| AAP | Advanced Acquisition Plan |
| AC | Actual Cost (AC = ACWP) |
| ACNET | Accelerator Controls NETwork |
| ACWP | Actual Cost of Work Performed |
| AD | Accelerator Division |
| ADC | Analog to Digital Converter |
| A/E | Architectural/Engineering |
| AHU | Air Handling Unit |
| AIP | Accelerator Improvement Project |
| ALARA | As Low As Reasonably Achievable |
| ALD | Atomic Layer Deposition |
| AMB | Analog Mother Board |
| ANSI | American National Standards Institute |
| AOC | Acquisition Oversight Committee (Mu2e Solenoids) |
| AOC | Accelerator Oversight Committee |
| APD | Avalanch PhotoDiode |
| APM | [DOE Office of] Acquisition and Project Management (formerly OECM) |
| AQD | Analog Quench Detection |
| ARR | Accelerator Readiness Review |
| ASAP | As Soon As Possible |
| ASIC | Application Specific Integrated Circuit |
| ASME | American Association of Mechanical Engineers |
| AY $k | Actual Year $k (kilo-dollars) |
| Acronym | Meaning |
| CA | Control Account |
| CA | Compressed Air |
| CAD | Computer Aided Design |
| CAM | Control Account Manager |
| CAP | Control Account Plan |
| CAR | Corrective Action Request |
| CB | Current Budget |
| CC | Charged Current |
| CC | Construction Coordinator |
| CCB | Change Control Board |
| CD | Computing Division (Fermilab) |
| CD | Critical Decision |
| CDC | Critical Device Controller |
| CDR | Conceptual Design Report |
| CE | Conversion Electron |
| CFD | Computational Fluid Dynamics |
| CFO | Clock Fan-Out |
| CFO | Control (or Command) Fan-Out |
| CFR | Code of Federal Regulations |
| CHW | CHilled Water |
| CJP | Complete Joint Penetration (weld) |
| CL | Confidence Level |
| CLFV | Charged Lepton Flavor Violation |
| CMB | Counter Mother Board |
| CML | Current Mode Logic |
| CM | Construction Manager |
| CMM | Coordinate Measuring Machine |
| CMPS | Cold Mass Position Sensor |
| COB | Close Of Business |
| COC | Certificate of Conformance |
| COTS | Commercial Off The Shelf |
| CP | Compressed Air |
| CPI | Cost Performance Index (CPI = BCWP/ACWP) |
| CPU | Central Processing Unit |
| CR | Change Request |
| CRAD | Criteria Review and Approach Document |
| CPR | Contract Performance Reports |
| CRR | Construction Readiness Review |
| CRV | Cosmic Ray Veto |
| CSS | Common Site Support |
| C&SWG | Computing & Software Working Group |
| CTC | Chargeable Task Code |
| CTD | Cost To Date |
| CTD | Cumulative To Date |
| CTR | Certified Test Report |
| CUB | Central Utility Building |
| CV | Cost Variance (CV = BCWP - ACWP) |
| CV% | Cost Variance (CV% = CV/BCWP *100%) |
| CVD | Chemical Vapor Deposition |
| CX | Categorical eXclusion |
| CY | Calendar Year |
| Acronym | Meaning |
| DA | Diagnostic Absorber |
| DAQ | Data AcQuisition (system) |
| DCCT | DC Current Transformer |
| DCS | Detector Control System |
| D&D | Decontamination & Decommissioning |
| 3D BBQ | Direct Diode Detection Base-Band Q (accelerator tune measurement instrumentation) |
| DDS | Direct Digital Synthesizer |
| DHP | Distribution High Power |
| DIF | Decay In Flight |
| DIO | Decay In Orbit |
| DIO | Digital Input/Output |
| DiRAC | Digital Readout Assembler Controler |
| DMA | Direct Memory Access |
| DMB | Digital Mother Board |
| DOE | [US] Department Of Energy |
| DPA | Displacements Per Atom |
| DQD | Digital Quench Detection |
| DQM | Data Quality Monitoring |
| DR | Delivery Ring |
| DS | Detector Solenoid |
| DSB | [Mu2e] Detector Service Building |
| D/S/C | [Fermilab] Division / Section / Center |
| DSE | Detector Solenoid Enclosure |
| DSO | Division Safety Officer |
| DTC | Data Transfer Controller |
| DVM | Digital Volt Meter |
| Acronym | Meaning |
| EA | Eviromental Assessment |
| EAC | Estimate At Completion (ACWP + ETC) |
| EB | Executive Board |
| EBD | External Beams Delivery [AD Department] |
| ECMAG | Extraction C-MAGnet |
| EDIA | Engineering, Design, Inspection, Administration |
| EDM | Electro-Discharge Machining |
| EIS | Environmental Impact Statement |
| ELAM | Extraction LAMbertson (magnet) |
| ELSA | Emergency Life Support Apparatus |
| EMG | Experiment Management Group |
| ENE | Engaging Non-Experts |
| EOAT | End of Arm Tooling (target handling) |
| EOB | End Of Beam |
| ERA | Engineering Risk Analysis |
| ESAAB | Energy Systems Acquisition Advisory Board (DOE) |
| ESEP | Extraction Septum |
| ES&H | Environment, Safety & Health |
| ESS | Electrical Safety System |
| ESS | Electro-Static Septum |
| ETC | Estimate to Completion |
| EU | Estimate Uncertainty |
| EUF | Estimate Uncertainty Factor |
| EV | Earned Value (EV = BCWP) |
| EVMS | Earned Value Management System |
| Acronym | Meaning |
| FCC | Fermi Construction Coordinator |
| FCC | Feynman Computing Center |
| FEA | Finite Element Analysis |
| FEB | Front End Board |
| FEE | Front End Electronics |
| FEM | Fermilab Engineering Manual |
| FESHM | Fermilab ES&H Manual |
| FESS | Facilities Engineering Services Section (Fermilab) |
| FF | Final Focus |
| FHiCL | Fermilab Hierarchical Configuration Language |
| FMC | FPGA Mezzanine Card |
| FMEA | Failure Mode and Effects Analysis |
| FMS | Field Mapping System |
| FOA | Funding Opportunity Announcement |
| FONSI | Finding Of No Significant Impact |
| FoV | Field of View |
| FPD | Federal Project Director |
| FPGA | Field-Programmable Gate Array |
| FPT | Functinal Performance Test |
| FRA | Fermi Research Alliance |
| FRCM | Fermilab Radiological Controls Manual |
| FRS | Functional Requirements Specification |
| FSCS | Fermilab Site Coordinate System |
| FSO | Fermilab Site Office |
| FSP | Full Scale Prototype |
| FTBF | Fermilab Test Beam Facility |
| FTE | Full Time Equivalent (1 FTE = 1768 hours/year) |
| FWHM | Full Width at Half Maximum |
| FWP | Field Work Proposal |
| FY | Fiscal Year |
| Acronym | Meaning |
| HA | Hazard Analysis |
| HAB | Heavy Assembly Building |
| HAR | Hazard Analysis Report |
| HAZ | Heat Affected Zone (of a weld) |
| HAZCOM | HAZard COMmunication |
| HDPE | High Density PolyEthylene |
| HEPA | High Efficiency Particulate Air [Filter] |
| HEPAP | High Energy Physics Advisory Panel |
| HMI | Human Machine Interface |
| HPC | High Performance Computing |
| HPGe | High Purity Germanium |
| HPI | Human Performance Improvement |
| HPS | Hard Processor System |
| HRM | Hot-link Rack Monitor |
| HRS | Heat and Radiation Shield |
| HTS | High Temperature Superconducting |
| HV | High Vacuum (10-3 - 10-7 torr) |
| HV | High Voltage |
| HVAC | Heating, Ventilation, Air Conditioning |
| HVFT | High Voltage Feed-Through |
| HVSO | High Voltage Stand-Off |
| Acronym | Meaning |
| IARC | Illinois Accelerator Research Center |
| IB | Institutional Board |
| IBC | International Building Code |
| ICB | Industrial Center Building |
| ICD | Interface Control Document |
| ICE | Independent Cost Estimate |
| ICR | Independent Cost Review |
| ICW | Industrial Cooling Water |
| ID | Inside Diameter |
| IDR | Independent Design Review |
| IEAC | Independent Estimate At Completion |
| IFB | Instrumentation Feed-through Bulkhead |
| I&M | Inspection & Maintenance |
| INA | Internal Neutron Absorber |
| INFN | Instituto Nazionale di Fisica Nucleare |
| IPA | Inner Proton Absorber |
| IPM | Ion Profile Monitor |
| IPR | Independent Project Review |
| IPT | Integrated Project Team |
| IR | InfraRed |
| ISM | Integrated Safety Management |
| ISMS | Integrated Safety Management System |
| ITD | Inception To Date |
| ITNA | Individual Training Needs Assessment |
| Acronym | Meaning |
| M4DA | M4 Diagnostic Absorber |
| MAD | Mu2e Acronym Dictionary |
| MAD | Methodical Accelerator Design |
| MAWP | Maximum Allowable Working Pressure |
| MB | Muon Beamline |
| MBL | Muon Beam Line |
| MBS | Muon Beam Stop |
| MC | Muon Campus |
| MCR | Main Control Room |
| M&D | Mainenance & Development |
| MDAT | Machine DATa |
| MDC | Mock Data Challenge |
| MECO | Muon to Electron COnversion |
| MERL | Mobile Environmental Radiation Laboratory (Fermilab) |
| MHNOD | Meeting Happened - No One Died |
| MI | Main Injector |
| MIBS | Main Injector Beam Sync |
| MIE | Major Item of Equipment (Project) |
| MIL-STD | Military Standard |
| MLI | Multi-Layer Installation |
| M&O | Management & Operations |
| MOA | Memorandum Of Agreement |
| MOU | Memorandum Of Understanding |
| MR | Management Reserve |
| M&S | Materials & Services |
| MSA | Materials & Services Acquisition |
| MSDS | Material Safety Data Sheet |
| MSS | Master Sub-Station |
| MTBF | Mean Time Between Failures |
| MTE | Measuring and Test Equipment |
| MTF | Magnet Test Facility |
| MTM | Major Tool & Machine |
| MTTF | Mean Time To Failure |
| MVA | Multi Variate Analysis |
| MW | Multi-Wire [chamber] |
| Acronym | Meaning |
| OAPM | Office of Acquisition and Project Management (DOE - formerly OECM) |
| OBS | Organizational Breakdown Structure |
| OCR | Operational Readiness Clearance |
| ODC | Other Direct Cost |
| OD | Outside Diameter |
| ODH | Oxygen Deficiency Hazard |
| OECM | Office of Engineering & Construction Management (DOE - changed name to OAPM) |
| OEM | Original Equipment Manufacturer |
| OFI | Opportunity For Improvement |
| OGC | Office of General Counsel |
| OH | OverHead |
| OHAP | Organization and Human Asset Plan |
| OHEP | Office of High Energy Physics (DOE) |
| OJT | On the Job Training |
| OOT | Out Of Time |
| OOT | Out Of Target |
| OPA | Office of Project Assessment (DOE) |
| OPA | Outer Proton Absorber |
| OPC | Other Project Costs |
| OPC | Open Platform Communications |
| OPTO | Other Paid Time Off |
| OR | Occurance Report |
| ORC | Operational Readiness Clearance |
| ORR | Operational Readiness Review |
| OSHA | Occupational Safety and Health Administration |
| OSTI | Office of Science and Technical Information (DOE) |
| OTS | Off The Shelf |
| Acronym | Meaning |
| P5 | Particle Physics Project Prioritization Panel |
| PA | Preliminary Assessment |
| PA | Proton Absorber |
| PAAS | Panel Assembly and Alignment System |
| PARS | Project Assessment and Reporting System |
| PC | Protection Collimator |
| PCB | Printed Circuit Board |
| PCS | Project Controls Specialist |
| PDF | Probability Density Function |
| PDI | Precision Digital Integrator |
| PDU | Power Distribution Unit |
| PE | Photo Electron(s) |
| PED | Project Engineering and Design |
| PEMP | Performance Evaluation and Measurement Plan |
| PEP | Project Execution Plan |
| PHAR | Preliminary Hazard Analysis Report |
| PHP | Panel High Power |
| PID | Particle IDentification |
| PID | Proportional-Integral-Derivative |
| P&ID | Piping & Instrumentation Diagram |
| PII | Personally Identifiable Information |
| PIP | Proton [Source] Improvement Project |
| PLC | Phase Locked Clock |
| PLC | Programable Logic Circuit (Controler) |
| PLL | Phase Locked Loop |
| PMB | Performance Measurement Baseline |
| PMG | Project Management Group |
| PM | Project Manager |
| PMP | Project Management Plan |
| PMT | Performance Measurement Type |
| PMT | Photo Multiplier Tube |
| PO | Purchace Order |
| POC | Point of Contact |
| POG | Performance Oversight Group |
| POT | Proton(s) On Target |
| PP | Planning Package |
| PPD | Particle Physics Division |
| PPE | Personal Protective Equipment |
| PRA | Primavera Risk Analysis |
| PREP | Physics Research Equipment Pool |
| PRR | Production Readiness Review |
| PS | Production Solenoid |
| PS | Program Support |
| PSA | Preliminary Shielding Assessment |
| PSE | Power Source Equipment |
| PSE | Production Solenoid Endcap |
| PSS | Project Support Services (FNAL - formerly OPMO) |
| P&T | Packaging & Transportation |
| PTPM | Precision Time Profile Monitor |
| PV | Price Variance |
| PV | Principle Value (Integration) |
| RAL | Rutherford Appleton Laboratory |
| RAM | Responsibility Assignment Matrix |
| RAM | Random Access Memory |
| RAW | RadioActive Water (system) |
| RCM | Regulation and Controls Modules (for beamline magnet power supplies) |
| RF | Radio Frequency |
| RFC | RF Cycles |
| RFKO | RF KnockOut |
| RFI | Request For Information |
| RFP | Request For Proposal |
| RFQ | Request For Quote |
| RGA | Residual Gas Analyzer |
| RH | [Target] Remote Handling |
| RHR | Remote Handling Room |
| RIP | Requisition In Process |
| RLS | Resource Loaded Schedule |
| RMC | Radiative Muon Capture |
| RMD | Radiation Monitoring Devices (Inc.) |
| ROC | Read-Out Controller |
| ROC | Remote Operating Center (in Wilson Hall) |
| RPC | Radiative Pion Capture |
| RPOS | Radial POSition (of the beam) |
| RR | Recycler Ring |
| RRA | Roles, Responsibilities, and Authorities |
| RRBS | Recycler Ring Beam Sync |
| RRR | Residual Resistivity Ratio -- "Triple R" |
| RSO | Radiation Safety Officer |
| RSS | Radiation Safety System |
| RTD | Resistance Temperature Detector |
| Acronym | Meaning |
| SA | Self Assessment |
| SA | Shielding Assessment |
| SAMs | Safety Alert Monitors |
| SBIR | Small Business Innovation Research |
| SBC | Single Board Computer |
| SAD | Safety Assessment Document |
| SC | (DOE Office of) SCience |
| SDF | Spill Duty Factor |
| SEE | Single Event Effect |
| SEM | Secondary Emission Monitor |
| SERDES | SERializer/DESerializer |
| SEU | Single Event Upset |
| SEWS | Site Emergency Warning System |
| SI | Systéme International (Units) |
| SiC | Silicon Carbide |
| SiPM | Silicon PhotoMultiplier |
| SL-APD | Super Lattice APD |
| SLR | Short Lived Radionuclide |
| SLR | Standard Labor Rate |
| SME | Subject Matter Expert |
| SMR | Spherically Mounted Retroreflector |
| SOC | System On a Chip |
| SOM | System On a Module |
| SOW | Statement Of Work |
| SP&A | Schedule, Performance & Actuals |
| SPI | Schedule Performance Index (SPI = BCWP/BCWS) |
| SPIRES | Standford Public Information REtrieval System |
| SPS | Special Process Spares |
| SRS | SSpill Regulation System |
| SRSO | Senior Radiation Safety Officer |
| SS | Simply Supported |
| SSO | Senior Safety Officer |
| STEL | Short-Term Exposure Limit |
| STFC | Science & Technology Facilities Council (UK) |
| STM | Stopping Target Monitor |
| SV | Schedule Variance (SV = BCWP - BCWS) |
| SV% | Schedule Variance (SV% = SV/BCWS *100%) |
| SVT | Schedule Visibility Task |
| SVAR | Security Vulnerability Assessment Report |
| SWF | Salary, Wages & Fringe (or, Salary With Fringe) |
| SWAG | Scientific Wild Ass Guess |
| SWIC | Segmented Wire Ion Chamber |
| SWPPP | Storm Water Pollution Protection Plan |
| SX | Slow eXtraction |
| Acronym | Meaning |
| TARs | Tone Alert Receivers |
| TB | Tech Board |
| TCLK | Tevatron CLocK |
| TCMI | Transverse Mode Coupling Instability |
| TCP/IP | Transmission Control Protocol/Internet Protocol |
| TD | [Fermilab] Technical Division |
| TDAQ | Trigger & Data AcQuisition |
| TDR | Technical Design Report |
| TEC | Total Estimated Cost |
| TGA | ThermoGravimetric-Analysis |
| TID | Total Integrated Dose |
| TLA | Three Letter Acronym |
| TLD | ThermoLuminescent Dosimeter |
| TLDR | Too Long - Didn't Read |
| TLG | Time Line Generator |
| TLM | Total Loss Monitor |
| T&M | Time and Material |
| TOF | Time Of Flight |
| ToT | Time over Threshold |
| TOT | Transition to Operations Team |
| TPC | Total Project Cost |
| TPG | Thermal Pyrolytic Graphite |
| TPM | Transverse Profile Monitor |
| TS | Transport Solenoid |
| TSD | Target Systems Department (in AD) |
| TSW | Technical Scope of Work |
| TTD | Task Transition Detail |
| TTO | Transition To Operations |
| TV | Total Value (TV = BAC) |
| TWA | Time Weighted Average |
Corrections and/or suggested additions are very much appreciated. Please send either of these to Steve Werkema (werkema@fnal.gov).
Acronym Finder 
