LibGuides: GovSpeak: A Guide to U.S. Government Acronyms & Abbreviations: L

L	Office of the Legal Adviser
L2SWBM	Large Lake Statistical Water Balance Model
L&P	Livestock and Poultry Program
LA100	Los Angeles 100% Renewable Energy Study
LAADS	Level 1 and Atmosphere Archive and Distribution System
LAD	Laboratory of Allergic Diseases
LADD	Limiting Aircraft Data Displayed
LADMF	Limited Access Death Master File
LAEP	Legal Assistance Enhancement Program
LAFA	Loss-Adjusted Food Availability
LAGEOS	LAser GEOdynamics Satellite
LAI	Location Affordability Index
LAIR	Legal Aid Interagency Roundtable
LAIRS	Labor Agreement Information Retrieval System (unable to verify 6/20)
LAMP	Lakewide Action and Management Plan \| Local Agriculture Market Program \| Localized Aviation MOS Program
LAMRP	Laboratory Animal Medicine Residency Program
LANCE	Land, Atmosphere Near real-time Capability for EOS
LANDFIRE	Landscape Fire & Resource Management Planning Tools Project
LandGEM	Landfill Gas Emissions Model
LANL	Los Alamos National Laboratory
LANSCE	Los Alamos Neutron Science Center
LAR	Loan/Application Register
LaRC	Langley Research Center
LARGE	Langley Aerosol Research Group Experiment
LARSE	Laboratory for Applications of Remote Sensing in Ecology
LAS	Land Acquisition Section
LASH	Loss Adjustment Standards Handbooks
LASSO	LES (Large-Eddy Simulation) ARM (Atmosphic Radiation Measurement) Symbiotic Simulation and Observation \| Locating and Selecting Scenarios Online

LATCH	Local Area Transportation Characteristics for Households
LAU	Local Area Unemployment
LAUS	Local Area Unemployment Statistics
LAZAP	Laser Applications facility
LB	Laboratory of Bacteriology
LB&I	Large Business and International Division
LB21	Laura Bush 21st Century Librarian Program
LBD	Longitudinal Business Database
LBL	Ernest Orlando Lawrence Berkeley National Laboratory
LBMB	Laboratory of Biochemistry and Molecular Biology
LBMS	Laboratory for BioMolecular Structure
LBNF	Long-Baseline Neutrino Facility
LBTI	Large Binocular Telescope Interferometer
LC	Library of Congress \| Livermore Computing
LCA	Labor Condition Application \| Life Cycle Assessments
LCB	Laboratory of Cell Biology \| Library of Congress Books
LCBG	Laboratory of Cancer Biology and Genetics
LCBS	Lurance Canyon Burn Site
LCC	Library of Congress Classification
LCD	Landscape Conservation Design \| Legal Counsel Division \| Local Climatological Data
LCDRG	Lifecycle Data Requirements Guide
LCDS	Laboratory of Cell and Developmental Signaling
LCI	Land Cover Institute (site archived 12/11/18) \| Life Cycle Inventory (changed to USLCI)
LCID	Laboratory of Clinical Infectious Diseases (merged into LCIM)
LCIM	Laboratory of Clinical Immunology and Microbiology
LCLS	Linac Coherent Light Source
LCM	Library of Congress Magazine
LCMAP	Land Change Monitoring, Assessment, and Projection
LCMB	Laboratory of Cellular and Molecular Biology
LCMS	Landscape Change Monitoring System
LCO	Laboratory of Cellular Oncology
LCR	Light Curve Repository
LCRC	Laboratory Computing Resource Center
LCRMSCP	Lower Colorado River Multi-Species Conservation Program
LCROSS	Lunar Crater Observation and Sensing Satellite
LCS	Land Change Science Program \| List of Classified Structures
LCSH	Library of Congress Subject Headings

LDB	Liver Diseases Branch
LDDs	Local Development Districts
LDES	Long Duration Energy Storage
LDP	Limited Denials of Participation \| Loan Deficiency Payments
LDRD	Laboratory Directed Research and Development
LDS	Leadership for a Democratic Society \| Limited Data Set
LE	Law Enforcement (FWS)
LEAD	Leadership for the Employment of Americans with Disabilities \| Low-Income Energy Affordability Data Tool (unable to verify 1/25)
LEADS	Law Enforcement Advancing Data and Science Scholars Program
LEAF	Low-Energy Accelerator Facility
LEAP	(Communities) Local Energy Action Program (unable to verify 1/25) \| Legal, External Affairs and Performance Branch
LEARCAT	Law Enforcement Agency Reported Crime Analysis Tool
LECC	Law Enforcement Coordinating Committee (page archived 1/25)
LECS	Law Enforcement Core Statistics Program
LED	Local Employment Dynamics (changed to LEHD)
LEDP	Laboratory Equipment Donation Program (unable to verify 8/19)
LEEP	Law Enforcement Enterprise Portal
LE/FAMS	Law Enforcement/Federal Air Marshal Service
LEFG	Law Enforcement Forecasting Group (unable to verify 8/18)

LEHD	Longitudinal Employer-Household Dynamics
LEI	Legal Entity Identifier
LEIA	Local Estimates of Internet Adoption \| Lunar Explorer Instrument for space biology Applications
LEIE	List of Excluded Individuals/Entities
LEIS Service	Law Enforcement Information Sharing Service
LEISI	Law Enforcement Information Sharing Initiative
LEISP	Law Enforcement Information Sharing Program (changed to LEISS)
LEISS	Law Enforcement Information Sharing Service
LEMAS	Law Enforcement Management and Administrative Statistics
LEO	Law Enforcement Online (unable to verify 4/16) \| Office of Low Earth Orbit
LEOKA	Law Enforcement Officers Killed and Assaulted Program
LEP	Limited English Proficiency
LEPAC	Lead Exposure and Prevention Advisory Committee
LESA	Law Enforcement Systems and Analysis Division
LESC	Law Enforcement Support Center
LESDC	Law Enforcement Suicide Data Collection
LESO FEPMIS	Law Enforcement Support Office Federal Excess Property Management Information System
LETTAC	National Violence Against Women Law Enforcement Training and Technical Assistance Consortium
LF	see LANDFIRE
LFLP	Local Foods, Local Places
LFMPS	Local Food Marketing Practices Survey
LFO	Large Facilities Office (changed to RIO)
LFP	Livestock Forage Program
LFPA	Local Food Purchase Assistance Cooperative Agreement Program
LFPR	Labor Force Participation Rates
LFRDB	LANDFIRE Remap Reference Database
LFS	Local Food for Schools Cooperative Agreement Program
LGAC	Landsat Global Archive Consolidation \| Local Government Advisory Committee
LGBTQ VCC	LGBTQ Veteran Care Coordinator
LGCP	Laboratory of Genitourinary Cancer Pathogenesis (unable to verify 4/24)
LGI	Laboratory of Genome Integrity
LHC	Laboratory of Human Carcinogenesis

LHD	Laboratory of Host Defenses (merged into LCIM)
LHI	Leading Health Indicators
LHNCBC	Lister Hill National Center for Biomedical Communication
LHO	Little Horned Owl program
LHOB	Longworth House Office Building
LHP	National Landslide Hazards Program
LHS	Learning Health Systems
LI	Laboratory of Immunology (changed to LISB)
LIBS	Laser-Induced Breakdown Spectroscopy
LICI	Laboratory of Integrative Cancer Immunology
LID	Laboratory of Infectious Diseases
LIDE	Laboratory for Infectious Disease and the Environment
LIG	Laboratory of Immunogenetics
LIGHT	Lymphatic Imaging, Genomics, and pHenotyping Technologies
LIHEAP	Low Income Home Energy Assistance Program
LIHTC	Low-Income Housing Tax Credit
LIHWAP	Low Income Household Water Assistance Program
LIMS	Laboratory Information Management System
LINCS	Literacy Information and Communication System
LIONS	Legal Information Office Network System
LIP	Livestock Indemnity Program
LIR	Laboratory of Immunoregulation
LiRHC	U.S. Linked Retail Health Clinic Database
LISA	Laser Interferometer Space Antenna
LISB	Laboratory of Immune System Biology
LISD	NOAA Library and Information Services (changed to NCRL)

LIV	Legislative Indexing Vocabulary (discontinued)
LLGP	Living Languages Grant Program
LLIS	Lessons Learned Information Sharing (website discontinued; content migrated into HSDL)
LLNL	Lawrence Livermore National Laboratory
LLPI	Longleaf Pine Initiative
LLQR	Lessons Learned Quarterly Report
LLS	Laboratory Leadership Service
LLSIL	Lower Living Standard Income Level
LM	Office of Legacy Management
LMAC	Livermore Microarray Center (unable to verify 11/16)
LMBP	Laboratory Medicine Best Practices (unable to verify 5/24)
LMD	Leadership Management Dashboard \| Logistics Management Directorate, FEMA \| Logistics Management Division, NASA
LMG	Lower Mississippi Water Science Center
LMI	Laboratory of Molecular Immunology
LMIV	Laboratory of Malaria Immunology and Vaccinology
LMM	Laboratory of Molecular Microbiology
LMOP	Landfill Methane Outreach Program
LMP	Living Memorials Project
LMS	Licensing and Management System
LMV-ILM	Lower Mississippi Valley Integrated Landscape Science and Monitoring (unable to verify 10/18)
LMVR	Laboratory of Malaria and Vector Research
LNCB	Laboratory on Neurobiology of Compulsive Behaviors
LNII	Laboratory of Neurological Infections and Immunity
LNM	Local Notice to Mariners
LOB	Laboratory Operations Board

LOC	Library of Congress
LOCA	Localized Constructed Analogs
Local MCap	Local Meat Capacity Grant Program
LOCIS	Library of Congress Information System
LOCS	Laboratory Outreach Communication System
LODES	LEHD Origin-Destination Employment Statistics
LOFTID	Low-Earth Orbit Flight Test of an Inflatable Decelerator
LogiQ	Logical Qubits program
LOGOS	Long-term Observations of Greenhouse gases and Ozone-depleting Substances
LOP	Legal Orientation Program (unable to verify 1/25)
LOPC	Legal Orientation Program for Custodians of Unaccompanied Children
LP	Laboratory of Pathology \| Office of Laboratory Policy
LPCS	Land Product Characterization System (unable to verify 1/23)
LPD	Laboratory of Parasitic Diseases
LP DAAC	Land Processes Distributed Active Archive Center
LPGMN	Livestock, Poultry, and Grain Market News Division
LPO	Loan Programs Office
LPR	Lawful Permanent Resident
LPS	Lab Partnering Service \| Law and Policy Section
LPT	Labeling Policy Team (changed to Labeling Team)
LPVD	Laboratory of Persistent Viral Diseases (changed to LNII)
LR2000	BLM Legacy Rehost System (discontinued; replaced by MLRS)
LRAT	Logistics Response Assistance Team
LRBAA	Long-Range Broad Agency Announcement
LRC	Lepidoptera Research Collection
LRD	Longitudinal Research Database
LRGBE	Laboratory of Receptor Biology and Gene Expression
LRN	Laboratory Response Network
LRN-B	Laboratory Response Network for Biological Threats
LRN-C	Laboratory Response Network for Chemical Threats

LRO	Lunar Reconnaissance Orbiter
LRP	Loan Repayment Programs \| Local and Regional Food Aid Procurement Program
LRPR	Legal Requirements and Program Regulations of the Federal Depository Library Program
LRR	Land Resource Regions
LRS	Land Remote Sensing (changed to NLI) \| Laws and Regulations Services
LRTD	Land Remediation Technology Division
LS	Office of Language Services
LSA	List of (CFR) Sections Affected
LSAH	Lifetime Surveillance of Astronaut Health
LSASDs	Lab Services and Applied Sciences Divisions
LSB	Laboratory of Systems Biology (changed to LISB) \| Laboratory Support Branch (unable to verify 5/20)
LSC	Legal Services Corporation
LSCM	Library Services & Content Management
LSDA	Life Sciences Data Archive
LSIB	Large Scale International Boundaries
LSIOU	List of Serials Indexed for Online Users
LSN	Licensing Support Network Library
LSN IWG	Large Scale Networking Interagency Working Group
LSP	Launch Services Program \| Library Statistics Program
LSPPO	Laboratory Science, Policy and Practice Program Office (unable to verify 10/14)
LSS	Laboratories and Scientific Services
LSSB	Library Science and Services Branch (merged into DPHID)
LSST	Rubin Observatory Legacy Survey of Space and Time

LTAR	Long Term Agroecosystem Research
LTAS	Life Table Analysis System (discontinued)
LTBP	Long-Term Bridge Performance Program
LTC	Long Term Care
LTDL	Land Treatment Digital Library
LTET	Land Treatment Exploration Tool
LTPP	Long-Term Pavement Performance
LTRM	Long Term Resource Planning
LTRMP	Long Term Resource Monitoring Program (changed to LTRM)
LTRO	Land Titles and Records Office
LTS	Library Technical Services (changed to MCS) \| Long-term Stewardship Program
LUCA	Local Update of Census Addresses Operation
LUCAS	Land Use and Carbon Scenario Simulator
LUCs	Land Use Controls
LUP	Land Use Planning (unable to verify 6/20)
LUST	Leaking Underground Storage Tank Trust Fund
LV	Laboratory of Virology
LVD	Laboratory of Viral Diseases
LVOC	Livermore Valley Open Campus
LWCF	Land and Water Conservation Fund
LWRS	Light Water Reactor Sustainability Program
LWS	Living With a Star
LYMB	Lymphoid Malignancies Branch
LZP	Laboratory of Zoonotic Pathogens (unable to verify 10/17; possibly merged into LB)