Browse Acronyms

Browse the acronym list:

E Listing

E
electric field

E&ET
Energy and Environmental Technologies (programs) (ORNL)

E&HCD
Environmental and Health Compliance Division

E&HPD
Environmental and Health Protection Division (formed June 1988)

E&M
Engineering and Maintenance Division

E&MT
Engineering and Manufacturing Technologies (programs) (ORNL)

E&OSD
Environmental and Occupational Safety Division

E&SA
environmental and safety activity

E-beam
electron beam (also EB)

E-CTFE
ethylene-chloro-trifluoroethylene

E-field
electric field

E-MAD
engine maintenance assembly and disassembly

e-mail
electronic mail

e.g.
exempli gratia (for example) (use only in parentheses or footnotes, followed by a comma)

E.M.
electromagnetic

E/C
energy-to-cost ratio

E/D
encoder-to-digital

E/GNP
total energy divided by gross national product

E³
electromagnetic environmental effects

EA
environmental assessment (see DEA, DEIS, DES, DPEIS, EAW, EIA, EIAP, EIS, ER, ERIS, ESR, FEA, FEIS, FES, FPEIS, GEIS, PA/SI, PDEA, PDEIS, PDES, PEIA, PEIS, and SEIS)

EAAR
Economists Allied for Arms Reduction

EAAS
Environmental Analysis and Assessment Section

EAB
– Energy Advisory Board
– exclusion area boundary

EAC
– Economic Adjustment Committee
– Employee Account Code
– Empowerment Assistance Council (IMS)
– Environmental Advisory Committee
– estimate at completion

EACT
Emergency Action and Coordination Team

EAD
– electroacoustic dewatering
– environmental assessment determination

EADS
Engineering Analysis and Design Synthesis

EAL
emergency action level

EAM
– Environmental ALARA Memorandum
– exercise and monitoring

EAO
Education Assistance Office

EAP
– Educational Assistance Program
– Employee Assistance Program

EAR
environmental ALARA review

EARA
– Educational Assistance Reimbursement Application (form)
– Equipment Authorization ReviewActivity

EARL
Environmental ALARA Review Letter

EARS
– Electronic Authorization and Routing System
– Environmental Activities Reporting System

EAS
Environmental Analysis Section (ESD)

EASC
Emergency Avoidance Solidification Campaign (ORNL)

EATT
Evaluation and Technology Transfer (Energy Division, ORNL)

EAW
environmental assessment worksheet (see DEA, DEIS, DES, DPEIS, EA, EIA, EIAP, EIS, ER, ERIS, ESR, FEA, FEIS, FES, FPEIS, GEIS, PA/SI, PDEA, PDEIS, PDES, PEIA, PEIS, and SEIS)

EB
electron beam (also E-beam)

EB-I
electron beam separator (AVLIS)

EBA
– evaluation basis audit
– Extended Batch Language

EBC
Existing Building Center (Energy Division, ORNL)

EBCA
U.S. Department of Energy Board of Contract Appeals

EBE
evaluation basis earthquake

EBIL
Electron Beam Injector Laboratory

EBR
Experimental Breeder Reactor

EBR-II
Experimental Breeder Reactor II

EBS
– Elmo bumpy square
– Emergency Broadcasting System
– Emergency Broadcast Station (FEMA)
– Enrichment Business Services
– environmental baseline survey

EBT
Elmo Bumpy Torus

EBT-S
Elmo Bumpy Torus-scale

EBTP
Elmo Bumpy Torus Proof of Principle

EB Weld NDE
Electron Beam Weld Nondestructive Examination

EBWR
Experimental Boiling Water Reactor

EC
– employee convenience (work schedule)
– Energy Concepts Company
– energy constant
– energy cost
– environmental compliance
– environmental control
– European Community
– evaporative cooling

EC&A
Engineering Coordination and Analysis Section (CTD)

EC₅₀
effective concentration for a specific response in 50% of a given population (see LC₅₀, LCLO, LD₅₀, and LDLO)

ECA
energy conversion area

ECAB
Elder Citizens Advisory Board (City of Oak Ridge)

ECAD
electrical characterization and diagnostics

ECAMP
Environmental Compliance Assessment and Management Program (USAF)

ECAO
Environmental Criteria and Assessment Office (Cincinnati)

ECC
– Eastman Chemical Company
– Emergency Control Center
– emergency core cooling
– Energy Conservation Coalition

ECCP
Equivalent Cost Contract Price

ECCS
emergency core cooling system

ECD
– effective cutoff diameter
– electron capture detector

ECE
– electron-cyclotron emission
– Environmental Consulting Engineering (Knoxville)

ECG
– electrochemical grinding
– Environmental Compliance Group

ECH
– electron cyclotronheating
– engine compartment heater

ECIP
Energy Conservation Investment Program

ECL
– emitter control logic
– emitter-coupled logic

ECM
– electrochemical machining
– embedded cluster method

ECMS
Employee Concerns Management System

ECO
energy conservation opportunity

ECOP
Energy Conservation Opportunity Program

ECOR
estimate of cost and obligation requirements

ECOS
Environmental Compliance Online System (ORNL)

ECP
– electron channeling pattern
– Employee Communications Program
– Employee Concerns Program
– engineering change proposal
– Environmental Compliance Program

ECPA
Electric Consumers Protection Act of 1986

ECR
– electron cyclotron resonance
– Employee Concerns Reporting (DOE-ORO)
– Engineering Change Request

ECRH
electron cyclotron resonance heating

ECRP
Employee Concerns/Response Program

ECRS
Event Classification and Reporting System

ECRWP
East Chestnut Ridge Waste Pile

ECS
– Employee Communication Survey

– Environmental Compliance Section (OECD)
– environmental control system

ECSCK
entry control systems card key

ECT
Environmental Control Technology

ECUT
Energy Conversion and Utilization Technologies

ECW
essential cooling water

ECWS
essential cooling water system

ED
electrodialysis

ED&C WSS
Engineering Design and Construction Work Smart Standards

ed.
– edition [use when preceded by number (e.g., 1st ed.) in citations]
– editor or edited by (use in citations)

EDA
engineering design activity

EDA/SQL
Enterprise Data Access/Structured Query Language

EDB
ethylene dibromide

EDC
Engineering Design Center

EDD
enforcement decision document

EDE
effective dose equivalent

EDF
– Electricité de France
– Engineering Demonstration Facility (PNC, Japan)
– Environmental Defense Fund

EDF-III
Engineering Development Facility

EDG
emergency diesel generator

EDGe
Engineering, Design, and Geosciences Group

EDI
Electronic Data Interchange

EDIAP
Energy Division Information Analysis Program

EDIS
Engineering Design Information System

EDM
electrodischarge machine

EDMS
Electronic Document Management System

EDP
– electronic data point
– electronic data processing
– engineering development plan

EDPE
electronic data processing equipment

EDR
electric dispersion reactor

EDS
– energy-dispersive spectroscopy
– Engineering Development Section (CTD)

EDT
explosive detonation trench

EDTA
– ethylene diamine tetra-acetic (acid)
– ethylenedinitrilotetraacetic acid

EDX
energy-dispersive X-ray analysis

EDXS
energy-dispersive X-ray spectroscopy

EE
– electrical engineering
– engineering evaluation
– equivalency evaluation

EE/CA
engineering evaluation/cost analysis

EEA
Energy and Environmental Applications (Group of TSRS)

EEAS
Energy and Economic Analysis Section (Energy Division, ORNL)

EEC
European Economic Community

EECA
Emergency Energy Conservation Act of 1979

EEG
electroencephalogram

EEI
– Edison Electric Institute
– Electrical Energy, Inc.

EELS
electron energy loss spectral

EEM
exercise evaluation methodology

EEMT
Energy Emergency Management Team

EEO
Equal Employment Opportunity [Energy Systems organization now Office of Work Force Diversity (OWFD)]

EEO/AA
Equal Employment Opportunity/Affirmative Action

EEOAA
Equal Employment Opportunity/Affirmative Action

EEOAC
Equal Employment Opportunity Advisory Council

EEOC
Equal Employment Opportunity Commission

EEOICPA
Energy Employees Occupational Illness Compensation Program Act

EEPROM
electrically erasable, programmable, read-only memory

EER
energy efficiency ratio

EERC
Energy and Environmental Response Center

EERS
elevated environmental risk summary

EES
– Electric Energy Systems
– Energy Extension Service (DOE)

EESC
Energy and Environment Study Conference

EFAB
Environmental Financial Advisory Board

EFCOG
Energy Facility Contractors Group

efg
electric field gradient

EFMV
estimated fair market value

EFPC
East Fork Poplar Creek

EFPD
effective full power day

EG
endoglucanase

EGA
enhanced graphics adapter

EGC
equipment grounding conductor

EGCAS
Energy and Global Change Analysis Section

EGCR
Experimental Gas-Cooled Reactor (obsolete)

EGF
epidermal growth factor

EGR
electrographic recorder

EH
– Environmental Health (DOE)
– environmental and health protection
– environmental and health site safety representative (DOE)
– Office of Environment, Safety, and Health (DOE-HQ)

EH&S
environment, health, and safety (ES&H is preferred)

EHC
electrohydraulic control

EHD
electrohydrodynamic

ehEEE
electromagnetic environmental effect

EHG
energy heat gain

EHP
Office of Environmental and Health Protection (ORNL)

EHPD
Environmental and Health Protection Division

EHS
extremely hazardous substance

EHV
extra-high voltage

EHW
extremely hazardous waste

EHX
emergency heat exchanger

EI
exposure index

EIA
– Economic Impact Area
– Electric Industries Associaton
– Electronic Industries Association
– Energy Information Administration (DOE)
– environmental impact assessment (see DEA, DEIS, DES, DPEIS, EA, EAW, EIAP, EIS, ER, ERIS, ESR, FEA, FEIS, FES, FPEIS, GEIS, PA/SI, PDEA, PDEIS, PDES, PEIA, PEIS, and SEIS)

EIAP
environmental impact analysis process (see DEA, DEIS, DES, DPEIS, EA, EAW, EIA, EIS, ER, ERIS, ESR, FEA, FEIS, FES, FPEIS, GEIS, PA/SI, PDEA, PDEIS, PDES, PEIA, PEIS, and SEIS)

EIC
– Energy Information Center
– Environmental Information Center (DOE)

EID
Environmental Impacts Division (DOE)

EIL
environmental impairment liability

EINS
Electronic Information Network System

EIR
– economic impact region
– electric input ratio
– exposure information report

EIS
– Economic Impact Studies (Energy Division)
– Electronic Imaging Section (ORNL Photography)
– environmental impact statement (see DEA, DEIS, DES, DPEIS, EA, EAW, EIA, EIAP, ER, ERIS, ESR, FEA, FEIS, FES, FPEIS, GEIS, PA/SI, PDEA, PDEIS, PDES, PEIA, PEIS, and SEIS)
– Equipment and Inspection Scheduler
– equipment interface system

EIT
Engineer-in-Training

EIVR
– Engineering Information Visit Request
– exchange of information through visits and reports

EJ
exajoule

EK
Eklutna Project Office (DOE)

EKG
electrocardiogram

EKMA
empirical kinetic modeling approach

ELA
Enterprise License Agreement

ELCAP
End-Use Load and Consumer Assessment Program

ELF
extremely low frequency

ELI
Environmental Law Institute

ELMIRD
Electromagnetic Liquid Metal Inclusion Removal Device

ELS
Eastern Lake Survey

ELSS
Environmental, Life, and Social Sciences

EM
– electromagnetic
– engineering mechanics
– environmental management
– environmental monitoring
– event manager

EM&CD
Environmental Monitoring and Compliance Department

EM/EH
Environmental Management/Environmental Health

EMA
Emergency Management Agency

EMAC
Emergency Management Advisory Committee

EMAP
Environmental Monitoring and Assessment Program

EMAT
electromagnetic acoustic transducer

EMC
– electromagnetic compatibility
– environmental monitoring and compliance
– Environmental Monitoring Center (ORNL)

EMCASS
Expert Motor Carrier Selection System

EMCML
Electromagnetic Countermeasures Launcher

EMCOM
Environmental Management Career Opportunities for Minorities (DOE program)

EMCS
– energy monitoring and control system
– energy management control system

EMD
– Emergency Management Department (OLP)
– Environmental Management Division

EMEF
Environmental Management and Enrichment Facilities (note that the correct abbreviation is EMEF, not EM&EF)

emf
electromotive force

EMF
– electromagnetic field
– electromagnetic force
– Electronics Metal Finishing Corporation
– Electron Microscope Facility (UT)

EMI
electromagnetic interference

EMIC
Environmental Mutagen Information Center

EMInS
Emergency Management Information System

EMIS
– Energy Management Information System
– Engineering Management Information System
– Enrichment Marketing Information System

EMJR
electronic maintenance job request

EML
Environmental Measurements Laboratory (New York) (DOE)

EML(P)
electromagnetic launch pulse

EMM
electromechanical manipulator

EMMIS
Environmental Monitoring Management Information System

EMP
– electromagnetic pulse
– Environmental Management Programs (organization)
– environmental monitoring plan

EMPD
Engineering Physics and Mathematics Division

EMPO
Emergency Management Program Organization

EMRA
Electronics Materiel Readiness Activity

EMS
– Emergency Management System
– Emergency Medical Services
– energy management system
– Environmental Management System
– Environmental Mutagen Society
– Essential Multiplexing System
– ethyl methanesulfonate

EMSA
Electron Microscopy Society of America

EMSC
Eisenhower Mathematics/Science Consortium (AEL)

EMSL
Environmental Monitoring and Support Laboratory

EMST
enhanced multichannel tracking

EMSU
environmental monitoring systems upgrade

EMT
– electrical metallic tubing
– electromagnetic technology
– Emergency Management Team
– Emergency Medical Team
– emergency medical technician
– energy management technology

EMTP
electromagnetic transience program

emu
electromagnetic units ("EMU" is preferred; convert to SI)

EMU
– electromagnetic units (preferred over "emu"; convert to SI as follows)

• EMU of capacitance [convert to farad (F)]
• EMU of current [convert to ampere (A)]
• EMU of electric potential [convert to volt (V)]
• EMU of inductance [convert to henry (H)]
• EMU of resistance [convert to ohm (ω)]

ENC
– Exxon Nuclear Corporation (Richland, Washington)
– equivalent noise current

ENI
Electro Nucleonics, Inc.

ENN
Emergency Notification Network

EnRI
Environmental Retraining and Internship (program)

ENS
emergency notification system

ENSO
El Nino/southern oscillation

ENTC
Eastern Nuclear Training Center

ENTOMB
(a nuclear plant decommissioning method)

ENV
equivalent noise voltage

ENVPD
Environmental Protection Division

EO
– environmental officer
– equal opportunity
– Executive Order

EOBS
Enrichment Operations and Business Services

EOC
– Emergency Operations Center
– end of cycle

EOCN
Emergency Operations Communications Network

EOD
– explosive ordnance disposal
– Explosives Ordnance Depot

EODT
explosive ordnance disposal technology

EOF
– emergency operations facility
– end of file
– end of frame

EOI
expression of interest

EOL
– end of life
– end of line

EOLMA
Ernest Orlando Lawrence Memorial Award (DOE)

EOP
– emergency operating procedure
– Emission Offset Policy
– Equipment Operating Procedure

EOPTS
emergency operating procedure tracking system

EOR
enhanced oil recovery

EOY
end of year

EP
– electronic publisher
– electronic publishing
– electrophotographic
– emergency preparedness
– Employment Program
– Energy Policy
– engineering procedure
– environmental project
– environmental protection
– equilibrium partitioning
– extraction procedure (RCRA; EPA)

EP&M
Engineering Physics and Mathematics

EPA
U.S. Environmental Protection Agency (preferred over "USEPA")

EPA-V
U.S. Environmental Protection Agency, Region V

EPACT
Energy Policy Act of 1992

EPCA
Energy Policy and Conservation Act of 1975

EPCO
Enrichment Project Coordination Office

EPCP
Equivalent Public-Cost Contract Price

EPCRA
– Emergency Planning and Community Right-to-Know Act of 1986 (SARA Title III) (40 CFR Pts. 350, 355, 370, and 372) (see CERCLA, SARA, and SITE)
– Emergency Planning and Community Right-to-Know Agency

EPD
– Emergency Planning District
– Emergency Preparedness Department (ORNL)
– Energy Programs Division

EPDC
Energy Policy Development and Conservation

EPDF
Electronic Publishing Demonstration Facility (see ADF)

EPDM
– ethylene-propylene-diene monomer
– ethylene-propylene terpolymer (also EPT)

EPEDS
Energy Price and Expenditure Data System

EPF
Environmental Protection Facility

EPG
emergency procedure guideline

EPGA
effective peak ground acceleration

EPI
– environmental priorities initiative
– Environmental Protection Initiative

EPIB
Environmental Protection Information Bulletin

EPIC
– Engineering Physics Information Center (ORNL)
– Engineering Projects Information Center
– Environmental Management Program Integrating Contractor [now Incentive Task Order (ITO)]

EPIDS
Enlisted Personnel Information Delivery System (USMC)

EPIDSP
Electronic Publishing and Internet Data Servers Project (IMS)

EPIP
Environmental Protection Implementation Plan

EPL
enhanced photoluminescence

EPLD
electrically programmable logic device

EPM
Environmental Protection Manual

EPMD
Engineering Physics and Mathematics Division (ORNL)

EPN
external point name

EPNL
effective perceived noise levels

EPO
environmental protection officer

EPP
– Employee Protection Program (DOE)
– Energy Policy and Planning
– Energy Policy Project
– Environmental Protection Program

EPPC
Edge Physics and Particle Control

EPPD
Energy Planning and Policy Development

EPPIP
Environmental Protection Program Implementation Plan

EPR
– electrochemical potentiokinetic reactivation
– electron paramagnetic resonance
– ethylene propylene rubber
– experimental power reactor

EPRI
Electric Power Research Institute (Palo Alto, California)

EPROM
– electronically programmable read-only memory
– erasable, programmable, read-only memory

EPS
– Encapsulated PostScript
– experiment protection subsystem
– expanded polystyrene

EPSCOR
Experimental Program to Stimulate Competitive Research (NSF)

EPSEP
Environmental Protection, Safety, and Emergency Planning (Office) (DOE)

EPSSC
Ecological and Physical Sciences Study Center

EPT
ethylene-propylene terpolymer (also EPDM)

EPTT
Extraction Procedure Toxicity Test (replaced by TCLP)

EPW
– electron plasma wave
– end-point weighing/weight

EPZ
emergency planning zone

EPZGA
effective peak zero ground acceleration

EQ
environmental qualification

Eq(s).
Equation(s) (use only when followed by number)

EQAB
Environmental Quality Advisory Board (Oak Ridge)

EQUEL^TM.
Embedded Query Language (trademark of Relational Technology, Inc.)

EQUEL/C^TM
Embedded Query Language written in C (trademark of Relational Technology, Inc.)

equiv
equivalent

ER
– electrorefining
– Energy-Related Health Research Laboratory
– energy research
– engineering release
– environmental report (see DEA, DEIS, DES, DPEIS, EA, EAW, EIA, EIAP, EIS, ERIS, ESR, FEA, FEIS, FES, FPEIS, GEIS, PA/SI, PDEA, PDEIS, PDES, PEIA, PEIS, and SEIS)
– environmental restoration
– Environmental Restoration (Program)
– Office of Energy Research
– Office of Environmental Restoration (DOE)

Er
erbium (element, Z = 68)

ER&D
energy research and development

ER&WM
environmental restoration and waste management

ERA
– ecological risk assessment
– Economic Regulatory Administration (DOE)
– expedited response action

ERAA
emergency readiness assurance appraisal

ERAB
Energy Research Advisory Board (DOE)

ERAP
– Emergency Readiness Assurance Plan
– Environmental Remedial Action Project

ERC
– Earth Resources Corporation
– Electric Research Council
– emergency relocation center
– Emergency Response Center

ERCP
Emergency Response Concept Plan

ERCS
emergency response cleanup services

ERD
– Ecological Research Division (DOE OHER)
– Environmental Restoration Division (ORNL)

ERDA
U.S. Energy Research and Development Administration (succeeded AEC; now DOE)

ERDAM
Energy Research and Development Administration Manual (now Department of Energy Manual)

ERDIS
Environmental Restoration Document Information System

ERDMC
Environmental Restoration Document Management Center (ERWM)

ERDP
Environmental Review and Documentation Program

ERDS
Environmental Review and Documentation System

ERF
emergency response facility

erf
error function (math)

erfc
error function complement (math)

ERFCS
emergency response facility computer system

ERFDADS
emergency response facility data acquisition and display system

ERFIS
emergency response facility indication system

ERFU
– Environmental Restoration and Facilities Update
– Environmental Restoration and Facilities Upgrade (program)

ERIP
Energy-Related Inventions Program [DOE/DOC (NBS)]

ERIS
– economic resource impact statement (see DEA, DEIS, DES, DPEIS, EA, EAW, EIA, EIAP, EIS, ER, ESR, FEA, FEIS, FES, FPEIS, GEIS, PA/SI, PDEA, PDEIS, PDES, PEIA, PEIS, and SEIS)
– Emergency Resources Identification System
– Exoatmospheric Reentry Interceptor System

ERISA
Early Retirement Income Security Act of 1974

ERL
emergency response level

ERLE
excess research laboratory equipment

ERM
– Electric Research and Management (a company name)
– environmental and radiological monitoring

ERMA
Environmental Restoration Monitoring and Assessment Program

ERMC
Environmental Restoration Management Contractor

erms
electron root mean square

ERO
– Emergency Response Organization
– Environmental Response Organization
– Environmental Restoration Organization

EROM
electronically alterable read-only memory

ERP
Environmental Restoration Program

ERPG
Emergency Response Planning Guideline

ERPS
Environmental Restoration Program Support (WMRAD)

ERR
Efficiency and Renewables Research Section (Energy Division, ORNL)

ERRAIS
Environmental Restoration and Remedial Action Information System

ERRS
Efficiency and Renewables Research Section

ERS
– Economic Research Service (USDA)
– Emergency Radio System
– Energy Research Section (CTD)

ERTA
Economic Recovery Tax Act of 1981

ERWM
Environmental Restoration and Waste Management (Program)

ERWMP
Environmental Restoration and Waste Management Programs

ERWMTD
Environmental Restoration and Waste Management Technology Development

ES
– Econometric Society
– emission spectrometry
– engineering specification
– engineering standard
– Enhanced Surveillance (Initiative)

Es
einsteinium (element, Z = 99)

ES&H
environment, safety, and health (preferred over "EH&S" and "EHS")

ES&HC
Environment, Safety, and Health Compliance

ESA
– Ecological Society of America
– Endangered Species Act of 1973
– Energy Security Act of 1980
– Enterprise Systems Architecture
– Entomological Society of America
– Environmental and Safety Activities (ORNL organizaton)
– European Space Agency

ESAAB
Energy Systems Acquisition Advisory Board

ESAF
Energy Systems Award Fee (DOE)

ESAMS
Electronic Site Action Management System

ESAP
Energy Systems Analytical Projects (office)

ESAR
Energy Systems acquisition review

ESARG
Energy Systems Administrative Reference Guide

ESC
– Ecological Study Center
– Electrical Safety Committee

ESCA
electron spectroscopy for chemical analysis (also XPS)

ESCBA
escape self-contained breathing apparatus

ESCO
– energy service company
– Energy Systems Conference Office

ESD
– electrostatic discharge
– Environmental Sciences Division (ORNL)

ESDC
Environmental Sciences Division Complex

ESDI
enhanced small device interface

ESDS
Enclosed Space Detector System

ESE
Energy Systems Evaluation

ESECRP
Energy Systems Employee Concerns/Response Program

ESEERCO
Empire State Electric Energy Research Corporation

ESEGP
Energy Systems External Gopher Project

ESEO
Energy Systems Engineering Organization

ESF
– engineered safeguards feature
– engineered safety feature
– Engineering-Scale Facility
– Environmental Support Facility

ESFA
engineered safety feature actuation

ESFAC
engineered safety feature actuation cabinet

ESFAS
engineered safety feature actuation system

ESFC
Energy Systems Finance College

ESFS
engineered safeguards feature system

ESFSM
Energy Systems facility safety manager

ESG
– Environmental Sampling Group
– Executive Steering Group

ESH
environment, safety, and health ("ES&H" is preferred over "ESH" and "EH&S")

ESH&QA
environmental, safety, health, and quality assurance

ESHC
Environmental, Safety, and Health Compliance Directorate

ESHCH
Environmental, Safety, and Health Concerns Hotline (ORNL)

ESHECRS
Employee Safety, Health, and Environmental Concerns Response System

ESHQC
Environment, Safety, Health, and Quality Committee

ESHR
Energy Systems Human Resources

ESHU
environmental, safety, and health upgrade

ESIC
Ecological Sciences Information System

ESIF
Energy Systems Inventors Forum

ESLI
Elementary Science Leadership Institute (NSF)

ESLIMS
Energy Systems Laboratory Information Management System

ESMP
Energy Systems Mentor Program

ESN
Energy Systems News

ESnet
Energy Systems Network

ESO
Engineering Service Order

ESP
– earth-surface potential
– electrostatic precipitation
– Energy Systems Procedure
– Enrichment Safeguards Program
– environmental sampling procedure
– Environmental Surveillance Procedure
– Exploratory Studies Program (ORNL) (now LDRDP)

ESPIP
Efficient Separations and Processing Integrated Program (DOE)

ESQIS
Energy Systems Quality Information System

ESR
– electron spin resonance
– environmental surveillance report (see DEA, DEIS, DES, DPEIS, EA, EAW, EIA, EIAP, EIS, ER, ERIS, FEA, FEIS, FES, FPEIS, GEIS, PA/SI, PDEA, PDEIS, PDES, PEIA, PEIS, and SEIS)

ESRA
Envelope Systems Research Apparatus

ESRI
Environmental Systems Research Institute

ESRM
Energy Systems Records Manager

ESS
Energy Systems Standard

EST
– Edwards Systems Technology
– Energy Systems Toastmasters

estd
estimated

ESTD
– Energy Systems Telecommunications Department
– Energy Systems Training and Development (ESHR)

ESTSC
Energy Science and Technology Software Center

esu
electrostatic units ("ESU" is preferred; convert to SI)

ESU
electrostatic units (preferred over "esu"; convert to SI as follows)

• ESU of capacitance [convert to farad (F)]
• ESU of current [convert to ampere (A)]
• ESU of electric potential [convert to volt (V)]
• ESU of inductance [convert to henry (H)]
• ESU of resistance [convert to ohm (ω)]

ESV
Energy Systems Values

ESWMO
Energy Systems Waste Management Operations

ESWP
Energy Systems Wellness Program

ET
evapotranspiration

et al.
et alii (and others)

et seq.
and the following

ET&I
– Engineering, Test, and Inspection (Organization, K-25)
– equipment, testing, and inspection

ETA
– engagement training aid
– estimated time of arrival

ETAC
Enrichment Technology Applications Center (became ATD; now ETD)

ETBE
ethyltertiary butyl ether

ETC
– Energy Technology Center
– environmental test chamber

ETCAWIS
East Tennessee Chapter of the Association for Women in Science

ETCHPS
East Tennessee Chapter Health Physics Society

ETD
– Engineering Technology Division
– expected time of departure

ETEC
Energy Technology Engineering Center

ETF
– Engineered Test Facility
– Equipment Test Facility

ETFE
ethyl-tetrahydro-furfuryl ether

ETGS
East Tennessee Geological Society

ETI
Education Technology Institute

ETIC
Environmental Teratology Information Center

ETIL
East Tennessee Indian League

ETIS
Environmental Technology Information Services (HAZWRAP)

ETJ
extraterritorial jurisdiction

ETMIUG
East Tennessee MapInfo Users Group

ETMPA
East Tennessee Minority Professionals Association

ETMSDG
East Tennessee Mass Spectrometry Discussion Group

ETNG
East Tennessee Natural Gas

EtO
ethylene oxide

ETP
– Emergency Technology Program
– Environmental Technology Programs

ETPCUG
East Tennessee Personal Computer Users Group

ETPMI
East Tennessee Project Management Institute

ETR
Engineering Test Reactor

ETRA
East Tennessee Resource Agency

ETRC
Engineering Test Reactor Critical (Facility)

ETS
– Emergency Telecommunications Service
– environmental tobacco smoke

ETSA
electron transport systemactivity

ETSC
Emergency Technical Services Corporation

ETSTAC
East Tennessee Special Technology Access Center

ETTP
East Tennessee Technology Park (formerly Oak Ridge K-25 Site)

ETV
electrothermal vaporization

eu
entropy unit

Eu
europium (element, Z = 63)

EU
enriched uranium

EUCF
Enriched Uranium Conversion Facility

EUCFM
Enriched Uranium Conversion Facility Modification

EUDAT
End-User Data Access Tools (OSIM committee)

EUI
extended user interface

EUO
Enriched Uranium Operations

EURATOM
European Atomic Energy Community

EURI
Enriched Uranium Recovery Improvement (Program)

EURO
Enriched Uranium Recovery Operations

Eurodif
European Gaseous Diffusion Uranium Enrichment Consortium

EUT
equipment under test

EUTUG
End-User Tool User Group

EV
electric vehicle

eV
electron volt [convert to SI: joule (J); sometimes "eV" is accepted]

EVA
extra-vehicular activity

EWB
– Emergency Waste Basin
– etched wiring board

EWDAA
Energy and Water Development Appropriations Act

EWFP
Engineered Waste Form Program (ORNL)

EWICS
European Workshop for Industrial Computer Systems

EWO
Electronic Warfare Officer (DOD)

EWWW
External World Wide Web

EXAFS
extended X-ray absorption fine structure

EXELFS
extended electron energy loss fine structure

exp
– experiment
– experimental
– exponential function (math)

EXPS
extruded polystyrene

EZ
Exclusion Zone