Browse Acronyms
Browse the acronym list:
I Listing
I
iodine (element, Z = 53)
I&C
– impact and capability
– instrumentation and control
– Instrumentation and Controls Division
I&E
inspection and evaluation
I&M
installation and materials
I&R
inspection and repair
I-CASE
integrated computer-aided software engineering
i.e.
id est (that is) (use only in parentheses or footnotes, followed by a comma)
i.f.
intermediate frequency
I/A
intelligent automation
I/I
inject/inhibit
I/O
input/output
I2
iodine
IA
– Independent Assessment
– Interagency Agreement
– Iowa (use only with ZIP code addresses)
IAAS
Integrated Analysis and Assessment Section
IABC
International Association of Business Communicators
IAC
Information Analysis Center
IACCB
Indirect Allocations Configuration Control Board
IAD
– Immediate Action Directive
– instrument application diagram
IAE
integral of the absolute value of the error
IAEA
International Atomic Energy Agency
IAG
interagency agreement
IAH
International Association of Hydrogeologists
IAHE
International Alliance for Higher Education (ORAU)
IAL
Internal Approval Listing
IALLW-CAT
isotope area liquid low-level waste collection and transfer
IAM
International Association of Machinists
IAMAP
International Association of Meteorology and Atmospheric Physics
IAN
instrument application name
IAP
imaging atom probe
IAPI
Office of Intergovernmental Affairs and Public Information
IAPMO
International Association of Plumbing and Mechanical Officials
IAPSO
International Association for the Physical Sciences of the Ocean
IAQ
indoor air quality
IAQCR
Intrastate Air Quality Control Region
IAQP
Indoor Air Quality Program
IAR
isobaric analog resonance
IARC
International Agency for Research on Cancer
IAS
– Information Architecture Specification
– isobaric analog state (see SIL)
– International Association of Theoretical and Applied Limnology
IASCC
irradiation-assisted stress-corrosion cracking
IASTED
International Association of Science and Technology for Development
IATA
International Air Transport Association
IAW
in accordance with
IB
– Idaho Branch Office (DOE)
– incipient boiling
IBA
Industrial Biotechnology Association
IBC
Institutional Biosafety Committee (ORNL)
IBD
Ion Beam Deposition
IBEW
International Brotherhood of Electrical Workers
IBI
index of biotic integrity
ibid.
ibidem (Latin: in the same place)
IBL
incipient boiling level
IBM
International Business Machines
IBS
– Integrated Booking System
– internal bremmstrahlung spectrum
IBW
ion Bernstein wave
IBWC
International Boundary and Water Commission
IC
– impractical to certify
– incident commander
– inductance capacitance
– industrial cooperation
– institutional control
– instructional control
– integrated circuit
– internal combustion
– ion chromotography
IC/DRS
Information Center Data Reports System
ICA
– interim corrective action
– International Communications Association
– Inventors Club of America
ICADD
International Committee for Accessible Document Design
ICAM
integrated control and measurement
ICAP
inductively coupled argon plasma
ICB
Industrial Cooperation Bulletin
ICBM
Intercontinental Ballistic Missile
ICC
– inadequate core cooling
– Information Center Complex
– Insulated Conductors Committee (IEEE PES)
– Interstate Commerce Commission
ICCB
Intergovernmental Consultation Coordination Board
ICCI
inadequate core cooling instrumentation
ICCT
innovative clean coal technology
ICD
interface control document
ICDB
Integrated Cargo Database
ICE
– independent cost estimate
– internal combustion engine
ICENET
Instrumentation and Controls Division Computer Network
ICESUG
Integrated Civil Engineering System Users Group
ICET
Institute for Certified Engineering Technicians
ICF
inertial confinement fusion
ICGG
Illinois Coal Gasification Group
ICH
ion cyclotron heating
ICI
in-core instrumentation
ICIS
Intelligent Configuration Identification System (I&C development for NASA)
ICM
interim corrective measure
ICNS
Information Center on Nuclear Standards
ICOLP
– Industry Cooperative for Ozone Layer Protection
– Information Center on Nuclear Standards
ICP
– incident command post
– inductively coupled plasma (emission, spectroscopy)
– Innovative Concepts Program
– Institutional Conservation Program
ICP-MS
inductively coupled plasma - mass spectrometer
ICP-OES
inductively coupled plasma - optical emission spectroscopy
ICPAEMC
International Commission for Protection Against Environmenal Mutagens and Carcinogens
ICPC
International Congress of Pesticide Chemistry
ICPM
Institute of Certified Professional Managers
ICPP
– Idaho Chemical Processing Plant
– Integrated Construction Program Plan
ICPS
inductively coupled plasma spectrophotometry
ICR
– internal control review
– irradiation control room
ICREMS
Instrumentation and Controls Research Engineering Management Systems
ICRF
ion cyclotron range of frequencies
ICRH
ion cyclotron resonance heating
ICRP
International Commission on Radiological Protection
ICRU
International Commission on Radiation Units and Measurements
ICS
– Incident Command System
– individual control strategy
– integrated control system
– Intelligent Cognitive Systems (Group of TSRS)
ICSB
Instrumentation and Control Systems Branch (NRC)
ICSU
International Council of Scientific Unions
ICT
International Critical Tables
ICWM
Institute of Chemical Waste Management
ID
– Idaho (use only with ZIP code addresses)
– Idaho Operations Office (DOE)
– identification
– inside diameter
– inventory difference
IDA
Institute for Defense Analysis
IDADS
Interim Data Acquisition and Display System
Idaho
(spell out unless used with ZIP code addresses)
IDB
– Industrial Development Bond
– instrument database
– integrated database
IDC
– InfoDesign Corporation
– integrated demonstration coordinator
IDCA
International Development Cooperation Agency
IDCS
Integrated Distribution Control System
IDE
Integrated Drive Electronics
IDEA
International Desalination and Environmental Association
IDES
Intelligent Document Evaluation System
IDF
induced draft fan
IDHA
International District Heating Association
IDIM
inverter-driven induction motor
IDL
– instrument development loop
– Interactive Data Language
– Internal Dosimetry Laboratory (ORP)
IDLH
immediately dangerous to life or health
IDMA
isotopic dilution and mass analysis
IDMS
– Integrated Database Management System
– isotope dilution mass spectrometry
IDO
Isotope Dilution Office
IDOD
Interdivisional/Intercompany Operations Directive
IDSA
Industrial Designers Society of America
IDW
investigation-derived waste
IDY
Interim Drum Yard
IE
instrument engineering
IEA
– Institute of Energy Analysis (ORAU)
– International Energy Agency (of OECD)
IEA/ORAU
Institute of Energy Analysis/Oak Ridge Associated Universities
IEB
International Environment Bureau
IEC
– International Electric Commission
– International Electrotechnical Commission
IECEC
Intersociety Energy Conversion Engineering Conference
IEDMS
Integrated Electric Distribution Management Systems
IEE
– Information Engineering Environment
– Institute of Electrical Engineers
IEEE
Institute of Electrical and Electronics Engineers, Inc.
IEF
– Information Engineering Facility
– Isotope Enrichment Facility
IEG
Independent Evaluation Group
IEHR
Institute for Evaluating Health Risks
IEI
International Environmental Institute (Hanford)
IEPCP
Institute of Energy Problems of Chemical Physics
IER
independent expert review
IES
Illumination Engineering Society of North America
IET
Integrated Equipment Test
IF
– intermediate frequency
– intermittent frequency
– Inventors' Forum
IF&S
integrated fire and security
IFA
information flow architecture
IFAC
International Federation on Automatic Control
IFCAM
Industrial Fuel Choice Analysis Model
IFDP
Integrated Facility Disposition Project
IFEL
Irradiated Fuels Examination Laboratory
IFFS
Intermediate Future Forecasting System (EIA)
IFIM
Instream Flow Incremental Methodology (FWS)
IFIPS
International Federation of Information Processing Systems
IFORS
International Federation of Operations Research Societies
IFP
Integrated Forest Program
IFPE
Idaho Fuel Processing Facility
IFR
integrated fast reactor
IFS
– integrated file storage
– Integrated Forest Study (on the Effects of Atmospheric Deposition)
IFSM
installation facility safety manager
IFSMTF
International Fusion Superconducting Magnet Test Facility (ORNL)
IFSP
Isotopes Facilities Shutdown Program
IG
– inspector general
– Interpretation Guide
IGAS
integrated gas analysis and sensing
IGBP
International Geosphere-Biosphere Programme
IGBT
insulated gate bipolar transistor
IGC
Intermagnetics General Corporation
IGCC
– Institute of Global Climate Change
– integrated coal gasificationcombined cycle
– intermediate gasificationcombined cycle
IGES
International Graphics Exchange System
IGO
Inspector General's Office
IGORR
International Group on Research Reactors
IGRIP
Interactive Graphics Robot Instruction Program
IGSCC
intergranular stress-corrosion cracking
IGT
– Institute of Gas Technology
– insulated gate transistor
IGU
International Geographical Union
IGUA
International Guards Union of America
IGY
International Geophysical Year
IH
– industrial hygiene
– Information Highway
IHD
Industrial Hygiene Division
IHEM
– in-house energy management
– In-House Energy Management (Program)
IHEMSC
In-House Energy Management Steering Committee
IHMM
Institute of Hazardous Materials Management
IHP
– Industrial Heat Pump Program
– Industrial Hygiene Procedure
IHSS
International Humic Substances Society
IHX
intermediate heat exchanger
IIA
Institute of Internal Auditors
IIASA
International Institute for Applied Systems Analysis
IID
intermittent ignition device/intermittent pilot ignition device
IIE
Institute of Industrial Engineers
IL
Illinois (use only with ZIP code addresses)
ILCT
International Large-Coil Task
ILE
inspection-level earthquake
ILF II
Industrial Landfill II
ILL
– Institute Laue-Langevin (Grenoble, France)
– Interlibrary Loan (Department) (ORNL)
Ill.
Illinois (use after city names in references, lists, tables, footnotes, bibliographies, and indexes; spell out in text; state name is not needed with Chicago)
ILSR
Institute for Local Self-Reliance
ILW
intermediate-level waste
ILWAS
Integrated Lake-Watershed Acidification Study (EPRI)
IM
– intermodulation
– information maintainter
Im
imaginary (math)
IM-Al
inorganic monomeric aluminum
IMA
Institute of Management Accountants
IMAC
individual microcomputer access control
IMB
Issues Management Board
IMD
Interim Management Directive
IMEASY
Integrated Management and Economic Analysis System
IMET
irradiated materials examination and test
IMGA
Irradiated Microsphere Gamma Analyzer
IMHP
ice-maker heat pump
IMI
infield methanol immersion
IMIS
– Integrated Marketing Information System
– Inventory Management Information System
Imm or IMM
modified Mercalli intensity
IMOG
Interagency Mechanical Operations Group
IMP
intramembranous protein particle
IMPAC
– Integrated Management Planning and Control (project)
– ion implantation perturbed angular correlation
IMPP
Improved Multisite Production Program
IMPRB
Issues Management Prioritization and Risk Board
IMR
Internal Management Review
IMRC
Interdivision Minority Recruiting Committee
IMS
Information Management Services (now Communications Services)
IMSL
Intelligent Measurement Systems Laboratory
IMTT
– Information Management Task Team
– Inorganic Membrane Technology Transfer (program at K-25 Site)
In
indium (element, Z = 49)
IN
Indiana (use only with ZIP code addresses)
in.
inch [convert to SI: centimeter (cm) or meter (m)]
in.2
square inch [convert to SI: square meter (m2)]
in.3
cubic inch [convert to SI: cubic meter (m3)]
Inc.
Incorporated
Ind.
Indiana (use after city names in references, lists, tables, footnotes, bibliographies, and indexes; spell out in text; state name is not needed with Indianapolis)
INE
National Energy Institute (of Ecuador)
INEEL
Idaho National Engineering and Environmental Laboratory (Idaho Falls, Idaho) [previously INEL, Idaho National Engineering Laboratory; as of Feb. 1, 2005, INEEL and Argonne National Laboratory-West (ANL-W) became the Idaho National Laboratory (INL)]
INF
Intermediate-Range Nuclear Forces (Treaty)
inf
– inferior (math)
– infimum (math)
INFCE
International Nuclear Fuel Cycle Evaluation
INIRC
International Non-Ionizing Radiation Protection Association
INL
Idaho National Laboratory
INM
Integrated Network Management (Project)
INMM
Institute of Nuclear Materials Management
INMS
Integrated Network Management System
INMTS
International Nuclear Material Tracking System
INPO
Institute of Nuclear Power Operations
INS
– International News Service
– U.S. Immigration and Naturalization Service
INT
p-iodonitrotetrazolium
int
interior (math)
INTECOL
International Association for Ecology
INTOR
International Tokamak Reactor
inv
inverse (math)
INZ
immediate notification zone
IO
– Information Flow and Operation
– information owner
– initial(s) only
– Institute of Oceanology
– Iowa (use only with ZIP code addresses)
IOC
– initial operational capability
– inorganic chemical
– Interplant Operating Committee
IOP
input/output processor
IOR
ion exchange resin
IOU
investor-owned utility
Iowa
(spell out unless used with ZIP code addresses; state name is not needed with Iowa City)
IP
– implementation plan
– industrial participant
– information processing
– institutional plan
– Internet Protocol
– ionization potential
– Office of Industrial Progress (DOE)
IPA
Institut für Produktionstechnik und Automatisierung
IPACS
Inertial Power Advanced Concept System
IPBB
Interplant Broadband (network)
IPC
– Institute of Paper Chemistry
– integrated protection cabinet
– Isotopes Processing Complex
IPCC
Intergovernmental Panel on Climate Change
IPCS
integrated plant control system
IPD
Integrated Process Demonstration
ipd
pipe diameter, inches [convert to SI: pipe diameter, meter (m); or pipe diameter, centimeters (cm)]
IPDP
Isotopes Production and Distribution Program
IPEEE
individual plant examination of external events
IPET
Integrated Prototype Equipment Test
IPFMD
Implementation Planning and Facilities Management Division (K-25)
IPG
immediate participation guarantee
IPM
(p-iodophenyl) maleimide
IPP
– Independent Power Producer
– Industry Participation Program
– International Plant Pathogen
IPP Garching
Max Planck Institut für Plasmaphysik, Garching, Germany
IPR
– In-Project Review
– Interdepartmental Purchase Request
ips
inches per second [convert to SI: centimeters per second (cm/s)]
IPS
– Intel Paragon supercomputer (ORNL)
– International Pipe Standard
– interim pumping station
– interim pumping system
– iron pipe size
IPSO
integrated process status overview
IPT
International Power Technology
IPTS
International Practical Temperature Scale
IPV
instrument pressure vessel
IQ
intelligence quotient
IR
– heat resistance
– incident reporting
– infrared ("ir" is preferred)
– inspection record
– inspection request
– insulation resistance
Ir
iridium (element, Z = 77)
ir
infrared (preferred over "IR")
IR&A
– independent review and appraisal
– Information Research and Analysis (Section) [became Biomedical and Environmental Information Analysis (Section) (BEIA) September 1989] (HASRD, ORNL)
IR&D
independent research and development
IRA
– Information Resources and Administration (predecessor to IMS)
– interim response action
IRB
– Internal Review Board
– internal review budget
IRC
– Information Resource Center
– Internal Revenue Code
IRCEE
Information Resource Center for Energy and Environment
IRD
Instituto de Radioprotecao e Dosimetria (Brazil)
IRG
Independent Review Group
IRGRC
International Research Group on Risk Communication
IRHQ
Institut de Recherche d' Hydro Quebec
IRI
Industrial Research Institute
IRIG
interrange instrumentation group
IRIS
– Image Retrieval Information System
– Integrated Risk Management Facility
– Intellectual Resources Information System
IRM
Information Resources Management
IRM/SP
Information Resource Management Strategic Plan
IRMD
Information Resource Management Division
IRML
Isotope Research Materials Laboratory
IRMS
– Information Resource Management System
– Integrated Resources Management System
IRMSC
Information Resource Management Steering Council
IROXS
impact response of oxide scales (technique)
IRP
– Installation Restoration Program
– Integrated Resource Planning
IRPA
International Radiation Protection Association
IRPM
Information and Records Program Management (now PAD)
IRS
Internal Revenue Service
IS
– industrial safety
– interim site
IS&AHP
Industrial Safetyand Applied Health Physics Division
IS&T
innovative science and technology
ISA
– information security audit (DOE)
– Instrument Society of America
ISAM
Indexed Sequential Access Method
ISC
– industrial source complex
– intelligent system computer
Isc
short-circuit current
ISCC
intergranular stress corrosion cracking
ISCP
installation spill and contingency plan
ISCST
Industrial Source Complex, Short-Term [air pollution dispersal model (EPA)]
ISD
– Information Services Division (now part of IMS)
– instrument system diagram
ISDD
Integrating System Design Description
ISDN
Integrated Services Digital Network
ISE
– integral of the square error
– Integrated Space Experiment
– International Submarine Engineering
ISEATRA
International Symposium on Ecological Aspects of Tree-Ring Analysis
ISEM
– Inside Safeguards Effectiveness Model
– International Society for Ecological Modelling
ISFMTF
International Fusion Superconducting Magnet Test Facility
ISFSI
independent spent-fuel storage installation
ISI
– in-service inspection
– Integrated Systems, Inc.
ISM
Integrated Safety Management
ISMS
Integrated Safety Management System
ISO
International Organization for Standardization (preferred over "International Standards Organization")
ISOL
isotope separation on-line
ISOO
Information Security Oversight Office
ISP
– incremental sales proposal
– Information Systems Plan
ISPO
International Safeguards Project Office
ISRM
International Society for Rock Mechanics
ISS
Industrial Safety Section
ISSCO
Integrated Software SystemsCorporation
ISSM
– Information System Security Site Manager
– Integrated Safeguards and Security Management
ISSO
information system security officer
ISSP
Information System Security Plan
IST
– in-service testing
– in situ treatment
ISTEA
Intermodal Surface Transportation Efficiency Act of 1991
ISTF
Ice Storage Test Facility
ISTIG
intercooled steam-injected gas turbine
ISTM
inspection, surveillance, testing, and maintenance
ISTP
Integrated System Test Plan
ISV
– in situ vitrification
– independent software vendor
ISWA
International Solid Wastes Management and Public Cleansing Association
ISX
Impurity Study Experiment
IT
– information technology
– Information Technology, when used as name of organization (e.g., Information Technology Organization)
– International Technology Corporation
– Internet Technologies
IT-C
Information Technology Configuration Management System
ITA
– International Television Association
– International Trade Administration (U.S. Department of Commerce)
ITAE
integral of the time-weighted absolute error
ITC
– Interagency Testing Committee
– International Trade Commission
ITCC
International Communications Conference (now STCAC)
ITDS
Integrated Traffic Data System
ITE
Institute for Transuranium Elements (Karlsruhe, Germany)
ITER
– International Thermonuclear Experimental Reactor
– International Tokomak Experimental Reactor
ITIS
Integrated Technical Information System
ITMS
ion-trap mass spectrometer
ITO
– Incentive Task Order (formerly EPIC)
– Installation Traffic Office
ITOS
inspection, test, and operating status
ITP
– integrated test plan
– interface and test processor
– International Technology Programs (K-25 division)
ITPE
Interzone Temperature Profile Estimation
ITR
information technology resources
ITRB
Independent Technical Review Board
ITRE
Institute for Transportation Research and Education
ITRI
Inhalation Toxicology Research Institute
ITS
– important to safety
– Information Technology Services
– Intelligent Transportation Systems
ITSS
Information Technology Systems and Services
ITUG
Internet Technologies Users Group
ITWG
Internet Technologies Working Group
IUC
integrated utility communications
IUCN
International Union for Conservation of Nature and Natural Resources (Switzerland)
IUFRO
International Union of Forest Research Organizations
IUPAC
International Union of Pure and Applied Chemistry
IUPAP
International Union of Pure and Applied Physics
IUR
International Union of Radioecologists
IUUPGWA
International Union, United Plant Guard Workers of America
IV
intravenous
IVFS
in-vessel fuel storage
IVHS
intelligent vehicle highways system
IVI
interactive videodisk instruction
IVP
Integrated Value-Based Planning (project of EPRI)
IWC
– inches of water column (units of pressure)
– instream waste concentration
IWCP
Industrial Waste Control Plan (ORNL)
IWMF
Interim Waste Management Facility
IWMS
Integrated Work Management System
IWO
interim waste operation
IWP
International Information/Word Processing
IWS
– Institute for Water Resources
– ionized wet scrubbers
IWTP
industrial waste treatment plant
IX
ion exchange
IXR
intelligent transfer restore