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

P2	Pollution Prevention
P25 CAP	Project 25 Compliance Assessment Program
P3	People, Prosperity and the Planet \| Public-Private Partnership Unit
P4VE	Partnering for Vaccine Equity
P&R	Personnel and Readiness
P&SP	Packers and Stockyards Program (changed to PSD)
PA	Bureau of Public Affairs (changed to GPA)
PAAP	Public Assistance Alternative Procedures
PAB	Personnel Appeals Board \| Program Analysis Branch
PAC	Planetary Science Advisory Committee
PACA	Perishable Agricultural Commodities Act Program
PACCARB	Presidential Advisory Council on Combating Antibiotic-Resistant Bacteria
PACE	Pandemic Analytics Center of Excellence \| Plankton, Aerosol, Cloud, ocean Ecosystem \| Pollution Abatement Costs and Expenditures Survey \| Post Application Coverage Endorsement \| Powering Affordable Clean Energy (unable to verify 2/25) \| Prevention through Active Community Engagement (unable to verify 2/25) \| Program of All-Inclusive Care for the Elderly
PACEI	Presidential Advisory Commission on Election Integrity (discontinued 1/18); documents & correspondence (unable to verify 4/24)
PACER	Payments, Claims and Enhanced Reconciliation \| Public Access to Court Electronic Records
PACHA	Presidential Advisory Council on HIV/AIDS
PACIFICA	Pacific Ocean Interior Carbon database
PACT	Partnering and Communicating Together to Act Against AIDS (unable to verify 1/25) \| Perovskite PV Accelerator for Commercializing Technologies \| Practices to Accelerate the Commercialization of Technologies \| Protecting American Communities Task Force (archived)
PAD	Policy Analysis Division (unable to verify 8/21) \| Program Adjudication Division
PADD	Petroleum Administration for Defense District \| Product Acquisition & Deployment Directorate (page archived)
PADRECC	Parkinson’s Disease Research, Education, and Clinical Center
PAD-US	Protected Areas Database of the United States
PAEO	Policy Analysis and Engagement Office (unable to verify 9/24)
PAER	Performance Analysis and External Reporting Division
PAF	Pregnancy Assistance Fund
PAFA	Priority-based Assessment of Food Additives (unable to verify 5/19)
PAGER	Prompt Assessment of Global Earthquakes for Response
PAGES	Public Access Gateway for Energy & Science

PAID	Payroll Audit Independent Determination (terminated 1/21)
PAIMI	Protection & Advocacy for Individuals with Mental Illness Program
PAIR	Patent Application Information Retrieval (retired 7/22; replaced by Patent Center) \| Protection and Advocacy of Individual Rights
PAIRS	Partnerships to Advance Innovation and Regulatory Science (changed to DPI)
PAIVED	Preventing and Addressing Intimate Violence when Engaging Dads
PAL	FOIA Public Access Link \| Project Activity Level
PAM	Office of Acquisition and Property Management \| Payment Automation Manager \| Pesticide Analytical Manual \| Poverty Area Measures
PAMA	Pediatric, Adolescent & Maternal AIDS Branch (changed to MPIDB)
PAMS	Portfolio Analysis And Management System
PANTHR	Probabilistic Analysis for National Threats Hazards and Risks
PAO	Privacy Act Office (changed to Privacy Office) \| Public Affairs Office
PAPPG	Proposal & Award Policies & Procedures Guide
PAR	NSF Public Access Repository
PARADIGM	Platform Accelerating Rural Access to Distributed and InteGrated Medical Care
PARDON	Office of the Pardon Attorney
PARIS	Public Assistance Reporting Information System
PARISE	Phased Array Radar Innovative Sensing Experiment
PARP	Pandemic Assistance Revenue Program
PAS	Post-Approval Studies Database
PASS	Physical Assessment Subsystem \| Public Area Security Summits
PASSR	Preadmission Screening and Resident Review
PatEx	Patent Examination Research Dataset
PatFT	Patent Full-Text and Image Database (replaced by Patent Public Search)
PATH	Partnership for Advancing Technology in Housing \| Projects for Assistance in Transition from Homelessness
PATHH	Pandemic Assistance for Timber Harvesters and Haulers (page archived 10/21)
PATRIOT	Visa Security Program - Pre-Adjudicated Threat Recognition Intelligence Operations Team
PAUSE	Public Alert: Unregistered Soliciting Entities
PAVE	Interagency Task Force on Property Appraisal and Valuation Equity (unable to verify 1/25)
PAW	Program to Achieve Wellness (unable to verify 3/19)
PBA	Public and Business Affairs (changed to PAO)
PBEDs	Person-borne Explosive Detection Training Guidelines
PBGC	Pension Benefit Guaranty Corporation
PBI	Plant Biotic Interactions Program
PBM	Pharmacy Benefits Management Services
PBNDS	Performance-Based National Detention Standards
PBRB	Public Buildings Reform Board
PBRN	Primary Care Practice-Based Research Networks
PBS	Public Buildings Service

PC	Office of Policy Coordination \| Peace Corps \| Preferred Communities program
PCA	Plant Conservation Alliance (unable to verify 8/17) \| Principal Cyber Advisor (unable to verify 3/24)
PCAFC	Program of Comprehensive Assistance for Family Caregivers
PCAH	President's Committee on the Arts and Humanities (unable to verify 1/25)
PCAOB	Public Company Accounting Oversight Board
PCAST	President's Council of Advisors on Science and Technology
PCB	Prevention Communication Branch
PCBE	President's Council on Bioethics (changed to PCSBI)
PCC	Program for Cooperative Cataloging
PCCP	Pandemic Cover Crop Program (site archived 5/23)
PCD	Prevening Chronic Disease Journal \| Program Complaints Division \| Program Counsel Division
PCE	Personal Consumption Expenditures
PCEA	Presidential Commission on Election Administration
PCFSN	President's Council on Fitness, Sports and Nutrition (changed to PCSFN)
PCGQR	2020 Post-Census Group Quarters Review
PCI	Pharmaceutical Countermeasures Infrastructure
PCIE	President's Council on Integrity and Effiency (changed to CIGIE)

PCII	Protected Critical Infrastructure Information
PCIP	Pre-Existing Condition Insurance Plan
PCIS	Person Centric Identity Services
PCIT	Phytosanitary Certificate Issuance & Tracking System
PCLD	Privacy and Civil Liberties Directorate
PCLFD	Privacy, Civil Liberties, and Freedom of Information Directorate (changed to PCLD)
PCLO	Privacy and Civil Liberties Office (changed to OPCL)
PCLOB	Privacy and Civil Liberties Oversight Board
PCMDI	Program for Climate Model Diagnosis and Intercomparison
PCMH	Patient Centered Medical Home
PCMSC	Pacific Coastal and Marine Science Center
PCN	Preassigned Control Number Program
PCNRC	Performance Contracting National Resource Center
PCOR	Patient-Centered Outcomes Research
PCOS	Physics of the Cosmos Program
PCPG	Personalized Career Planning and Guidance
PCPID	President's Committee for People with Intellectual Disabilities
PCRB	Process of Care Research Branch (unable to verify 11/16) \| Prepublication Classification Review Board
PCRM	Program in Cellular Regulation and Metabolism (unable to verify 11/16)
PCRN	Perkins Collaborative Resource Network
PCS	Permit Compliance System
PCSBI	Presidential Commission for the Study of Bioethical Issues (defunct; archived at Georgetown)
PCSF	Procurement Collusion Strike Force
PCSFN	President’s Council on Sports, Fitness & Nutrition
PCSP	Provider Customer Service Program
PCSRF	Pacific Coastal Salmon Recovery Fund
PCSS	Providers Clinical Support System
PCSSP	Private Charter Standard Security Program
PCT	Patent Cooperation Treaty
PCTC	Pacific Cod Trawl Cooperative Program
PD	Presidential Directives
PDA	Preliminary Damage Assessment \| Presidential Drawdown Authority

PDB	Planning Database \| Population Dynamics Branch
PDBP	Parkinson's Disease Biomarkers Program
PDC	Prescott Dispatch Center \| Proteomic Data Commons \| Provider Data Catalog
PDCO	Planetary Defense Coordination Office
PDD	Presidential Decision Directives
PDE	Planetary Data Ecosystem
PDEGEN	Program on Developmental Endocrinology and Genetics (unable to verify 3/18)
PDG B-5	Preschool Development Birth through Five
PD Hub	Public Defense Resource Hub
PDM	Pre-Disaster Mitigation Grant Program
PDMP	Prescription Drug Monitoring Programs
PDN	Program in Developmental Neuroscience (unable to verify 3/18)
PDNB	Pediatrics & Developmental Neuroscience Branch (changed to SBP)
PDP	Pesticide Data Program
PDPS	Problem Driver Pointer System
PDQ	Physician Data Query
PD&R	Office of Policy Development and Research
PDRs	Program Data Reports
PDS	Planetary Data System
PDSD	Personnel Document Security Division
PDSI	Palmer Drought Severity Index
PDT	Position Designation Tool \| Print Distribution Titles List
PE	Partnerships for Equity (unable to verify 1/25) \| Postal Explorer \| Prevention Effectiveness
PEACE	Public Expenditures for Administrative Capacity Endurance
PEADS	Presidential Emergency Action Documents (non-gov site)
PEAP	President's Education Awards Program
PEAR	Provider Education Assessment and Reporting System
PEARS	Program Evaluation and Reporting System (unable to verify 5/23; possibly replaced by N-PEARS)
PEATT	PFAS Exposure Assessment Technical Tools
PEB	Polio Eradication Branch
PeBL	Personal eBook for Learning
PECAD	Production Estimates and Crop Assessment Division (unable to verify 3/07; likely changed to IPAD)
PECE	Policy for Evaluation of Conservation Efforts
PEDAR	Postsecondary Education Descriptive Analysis Reports
PedNSS	Pediatric Nutrition Surveillance System (discontinued 2012)
PEDS	Patent Examination Data System
PEER	Program Evaluation and Evidence Registry \| Protecting Employees, Enabling Reemployment Initiative
PEGASIS	Program for Experimental Gaming & Analysis of Strategic Interaction Scenarios
PEHSU	Pediatric Environmental Health Specialty Unit

PEIR	Program Evaluation and Information Resources
PEMAD	Populations and Ecosystems Monitoring and Analysis Division
PEMAT	Patient Education Materials Assessment Tool
PEMS	Program to End Modern Slavery
PEO	Performance and Evaluation Office (unable to verify 9/24)
PEP	Population Estimates Program \| Priority Enforcement Program \| Privacy Engineering Program
PEPC	Planning, Environment and Public Comment
PEPFAR	President's Emergency Plan for AIDS Relief
PEPH	Partnerships for Environmental Public Health
PEPS	Postsecondary Education Participants System
PEQIS	Postsecondary Education Quick Information System
PERILS	Propagation, Evolution, and Rotation in Linear Storms
PERL	Power and Energy Real-Time Laboratory
PES	Post-Enumeration Survey
PESD	Pacific Ecological Systems Division
PESP	Pesticide Environmental Stewardship Program
PESTO	Planetary Exploration Science Technology Office
PET	Office of Pandemics and Emerging Threats
PETL	Processing & Environmental Lab
PETS	Postsecondary Education Transcript Studies
PEYA	President’s Environmental Youth Award
PFA	Preparedness Field Assignee
PFAS	Per- and Polyfluoroalkyl Substances
PFC	Passenger Facility Charge Program
PFDS	Precipitation Frequency Data Server
PFEL	Pacific Fisheries Environmental Laboratory (unable to verify 6/20)
PFIAB	President's Foreign Intelligence Advisory Board (changed to PIAB)
PFM	Office of Financial Management
PFMD	Park Facility Management Division
PfP	Partnership for Patients
PFP	Partnership for Food Protection
PFR	Partners for Recovery (unable to verify 8/19)
PFS	Pay for Success (unable to verify 9/23) \| Pooled-Fund Study \| Principal Follow-Up Survey
PGC	Federal Highway Policy & Guidance Center

PGD	Program on Genomics of Differentiation (unable to verify 3/18)
PGDI	Pediatric Genomic Data Inventory (unable to verify 9/22)
PGIAI	Partnership for Global Inclusivity on AI
PGNB	Pediatric Growth and Nutrition Branch
PGP	Policy and Global Presence Directorate
PGPRU	Plant Germplasm Preservation Research Unit (unable to verify 8/19)
PGRCU	Plant Genetic Resources Conservation Unit
PGRL	Petroleum Geochemistry Research Laboratory
PGSS	Program and Grantee Support Services
PHA	Public Health Alert \| Public Health Assessment \| Public Housing Agency (see PIH)
PHAP	Public Health Associate Program
PharmPAC	Pharmacist Professional Advisory Committee (unable to verify 11/16)
PHAST	Process Heating Assessment and Survey Tool \| Public Health and Safety Teams
PHB	Population Health Branch
PHDS	Public Health Data Strategy
PHE	Public Health Emergency
PHECC	Public Housing Environmental and Conservation Clearinghouse
PHED	Pesticide Handler Exposure Database
PHEFA	Public Health Entomology for All
PHEMCE	Public Health Emergency Medical Countermeasures Enterprise
PHEP	Public Health Emergency Preparedness Program and Guidance
PHESD	Public Health and Environmental Systems Division
PHGKB	Public Health Genomics Knowledge Base (discontinued 8/24)
PHGR	Public Health Grand Rounds (page archived)
PHHO	Population Health and Healthcare Office (changed to OPAPH)
PHIFP	Public Health Informatics Fellowship Program
PHIG	Public Health Infrastructure Grant
PHIL	Public Health Image Library
PHILIS	Portable High-throughput Integrated Laboratory Identification System

PHIN	Public Health Information Network
PHIN DIR	PHIN Public Health Directory
PHINMS	PHIN Messaging System
PHIN VADS	PHIN Vocabulary Access and Distribution System
PHIO	Public Health Informatics Office (unable to verify 4/24)
PHITD	Public Health and Integrated Toxicology Division
PHITPO	Public Health Informatics and Technology Program Office (replaced by PHSIPO)
PHIVE	Public Health Infrastructure Virtual Engagement
PH LEADS	Public Health Leadership and Education, Advancing Health Equity and Data Science
PHLIC	Public Health Library and Information Center (changed to CDC Library)
PHLP	Public Health Law Program
PHMOD	Public Housing Management and Occupancy Division
PHMSA	Pipeline and Hazardous Materials Administration
PHNPO	Public Health National Program Office
PHOD	Physical Oceanography Division
PHPPO	Public Health Practice Program Office (defunct)
PHPPP	Plant Health and Production and Plant Products
PHPR	Office of Public Health Preparedness and Response (changed to CPR)
PHPS	Public Health and Public Safety \| Public Health Prevention Service (site archived)
PHR	Public Health Reports
PHREO	Program in Human Research Ethics and Oversight
PHS	Division of Public Health Services \| Public Health Service (changed to ASH then OASH) \| Public Health Statements (unable to verify 2/24)
PHSIPO	Public Health Surveillance and Informatics Program Office (unable to verify 6/14)
PHSPO	Public Health Surveillance Program Office (changed to PHSIPO)
PHTN	Public Health Training Network (defunct; some content absorbed by CDC Learning Connection)
PHU	Periodic Health Update
PHWRC	Public Health Workforce Research Center
PHY	Physics Division

PI	Office of Policy and International Affairs (changed to IA) \| Pandemic Influenza programs \| Promoting Interoperability
PIA	Partnership on Inclusive Apprenticeship (unable to verify 1/25) \| Privacy Impact Assessments (DHS) \| Privacy Impact Assessments (DOJ)
PIAAC	Program for the International Assessment of Adult Competencies
PIAB	President's Intelligence Advisory Board (unable to verify 2/21)
PIADC	Plum Island Animal Disease Center
PIAEE	Presidential Innovation Award for Environmental Educators
PIC	Performance Improvement Council \| PNNL Institutional Computing (unable to verify 3/19)
PICARD	Pursuing Intelligent Complex Aerosols for Rapid Detection
PI CASC	Pacific Islands Climate Adaptation Science Center
PICH	Partnerships to Improve Community Health (unable to verify 1/24)
PICOE	Payment Integrity Center of Excellence
PICS / PICSWEB	Procurement Information Control System (unable to verify 2/16)
PI CSC	Pacific Islands Climate Science Center (changed to PI CASC)
PID	Pathway Interaction Database (website retired; content merged into NDEx)
PIDB	Public Interest Declassification Board
PIDP	Port Infrastructure Development Program
PIE	Public Interest Exclusion
PIECP	Prison Industry Enhancement Certification Program
PIER	Promoting Inclusive and Equitable Research (unable to verify 1/25)
PIERC	Pacific Island Ecosystems Research Center
PIERS	Passport Information Electronic Records System (pdf)
PIF	Pandemic Intervals Framework \| Presidential Innovation Fellows \| Public Inspection Files
PIFSC	Pacific Islands Fisheries Science Center
PIGWAD	Planetary Interactive G.I.S.-on-the-Web Analyzable Database (retired 2/19; replaced by MRCTR)
PIH	Office of Public and Indian Housing

PIL	Prescription Interdiction & Litigation Task Force (page archived 2/25)
PILB	Public Information and Liaison Branch (changed to CB)
PILOT	Planetary Image Locator Tool
PILOTS	Published International Literature on Traumatic Stress (changed to PTSDpubs)
PILT	Payment in Lieu of Taxes
PIM	Phytosanitary Issues Management
PIMS	Pension Insurance Modeling System
PIN	Public Integrity Section
PINC	Potential Incident of Noncompliance
PINEMAP	Pine Integrated Network: Education, Mitigation, and Adaptation project (terminated 10/24)
PINR	Division of Price and Index Number Research
PIP	President’s Intelligence Priorities (unable to verify 2/25)
PIP-II	Proton Improvement Plan II
PIR	Payment Information Repository
PIRLS	Progress in International Reading Literacy Study
PISA	Program for International Student Assessment
PISCES	George F. Ames Performance and Innovation in the SRF Creating Environmental Success Program
PIT	Point in Time homeless count
PITF	President’s Interagency Task Force to Monitor and Combat Trafficking in Persons
PITL	Pest Identification Technology Lab
PJAC	Procedural Justice-Informed Alternatives to Contempt
PLACES	Population Level Analysis and Community Estimates
PLAD	Public Lands Access Data
PLAIN	Plain Language Action and Information Network
PLANTS	Plant List of Attributes, Names, Taxonomy, and Symbols
PLC	Price Loss Coverage
PLCY	DHS Office of Strategy, Policy, and Plans
PLET	Pollutant Load Estimation Tool
PLIP	Pandemic Livestock Indemnity Program (page archived 10/21)
PLLI	National Institute on Postsecondary Education, Libraries, and Lifelong Learning (defunct)
PLOTS	Passport Lookout Tracking System
PLR	Bureau for Planning, Learning, and Resource Management (unable to verify 2/25) \| Polar Programs (changed to OPP)
PLS	Physical and Life Sciences Directorate \| Public Land Statistics \| Public Libraries Survey
PLSS	Public Land Survey System
PLT	Patent Law Treaty
PLUM	Periodically Listing Updates to Management, GPO \| Periodically Listing Updates to Management, OPM

PM	Bureau of Political-Military Affairs
PMA	Premarket Approval \| President's Management Agenda (unable to verify 2/25)
PMB	Office of Policy, Management and Budget \| Pharmaceutical Management Branch
PMC	PubMed Central
PMD	Property Management Division
PMDG	Performance Measures Definitions Guide
PM/DI	Office of Defense Integration
PMED	Project Management and Execution Division
PMEL	Pacific Marine Environmental Laboratory
PMF	Presidential Management Fellows Program
PM/GPI	Office of Global Programs and Initiatives
PMI	Precision Medicine Initiative \| President’s Malaria Initiative
PML	Physical Measurement Laboratory
PMN	National Phytoplankton Monitoring Network
PMNM	Papahānaumokuākea Marine National Monument
PMPD	Program and Project Management Policy, Practice and Development Division (unable to verify 10/23)
PM/PPA	Political-Military Policy and Planning Team (unable to verify 8/18)
PMRP	Particulate Matter Review Panel (discontinued 10/18)
PMS	Payment Management System
PM/SDI	Office of State-Defense Integration (changed to PM/DI)
PM/SNA	Office of Security Negotiations and Agreements
PMSS	Pregnancy Mortality Surveillance System
PMT	Production Measurement Team
PMVAP	Pandemic Market Volatility Assistance Program
PMW	Propagation Modeling Website

PM/WRA	Office of Weapons Removal and Abatement (also, WRA)
PN	Promise Neighborhoods
PNB	Presidential Nominations Branch
PNGV	Partnership for a New Generation of Vehicles (unable to verify 12/12)
PNLMS	Public Needs for Library and Museum Services Survey
PNNL	Pacific Northwest National Laboratory
PNP	Protection and National Preparedness (unable to verify 8/18)
PNR	Passenger Name Record
PNSO	Pacific Northwest Site Office
PNSP	Pesticide National Synthesis Project
PNSS	Pregnancy Nutrition Surveillance System (discontinued 2012)
PNT	Positioning, Navigation and Timing
PNW	Pacific Northwest Research Station
POB	Pediatric Oncology Branch
PO.DAAC	Physical Oceanography Distributed Active Archive Center
POE	Port of Entry
POES	Polar Operational Environmental Satellites
POINTER	Precision Outdoor and Indoor Navigation and Tracking for Emergency Responders
POLAD	Office of the Coordinator of the Foreign Policy Advisor Program (unable to verify 12/24)
POMS	Program Operations Manual System \| Property Owners and Managers Survey
PoNE	Project Point of No Entry
POP	Pelagic Observer Program
PORTS	PHEP ORR Reporting and Tracking System \| Physical Oceanographic Real-Time System
POS	Provider of Services Current Files (unable to verify 5/23)
POSEIDON	Platform Optimizing SynBio for Early Intervention and Detection in ONcology
POSSLQ	partners of the opposite sex sharing living quarters
POST	Public and Indian Housing One-Stop Tool
POTUS	President of the United States
POV	Pattern of Violations
POWER	Partnerships for Opportunity and Workforce and Economic Revitalization \| Prediction Of Worldwide Energy Resources \| Providing Opportunities for Women's Economic Rise

PPA	Office of Policy Analysis
PPAC	Patent Public Advisory Committee
PPAD	Program Planning and Accountability Division
PPB	Pregnancy and Perinatology Branch \| Program on Physical Biology (unable to verify 3/18)
PPBE	Commission on Planning, Programming, Budgeting, and Execution Reform
PPBL	PrePub Book Link
PP&C	Project Planning and Control
PPC	Planning, Programming, and Coordination Group
PPCDL	Plant Pathogen Confirmatory Diagnostics Laboratory
PPCETUCC	Pilot Program for Cybersecurity Education Technological Upgrades for Community Colleges
PPCS	Police-Public Contact Survey
PPD	Particle Physics Division \| Political Prisoner Database \| Presidential Policy Directives
PPDB	Pesticide Properties DataBase
PPDC	Pesticide Program Dialogue Committee
PPE-Info	Personal Protective Equipment Information
PPEO	Program Performance and Evaluation Office (changed to PEO)
PPF	Partnership for Peace Fund (unable to verify 2/25)
PPFL	Park Planning, Facilities & Lands Directorate
PPFS	Port Performance Freight Statistics Program
PPGC	Precipitation Prediction Grand Challenge
PPH	Patent Prosecution Highway
PPHO	Prion and Public Health Office
PPI	Policy, Planning, and Innovation \| Producer Price Index
PPIRS	Past Performance Information Retrieval System (merged into CPARS)
PPITS	Program on Pediatric Imaging and Tissue Sciences (unable to verify 11/16)
PPITW	Prices Paid Index for Commodities and Services, Interest, Taxes, and Farm Wage Rates
PPL	Bureau for Policy, Planning and Learning (changed to PLR)
PPLS	Pesticide Product and Label System
PPM	Office of Performance and Personnel Management (unable to verify 2/25) \| Office of Program, Policy and Management (unable to verify 12/22)
PPMF	Privacy-Protected Microdata Files
PPMS	Personal Property Management System (requires login)
PP-NAP	Purchase to Plate National Average Prices
PPNC	Power Plants and Neighboring Communities
PPO	Office of Policy and Public Outreach
PPOC	Prints & Photographs Online Catalog
PPOHA	Promoting Postbaccalaureate Opportunities for Hispanic Americans
PPOP	Program Performance One-Pager

PPP	Paycheck Protection Program \| Prohibited Personnel Practices
PPPL	Princeton Plasma Physics Laboratory
PPPO	Portsmouth/Paducah Project Office
PPPR	Project Plan Peer Review
PPPSR	Poultry Production and Product Safety Research
PPQ	Plant Protection and Quarantine
PPRA	Plant Pest Risk Analysis
PPRO	Program in Perinatal Research and Obstetrics (unable to verify 3/18)
PPRT	Personal Property Reporting Tool
PPRTV	Provisional Peer-Reviewed Toxicity Value
PPS	Planetary Protection Subcommittee (unable to verify 10/23) \| Precipitation Processing System \| Procurement & Property Services
PPSS	Park Planning and Special Studies Division
PP-Suite	Purchase to Plate Suite
PPT	Personal Protective Technology Program
PPTE	Public-Private Talent Exchange
PPW	Purchase Power and Wheeling Program
PQC	Post-Quantum Cryptography Initiative
PQMP	Pediatric Quality Measures Program
PQRS	Physician Quality Reporting System (discontinued 2016; transitioned to MIPS)
PR4	Project Responder 4 (unable to verify 8/24)
PR5	Project Responder 5 (archived)
PR6	Project Responder 6
PR100	Puerto Rico Grid Resilience and Transitions to 100% Renewable Energy Study
PRA	Presidential Records Act
PRAC	Pandemic Response Accountability Committee
PRADO	Policy Research, Analysis, and Development Office (unable to verify 9/24)
PRAE	Program in Reproductive and Adult Endocrinology (unable to verify 11/16)
PRAMS	Pregnancy Risk Assessment Monitoring System
PRAMS ARF	PRAMS Automated Research File
PRAMStat	PRAMS online data platform (discontinued)
PRAO	Professional Responsibility Advisory Office
PRB	Prevention Research Branch \| Program Review Branch \| Provider Relief Bureau \| Publications Review Board (changed to PCRB)
PRC	Postal Regulatory Commission \| Prevention Research Centers
PRCC	Prevention Research Coordinating Committee
PRCS	Puerto Rico Community Survey
PRC VCN	Prevention Research Centers Vaccine Confidence Network (unable to verify 10/24)
PRD	Pilot Records Database \| Presidential Review Directives \| Program Review Division
PR-DRIFT	Puerto Rico Demand Response Impact and Forecast Tool

PREA	National Prison Rape Elimination Commission (unable to verify 2/18)
PRECISE-AI	Performance and Reliability Evaluation for Continuous Modifications and Useability of Artificial Intelligence
PREESAT	Puerto Rico Energy Efficiency Scenario Analysis Tool
PREFIRE	Polar Radiant Energy in the Far-InfraRed Experiment
PREIS	Personal Responsibility Education Innovative Strategies Program
PREMIS	Preservation Metadata: Implementation Strategies
PREP	National Preparedness for Response Exercise Program \| Partnership for Resilience and Preparedness \| Personal Responsibility Education Program \| Portal for Readiness Exercises and Planning
PREPARE	President’s Emergency Plan for Adaptation and Resilience (unable to verify 2/25)
PREPARED	Promoting Readiness and Enhancing Proficiency to Advance Reporting and Data (unable to verify 2/25)
PREP PYP	Personal Responsibility Education Program: Promising Youth Programs
PReSET	Prioritizing Restoration of Sagebrush Ecosystems Tool
PRF	Plasma Research Facility \| Prevention Resource Finder \| Provider Relief Fund
PRHP	Puerto Rico Highway Program
PRICE	Preservation and Reinvestment Initiative for Community Enhancement
PRIDE	Port-Radiation Inspection, Detection, & Evaluation System
PRIME	Program for Investors in Microentrepreneurs
PRINT	Personalized Regenerative Immunocompetent Nanotechnology Tissue
PRISM	Performance and Registration Information Systems Management \| Primary Response Incident Scene Management \| Procurement Request Information System Management
PRISM-ID	Protective Research Information System Management System replaced by PTMS)
PRIV	Privacy Office, DHS
PRM	Bureau of Population, Refugees, and Migration \| Presidential Review Memorandums
PRMP	Public Risk Management Program
PRMS	Precipitation-Runoff Modeling System
PRNI	Pre-Ransomware Notification Initiative
PRO Housing	Pathways to Removing Obstacles to Housing
Project AWARE	Project Advancing Wellness and Resiliency in Education
Project I-LAUNCH	Indigenous Project Linking Actions for Unmet Needs in Children’s Health (unable to verify 10/23)
Project LAUNCH	Project Linking Actions Unmet Needs in Children Health
Project REACH	Project Roundtable for Economic Access and Change
Project SERV	School Emergency Response to Violence
PROSPERum	Probability of Streamflow Permanence in the Upper Missouri River Basin
PROSPR	PROactive Solutions for Prolonging Resilience
PROTECT	Promoting Resilient Operations for Transformative, Efficient, and Cost-Saving Transportation Formula Program
PROWAG	Public Right-of-Way Accessibility Guidelines
PRS	HIV Prevention Research Synthesis Project (unable to verify 1/25) \| Pandemic Response and Safety Grant Program \| Peer Review System \| Protocol Registration and Results System
PRSU	Programs Research and Standards Unit
PSA	Pretrial Services Agency \| Project Shield America \| Protective Security Advisor
PSAC	Public Safety Advisory Committee
PSAF	Pandemic Severity Assessment Framework

PSAP	Participant Statistical Areas Program \| public safety answering points
PSAT	Pumping System Assessment Tool
PSB	Payroll Services Branch
PSC	Partnership for Sustainable Communities (unable to verify 8/18) \| Post Summary Correction \| Product Service Code \| Program Support Center \| Project Safe Childhood
PSCR	Public Safety Communications Research
PSD	Packers and Stockyard Division \| Physical Sciences Division (changed to PSL) \| Policy and Standards Division \| Presidential Study Directives \| Production, Supply and Distribution \| Public Services Division (site archived 4/24)
PSDB	Pyramid Servings Database
PSDP	Precursor Safety Data Program
PSEL	Photovoltaic Systems Evaluation Laboratory
PSEO	Post-Secondary Employment Outcomes
PSEP	Pharmacy Student Experiential Program
PSGP	Port Security Grant Program
PSHSB	Public Safety & Homeland Security Bureau
PSI	Physical Science Informatics \| Precision Surgical Interventions \| Proliferation Security Initiative
PSL	Physical Sciences Laboratory \| Primary Standards Laboratory
PSLF	Public Service Loan Forgiveness Program
PSN	Project Safe Neighborhoods
PSNET	Patient Safety Network
PSO	Patient Safety Organization \| Princeton Site Office
PSOB	Public Safety Officers’ Benefits Program
PS-ON	Physical Sciences–Oncology Network
PSOTP	Protective Service Operations Training Program
PSP	Parker Solar Probe
PSRs	Prevention Status Reports (page archived 1/24)
PSS	Preferred Sustainability Status \| Private School Universe Survey
PSTG	Power Sources Technology Group
PSTP	Physical Security Training Program
PSVP	Public Safety and Violence Prevention
PSW	Pacific Southwest Research Station

PTAB	Patent Trial and Appeal Board
PTAC	Physician-Focused Payment Model Technical Advisory Committee \| Privacy Technical Assistance Center (unable to verify 2/25)
PTAI	Periodic Table of Acquisition Innovations
PTASP	Public Transportation Agency Safety Plan
PTB	Predictive Toxicology Branch
PTCIB	Pediatric Trauma and Critical Illness Branch
PTD	Prevention through Design
PTEN	Performance Test and Evaluation at NUSTL
PTFP	Public Telecommunications Facilities Program
PTMS	Protective Threat Management System
PTO	Patent and Trademark Office
PTRB	Pediatric Translational Research Branch
PTRC	Patent and Trademark Resource Center
PTSAR	Periodic Timber Sale Accomplishment Reports
PTSD	National Center for PTSD (Post Traumatic Stress Disorder)
PTSDpubs	Post Traumatic Stress Disorder publications database
PTWC	Pacific Tsunami Warning Center (website terminated 3/20)
PUDB	Public Use Database
PUMS	Public Use Microdata Sample
PUNCH	Polarimeter to Unify the Corona and Heliosphere
PuRe Data	Public Reusable Research Data
[PV]2	Present Value of PhotoVoltaics
PVAG	Passenger Vessels Accessibility Guidelines
PV CAMPER	Photovoltaic Collaborative to Advance Multi-climate Performance and Energy Research
PVSA	President’s Volunteer Service Award
PWBA	Pension and Welfare Benefits Administration (changed to EBSA)
PWID	Persons Who Inject Drugs
PWRC	Patuxent Wildlife Research Center (merged into EESC)
PWSD	Public Workforce System Dataset
PWSS	Public Water System Supervision
PYD	Positive Youth Development
PZ	Promise Zone