Browse Acronyms
Browse the acronym list:
S Listing
s
second (do NOT use "sec" for "second"; use "sec" for "secant")
S
– Secret (classification)
– siemens (same spelling for both singular and plural)
– sulfur (element, Z = 16)
S
standard deviation (also SD, Sg, or σ)
S&A
sampling and analysis
S&E
Study and Estimates
S&H
safety and health
S&HC
Safety and Health Compliance
S&HD
Safety and Health Division
S&HP
Safety and Health Protection
S&HR
Safety and Health Report
S&I
Savings and Investment (Contract)
S&M
surveillance and maintenance (preferred over "M&S")
S&S
Safeguards and Security
S&T
scientific and technical (personnel)
S&TR
Safety & Technical Review
S&W
Stone & Webster
s-ft
second-foot (contraction of cubic feet per second steam discharge) [convert to SI: second-meter (s-m)]
S-RD
Secret-Restricted Data
S-S
SEMISCALE (see SEMISCALE)
S.C.
South Carolina (use after city names in references, lists, tables, footnotes, bibliographies, and indexes; spell out in text)
S.D.
South Dakota (use after city names in references, lists, tables, footnotes, bibliographies, and indexes; spell out in text)
S.E.
standard error (math)
S.R.
State Route (use when followed by number)
S/A
subassembly
S/N
signal-to-noise (see SNR)
S/R
shipper/receiver
S/RID
Standards/Requirements Identification Document
S2F10
disulfur decafluoride
SA
– safety analysis
– Study Area
– safety assessment
– security affairs
– sintered alpha
– solution-annealed
SA-ALC
San Antonio Air Logistics Center (USAF)
SA/BM
systems analysis and battle management
SAA
– satellite accumulation area
– Society for Applied Anthropology
– Special Achievement Award
SAAC
Simulator for Air-to-Air Combat
SAAP
Supercomputer Automotive Applications Partnership
SAB
Science Advisory Board
SABL
sequencing and batch language
SAC
– Sacramento Area Office (DOE)
– Self-Assessment Committee
– Strategic Air Command
SACAM
Saturday Academy for Computing and Mathematics (ORNL program for high school seniors)
SACNET
Secure Automatic Communications Network (formerly SADIE)
SACRD
Safety Analysis Computerized Reactor Data
SAD
selective area diffraction
SADARM
search and destroy armor
SADC
safety analysis documentation officer
SADIE
Secure Automatic Data Information Exchange (now SACNET)
SADS
Statitistical Analysis of Data Subsets
SAF
– secure automated facility
– Society of American Foresters
SAFE
selective automated file encryption (computer term)
SAFER
– Division of Safeguards, Fuel Cycle, and Environmental Research (NRC)
– streamlined approach for environmental restoration (DOE)
SAFESA
U.S. Army Facilities Engineering Support Agency
SAFR
Sodium Advanced Fast Reactor (an LMR)
SAFSTOR
(a nuclear plant decommissioning method)
SAHEP
Southern Association for High Energy Physics (established 1989)
SAI
Science Applications International, Inc.
SAIC
Science Applications International Corporation
SAIL
Scheduling Algorithm for Improving Lift
SAILS
Single-Aircraft Instantaneous Line Source (model)
SALP
Systematic Assessment of Licensee Performance (NRC)
SALS
signal acquisition and logging system
SAM
– security access control and monitoring system
– security alarm monitoring system
– small-article monitor
– Society for the Advancement of Management
– Symantec AntiVirus for Macintosh
SAMA
– Scientific Apparatus Makers Association
– Scientific Apparatus Manufacturers Association
SAMBC
Southern Appalachian Man and the Biosphere Cooperative
SAMDA
severe accident mitigation design alternative
SAMPE
Society for the Advancement of Material and Process Engineering
SAN
San Francisco Operations Office (DOE)
SANS
small-angle neutron scattering
SANSF
Small Angle Neutron Scattering Facility
SAO
SERI Area Office (DOE)
SAP
– Sampling and Analysis Plan
– SAP, the business processes company, is not an acronym but a company name
– Systems, Applications, and Products in Data Processing
SAPF
Southwestern Area Production Facilities (Division) (DOE)
SAPFERP
Southwestern Area Production Facilities Environmental Restoration Program (HAZWRAP)
SAR
– safety analysis report
– specific absorption rate
SARA
– Service Academy Research Associate (program)
– Superfund Amendments and Reauthorization Act of 1986 (40 CFR Pt. 300) (see CERCLA, EPCRA, and SITE)
SARC
Safety Analysis and Review Committee
SARMG
Safety Analysis Report Management Group
SARP
Safety Analysis Report for Packaging
SARUP
Safety Analysis Report Update Program
SARWG
Safety Analysis Report Working Group
SAS
– Safety Assessment System
– secondary alarm station
– Statistical Analysis System
– Strategic Alternatives Study
– Surveillance Data Base, Analysis, and Standardization
SASA
Severe Accident Sequences Analyses (Program)
SASS
Source Assessment Sampling System
SAT
systems approach to training
SATKA
Surveillance, Acquisition, Tracking, and Kill Assessment
SATPIG
Scientific and Technical Publishing Interest Group
SAVE
Society of American Value Engineers
SAW
– sawlog harvest
– surface acoustic wave
SAXS
small-angle X-ray scattering
SAXSF
Small-Angle X-Ray Scattering Facility
sb
stilb [convert to SI: candelas per square meter (cd/m2)]
Sb
antimony (element, Z = 51)
SB
Safety Basis
SBA
Small Business Administration
SBC
sum of base cations
SBDC
Small Business Development Center (PSTCC)
SBGT
standby gas treatment
SBH
sequencing by hybridization
SBI
Small Business Initiative
SBIR
Small Business Innovation Research
SBL
space-based laser
SBLC
standby liquid control
SBLOCA
small-break loss-of-coolant accident
SBMOC
safety basis material of concern
SBMS
Standards-Based Management System
SBP
Site Benefit Plans
SBPB
space-based particle beam
SBPO
Site Benefit Plans Office
SBR
space-based radar
SBSS
Space-Based Surveillance System
SBU
strategic business unit
SBWR
simplified boiling-water reactor
Sc
scandium (element, Z = 21)
SC
– safety class
– self-commutated (inverter)
– serial communications
– South Carolina (use only with ZIP code addresses)
– Stanford Linear Accelerator Center
– steam cycle
– super collider
SC-TRU
special-case transuranic waste
SCA
signal conditioning amplifier
SCADA
Supervisory Control and Data Acquisition (System)
SCALE
Standard Computation Analyses for Licensing Evaluations (computer code)
SCAP
Superfund Comprehensive Accomplishments Plans
SCAQMD
South Coast Air Quality Management District
SCB
South Central Bell
SCBA
self-contained breathing apparatus
SCC
Site Control Center
sccm
standard cubic centimeters per minute
SCDHEC
South Carolina Department of Health and Environmental Control
SCE
– saturated calomel electrode
– Southern California Edison
ScEES
Superconductivity for Electric Energy Systems
SCEPS
Stored Chemical Energy Propulsion System
SCEUR
shell cooling energy use rate
scf
standard cubic foot [convert to SI: cubic meter (m3)]
SCF
– self-consistent field
– solar correction factor
scfm
standard cubic feet per minute [convert to SI: cubic meters per second (m3/s)]
SCFP
Surplus Contaminated Facilities Program
SCHP
Stirling-cycle heat pump
SCI
– Safety Class Item
– Sensitive Compartmented Information (classification)
– Systems Control, Inc.
SCICO
site classified information control officer
SCID
severe combined immunodeficiency disease
SCIF
Sensitive Compartmented Information Facility
SCL
Secondary Calibration Laboratory (program, NIST)
SCLDS
Submarine Countermeasure Launcher Diagnostic System
SCM
Surface Compartment Model
SCMP
Site Corrective Measures Program
SCO
– Statistical Computing Office
– source control officer
– Support Computing Office
– Support Contractor Office
SCOBUS
Small Commercial Building Use Study (CACS)
SCOPE
Scientific Committee on Problems of the Environment (US-IGBP)
SCP
site characterization plan
SCPA
Southern College Placement Association
SCR
– selective catalytic reduction
– silicon-controlled rectifier
SCRA
Social Choice and Risk Analysis
SCRE
Service Corps of Retired Executives
SCS
– shutdown cooling system
– signal conditioning system
– Soil Conservation Service (USDA)
SCSC
Scientific and Commercial Systems Corporation
SCSEP
Society of Computer Simulation Emergency Planning
SCSI
small-computer system interface
SCSS
Sequence Coding and Search System
SCTF
Slab Core Test Facility (Japan)
SCTI
Sodium Components Test Installation
SCU
– signal conditioning unit
– simulator control unit
SCUU
Southern College University Union
SCWR
Site Characterization/Worker Requirements
SD
– solid dielectric
– South Dakota (use only with ZIP code addresses)
– space defense technology
– standard deviation (also S, Sg, or σ)
SDA
SGML Document Access
SDB
small disadvantaged business
SDC
– shutdown cooling
– Solenoidal Detection Collaboration
– Strategic Defense Command
– Supplementary Design Criteria
– Systems Development Corporation
SDC/DMJM
Systems Development Corporation/Daniel, Mann, Johnson & Mendenhall
SDD
– software design document
– system design description
SDF
statistical distribution function
SDG
Systems Development Group (Energy Division, ORNL)
SDG&E
San Diego Gas & Electric Company
SDHW
solar domestic hot water
SDI
– Selective Dissemination of Information
– Steel Deck Institute
– Steel Door Institute
– Strategic Defense Information
– Strategic Defense Initiative (of SDT)
SDII
Strategic Defense Initiative Institute
SDIO
– Strategic Defense Initiative Office (of SDT)
– Strategic Defense Initiative Organization
SDM
systems/development methodology
SDO
– schedule day of
– scheduled day off
SDOR
Saltless Direct Oxide Reduction
SDP
– site development and facilities utilization plan
– site development plan
– site development planning
SDR
– standard dimension ratio
– Supplier Deviation Request
SDS
– shutdown system
– sodium dodecyl sulfate
– software design specification
– Source Data System
SDT
Space and Defense Technology (program of ETAC)
SDTP
Space and Defense Technology Program
SDTS
Spatial Data Transfer System
SDWA
Safe Drinking Water Act of 1974 (Amendments of 1977, 1986) (40 CFR Pts. 140-149; DOE Order 5400.5)
SDWAA
Safe Drinking Water Act Amendments of 1986 (EPA)
SDZ
surface danger zone
Se
selenium (element, Z = 34)
SE
– safety evaluation
– Security Evaluation
– Southeastern Power Administration
– standard error
– system engineer
SEA
– Science and Engineering Associates, Inc.
– Significant Event Award (Lockheed Martin Corp.)
SEAB
Secretary of Energy Advisory Board
SEAPPM
Safety and Environmental Administrative Policy and Procedures Manual
SEAREX
Sea-Air Exchange Program
SEAS
Strategic Environmental Assessment System
SEASTRAT
Sealift Strategic Analysis Subsystem
SEB
Source Evaluation Board
sec
secant (trigonometric function) (do NOT use "sec" for "second"; use "s" for "second")
SEC
– Science and Engineering Council (U.K.)
– Skills Enhancement Center
– summer energy consumption/cost
SECEX
secondary extraction system (see PRIMEX)
sech
hyperbolic secant (hyperbolic function)
SECME
Southeastern Consortium for Minorities in Engineering
SECP
State Energy Conservation Plan/Program (DOE)
Sect(s).
Section(s) (use only if followed by number; spell out at beginning of sentence)
SED
– Safety Engineering Department (formerly Systems Engineering Department)
– site emergency director
SEDR
State Energy Data Report
SEE
Small Emplacement Excavator
SEED
Summer Education Experience for the Disadvantaged
SEER
– Office of Science, Education, and External Relations (ORNL) (CNIE)
– seasonal energy efficiency ratio
– structural excitation and evaluation response
SEG
Scientific Ecology Group, Inc.
SEHG
solar energy heat gain
SEHP
Stirling engine heat pump
SEI
Space Exploration Initiative (Program)
SEIS
supplemental environmental impact statement (see DEA, DEIS, DES, DPEIS, EA, EAW, EIA, EIAP, EIS, ER, ERIS, ESR, FEA, FEIS, FES, FPEIS, GEIS, PA/SI, PDEA, PDEIS, PDES, PEIA, and PEIS)
SEIU
Service Employees International Union
SEL
sound equivalent level
SELT
sound exposure level (tone corrected)
SEM
scanning electron microscopy
SEMATEC
semiconductor manufacturing technology
SEMISCALE
Semiscale Test Facility (INEL)
SEMMSS
Systems and Equipment Maintenance Monitoring for Surface Ships (program)
SEMP
– Strategic Facilities Management Plan
– Systems Engineering Management Plan
SEN
Secretary of Energy Notice
SENB
single-edge, notched-beam (technique)
SEO
State Energy Office
SEOC
State Emergency Operations Center
SEP
Skills Enhancement Program
SEPER
– Science Education Programs and External Relations (ORNL)
– State Energy Price and Expenditure Report
SER
– safety evaluation report
– safety evaluation review
– standard evaluation report
Ser.
Series (use when followed by number)
SERC
– Science Education Resource Center
– Southeastern Electric Reliability Council
– State Emergency Response Commission
SERI
Solar Energy Research Institute
SERODS
surface-enhanced Raman optical data storage
SERODSS
Surface-Enhanced Raman Optical Data Storage System
SERP
– Safety Evaluation Report for Packaging
– Sedimentary Rock Program
– Supplemental Equalization Retirement Plan
SERS
– Science and Engineering Research Semester
– selective equipment removal system
– surface-enhanced Raman spectroscopy
SES
– Senior Executive Schedule (U.S. Army)
– summer energy savings
SESAPS
Southeastern Section of the American Physical Society
SET
sequential entry type
SETA
systems engineering and technical assistance
SETAC
– Science Engineering and Technology Applications Corporation
– Society of Environmental Toxicology and Chemistry
SETCF
Society of Environmental Toxicology and Chemistry Foundation
SETF
– Solvent Extraction Test Facility
– Statistical Environmental Test Facility
SEV
state equalized value
SF
– San Francisco Operations Office (DOE)
– screening factors
– single family
– solar factor
– spontaneous fission
– standard form
SF6
sulfur hexafluoride
SFC
– shop floor control
– Synthetic Fuels Corporation
SFD
– spectral feature detector
– spent fuel disassembly
SFE
supercritical fluid extraction
SFI
Strategic Facilities Initiative
SFMP
Surplus Facilities Management Plan/Program/Project
SFMPO
Surplus Facilities Management Program Office
SFP
Site and Facility Planning
SFPE
Society of Fire Protection Engineers
SFR
system functional requirement
SFRD
Secret Formerly Restricted Data (classification)
SFS
summer fractional savings
SFSD
steep-front, short-duration
SFT
– stacking fault tetrahedra
– Stockpile Flight Test
– Super Fixed Target
– Surveillance Flight Test
SFUP
Strategic Facilities Utilization Program
SFWG
Spent Fuel Working Group
SG
– synthesis gas
– steam generator
Sg
seaborgium (element, Z = 106)
Sg
standard deviation (also S, SD, or σ)
SGF
solar gain factor
SGI
– sonic-geophysical imaging
– sonic-geophysical-imaging (apparatus)
SGML
Standard Generalized Markup Language
SGN
Societe Generale pour les Techniques Nouvelles (General Society for New Techniques)
SGR
– specific growth rate
– Sodium Graphite Reactor
SGS
segmented gamma scan
SH
– Southern Hemisphere
– superhigh
SH&Q
safety, health, and quality
SHaRE
Share Research Equipment (see SMF)
SHEAF
Space Heating Fraction (model)
SHEUR
shell heating energy use rate
shf
superhigh frequency
SHL
short half-life
SHML
Ships Hazardous Materials List
SHO
Safety and Health Organization
SHPF
seasonal heating performance factor
SHPO
– State Historic Preservation Office
– state historic preservation officer
SHR
sensible heat ratio
SHRM
Safety and Health Records Management
SHRT
shutdown heat removal test
SI
– International System of Units (Systeme International d'Unites) (standard metric units; replaced mks and mksa systems)
– security inspector
– site inspection
– site investigation
– standing instruction
Si
silicon (element, Z = 14)
Si3N4
silicon nitride
SIA
social impact analysis
SIAG
Social Impacts Analysis Group
SIAM
Society for Industrial and Applied Mathematics
SiC
silicon carbide
SIC
– specific inductance capacity (relative dielectric constant)
– Standard Industrial Classification
– Standard Industrial Code
SICS
safety implications of control systems
SID
– software implementation diagram
– system interface definition
SIER
Special Instruction Engineering Release
SIF
Stable Isotope Facility (UT)
SIG
special interest group
SIGGRAPH
Special Interest Group on Computer Graphics (ACM)
SIH
standard industrial hazard
SIL
International Association of Theoretical and Applied Limnology
SIM
Society of Internal Medicine
SIMS
secondary ion mass spectrometry
sin
sine (trigonometric function)
SIN
Series Inventory Number
sinh
hyperbolic sine (hyperbolic function)
SIO
Scripps Institute of Oceanography
SIOH
supervision, inspection, and overhead
SIP
state implementation plan
SIPS
Smart Isolated Port Switch
SIR
– safe integral reactor
– savings-to-investment ratio
– Scientific Information Retrieval (system)
– standardized incidence ratio
– Submarine Intermediate Reactor
– U.S. Statutory Invention Registration
SIRIS
– sputter-induced resonance ionization spectroscopy
– sputter-initiated resonance ionization spectroscopy
SIS
special isotope separator
SISD
single instruction, single data
SISF
superlattice intrinsic stacking fault
SISO
single input/single output
SITE
Superfund Innovative Technology Evaluation (see CERCLA, EPCRA, and SARA)
SITEX
surface ionization transverse extraction
SIU
signal injection unit
SJC
secondary jobs created
SJCAPCD
San Joaquin County Air Pollution Control District
SJI
Steel Joist Institute
SKI
Swedish Nuclear Inspectorate
SL
– safety limit
– Special Linear (math)
SLA
Special Libraries Association
SLAC
Stanford Linear Accelerator Center
SLAPS
St. Louis Airport Site (DOE)
SLB
shallow land burial
SLBM
submarine-launched ballistic missile
SLC
Salt Lake City Area Office (DOE)
SLCG
Software License Compliance Group
SLCS
standby liquid control system
SLED
State-Level Electricity Demand (Model) (ORNL)
SLEP
Systems Life Extension Programs
SLF
sanitary landfill
SLF-II
Sanitary Landfill
SLFP
short-lived fission product
SLG
Science Linkage Grant (NATO)
SLGM
State-Level Gasoline Model (OEA/ORNL)
SLIM
Success Likelihood Index Method
SLIP
Serial Line Internet Protocol
SLIP/PPP
Serial Line Internet Protocol/Point-to-Point Protocol
SLLW
solid low-level (radioactive) waste
SLSA
Special Limited Security Area
SLT
Stockpile Laboratory Test
SLUC
standard level user charge
Sm
samarium (element, Z = 62)
SM
– secondary minimum
– smart meter
– Stockpile Memorandum
SMA
– shielded metal arc (welding)
– system manager/administrator
SMAC
– shipment mobility/accountability collection
– Surface Modification and Characterization (Facility/Laboratory)
SMAC/CRC
Surface Modification and Characterization Collaborative Research Center
SMACNA
Sheet Metal and Air Conditioning Contractors' National Association
SMART
– Science and Mathematics Action for Revitalized Teaching
– System for Managing Archives, Records, and documenTs
SMAUG
Smoky Mountain Area Users Group
SMB
server message block
SMC
sensor-to-computer module
SMCA
Single Manager for Conventional Ammunition (DOD)
SMCL
secondary maximum contaminant level
SMCRA
Surface Mining Control and Reclamation Act of 1977
SMCS
Security Management Control System
SME
– Society of Manufacturing Engineers
– Society of Mining Engineers
– Subject Matter Expert (U.S. Army)
SMEF
Small Manager Equity Fund
SMES
superconducting magnetic energy storage
SMF
– Seed Money Fund (ORNL)
– SHaRE Microanalysis Facility (see SHaRE)
– System Management Facility
SMG
Senior Management Group
SMHP
superconducting magnetic heat pump
SMI
soldier-machine interface
SMIC
Structured Materials Information Center (ORNL)
SML
Source Material License
SMLA
Source Material License Application
SMM
– site maintenance manager
– Solar Maximum Mission
– special material management
– Subcooling Margin Monitor
SMO
– Samoa Observatory, American Samoa
– social movement organization
SMORN
Specialists Meeting on Reactor Noise
SMP
– site management plan
– state management plan
– storage move processor
SMPG
seat miles per gallon
SMR
standardized mortality ratio
SMRF
Superconducting Motor Research Facility
SMRI
Stockpile Management Restructuring Initiative
SMS
– scanning microsclerometer
– Subcriticality Measurement System
– Systematic Management Services
SMS/SWE
Smoky Mountain Section of the Society of Women Engineers
SMSA
Standard Metropolitan Statistical Area
SMT
Supply Maintenance and Transportation
SMT/DARCOM
Supply Maintenance and Transportation/Development and Readiness Command
SMTP
Simple Mail Transfer Protocol
SMUD
Sacramento Municipal Utility District
SMWG
Standards Management Working Group
Sn
tin (element, Z = 50)
SNA
Systems Network Architecture
SNAP
– Shipboard Nontactical ADP Program
– Sneh Aero Electric Power (Israel)
– space nuclear auxiliary power
SNARL
suggested no adverse response level
SNAS
Strategic National Alternatives Study
SNC
– significant noncompliant (facility)
– significant noncomplier
SNET
Southern New England Telephone Company
SNF
spent nuclear fuel
SNG
substitute natural gas
SNIH
significant, nonstandard industrial hazard
SNL
Sandia National Laboratories
SNLA
Sandia National Laboratories-Albuquerque
SNLL
Sandia National Laboratories-Livermore
SNLN
Sandia National Laboratory Nevada Test Site
SNLT
Sandia National Laboratory Tonopah Test Range
SNM
– Society of Nuclear Medicine
– special nuclear material
– Special Nuclear Material (license)
SNMP
Simple Network Management Protocol
SNR
– Schenectady Naval Reactors Office (DOE)
– signal-to-noise ratio (see S/N)
– Startup Notification Report
– Supplier Nonconformance Report
SNS
Spallation Neutron Source (formerly National Spallation Neutron Source)
SNSF
(a project in Oslo, Norway)
SNSI
Secret National Security Information
SNSRC
Swedish Natural Science Research Council
SNT
– sensitive nuclear technology
– Snettisham Project Office (DOE)
SNUPPS
Standardized Nuclear Unit Power Plant System
SNUR
significant new use rule
SO
– safety officer
– system owner
So
tensile strength
SO2
sulfur dioxide
SOAP
State Oversight Agreement Program
SOC
– Site Operations Center
– synthetic organic chemical
SOCMA
Synthetic Organic Chemical Manufacturers Asssociation
SOCMI
synthetic organic chemical manufacturing industries
SOCOM
Special Operations Command
SOFC
solid oxide fuel cell
SOFIA
Stratospheric Observatory for Infrared Astronomy
SOFRP
Site Office Facility Representative Program (DOE)
SOI
silicon on insulator
SOJT
supervised on-the-job training
sol
soluble
SOLMOD
Systems Integrations Operations/Logistics Model
soln
solution (MSDS)
SOO
State Oversight Office (ORNL)
SOP
– Save Our Planet
– standard operating procedure
SoSAS
Sonar Signal Analysis System
SoSAS-II
Sonar Signal Analysis System Phase II
SOSG
Standard Operating Safety Guidance
SOTACA
State-of-the-Art Contingency Analysis
SOV
solenoid-operated valve
SOW
– scope of work
– statement of work
SOx
sulfur oxide(s)
SOX
oxides of sulfur
SP
– spontaneous potential (geophysical logging)
– spouse preference (U.S. Army)
– steam plant
Sp
Symplectic (math)
sp
spin (math)
sp gr
specific gravity
sp ht
specific heat
sp vol
specific volume
SPA
State Program Advisory
spall
spallation
SPARC
Students Promoting Awareness of Races and Culture
SPAWAR
U.S. Navy Space and Naval Warfare Systems Command
SPC
– Strategic Planning Committee (ORNL)
– Superconductivity Pilot Center (ORNL)
SPCC
– spill prevention control and countermeasure
– Spill Prevention, Control and Countermeasures Plan
SPCCCP
spill prevention control, countermeasures and contingency plan
SPCCP
Spill Prevention Control and Countermeasures Plan
SPCT
Subproject Coordination Team
SPD
– Security Patrol Department
– self-powered detector
– Small Projects Design (group)
– Summary Plan Description
SPDS
Safety Parameter Display System
SPE
– Society of Professional Engineers
– solid phase extraction
SPEERA
Secretarial Panel for the Evaluation of Epidemiology Research Activities
SPERT
Special Power Excursion Reactor Test
SPF
– seasonal performance factor
– Slow Positron Facility (proposed for ANS)
– standard project flood
SPFC
cooling seasonal performance factor (also CSPF)
SPFH
heating seasonal performance factor (also HSPF)
SPG
single phase to ground
SPGD
self-powered gamma detector
SPI
Socioeconomic Performance Initiative (BM&A)
SPIE
Society of Photo-Optical Instrumentation Engineers
SPL
sound pressure level
SPM
site project manager
SPMS
– Safety Performance Measurement System
– strategic planning and management system
SPND
self-powered neutron detector
SPO
South Pole Observatory (Antarctica)
SPOC
single point of contact
SPOIE
Society of Photo-Optical Instrumentation Engineers
SPORT
single-pallet-only rocket transporter
SPP
standard practice procedure
SPR
– single-point resistance (geophysical logging)
– spill prevention and response
– state-protected river
– Strategic Petroleum Reserve
– surface-penetrating radar
SPRC
Sandia Pulsar Reactor Core
SPREX
Spring Runoff Experiment (DOE)
SPRM
Site Procedures and Records Management (Organization) (K-25)
SPRPMO
Strategic Petroleum Reserve Project Management Office
SPRPO
Strategic Petroleum Reserve Project Office
SPT
Strategic Planning Team
SPWTF
Steam Plant Wastewater Treatment Facility
sq
square
SQ
splat quenched
SQA
software quality assurance
SQIPT
Site Quality Improvement Program Training
SQL
Structured Query Language (ORACLE)
sr
steradian
Sr
strontium (element, Z = 38)
SR
– Savannah River Operations Office (DOE)
– spills and releases
– state route
– surveillance requirement
– synchrotron radiation
– systems requirement
SRA
– Society for Risk Analysis
– Special Recognition Award
– state recreational area
SRBC
Susquehanna River Basin Commission
SRC
– Site Records Center
– spill response coordinator
– solvent refined coal
– Standard Requirement Code
– Stockpile Readiness Campaign
– Synergic Resource Corporation
SRC/UIC
Standard Requirement Code/Unit Identification Code
SRCPP
Solvent Refined Coal Pilot Plant
SRD
– Secret Restricted Data (classification)
– systems requirement and description
– systems requirement document
SRE
Sodium Reactor Experiment
SREMP
source region electromagnetic pulse
SREX
strontium extraction
SRF
State Revolving Fund
SRFD
Secret Formerly Restricted Data (classification)
SRI
select rod insertion
SRIC
short-rotation intensive culture (woody energy feedstocks)
SRID
see S/RID
SRIDP
Savannah River Integrated Demonstration Project
SRIP
– Soldier-Robot Interface Project
– Special Retirement Incentive Program
SRL
– Savannah River Laboratory
– structural return loss
SRM
– shared resource management
– standard reference material
SRO
– Salt Repository Office
– Savannah River Operations (DOE)
– senior reactor operator
– short-range order
– Southern Regional Office/Savannah River Operations (DOE)
SRP
– Savannah River Plant
– Savannah River Project
– short-range plan
– soluble reactive phosphorus
– standard review plan
– Summer Research Program
SRS
– Savannah River Site
– software requirement specification
SRSS
secondary reactor shutdown system
SRT
Special Response Team
SRTC
Savannah River Technology Center
SRTU
substation remote terminal unit
SRW
– solid radioactive waste
– strategic reconnaisance wing
SRWCP
Short Rotation Woody Crops Program
SS
– safety study
– sole source
– solid state
– Solid State Division (ORNL)
– stainless steel
– steady state
SS&EM
Safeguards, Security, and Emergency Management
SS&EP
Safeguards, Security, and Emergency Preparedness Division
SSA
– Social Security Administration
– System Safety Analysis
SSAR
– site safety analysis report
– standard safety analysis report
SSARR
Streamflow Synthesis and Reservoir Regulation (model)
SSAS
sonar signal analysis system
SSB
– single sideband
– Solid State Sciences Building
– Source Selection Board
SSC
– structure, system, or component
– Superconducting Super Collider
– support service contractor
SSCs
structures, systems, and components
SSD
Safeguards and Security Department
SSE
– safe-shutdown earthquake
– Safety Systems Engineering
SSEB
Southern States Energy Board
SSEDP
Southern States Energy Data Project
SSEL
structures, systems, and equipment list
SSEM
Safeguards, Security, and Emergency Management
SSES
storm sewer evaluation survey
SSF
– simultaneous saccharinfication and fermentation
– solar savings fraction
– solid storage facility
SSG
Special Services Group (TNS)
SSHEA
Site-Specific Hazards Evaluation Addendum
SSHM
site safety and health manager
SSHO
site safety and health officer
SSHP
site safety and health plan
SSI
screening site inspection
SSLC
– safety system logic cabinet
– Safety System Logic and Control
SSM
mercury-on-suspended matter
SSMPORTA
Portable Stress Strain Microprobe
SSMPP
Safeguards and Security Management and Planning Process
SSMS
spark-source mass spectrometry
SSN
– Social Security Number
– System Select Network
SSNM
Strategic Special Nuclear Material
SSnn
Safety Significant non-nuclear
SSO
– Safeguards and Security Organization
– Shift Superintendent's Office
– source selection official
SSOD
storm sewer outfall ditch
SSP
site-specific plan
SSPF
Sludge and Soils Processing Facility
SSPS
solid state protection system
SSR
– site safety representative
– surveillance summary report
SSRR
Safeguards and Security Readiness Review
SSS
storm sewer system
SSSA
Soil Science Society of America
SSSP
Site Safeguards and Security Plan
SSST
– site suitability source term
– Southeastern Symposium on System Theory
SST
– safe-secure trailer
– safe secure transport
– single-shell tank
SSTR
solid state track recorder
SSTS
Satellite Surveillance Tracking System
St
stoke [convert to SI: square meters per second (m2/s)]
ST
supporting technology
STA
– Safety Task Assignment
– Science and Technology Alliance (program) (DOE)
– Services des Techniques Advances (France)
– shift technical advisor
STAC
Science and Technology Advisory Council (State of Tennessee)
STACCS
Standard Tactical Army Command and Control System
STAFS
Standard Automated Financial System
STAMMP
Storage, Tracking, and Material Movement Program
STAPPA
State and Territorial Air Pollution Program Administrators
STAR
Summer Teachers As Resources (program)
START
Strategic Arms Reduction Treaty
statV
statvolt [convert to SI: volt (V)]
STC
– scientific and technical computing
– self-tuning controller
– site telecommunications coordinator
– site training contact
– Society for Technical Communication
STC/ETC
Society for Technical Communication/East Tennessee Chapter
STCAC
Society for Technical Communication Annual Conference
std
standard
STD
– Standard Technical Directive
– Subcontract Technical Directive
STE
Spherical Torus Experiment
STEL
short-term exposure limit (MSDS)
STEM
scanning transmission electron microscope/microscopy
STEP
Standard for the Exchange of Product Model Data
STEPS
superconducting technology for electric power systems
STES
Solar Total Energy Systems
STF
– safety test facility
– source, transport, and fate (research)
– South Tank Farm (located at ORNL)
STGWG
State and Tribal Government Working Group
STI
– Scientific and Technical Information
– Standard Technology, Inc.
– Steel Tank Institute
STIFS
Short-Term Integrated Forecasting System
STIG
steam-injected gas turbine
STIK
State Technical Institute at Knoxville
STIP
Scientific and Technical Information Program (DOE)
STM
scanning-tunneling microscopy
STN
Scientific and Technical Information Network
STO
shift technical operator
STOP
Supporters to Oppose Pollution
STORET
water storage and retrieval system (EPA)
STP
– sewage treatment plant
– smart test panel
– standard temperature and pressure (see NTP)
– Subsurface Transport Program (DOE-OHER)
STPI
self-tuning proportional-integral
STR
standard thermal reactor
STRADS
Strategic Deployment System
STRIVE
Science Teachers Research Involvement for Vital Education (now TRAP)
STRN
Standard Technical Report Number
STRP
Summer Teacher Research Program
STS
– standard threshold shift
– stockpile-to-target sequence
STSM
Senior Technical Safety Manager
STU
secure telephone unit
STV
Space Transfer Vehicle
STX
Spherical Torus Experiment
SU
storage unit (data processing)
SUAD-RT
Shipboard Uniform Automated Data Processing System - Real Time
SUBWOG
Subcommittee of JOWOG (Joint Working Group)
SUIT
State Unemployment Insurance Tax
SUNY
State University of New York
SUP
soluble unreactive phosphorus
sup
– superior (math)
– supremum (math)
SUPO
Los Alamos (super power) Boiling Water Reactor
Suppl(s).
Supplement(s) [use when followed by number(s) in citations; spell out at beginning of sentence]
SURA
– Southeastern Universities Research Association
– Southern Universities Research Association
SURnet
Southeastern University Research Network
Suts
ultimate tensile strength
Sv
sievert
SV
sampling visit
SVB
signal validation block
SVD
singular value decomposition
SVEC
Space Vacuum Epitaxy Center
SVGA
super video graphics array
SVOC
semivolatile organic compound
SVP
single-value plot
SW
– separative work
– Southwestern Power Administration
– standing wave
– surface water
SWAC
Solid Waste Action Coalition
SWACOM
Standard Water Column Model
SWAT
solid waste assessment test
SWC
surge-withstand capability
SWCA
Soil and Water Conservation Act of 1977
SWDA
– Solid Waste Disposal Act of 1965 (Amendments of 1980)
– solid waste disposal area
SWE
Society of Women Engineers
SWECS
small wind energy conversion system
SWHISS
Surface Water Hydrologic Information Support System
SWIMS
Solid Waste Information Management System
SWMA
Solid Waste Management Act
SWMU
solid waste management unit
SWO
Solid Waste Operations
SWOAPCA
Southwestern Ohio Air Pollution Control Agency
SWOT
strength, weakness, opportunity, and threat
SWP
Safety Work Permit
SWRB
stormwater retention basin
SWRT
– Sanitary Waste Reduction Team (ORNL)
– Solid Waste Recycling Team
SWS
Scientific Workstation Support
SWSA
solid waste storage area
SWTMS
Southwest Thermal Mass Study
SWTP
sanitary waste treatment plant
SWU
separative work unit (use same for plural)
SX
solvent extraction
SXR
Specification Exception Release
SY
Stanford Synchrotron Radiation Laboratory
sym
symmetrical
SYSRAP
System Reconfiguration and Analysis Program (developed by ORNL for AACE)
SZ(g)
Suzuki group (math)
σ
standard deviation (also S, SD, or Sg)
σg
geometric standard deviation
σ
summation