a record of the thickness of the...
• Electrometallurgical OperationUse of electric and electrolytic processes to purify metals or reduce metallic compounds to metals.
• Electromotive ForceThe electrical pressure available to cause a flow of current (amperage) when an electrical circuit is closed.
• Electromotive SeriesA list of metals and alloys presented in the order of their tendency to corrode (or go into solution). This...
• Electron1. An extremely small, negatively charged particle; the part of an atom that determines its chemical...
• Electron Acceptor1. A chemical entity that accepts electrons transferred to it from another compound. It is an oxidizing agent...
• Electron Capture DetectorAn electron capture detector (ECD) is a device used in a gas chromatograph to detect trace amounts of...
• Electron Capture Negative Ion Mass SpectrometryMethod of mass spectrometry in which the negative ions to be detected in the spectrometer are generated by...
• Electron Diffraction1. Specialized technique used to study matter by firing electrons at a sample and observing the resulting...
• Electron Donor1. "Suitable electron donors (such as organic compounds) together with electron acceptors (such as O2...
• Electron MicroscopyAny form of microscopy in which the interactions of electrons with the specimens are used to provide...
• Electron Spin Resonance SpectroscopyA spectrometric method, based on measurement of electron spins and magnetic moments, for detecting and...
• Electron volt1. One eV is equivalent to the energy gained by an electron in passing through a potential difference of one...
• Electronic and Information TechnologyIncludes information technology and any equipment or interconnected system or subsystem of equipment, that is...
• Electronic Control ModuleEngine's electronic device that uses data from engine sensors to control engine parameters. [40 CFR 1065.1001...
• ELECTRONIC COPIESAs used in this bulletin, an electronic record created using word processing or electronic mail software that...
• Electronic CrystalCrystals or crystalline material which because of their unique structural and electronic properties are used...
• Electronic Crystal ManufacturingGrowing of crystals and/or the production of crystal wafers for use in the manufacture of electronic devices.
• Electronic Data Interchange1. The communication or transmission of data as electronic messages according to established rules and...
• Electronic documentAs defined in § 3.3 of CROMERR, any information in digital form that is conveyed to an agency or third-party...
• Electronic document receiving systemAs defined in § 3.3 of CROMERR, any set of apparatus, procedures, software, records, or documentation used to...
• ELECTRONIC DOCUMENTSRecorded information that is recorded in a form that requires a computer or other machine to process it...
• Electronic FeedersStations in which cows are fed specified amounts of feed by a computer that recognizes their unique...
• Electronic Funds TransferAny transfer of funds, other than a transaction originated by cash, check, or similar paper instrument, that...
• Electronic Funds Transfer - BasicContractor Electronic Funds Transfer (EFT) or direct deposit information.
• Electronic Import-Export Reporting DateDate that EPA announces in the FEDERAL REGISTER, on or after which exporters, importers, and receiving...
• ELECTRONIC MAILThe process or result of sending and receiving messages in electronic form via remote computer terminals.
• Electronic ManifestElectronic format of the hazardous waste manifest that is obtained from EPA’s national e-Manifest system and...
• Electronic Manifest SystemEPA’s national information technology system through which the electronic manifest may be obtained...
• ELECTRONIC MICROIMAGE TRANSMISSIONThe video transmission of digitized images. Also called microfacsimile or videomicrographics.
• Electronic Monitoring EquipmentComprised of various types of sensors, measurement principle(s), other system components used with the sensor...
• ELECTRONIC RECORDAny information that is recorded in a form that only a computer can process and that satisfies the definition...
• ELECTRONIC RECORDKEEPINGThe creation, maintenance and use, and disposition of records created and stored by using a computer.
• ELECTRONIC RECORDKEEPING SYSTEMAn electronic system in which records are collected, organized, and categorized to facilitate their...
• ELECTRONIC RECORDS SYSTEMAny information system that produces, processes, or stores records by using a computer. Often called an...
• Electronic ReportingTo make environmental reporting more accurate, complete, and efficient while helping EPA and co-regulators...
• Electronic signatureAs defined in § 3.3 of CROMERR, any information in digital form that is included in or logically associated...
• Electronic signature agreementAs defined in § 3.3 of CROMERR, an agreement signed by an individual with respect to an electronic signature...
• Electronic signature deviceAs defined in § 3.3 of CROMERR, a code or other mechanism that is used to create electronic signatures. Where...
• Electronically Controlled Automatic Ignition DeviceElectronic device which generates sparks across an electrode and reaches into a combustible gas stream...
• Electronics Industry ChemicalSpecialty chemicals needed in the manufacture of electronic components and products
• Electronics PlasticsPlastics such as high-impact polystyrene used in consumer products like televisions.
• ElectronsTiny particle moving around outside the nucleus of an atom. Each electron has one unit of negative charge (-)...
• Electrophoresis1. A method of separating substances (e.g. DNA/RNA/proteins) based on size, charge, or sequence composition...
• Electrophoresis TechnologyPowerful separation technology that is based on the characteristic electromigration of ions through a...
• ElectroplatingElectrolytic process that uses or emits any of the plating and polishing metal HAP, as defined in this...
• Electroplating BathElectrolytic solution used as the conducting medium in which the flow of current is accompanied by movement...
• Electroplating OperationAny step in the electroplating process in which a metal is electrodeposited on a basis material and which is...
• Electroplating Process1. Electroplating is the process of applying a metallic coating to an article by passing an electric current...
• Electroplating Process WastewaterProcess wastewater generated in operations which are subject to regulation under any of subparts A through H...
• Electroplating with CyanideProducing metal coatings on a surface by electrodeposition using cyanide. Electroplating provides corrosion...
• Electroplating without Chromium or CyanideProduction of metal coatings on a surface by electrodeposition, without using chromium or cyanide. Commonly...
• Electropolishing1. An electrolytic process performed in a tank after plating that uses or emits any of the plating and...
• Electrostatic ApplicationAny method of coating application where an electrostatic attraction is created between the part to be coated...
• Electrostatic AttractionThe attraction between dissimilar exposed charges on two or more molecules.
• Electrostatic Discharge CoatingCoating applied to aerospace vehicles and components to disperse static energy or reduce electromagnetic...
• Electrostatic Precipitator1. A device that removes particles from a gas stream (smoke) after combustion occurs. The ESP imparts an...
• Electrostatic SprayMethod of applying a spray coating in which an electrical charge is applied to the coating and the substrate...
• Electrostatic Spray Application1. Spray application method that uses an electrical potential to increase the transfer efficiency of the...
• Electrothermal Atomic Absorption SpectroscopyGraphite furnace atomic absorption (GFAA) spectroscopy is a highly sensitive spectroscopic technique that...
• Electrothermic FurnaceFurnace that heats the charged materials with electric arcs from carbon electrodes.
• ElectrowinningProcess that uses induced voltage on anode and cathode plates to remove metals from the continuous flow of...
• Electrowinning CellTank in which the electrowinning takes place.
• Element1. A substance which cannot be separated into its constituent parts and still retain its chemical identity...
• Element CycleThe movement of chemical elements in the Earth System
• Element or compoundA unique chemical element or compound. Chemicals are defined using the US EPA Substance registry services...
• Elemental Chlorine-Free ProcessAny process for bleaching pulps in the absence of elemental chlorine and hypochlorite that uses exclusively...
• Elementary flow1. Material or energy entering the system being studied that has been drawn from the environment without...
• Elementary Flow in Life Cycle AssessmentMaterial or energy entering or leaving the system being studied, which has been drawn from or emitted to the...
• Elementary Neutralization Unit1. Device which:(1) Is used for neutralizing wastes that are hazardous only because they exhibit the...
• Elementary Neutralization UnitsContainers, tanks, tank systems, transportation vehicles, or vessels which neutralize wastes that are...
• Elementary SchoolSchool classified as elementary by state and local practice and composed of any span of grades (including...
• Elevated ConvectionConvection occurring within an elevated layer, i.e., a layer in which the lowest portion is based above the...
• Elevated-Temperature Skydrol-Resistant Commercial PrimerPrimer applied primarily to commercial aircraft (or commercial aircraft adapted for military use) that must...
• Elevator Pit EffluentThe liquid that accumulates in, and is discharged from, the sumps of elevator wells on vessels.
• Eligible Academic EntitiesFor Purposes of the Academic Laboratories Rule, a college or university, or a non-profit research institute...
• Eligible ClaimAny claim that has satisfied the requirements set forth in § 307.21(b).
• Eligible CostCost permitted by statute, program guidance or regulations.
• Eligible CostsThe construction costs for wastewater treatment works upon which EPA grants are based.
• Eligible Indian Tribe1. Tribe that has been determined by EPA to meet the criteria for being treated in the same manner as a...
• Eligible Project CostAmounts, substantially all of which are paid by, or for the account of, an obligor in connection with a...
• Eligible Response Site Exclusion1. Eligible Response Site (ERS) Exclusion indicates that the Region has made a decision to exclude a site...
• Eligible Unlined CCR Surface ImpoundmentExisting CCR surface impoundment that meets all of the following conditions: (1) The owner or operator has...
• EliminationRejection of a candidate cause based on evidence that an expected association between that cause and the...
• ElkhornThe Elkhorn River Basin. Nebraska. Area = 6950 sq.mi.
• Elongation by TelomeraseMost telomeres are maintained by telomerase. The enzymatic activity of telomerase lengthens terminal regions...
• EluviationThe loss of material when suspended soil particles are washed away
• Elymus repensCrowds out native species.
• E-MailAlso called electronic mail, refers to messages sent over the Internet. E-mail can be sent and received via...
• Emanation RateThe rate which radon will escape a matrix. Often expressed as a percentage. For soils, typical emanation...
• EMAP DataEnvironmental monitoring data collected under the auspices of the Environmental Monitoring and Assessment...
• Embankment DamAny dam constructed of excavated natural materials, such as both earthfill and rockfill dams, or of...
• Embargo PeriodThe time after an article's journal publication during which EPA does not provide for public access to the...
• embayment1. An area of water protected by land forming a bay such as Maumee Bay.
• Embayment/Bay1. A recess or inlet in the shore of a sea or lake between two capes or headlands, not as large as a gulf but...
• Embedded EnergyThe energy contained within the raw materials used to manufacture a product. For example, the embedded energy...
• EmbeddednessThe degree to which fine sediments fill the spaces (interstices) between rocks on the substrate.
• Embodied energyThe amount of energy consumed to produce a product, in this case building materials. This includes the energy...
• EmbossingA process performed after printing to stamp a raised (or depressed) image into the surface of paper, using...
• EmbryoAn animal in the early stages of growth and differentiation that are characterized by cleavage, the laying...
• Embryologic Structure or SystemBody tissue, region, surface, cavity, fluid, organ, or collection of organs present in, or associated with...
• EmergenciesThe term implies an event or incident, which produces severe and widespread damages of such a magnitude as to...
• Emergency1. A situation or an occurrance of a serious nature, developing suddenly and unexpectedly, and demanding...
• Emergency and Hazardous Chemical Inventory1. An annual report by facilities having one or more extremely hazardous substances or hazardous chemicals...
• Emergency Broadcasting SystemUsed to inform the public about an emergency and the protective actions to take. The EBS is a service of...
• Emergency by TypeKind of any incident, whether natural or manmade, that requires responsive action to protect life or...
• Emergency (Chemical)A situation created by an accidental release or spill of hazardous chemicals that poses a threat to the...
• Emergency Condition (Requires Pesticides)Urgent, non-routine situation that requires the use of a pesticide(s) and shall be deemed to exist when:(1)...
• Emergency Department VisitTime spent in the hospital department responsible for the administration and provision of immediate medical...
• EMERGENCY DESTRUCTIONEliminating records under abnormal circumstances, as provided by law or regulations. These circumstances...
• Emergency Equipment1. Specialized vehicles used to perform aircraft rescue and fire-fighting functions at airports, with...
• Emergency Evacuation CenterBuilding adapted for use in providing temporary shelter for persons displaced from their homes due to a major...
• Emergency Exemption1. Provision in FIFRA under which EPA can grant temporary exemption to a state or another federal agency to...
• Emergency Flare1. Fuel fired by a gas turbine only during circumstances, such as natural gas supply curtailment or breakdown...
• Emergency Fuel1. Fuel fired by a gas turbine only during circumstances, such as natural gas supply curtailment or breakdown...
• Emergency Gas TurbineAny stationary gas turbine which operates as a mechanical or electrical power source only when the primary...
• Emergency GeneratorStationary combustion device, such as a reciprocating internal combustion engine or turbine that serves...
• Emergency Management - BasicInformation related to continuity of executive branch operations during emergencies or situations that may...
• Emergency Permit1. EPA may issue emergency permits under the Marine Protection, Research and Sanctuaries Act (MPRSA) only in...
• Emergency Planning & Community Right-To-Know ActTo extend and amend the Comprehensive Environmental Response, Compensation, and Liability Act of 1980, and...
• Emergency Preparedness1. Those activities, programs, and systems that exist before an emergency and that are used to support and...
• Emergency Preparedness CoordinatorThe local government official designated to be notified immediately of chemical emergencies (e.g., spills...
• Emergency PreventionActions to avoid an incident or to intervene to stop an incident from occurring. Prevention involves actions...

1,815 of 30,736 terms in Environment terminology (MLC-0121). Request the full dataset.