A Ac cr ro on ny ym ms s o of f T Te er rm ms s C Co om mm mo on n t to o I In ns st tr ru um me en nt ta at ti io on n AAnion A/DAnalog-to-Digital A&EArchitects & Engineers AAAtomic Absorption AASAtomic Absorption Spectroscopy ABMAsynchronous Balanced Mode ABSAcrylonitrile Butadiene Styrene, ABSolute ACAlternating Current ACDS Analyzer Control and Data System ACIDAtomicity, Consistency, Isolation, and Durability ACPM Association Control Protocol Machine ACRAttenuation to Crosstalk Ratio ACTAlternative Control Technique ADCAnalog-to-Digital Converter, Automatic Data Collection ADOAverage Dipole Orientation ADPCMAdaptive Differential Pulse-Code Modulation AEAppearance Energy AEDAtomic Emission Detector AEPA Alberta Environmental Protection and Enhancement Act (Canada) AESAtomic Emission Spectroscopy, Auger Electron Spectroscopy AETAcoustic Emission Technology AFAudio Frequency AFCAir Fail Closed, Automatic Frequency Control AFDAdjustable Frequency Drive AFEAuthority For Expenditure AFMAtomic Force Microscope AFOAir Fail Open AFSAtomic Fluorescence Spectrometry AFVAlternative Fuel Vehicle AGCAutomatic Gain Control AGHISAll Glass Heated Inlet System AHAnalyzer House AHDL Analog Hardware Descriptive Language AHJ Authority Having J urisdiction AIAnalog Input AIMAutomated Instrument Manager AIRSAerometric Information Retrieval System AITAutogenous Ignition Temperature, AutoIgnition Temperature ALAllowable Level ALCAutomatic Level Control ALDAnoxic Limestone Drains ALISAnalytical Laboratory Integrated System AMAnte Meridiem, Amplitude Modulation AM/FMAutomated Mapping/Facilities Maintenance AMDAutomated Multiple Development, Acid Mine Drainage AMLCDActive-Matrix Liquid Crystal Display AMPAMPere, AMPlifier AMSAccelerator Mass Spectrometry, Adolescent Mass Spectrometrists AMUAtomic Mass Unit ANAuger Neutralization, Application Note AOAnalog Output AOIAutomated Optical Inspection AOPAdvanced Oxidation Processes AOTF Acousto-Optic Tunable Filter AOVAir Operated Valve APApplication Process, Appearance Potential, Atmospheric Pressure APAAdministrative Procedure Act APCAdvanced Process Control APCIAtmospheric Pressure Chemical Ionization APCSAir Pollution Control System APDAvalanche Photodiode APIAtmospheric Pressure Ionization, Application Programming Interface, ActivePharmaceutical Ingredient APPIAtmospheric Pressure Photoionization AQLAcceptable Quality Level ARACTAlternate Reasonably Available Control Technology ARMAsynchronous Response Mode ARMS Angle Resolved Mass Spectrometry AROAfter Receipt of Order ARPDBAcid Rain Program Data Base ARTICA Real-Time Interface Coprocessor ASAPAs Soon As Possible ASCArea Source Categories ASCII American Standard Code for Information Interchange ASGDIMSAtmospheric Sampling Glow Discharge Ionization Mass Spectrometry ASIActuator Sensor Interface ASICApplication Specific Integrated Circuit ASKAmplitude Shift Keying (modulation) ASMAcceleration Simulation Mode ASMA Abnormal Situation Management ASNAmmonium Sulfate Nitrate ASTAlternate-site Testing, Aboveground Storage Tank ATCAir To Close, Air Traffic Control ATEAutomated Test Equipment ATEC Authorized Technical Education Center (Microsoft) ATERISAir Toxics Exposure & Risk Information System ATEX Atmosphere Explosible (France i.e., Potentially Explosive Atmosphere) ATGAutomatic Test Generation ATMATMosphere, Asynchronous Transfer Mode, Automated Teller Machine ATOAir To Open ATPAdvanced Technology Program ATRAttenuated Total Reflection ATTICAlternative Treatment Technology Information Center AVPAnalyzer Validation Program AVSAccelerating Voltage Scan AWGAmerican Wire Gauge, Arbitrary Waveform Generator AXIAutomated X-ray Inspection BMagnetic Sector Mass Analyzer, Magnetic Sector Field Strength or Flux Density B2MMLBusiness-to-Manufacturing Markup Language BACnetBuilding Automation Control network BACMBest Available Control Measure BACT Best Available Control Technology BCCBlock Check Characters BCDBinary-Coded Decimal (Numbers) BDAT Best Demonstrated Available Technology BEISBiogenic Emissions Inventory System BEIS-2Biogenic Emissions Inventory System, version 2 BELD Biogenic Emissions Land Cover Database BERBit Error Rate, Basic Encoding Rules BERTBit Error Rate Test[er] BeVBillion Electron Volts (eV) BFMBalanced Flow Meter BIBusiness Intelligence BIABioluminescence Immunoassay BIFBoilers and Industrial Furnaces BIOMEBiogenic Model for Emissions BIOSBasic Input Output System BITBinary digit, Built In Test BMPBitmap, Best Management Practices BNCBayonet Neill-Concelman, Bayonet/Baby/British Naval Connector BOGSATBunch Of Guys Sitting Around Talking BOBBeginning Of Business (day) BODBiological Oxygen Demand BOMBeginning Of Message, Bill of Materials BPBoiling Point BPABeaumont/Port Arthur BPCSBasic Process Control System BPDBarrels Per Day BPMBusiness Process Management BPSBits Per Second BSOD Blue Screen of Death (Computer term related to Windows NT lockup) BTEX Benzene, Toluene, Ethylbenzene, & Xylene BTUBritish Thermal Unit BTWBy The Way BTXBenzene Toluene Xylene BWBandwidth BWCBiological Weapons Convention CAAClean Air Act CAAA Clean Air Act Amendments (1990) CADComputer Assisted Design, Computer Aided Design CAEComputer Assisted Engineering, Computer Aided Engineering CAGR Compound Annual Growth Rate, Capital Asset Growth Rate CALCalorie Cal LEVCalifornia Low Emission Vehicle CALM Collaborative Asset Lifecycle Management CAMComputer Assisted Manufacturing, Computer Aided Manufacturing, ComplianceAssurance Monitoring CAMACComputer-Automated Measurement And Control CAMS Continuous Air Monitoring Station CAMUCorrective Action Management Unit CAMx Comprehensive Air Model with Extensions CANController Area Network CAPCertified Automation Professional (ISA) CARE Clean Air Responsibility Enterprise CASEComputer Aided Software Engineering CATComputer Aided Test CATV Community Antenna TeleVision CBCircuit Breaker CB-IV HCCarbon Bond IV Hydrocarbon CBMCondition Based Maintenance CBTComputer Based Training CCCCoastal Coo CCDCharge Coupled Device CCPCritical Control Point CCSTCertified Control System Technician (ISA) CCTClean Coal Technologies CDCompact Disc, Configurable Diagnostic CD-RWCompact Disc Rewriteable CDPD Cellular Digital Packet Data CDSConceptual Data Store, Chromatography Data System CECommunate Europeene European Community (French) CECCanadian Electrical Code CEM(S)Continuous Emission Monitor(ing) (System) CEOChief Executive Officer CEPACanadian Environmental Protection Act (Canada) CERCLAComprehensive Environmental Response, Compensation, and Liability Act CExCapillary Extraction CFCChloroFluoroCarbon, Current to Frequency Converter CFDComputational Fluid Dynamics CFRCode of Federal Regulations (USA) CGACylinder Gas Audit, Combustible Gas Analyzer CGICommon Gateway Interface, Computer Generated Imagery CGMComputer Graphics Metafile CHSChlorinated Hydrocarbon Solvents CIChemical Ionization, Central Impression CICCombustion Ion Chromatography CIDCharge Injection Device, Charge Injection Detector CIDXChemical Industry Data eXchange (USA) CIHCertified Industrial Hygienist CIMComputer Integrated Manufacturing CIOChief Information Officer CIPClean In Place, Common Industrial Protocol CISCComplex Instruction Set Computer CLCenter Line CLCConvective Liquid Chromatography CLDChemiLuminescence Detector CLMComputer Link Module CLPContract Laboratory Program CLSM Confocal Laser Scan Microscope CMCentimeter CMAQCongestion Mitigation and Air Quality CMMSComputerized Maintenance Management Systems CMOS Complementary Metal Oxide Semiconductor CMPCode Making Panel (NEC) CMRCommon Mode Rejection CMRR Common Mode Rejection Ratio CMSContinuous Monitoring System CMSA Consolidated Metropolitan Statistical Area CMVCommon Mode Voltage CMVRCommon Mode Voltage Ratio CNCComputer Numerical Control CNGCompressed Natural Gas COCarbon Monoxide COBRACommon Object Request Broker Architecture CODChemical Oxygen Demand CODECCoder-Decoder COGS Cost Of Goods Sold COMCOMputer, Common Object Model, Component Object Model, Communication COMS Continuous Opacity Monitoring System CONConnector COOChief Operating Officer COSChange Of State (I/O) COTSCommercial Off-The-Shelf CoURCost of Unreliability COVCoefficient of Variation CPCentipoise, Cathodic Protection CPDSCertified Product Data Sheets CPMS Continuous Parametric Monitoring System CPPCritical Process Parameter CPQRAChemical Process Quantitative Risk Analysis CPSCycles Per Second, Characters Per Second CPUCentral Processing Unit CQACritical Quality Attributes CRControl Relay, Chloroprene Rubber, Carriage Return CRADACooperative Research and Development Activity CRCCyclic Redundancy Check CRDS Cavity Ring-Down Spectroscopy CRMCustomer Relationship Management CRTCathode Ray Tube CSCarbon Steel CSATCertified Specialist in Analytical Technology CSEControl System Engineer CSHM Certified Safety and Health Manager CSIControl System Integrator, Common Sense Initiative CSMChlorosulfonated Polyethylene CSMA/CDCarrier Sense Multiple Access/Collision Detection CSOChief Security Officer CSPCertified Safety Professional CSVComma Separated Variable CTCurrent Transformer CTGControl Technique Guideline CTSClear To Send CVControl Valve, control valve sizing factor CWContinuous Wave CWAClean Water Act CWCChemical Weapons Convention CWDMCoarse Wavelength Division Multiplexing CYACover Your Ass CZECapillary Zone Electrophoresis CZMP Coastal Zone Management Plan (Texas, US) D/ADigital-to-Analog D/DBPDisinfectant and Disinfection By-Products rule DACDigital-to-Analog Converter DAPDirectory Access Protocol DAQData AcQuisition DASData Acquisition System DAUData Acquisition Unit dBDecibel DBCP 1, 2-Dibromo-3-Chloropropane DBFData Base Format, Data Base File dBvDecibel Voltage DCDirect Current DCEData Communication Equipment, Distributed Computing Environment DCLDEC Command Language DCOMDistributed Common Object Model DCSDistributed Control System, Digital Control System, Defined Context Set DDCDirect Digital Control DDDDirect Distance Dialing DDEDynamic Data Exchange DDLDevice Definition Language, Device Description Language DERC Discrete Emission Reduction Credit DFMDesign for Manufacturability DESPDry Electrostatic Precipitation DFWDallas/Fort Worth DFWNDallas / Fort Worth North DFWRTMDallas/Fort Worth Regional Travel Model DGDistribution Grid DH+ Data Highway Plus DIDigital Input DIALDifferential Absorption Laser DICDifferential Interference Contrast DIDDischarge Ionization Detector DIOSDataradio InterOperability Standard DIPDual In-line Package DIRTFTDo It Right The First Time DISDraft International Standard DLDetection Limit DLLDynamic Link Library, Data Link Layer DLPDigital Light Processing DLSDynamic Light Scattering DMADirect Memory Access DMCDynamic Matrix Control DMMDigital Multimeter DMSDocument Management System DNAC Dynamic Network Access Control DNAPLDense Non-Aqueous Phase Liquid DNIDevicenet Network Interface, Desktop Network Interface DODissolved Oxygen, Digital Output DOAS Differential Optical Absorption Spectroscopy DOCDissolved Organic Carbon DODDepth Of Discharge DOEDesign of Experiments DOFDegrees of Freedom DoSDenial of Service DOSDisk Operating System DOWDay Of Week DPDifferential Pressure DPDT Double Pole Double ThrowDPIDots Per Inch DPMDigital Panel Meter DRAMDynamic Random Access Memory DREDestruction and Removal Efficiency DRIFT Diffuse Reflectance Infrared Fourier Transform Spectroscopy DRMDigital Rights Management DSPDigital Signal Processing, Digital Signal Processor DSRData Set Ready DSSSDirect Sequence Spread Spectrum DTDDirect Thermal Desorption DTEData Terminal Equipment, Data Terminating Equipment DTLDiode-Transistor Logic DTMDifficult to Measure, Device Type Manager DTRData Terminal Ready DTTDe-energize To Trip DUData Unit DVDesign Value DVCDigital Valve Control DVDDigital Video Disk DVMDigital VoltMeter E&CEngineering & Construction E&PExploration & Production EAMEnterprise Asset Management EANEuropean Article Number EBCDICExtended Binary-Coded Decimal Interchange Code ECDElectron Capture Detector ECNICIElectron Capture Negative Ion Chemical Ionization ECOEpiChlorohydron Elastomer, Electro-Catalytic Oxidation ECPEnhanced Capabilities Port (parallel port) EDB1, 2-Dibromo-ethane EDDL Electronic Device Description Language EDFW Extended Dallas/Fort Worth EDIElectronic Data Interchange EDIFElectronic Data Interchange Format EDLElectrodeless Discharge Lamp EDPElectronic Data Processing EDRElectronic Data Reporting EDSEnergy Dispersive Spectrometry EDXEnergy Dispersive X-ray EDXRFEnergy Dispersive X-ray Fluorescence EEPROMElectrically Erasable Programmable Read Only Memory EFDEngineering Flow Diagram EFMElectronic Flow Meter EGAS Economic Growth Analysis System EGFElectric Generating Facility EGRExhaust Gas Recirculation EIElectron Impact, Electron Ionization, Emissions Inventory EIDElectron Ionization Detector EIDEEnhanced Integrated Device Electronics EIMSEnvironmental Information Management System EIQEmissions Inventory Questionnaire EISAExtended Industry Standard Architecture ELElevation, ElectroLuminecse ELCD Electrolytic Conductivity Detector ELFExtremely Low Frequency ELPEl Paso ELPATEnvironmental Lead Proficiency Analytical Testing Program EMAEnterprise Management Architecture EMCElectromagnetic Compatibility, Emissions Measurement Center EMEElectromagnetic Emissions EMFElectromagnetic Field, Electromagnetic Force, Electromotive Force EMIElectromagnetic Interference EMISEnvironmental Management Information System EMPElectro-Magnetic Pulse EMRElectroMagnetic Radiation EMSEnergy Management System EMTElectroMetallic Tubing ENEuropean Norm EOElectro-Optical, Electro-Optic EOFElectroOsmotic Flow EOMEnd Of Message EOTEnd Of Text EPEthylene-Propylene, Ethane Propane, Explosion Proof EPAEnhance Performance Architecture EPCEngineering Procurement Construction, Electronic Product Code EPCM Engineering Procurement Construction Management EPCRAEmergency Planning and Community Right-to-know Act EPDM Ethylene Propylene Rubber EPEREuropean Pollutant Emission Register EPMElectrical Preventive Maintenance EPNEmission Point Number EPPEnhanced Parallel Port (parallel port) EPROMErasable Programmable Read Only Memory EPPEnhanced Parallel Port EPTox Extraction Procedure Toxicity ERCEmission Reduction Credit ERPEnterprise Resource Planning ERTEquipment Repair Time ESAEndangered Species Act ESBEnterprise Service Bus ESCEscape ESDEmergency ShutDown, ElectroStatic Discharge ESEM Environmental Scanning Electron Microscope ESPElectro-Static Precipitator ESREquivalent Series Resistance ESSEnterprise Supervisory System, Environmental Stress Screening, ElectronicSwitching System ETAEvent Tree Analysis ETREmployer Trip Reduction ETXEnd of Text EUEuropean Union EUTEquipment Under Test eVElectron Volt EVAEthylene Vinyl Acetate EVDEnhanced Versatile Disc F wastesHazardous wastes from nonspecific sources F/VFrequency-to-Voltage FAFailure Analysis FABFast Atom Bombardment FACA Federal Advisory Committee Act FADU File Access Data Unit FAQFrequently Asked Question FARFlexible Attainment Region FATFile Allocation Table, Factory Acceptance Test, Field Acceptance Test FCFail Closed FCCFluid Catalytic Cracking FDFail Dangerous FDDIFiber Distributed Data Interface FDMFrequency Division Multiplexing FDMA Frequency Division Multiple Access FDTFractional Dead Time, Field Device Tool FELFront End Loading FEPFluorinated Ethylene Propylene FESOPFederally-Enforceable State Operating Permit FETField Effect Transistor FFFlange-to-Flange, Face-to-Face, Form Feed, Foundation Fieldbus FFFField-flow Fractionation FFTFast Fourier Transform FGDFlue Gas Desulfurization FHSSFrequency Hopping Spread Spectrum FIAFlow Injection Analysis FIDFlame Ionization Detector FIFOFirst In First Out FIFRA Federal Insecticide, Fungicide, and Rodenticide Act FIMFacilities Information Management FINField Instrument Network FIPFactory Information Protocol, Federal Implementation Plan FIPSFederal Information Processing Standards FMFrequency Modulation FMCFixed/Mobile Convergence FMEA Failure Mode and Effects Analysis FMECAFailure Mode and Effects and Criticality Analysis FMLA Family and Medical Leave Act FMVCPFederal Motor Vehicle Control Program FOBFree On Board FOFail Open, Fiber Optic FODForeign Object Damage FPFlash Point, Functional Profile, Field Portable FPDFlame Photometric Detector, Flat Panel Display FPGAField Programmable Gate Array FPLFixed Programmable Language FPNFine Print Note FPUFloating Point Unit FRFederal Register FRAM Ferroelectric Random Access Memory FRCFire Retardant Clothing FRPFiberglass Reinforced Polyester FSFull Scale, Fail Safe FSAFunction Safety Assessment FSKFrequency Shift Keying FSOTFused Silica Open Tubular capillary column FTFoot, Feet FTAFlame Temperature Analysis, Fault Tree Analysis FTAM File Transfer, Access, and Management FTEFull Time Equivalent Employee FTMFixed Time Maintenance FTIRFourier Transform Infrared FTNIR Fourier Transform Near Infrared FTPFile Transfer Protocol FTTAFederal Technology Transfer Act FTTHFiber To The Home FUFUse, Functional Unit FUBARF... Upped Beyond All Recognition FUDFear, Uncertainty, and Deception FWPCAFederal Water Pollution Control Act GGrams, Ground G/HP-HRGrams per Horsepower-Hour G/MIGrams per Mile GALGallon GANGlobal Area Network GATT General Agreement on Tariffs and Trade GaAsGallium Arsenide GBUGasoline Blend Unit GCGas Chromatograph, Gas Chromatography GC/MSGas Chromatograph/Mass Spectrometer GC/MS/MSGas Chromatograph/Tandem Mass Spectrometer GDGlow Discharge GDIGraphics Display Interface GDSGasoline Desulphurization Unit GDPGross Domestic Product GEOGeostationary Earth Orbit GFGraphite Furnace GFAASGraphite Furnace Atomic Absorption Spectroscopy GFCGas Filter Correlation GFCIGround Fault Circuit Interrupter GFIGround Fault Interrupter GIGOGarbage In Garbage Out GIFGraphic Interchange Format, Graphic Image File GIPOF Graded-Index Plastic Optical Fiber GISGeographic Information System GLCGround Level Concentration, Gas-Liquid Chromatography GloBEISGlobal Biogenic Emissions Inventory System GLPGood Laboratory Practice GMPGood Manufacturing Procedure GMTGreenwich Mean Time GPCGel Permeation Chromatography GPMGallons Per Minute GPSGlobal Positioning System GRAS Generally Recognized As Safe GRCGalvanized Rigid Conduit GRLT Global Refining Leadership Team GSEGround Support Equipment GTLGas To Liquids GUIGraphical User Interface GVWRGross Vehicle Weight Rating HAPHazardous Air Pollutant HART Highway Addressable Remote Terminal HATHardware Acceptance Test HAXL Houston Air Excellence in Leadership HAZOPSHazard and Operability Study HBHouse Bill HCHydrocarbon HCIAHost Computer Interface ASCII HClHydrochloric HCUHydrocracker Unit HDHard Disk, Harmonic Distortion HDDHeavy Duty Diesel HDDV Heavy Duty Diesel Vehicle HDLHardware Description Language HDMI High Definition Multimedia Interface HDPE High Density PolyEthylene HDTHandheld Data Terminal HDTV High Definition Television HDVHeavy Duty Vehicle HETPHeight Equivalent of a Theoretical Plate HFHigh Frequency (3 MHz to 30 MHz), Hydrofluoric, Hydrogen Fluoride HFTHardware Fault Tolerance HGAHouston/Galveston Area HIPSHigh Integrity Protection System, High Integrity Protective System HLLAPIHigh Level Language Application Programming Interface HMIHuman Machine Interface HMRHazardous Material Regulation HOMERHazardous Organic Mass Emission Rate HONHazardous Organic National Emission Standards for Hazardous Air Pollutants HOVHigh Occupancy Vehicle HPHorsepower, Hewlett Packard, High Performance HPCEHigh-Performance Capillary Electrophoresis HPIHydrocarbon Processing Industry HPLCHigh-Performance Liquid Chromatography HPMHybrid Power Management HPMS Highway Performance Monitoring System HPSECHigh Performance Size Exclusion Chromatography HPTLCHigh-Performance Thin Layer Chromatography HRMHouston Regional Monitoring HRPHazard Reduction Factor HRSG Heat Recovery Steam Generator HRVOCHighly Reactive Volatile Organic Compound HSEHigh Speed Ethernet, Health Safety & Environmental HSWAHazardous and Solid Waste Amendment (1984) HTGHydrostatic Tank Gauging HTML HyperText Markup Language HTSCHigh Temperature Superconductor HTTPHypertext Transfer Protocol, Hypertext Transport Protocol HVHigh Voltage HVAC Heating, Ventilation, and Air Conditioning HZHertz I/MInspection/Maintenance I/OInput/Output I/PCurrent to Pneumatic I&CInformation & Control I&EInstrumentation & Electrical IAQIndoor Air Quality IASInstrument Air Supply ICIntegrated Circuit, Ion Chromatography ICAPInductively Coupled Argon Plasma ICAP-MSInductively Coupled Argon Plasma - Mass Spectroscopy ICAP-OESInductively Coupled Argon Plasma - Optical Emission Spectroscopy ICCDIntensified Charge Coupled Device ICEIn Case of Emergency ICIIndustrial, Commercial, and Institutional ICPInductively Coupled Plasma ICP-AESInductively Coupled Plasma Atomic Emission Spectroscopy ICP-MSInductively Coupled Plasma Mass Spectrometry ICTIn-Circuit Test IDInside Diameter, Identification IDEIntegrated Drive Electronics, Integrated Development Environment IDNInternational Domain Name IDRIntrascene Dynamic Range IEFIsoElectric Focusing IFIntermediate Frequency IFAIssue For Approval IFCIssue For Construction IFTInverse fast Fourier Transform IGIsolated Ground IGBTInsulated Gate Bipolar Transistor IGCCIntegrated Gasification Combined Cycle IIGInterim Implementation Guidance IIMSIntegrated Information Management System IIPInterim Implementation Plan ILDInstrument Loop Diagram ILMInformation Lifecycle Management IMAC Immobilized Metal Affinity Chromatography IMAPInternet Message Access Protocol IMCIntermediate Metal Conduit IMSInformation Management System, Ion Mobility Spectrometry, IP MultimediaSubsystem INHGInches Mercury (Hg) INITInitial Condition Tracer INWC Inches Water Column IOCInstrument on a Chip IPInternet Protocol, Intellectual Property IPv6Internet Protocol version 6 IPAIsopropyl Alcohol IPCIntegrated Pollution Control (England) IPCTIndustrial Process Cooling Tower IPPIndependent Power Plant IPSInstrumented Protective System IQInstallation Qualification IRInfraRed, Infrared Radiation IREDInfraRed Emitting Diode IRPIntegrated Resource Planning IRQInterrupt ReQuest ISIntrinsically Safe, Information Systems, International Standard, Internal Standard ISAIndustry Standard Architecture, Incident Surprise Anomaly ISBLInside Battery Limits ISDNIntegrated Services Digital Network ISEIon Selective Electrode ISFET Ion Selective Field Effect Transistor ISPInteroperable Systems Project, International Standardized Profile, InformationSolutions Practice, Internet Service Provider ISSInternational Space Station ITInformation Technology ITDIon Trap Detector ITPSInternational Practical Temperature Scale ITSIntelligent Transportation System ITWSIntegrated Terminal Weather System IWWIndustrial Wastewater J BODJ ust a Bunch of Disks J CAMPDXJ oint Committee on Atomic and Molecular Physical Data, Data Exchange file format J ICJ oint Industry Conference J IGJ oint Interest Group J ISJ apan Industry Standards J ITJ ust In Time J Script J ava Script J TCJ oint Technical Committee KKelvin K wastesWastes from industry specific sources KBKilobyte, Kilobaud KBPSKilobytes Per Second KCAL Kilocalorie KGKilogram KG/HAKilograms/Hectare KISSKeep It Simple, Stupid KJ Kilojoule KMKilometer KPAKilopascal KPIKey Performance Indicator LLiter LcCritical Level LADARLaser Radar LAER Lowest Achievable Emission Rate LAGSTLeaking Above Ground Storage Tank LALLSLow Angle Laser Light Scattering LANLocal Area Network LASLink Active Scheduler LASERLight Amplification by Stimulated Emission of Radiation LBPound LCLiquid Chromatograph LCCLeadless Chip Carrier LCDLiquid Crystal Display LCOSLiquid Crystal on Silicon LDAR Leak Detection and Repair, Lightning Detection and Ranging LDLLower Detection Limit LDRLand Disposal Restriction LTDLight Duty Truck LEDLight Emitting Diode, Low Emission Diesel LELLower Explosive Limit LEVLow Emission Vehicle LFLow Frequency (30 kHz to 300 kHz) LFLLower Flammable Limit LIBSLaser Induced Breakdown Spectroscopy LIDARLight Detection And Ranging LIESA Laser Induced Emission Spectral Analysis LIFLaser Induced Fluorescence LIFOLast In First Out LIILaser-Induced Incandescence LIMSLaboratory Information Management System LINLocal Interconnect Network LLMB Liquid-Liquid Material Balance LMLink Master LNAPLLight Non-Aqueous Phase Liquid LNGLiquefied Natural Gas LOCLab on a Chip LODLimit of Detection LOFLack of Fit LOQLimit of Quantitation LOSLine Of Sight LOXLiquid OXygen LPLiquefied Petroleum, Liquid Petroleum, Linear Programming LPGLiquid Petroleum Gas, Liquefied Petroleum Gas LRULine Replaceable Unit LSBLeast Significant Bit LSGLow Sulfur Gasoline LSILarge Scale Integration LTLighT, Level Transmitter LTALogic Tree Analysis LTPSLow Temperature Polysilicon LUSTLeaking Under Ground Storage Tank LUTLook Up Table LVLow Voltage LVDT Linear Voltage Displacement Transducer LVILarge Volume Injection LXILAN Extensions for Instrumentation MMeter, Measurement M2MMachine-to-Machine MAMilliamp MACT Maximum Available Control Technology, Maximum Achievable Control Technology MALDIMatrix Assisted Laser Desorption Ionization MALDI-TOFMatrix Assisted Laser Desorption Ionization Time Of Flight MALLSMulti-angle Laser Light Scattering MANMetropolitan Area Network MAPManufacturing Automation Protocol MASS SPECMASS SPECtrometer MBMegaByte MBPS MegaBits Per Second MCCMotor Control Center MCLMaximum Contaminate Level MCPMicrochannel Plate MCSManagement Consulting Services MDAManufacturing Defects Analyzer MDERCMobile Discrete Emission Reduction Credit MDTMean Down Time MEKC Micellar Electrokinetic Chromatography MEMSMicroElectroMechanical Systems MERC Mobile Emission Reduction Credit MESManufacturing Execution Systems MESG Maximum Experimental Safe Gap METT Mass Emissions Transient Testing MGMilliGram, Motor Generator MGDMillion Gallons per Day MIMineral Insulated, Mechanical Integrity MIBManagement Information Base MICMicrobiologically Influenced Corrosion, MICrophone, Minimum Igniting Current Mid-IRMid Infrared spectrum covering range 400 cm-1 to 4000 cm-1 (25 to 2.5 m) MIEMinimum Igniting Energy MIGMetal Inert Gas MILManagement Information Library, 1/1000 of an inch MIL HDBKMilitary Handbook MIL SPECMilitary Specification MIL STDMilitary Standard MIMOMultiple Inputs/Multiple Outputs MIMS Membrane Introduction Mass Spectrometry MIPSMillion Instructions Per Second MISManagement Information System MISOMultiple Inputs/Single Output MLMilliliter MLCMultilevel Cell MMMillimeter MMBTUMillion British Thermal Units MMIMan Machine Interface MMIC Monolithic Microwave Integrated Circuit MMSManufacturing Message Specification, Maintenance Management System MOCManagement Of Change MOFMetal Organic Framework MOMManufacturing Operations Management MONMiscellaneous Organic NESHAP MOSMetal Oxide Semiconductor MOSFETMetal Oxide Silicon Field Effect Transistor MOST Mobile Open Systems Technology. Media Oriented Systems Transport MOUMemorandum Of Understanding MOVMotor Oil Volatility, Motor Operated Valve, Metal Oxide Varistor MPAMillipascal, Metropolitan Planning Area MPEG Motion Picture Expert Group MPFFMaintenance Preventable Function Failure MPHMiles Per Hour MPUMicroprocessor Unit MRAMagnetic Resonance Analysis MRAMMagnetic Random Access Memory MRIMagnetic Resonance Imaging MROMaintenance, Repair/replacement, Operating MRRT Monitoring, Reporting, Recordkeeping, and Testing MSMass Spectroscopy, Mass Spectrometry MS/MSTandem Mass Spectroscopy MSBMost Significant Bit MSDMass Selective Detector MSDE Microsoft Data Exchange MSDS Material Safety Data Sheet MSIMedium Scale Integration MSKMinimum Shift Keying MTBE Methyl Tertiary-Butyl Ether, Mean Time Between Explosions MTBF Mean Time Between Failure MTDF Mean Time to Detect Failure MTTF Mean Time To Failure MTTR Mean Time To Repair MuDTIPMultidimensional Protein Identification Technology MUXMultiplexer MVMillivolt, Manipulated Variable, Medium Voltage MWMega-Watt, Milli-Watt, Molecular Weight MWTAMedical Waste Tracking Act MYModel Year NNeutral NANumerical Aperture NAANeutron Activation Analysis NAAQSNational Ambient Air Quality Standard NACNetwork Access Control NAFTANorth American Free Trade Agreement NAKNegative Acknowledgment NASNetwork-Attached Storage NCNormally Closed, Network Computer NCANoise Control Act NCDC National Climate Data Center NDENon-Destructive Examination NDIRNon-Dispersive Infrared NDUV Non-Dispersive Ultraviolet NECNational Electrical Code NEGU Non-Electric Generating Units NEPNoise Equivalent Power NEPA National Environmental Policy Act NESHAPNational Emission Standard for Hazardous Air Pollutants NeSSI New Sampling/Sensor Initiative NEVESNon-road Engine and Vehicle Emission Study NEXT Near End Cross-Talk NFCNational Fire Code NHSDANational Highway System Designation Act NICNetwork Interface Card NICINegative Ion Chemical Ionization NIRNear Infrared NLEV National Low Emission Vehicle NLLAPNational Lead Laboratory Accreditation Program NMNanometer NMRNuclear Magnetic Resonance NMRS Nuclear Magnetic Resonance Spectroscopy NMSNetwork Management Station NNSR Non-attainment New Source Review NONormally Open, Nitrogen Oxide NOxNitrogen Oxides NOyNitrogen Species NOMNatural Organic Material NPDNitrogen-Phosphorous Detector NPDESNational Pollutant Discharge Elimination System NPLNational Priorities List NPNNegative-Positive-Negative NPSHNet Positive Suction Head NPTNational Pipe Thread NRNatural Rubber NRAMNanotube Random Access Memory NREPNational Registry of Environmental Professionals NRLNaval Research Laboratory NRTL Nationally Recognized Testing Laboratory NRZNon-Return to Zero NSOM Near-field Scanning Optical Microscope NSPSNational Standards of Performance for Stationary Sources, New SourcePerformance Standard NSRNew Source Review NTCNegative Temperature Coefficient O3Ozone O&MOperation and Maintenance OA-ICOSOff-Axis Integrated-Cavity-Output Spectroscopy OBDOn-Board Diagnostics OCAP Open Cable Application Platform ODObject Directory, Outside Diameter ODBC Open Database Connectivity ODFOpen Document Forum ODPOzone Depletion Potential OELOccupational Exposure Limit OEMOriginal Equipment Manufacturer OESOptical Emission Spectroscopy OIOperator Interface OIML OISOperator Interface Station OJ TOn the J ob Training OJ ROn the J ob Retirement OLOverLoad OLAP On-Line Analytical Processing OLEObject Linking and Embedding OLED Organic Light Emitting Diode OLSOrdinary Least Squares OMACOpen, Modular Architecture Control OPOPerational OPAOil Pollution Act (1990) OPCObject Linking and Embedding for Process Control OP-FTIROpen Path - Fourier Transform InfraRed OPLCOver Pressure Layer Chromatography OQOperational Qualification ORBObject Request Broker ORPOxidation Reduction Potential OSOperating System OS/2Operating System/2 OSAT Ozone Apportionment Technology OSBLOutside Battery Limits OSHA Occupational Safety and Health Act OSIOpen System Interconnection OSILOn-Site Implementation Log OTAG Ozone Transport Assessment Group OTDR Optical Time Domain Reflectometer OVAOrganic Vapor Analyzer OWLWeb Ontology Language P wastesAcutely hazardous discarded commercial products, off specification products, and spill residues P2Pollution Prevention P/SPower Supply P&IDProcess and Instrumentation Diagram PAPower Amplifier, Peak Area PACTPlasma Arc Centrifugal Treatment PADPhotodiode Array Detector, Pulsed Amerometric Detection PAHPolynuclear Aromatic Hydrocarbon, Polycyclic Aromatic Hydrocarbon PAIProcess Analysis Instrumentation PALPlant-wide Applicability Limit PAMPulse Amplitude Modulation, Plant Asset Management PAMS Photochemical Assessment Monitoring Site PARProven Acceptable Range PASPhoto Acoustic Spectroscopy, Publicly Available Specification PATProcess Analytical Technology PbLead PBPushbutton PBBPolybrominated Biphenyl PBDEPolybrominated Diphenyl Ether PBXPrivate Branch Exchange PCPersonal Computer, Programmable Controller PCBPrinted Circuit Board, Polychlorinated Biphenyl PCBA Printed Circuit Board Assembly PCIPeripheral Component Interconnect PCMPulse Code Modulation PCMCIAPersonal Computer Memory Card International Association PCSPhoton Correlation Spectroscopy PCVPositive Crankcase Ventilation PDPositive Displacement PDAPersonal Data Assistant PDEFPhysical Design Exchange Format PDFPortable Document Format PDHProfessional Development Hour PDMPredictive Maintenance PDPPlasma Display Panel PDRIProject Definition Rating Index PDSProject Delivery System PDUProtocol Data Unit, Power Distribution Unit PEProfessional Engineer, Process Engineering, Polyethylene PEESP Plasma-enhanced Electrostatic Precipitator PEIPeriodic Emissions Inventory PELPotential Exposure Limit, Permissible Exposure Limit PERAPurdue Enterprise Reference Architecture PESProgrammable Electronic System PETPolythene Terepthalate PFPower Factor, Pico Farad PFDProbability of Failure on Demand, Process Flow Diagram PFPDPulsed Flame Photometric Detector PGAPin Grid Array PHAProcess Hazards Analysis PHRProcess Hazards Review PHYPHYsical Layer Protocol PIDPhoto Ionization Detector, Proportional-plus-Integral- plus-Derivative PIMSProcess Information Management System PISProtective Instrumented System PLAProgrammable Logic Array PLCProgrammable Logic Controller PLDProgrammable Logic Device PLIFPointer Laser Induced Fluorescence PLLPhase Locked Loop PLMProduct Lifecycle Management PLSPartial Least Squares PMPreventative Maintenance, Predictive Maintenance, Post Meridiem, Post Mortem,Particulate Matter, Phase Modulation, Pulse Modulated PM10Particulate Matter less than 10 microns PMTPhoto Multiplier Tube PNLPanel PNPPositive-Negative-Positive (transistor) POCPhotochemical Organic Contamination POEPoint of Entry POISPlant Operating Information System PONPassive Optical Network POP3Post Office Protocol version 3 POTW Publicly Owned Treatment Work POUPoint of Use PPPoly Propylene PPAPollution Prevention Act PPBParts Per Billion PPEPersonal Protection Equipment PPMParts Per Million PPMV Parts Per Million by Volume PPMWParts Per Million by Weight PPPPoint-to-Point Protocol PPRProduct and Packaging Rotogravure PPTParts Per Trillion PQPower Quality, Performance Qualification PRPair, Publication Rotogravure PRTDPlatinum Resistance Temperature Detector PROFIBUSProcess Fieldbus PRVPressure Relief Valve PSPower Supply, Power Spectrum, Performance Specification PSAPressure Swing Adsorption PSATProstrate Acceptance Test PSDPrevention of Significant Deterioration, Particle Size Distribution PSDBPoint Source Database PSIPounds per Square Inch PSIAPounds per Square Inch Absolute PSIDPounds per Square Inch Differential PSIGPounds per Square Inch Gauge PSKPhase Shift Keying PSMProcess Safety Management PSSRPre-Startup Safety Review PTPotential (voltage) Transformer PTEPotential To Emit PTFEPoly TetraFluoroEthylene PTGCProgrammed Temperature Gas Chromatograph PTNPublic Telephone Network PURPAPublic Utility Regulatory Policies Act PVProcess Variable, Principle Variable, Photovoltaic PVCPoly Vinyl Chloride PVDFPoly Vinyl DiFluoride (Kynar) PWBPrinted Wiring Board PWBA Printed Wiring Board Assembly PWMPulse-Width Modulation PXIPCI eXtensions for Instrumentation QAQuality Assurance QA/QCQuality Assurance/Quality Control QAMQuadrature Amplitude Modulation QAPQuality Assurance Program, Quality Assurance Plan QCQuality Control QCAQuiet Communities Act QIPQuality Improvement Program QLQuantitation Limit QMLQualified Manufacturers List QPLQualified Parts List, Qualified Product List QRAQuantitative Risk Assessment QRIQuantum Resonance Interferometry QTAG Quality Test Action Group QWIPQuantum-well Infrared Photodetector R&DResearch & Development R&RRemove & Replace, Rest & Recreation, Recognition & Reward RACT Reasonably Available Control Technology RADRapid Application Development RAIDRedundant Array of Inexpensive Disks, Redundant Array of Inexpensive Devices, Random Array of Independent Disks RAMRandom Access Memory RAZRegional Analysis Zone RBDReliability Block Diagram RBOC Regional Bell Operating Companies RBSRutherford Backscattering Spectroscopy RCResistor Capacitor RCFA Root Cause Failure Analysis RCMReliability Centered Maintenance RCORecuperative Catalytic Oxidizer RCRA Resource Conservation and Recovery Act RCTSSRegional Computerized Traffic Signal System RCVR Receiver RDFResource Description Framework RECLAIMRegional Clean Air Incentive Market RELRecommended Exposure Limit REMPIResonance Enhanced Multiphoton Ionization RFRaised Face, Radio Frequency RFCCUResidue Fluid Catalytic Cracking Unit RFDC Radio Frequency Data Communications RFGReformulated Gasoline RFIRadio Frequency Interference RFIDRadio Frequency Identification, Radio Frequency Identity RFORequest For Offer RFQRequest For Quotation RGSRigid Galvanized Steel RHRelative Humidity RIRefractive Index RIFReduction In Force RISCReduced Instruction Set Chip, Reduced Instruction Set Computer RLLRelay Ladder Logic RMARaw Material Attributes RMPRisk Management Plan RMSRoot Mean Square RMSE Root Mean Square Error ROReverse Osmosis, Restriction Orifice ROAReturn On Asset RoHSReduction of Hazardous Substances, Restriction of Hazardous Substances ROIReturn On Investment ROMRead Only Memory ROPRate Of Progress RPMRevolutions Per Minute, Real-time Process Management RRAResource Recovery Act RRELRisk Reduction Engineering Laboratory RSDRemote Sensing Device, Relative Standard Deviation RSLinksRockwell Software Links (Allen Bradley OPC Server) RSSRoot Sum Square RTReal Time, Rise Time RTDResistance Temperature Detector, Resistance Temperature Device RTJ Ring Type J oint RTORegenerative Thermal Oxidizer RTOSReal Time Operating System RTSReady To Send, Request To Send RTURemote Terminal Unit RVPReid Vapor Pressure RZNon-Return Zero SSecond S/DShut Down S/HSample and Hold S/NSignal to Noise, Serial Number SAGE Solvent Alternative Guide SAIMMSystems Applications International Meteorological Model SALLSSingle Angle Laser Light Scattering SANStorage Area Network SARA Superfund Amendments and Reauthorization Act (1986) SATSite Acceptance Test SAWStanding Acoustic Wave, Surface Acoustic Wave SB5Senate Bill 5 SBCSingle Board Computer SBDW Single Beam Dual Wavelength SBIRSmall Business Innovative Research (USA Government grant program) SBSW Single Beam Dual Wavelength SCADASupervisory Control & Data Acquisition SCAM Safety Control, Ax Man SCCSource Classification Code SCDSulfur Chemiluminescence Detector SCESuppressed Capillary Electrophoresis SCFM Standard Cubic Feet per Minute SCMSupply Chain Management SCPIStandard Commands for Programmable Instruments SCRSelective Catalytic Reduction, Selective Catalytic Reaction, Silicon ControlledRectifier, Sample Conditioning Room SCSISmall Computer Standard Interface, Small Computer System Interface SDStandard Deviation, Safe Detected SDBSmall Disadvantaged Business SDFStructure Data File SdFFF Sedimentation Field-Flow Fractionation SDISilt Density Index SDLCSynchronous Data Link Control SDSSmart Distributed System SDWASafe Drinking Water Act SECSize-Exclusion Chromatography SECSSemiconductor Equipment Communications Standard SECSIISemiconductor Equipment Communications Standard Layer 2 SEMScanning Electron Microscope, Scanning Electron Microscopy SERCOSSerial Realtime Communications System SEVA Self Validation SFCSupercritical Fluid Chromatography SFDRSpurious Free Dynamic Range SFF SGSpecific Gravity SHASample and Hold Amplifier SHSSample Handling System SIInternational System of Units SICStandard Industrial Classification SIFSafety Instrumented Function SIGSpecial Interest Group SILSafety Integrity Level SIMSelective Ion Monitoring SIMDISSimulated Distillation SIMM Single Inline Memory Module SIMOSingle Input/Multiple Outputs SIMSSymposium for Innovation in Measurement Sciences SIPState Implementation Plan, Sterilize In Place SIPOF Step-index Plastic Optical Fiber SISSafety Instrumented System SISCH Step Index Separate Confinement Heterostructure SISOSingle Input/Single Output SITSilicon Intensified Target SITESuperfund Information Technology Exchange, Superfund Innovative TechnologyEvaluation SITWCSpark Ignition Three-Way Catalyst SLStraight Line SLAM Scanning Laser Acoustic Microscope SLCSingle Loop Controller, Small Logic Controller, Single Level Cell SLDARSmart Leak Detection and Repair SLDCSingle Loop Digital Controller SLIPSerial Line Interface Protocol SMDSurface Mount Device SMDS Switched Multi-megabit Data System SMLService Modeling Language SMRSteam-Methane Reforming SMTSurface Mount Technology SMTP Simple Mail Transfer Protocol SNASystem Network Architecture SNAFUSituation Normal, All F... Up SNCR Selective Non-Catalytic Reduction SNMP Simple Network Management Protocol SNRSignal to Noise Ratio SO2Sulfur Dioxide SOxSulfur Oxide Compounds SOAService Oriented Architecture SOAPSimple Object Access Protocol SOCSystem On Chip SOCMISynthetic Organic Chemical Manufacturing Industry SOHStart Of Heading SOICSmall Outline Integrated Circuit SOPSafe Operating Practice SOSSouthern Oxidants Study SOTSmall Outline Transistor SOVSolenoid Valve SOWStatement of Work SPSet Point SP(76) Standards and Practices (Group of ISA) SPCStatistical Process Control SPCCSpill Prevention, Control, and Countermeasures Program SPDTSingle Pole, Double Throw SPISerial Peripheral Interface SPMScanning Probe Microscope SPME Solid Phase Microextraction SPRSurface Plasmon Resonance SPSSamples Per Second SQCStatistical Quality Control SQLStructured Query Language SRAM Static Random Access Memory SRMStandard Reference Materials SRRPSource Reduction Review Project SRSSafety Requirement Specification SSStainless Steel SSBSingle Side Band SSFSaybolt Seconds Furol (viscosity) SSMStart-up, Shutdown, and Malfunction SSRSolid State Relay, Sum of Squared Residuals SSUSaybolt Seconds Universal (viscosity) STEM Scanning Transmission Electron Microscope STEPStandard for Exchange of Product model data STPStandard Pressure and Temperature, Shielded Twisted Pair STXStart Of Text SULEVSuper-Ultra-Low Emission Vehicle SVSolenoid Valve SVOC Semi-Volatile Organic Compound SWSocket Weld SWAGScientific Wild Ass Guess SWIGSensors for the Water Industry Group SWLIScanning White Light Interferometry SWP3Storm Water Pollution Prevention Plan SWRStanding Wave Ratio T/CThermocouple T&ETravel & Entertainment TA-MSThermal Analysis-Mass Spectrometry TAAF Test, Analyze And Fix TACTexas Administrative Code TAFFTexas Alternative Fuel Fleet TANTiny Area Network TAPTelocator Alphanumeric Protocol (paging protocol) TBTerminal Block, Terminal Board TCThermal Conductivity, Temperature Compensator, Technical Committee, Thermocouple, Temperature Coefficient, Toxicity Characteristic TCATotal Carbon Analyzer TCAA Texas Clean Air Act TCDThermal Conductivity Detector TCFTexas Clean Fleet, Totally Chlorine Free TCLPToxicity Characteristics Leaching Procedure TCMTime-Critical Manufacturing, Transportation Control Measures TCOTotal Cost of Ownership TCPTransmission Control Protocol TCP/IPTransmission Control Protocol/Internet Protocol TDCTop Dead Center TDDTime Division Duplex TDHTotal Dynamic Head, Total Harmonic Distortion TDLASTunable Diode Laser Absorption Spectrophotometer TDMTime Division Multiplex TDMATime Division Multiple Access TDRTime Delay Relay, Time Delay Reflectometer TEDThermionic Emission Detector TEDSTransducer Electronic Data Sheet TEFCTotally Enclosed Fan Cooled TELCOTELEphone COmpany TENV Totally Enclosed Non-Ventilated TERTechnical Evaluation Report TERPTexas Emission Reduction Plan TFETetraFluoroEthylene (Teflon) TFE/P TetraFluoroEthylene/Propylene TFTThin Film Transistor TGDTechnical Guidance Document THDTotal Harmonic Distortion TIGTungsten Inert Gas, Technical Interest Group TILSTotal Intensity Light Scattering TIOTechnology Innovation Office TIPTransportation Implementation Plan TLAThree Letter Acronym TLCThin Layer Chromatography TLVThreshold Limit Value TMCTexas Motorists Choice TMRTriple Modular Redundancy TNMOCTotal Non-Methane Organic Compounds TOxTotal Organic Halide TOCTotal Organic Carbon, Total Organic Compound, Total Oxidizable Carbon TOFTime Of Flight TOGTotal Organic Gas TPAThird Party Access TPDTons Per Day TPOD Tons Per Ozone Day TPYTons Per Year TQMTotal Quality Management TRIToxic Release Inventory TSCAToxic Substances Control Act TSDTechnical Support Document TSDFTreatment, Storage, or Disposal Facility TSMP Time Synchronized Mesh Protocol TSOTight Shut-Off TSWebTerminal Server Web TTHM Total Trihalomethane TTLTransistor-Transistor Logic TTYTeletypewriter TVATotal Vapor Analyzer TVSSTransient Voltage Surge Suppressor TWATime Weighted Average TXTransmitter TXPTotal Suspended Particulate TXRFTotal Reflection X-ray Fluorescence U wastesOther discarded commercial products, off specification products, and spill residues UAMUrban Airshed Model UART Universal Asynchronous Receiver Transmitter UAVUnmanned Aerial Vehicle UBCUniform Building Code, Uninterruptible Battery Supply UCSUniversal Control Station UDAUniversal Data Access UDPUser Datagram Protocol UELUpper Explosive Limit UFLUpper Flammable Limit UHFUltra High Frequency (300 MHz to 3 GHz) UKUnited Kingdom ULSD Ultra Low Sulfur Diesel ULSG Ultra Low Sulfur Gasoline ULFUltra Low Frequency UMAUnlicensed Mobile Access UNEP United Nations Environment Programme UPCUniversal Product Code UPSUninterruptible Power Supply URLUniform Resource Locator USUnited States USAUnited States of America USBUniversal Serial Bus, Upper Side Band USTUnderground Storage Tank UTFUnshielded Twisted Pair UTMUnsafe To Monitor, Universal Transverse Mercator UTPUnshielded Twisted Pair UVUltraviolet UVFUltraviolet Fluorescence UVLA Ultraviolet Laser Ablation UWBUltra-Wideband UWWDUrban Wastewater Directive (European Community) VVolt VAVolt-Ampere VACVolts Alternating Current VARVolt-Ampere Reactive, Value Added Reseller VAVR Voluntary Accelerated Vehicle Retirement VBVisual Basic VBAVisual Basic for Applications VBScriptVisual Basic Script VBXVisual Basic Extension VDCVolts Direct Current VDFVoltage Distortion Factor VDSVirtual Device Syntax VDTVideo Display Tube VDUVideo Display Unit VEVisible Emissions VERPVoluntary Emission Reduction Permit VFAVariable Filter Array VFDVirtual Field Device, Variable Frequency Drive VGVapor Generation VHAP Volatile Hazardous Air Pollutant VHFVery High Frequency (30 MHz to 300 MHz) VIDVehicle Identification Database VINVehicle Inspection Number VIRVehicle Inspection Report VISVisible VISAVirtual Instrument Software Architecture VISITTVendor Information System for Innovative Treatment Technologies, VendorInformation System for Innovative Technology Transfer VLVisible Length VLAN Virtual Local Access Network VLFVery Low Frequency (Below 30 KHz) VLSIVery Large Scale Integration VMAS Vehicle Mass Analysis System VMEVersa Module Europe, Virtual Memory Environment VMEP Voluntary Mobile Source Emissions Reduction Program VMSVirtual Memory System VMTVehicle Miles Traveled VNRVOC-NOx Ratios VNRATVOC-NOx Ratios VOCVolatile Organic Compound VoDVideo on Demand VoIPVoice over Internet Protocol VOLVolume VoWLANVoice over Wireless Local Area Network VPDAASVapor Phase Deposition combined with Atomic Absorption Spectroscopy VPDICPMSVapor Phase Deposition combined with Inductively Coupled Plasma MassSpectrometry VPNVirtual Private Network VRAMVideo Random Access Memory VRCVertical Redundancy Check VRFVehicle Repair Form VTVirtual Terminal VTCVortex Tube Cluster WACKWait, Positive ACKnowledgment WANWide Area Network WAOWet Air Oxidation WCWater Column WDMWavelength-Division Multiplexing WDTWatchdog Timer WEEE Waste Electrical & Electronic Equipment WESP Wet Electrostatic Precipitation WGSWater-Gas Shift WiFiWireless Fidelity WIMP Windows, Icons, Mouse, Pointers WLANWireless Local Area Network WLSWeighted Least Squares WNWeld Neck WOEWeight Of Evidence WPN1 White Paper Number 1 WTWeight WWFWide-Web Flexographic WWW World Wide Web WYSIWYGWhat You See Is What You Get XFMR Transformer XooYX out of Y XRBL Extensible Business Reporting Language XRFX-ray Fluorescence XRFX X-ray Fluorescence XRMAX-ray Microanalysis XMLExtensible Markup Language XMTR Transmitter Y2KYear 2000 YTDYear To Date ZEVZero Emission Vehicle Compiled & Maintained by: Dale C. Merriman, CSAT MerTech Incorporated P.O. Box 571866 Houston, TX 77257-1866 P 713.978.7765F 713.978.6230 E-mail:dcmerriman@mertechinc.com