Abbreviations & Acronyms: Air Pollution and Emissions Control Technology

The following directory is a list of abbreviations and acronyms related to air pollution, emissions control technology, air quality management and energy generation.

A&WMA		Air and Waste Management Association
AAM		Alliance of Automobile Manufacturers
AB 2588		Air Toxics "Hot Spots" Information and Assessment Program
ACE		Alliance for Clean Energy
ACP		Alternative Compliance Program
ACQR		Air Quality Control Region
ACSA		America's Climate Security Act of 2007
ACSF		American Clean Skies Foundation
AECC		Association for Emissions Control by Catalyst
AEIL		Annual Existing Immission Load (German)
AEIU		Annual Emissions Inventory Update
A/F		Air:Fuel Ratio
AFIP		Alternative Fuel Incentive Program (ARB)
AFR		Air:Fuel Ratio
AFUE		Annual Fuel Utilization Efficiency
AIAM		Alliance of International Automobile Manufacturers
ALAPO		Association of Local Air Pollution Control Offices
ANPR		Advance Notice of Proposed Rulemaking
APC		Air Pollution Control
APCA		Air Pollution Control Association
APCD		Air Pollution Control District
APCO		Air Pollution Control Officer
APCS		Air Pollution Control System
APH		Air Preheater
APHEA		Air Pollution and Health European Approach
API		Air Pollution Index
APTZEV		Advanced Technology Partial Zero Emission Vehicle
APU		Auxiliary Power Unit
AQ		Air Quality
AQCP		Air Quality Control Program
AQCR		Air Quality Control Region
AQI		Air Quality Index
AQMD		Air Quality Management District
AQMP		Air Quality Management Plan
AQMP		Air Quality Maintenance Plan
AQR		Air Quality Research
AQS		Air Quality System
ARB		Air Resources Board
ARM		Air Resources Management
ARRPA		Air Resources Regional Pollution Assessment Model
ATCM		Air Toxic Control Measure
ATCM		Airborne Toxic Control Measures
AT-PZEV		Advanced Technology Partial Zero Emission Vehicle
BAAQMD		Bay Area Air Quality Management District
BACT		Best Available Control Technology
BARCT		Best Available Retrofit Control Technology
BART		Best Available Retrofit Technology
BAT		Best Available Technique
BATNEEC		Best Available Technology Not Entailing Excessive Cost
BE-diesel		Biodiesel-Ethanol-Diesel (fuel blend)
BEE		European Environmental Bureau (France)
BEIS		Biogenic Emissions Inventory System
BF		Bi-Fuel Vehicle
BMEP		Brake Mean Effective Pressure
BMP		Best Management Practices
BPG		Best Practice Guide (London)
BPT		Best Practicable Technology
BREF		Best Available Technique Reference Notes
BTU		British Thermal Unit
BUG		Back-up Generator
CAA		Clean Air Act
CAAA		Clean Air Act Amendments
CAAP		Clean Air Action Plan
CAF		Clean Air Funds
CAFE		Clean Air for Europe
CAFE		Corporate Average Fuel Economy
CAIR		Clean Air Interstate Rule
CAMR		Clean Air Mercury Rule
CAP		Corrective Action Plan
CAPCOA		California Air Pollution Control Officers Assoc.
CAPoC		Catalysis and Automotive Pollution Control
CARB		California Air Resources Board
CARE		Community Action for a Renewal Environment
CASTNET		Clean Air Status and Trends Network
CAT		Climate Action Team
CATC		Clean Air Technology Center (EPA)
CATF		Clean Air Task Force
CB-DPF		Catalyst Based Diesel Particulate Filter
CCAA		California Clean Air Act
CCC		Closed Coupled Converter
CCGTs		Combine Cycle Gas Turbines
CCM		Catalyzed Converter/Muffler
CCP		Cities for Climate Protection (Campaign)
CCR		California Code of Regulations
CCRT		Catalyzed Continuously Regenerating Technology
CCS		CO2 Capture and Sequestration
CCS		Carbon Capture and Storage
CCT		Clean Coal Technology Program
CCV		Closed Crankcase Ventilation
CDPF		Catalyzed Diesel Particulate Filter
CDM		Clean Development Mechanism (World Bank)
CE		Control Efficiency
CE-CERT		Center for Environmental Research and Technology
CEM		Continuous Emissions Monitor
CEMS		Continuous Emissions Monitoring Systems
CEQ		Council on Environmental Quality
CEQA		California Environmental Quality Act
CER		Certified Emissions Reductions
CFF		Clean-Fuel Fleet
CFFP		EPA Clean-Fuel Fleet Program
CFR		Code of Federal Regulations
CFV		Critical Flow Venturi
CFV		Clean-Fuel Vehicle
CHAPIS		Community Health Air Pollution Information System
ChERRP		Community Health Environmental Risk Reduction Plans
CI		Compression Ignition (Diesel)
CI ICE		Compression Ignition Internal Combustion Engine
CIAQC		Construction Industry Air Quality Coalition
CIMAC		International Council on Combustion Engines
CLRTAP		Convention on Long-Range Transboundary Air Pollution
CMAQ		Congestion Mitigation & Air Quality (Improvement Program)
CNG		Compressed Natural Gas
CO		Carbon Monoxide
CO2		Carbon Dioxide
COMEAP		Committee on Medical Effects of Air Pollutants
COPA		Control of Pollution Act (1974)
COV		Coefficient of Variance
CPO		Catalytic Particulate Oxidizer
CR-DPF		Continuously Regenerating Diesel Particulate Filter
CRS		Center for Resource Solutions
CRT		Continuously Regenerating Trap
CRT		Continuous Regenerating Technology
CSI		Certification Summary Information
CTG		Control Technique Guideline
CVS		Constant Volume Sample
CWMF		Catalyzed Wire Mesh Filter
DAR		Division of Air Resources
DEC		Department of Environmental Conservation
DECs		Diesel Emissions Control Systems
DEEP		Diesel Emissions Evaluation Program
DEER		Diesel Engine-Efficiency & Emissions Research
DEF		Diesel Exhaust Fluid
DEIL		Daily Existing Immission Load (German)
DEP		Department of Environmental Protection
DEQ		Department of Environmental Quality
DF		Deterioration Factor
DF		Dual-Fuel (Vehicle)
DG		Distributed Generation
DI		Direct Injection
DICE		Diesel Internal Combustion Engine
DLN		Dry Low NOx
DNT		Diesel NOx Trap
DOC		Diesel Oxidation Catalyst
DOC		Diesel Oxidation Converter
DOCM		Diesel Oxidation Converter Muffler
DOE		U.S. Department of Energy
DOT		Department of Transportation
DPF		Diesel Particulate Filter
DPFS		Diesel Particulate Filter System
DR		Demand Response
DPM		Diesel Particulate Matter
DRP		Demand Response Program
DRRP		Diesel Risk Reduction Plan
DSM		Demand Side Management
DSS/IPC		Decision Support System for Integrated Pollution Control
DVMT		Daily Vehicle Miles Traveled
EA		Environmental Agency
EA		Environmental Assessment
EC		Elemental Carbon
EC		European Community or European Commission
ECD		Emission Control Device
ECTs		Emission Control Technologies
ECX		European Climate Exchange
EDG		Emergency Diesel Generator
EEA		European Environment Agency
EEB		European Environment Bueau
EERE		Energy Efficiency & Renewable Energy (DOE)
EEV		Enhanced Environmentally Friendly Vehicle (EU)
EEV		European Environmentally-friendly Vehicle (EU)
EF		Emissions Factor
EFEG		Environmental Fuels Expert Group
EGF		Electric Generating Facility
EGO		Exhaust Gas Oxygen Sensor
EGR		Exhaust Gas Recirculation
EGU		Electrical Generating Units
EH&S		Environmental, Health & Safety
EIA		Energy Information Administration
EIA		Environmental Impact Assessment
EIC		Enforcement Initiation Criteria
EIIP		Emissions Inventory Improvement Program
EIR		Environmental Impact Report
EIS		Environmental Impact Statement
EISA		Energy Independence & Security Act
EJAC		Environmental Justice Advisory Committee
ELR		European Load Response
EMA		Engine Manufacturers Association
EMFAC		CARB emissions model for calculating on-road vehicle emissions
EMS		Environmental Management System
EPA		US Environmental Protection Agency
EPC		Environmental Performance Commitments
EPCRA		Emergency Planning & Community Right-to-Know Act
EPEFE		European Programme on Emissions, Fuels & Engine Technologies
EPER		European Polluted Emission Register (EU)
EPN		Emission Point Number (TX)
ERC		Emission Reduction Credit
ERIG		Emissions Reductions Incentive Grant
ES		Emission Source
E/S		Emergency Standby (Generator)
ESC		European Stationary Cycle
ESP		Electrostatic Precipitator
ETAP		Environmental Technologies Action Plan (EU)
ETC		European Transient Cycle
EtOH		Ethyl Alcohol (Ethanol)
ETV		Environmental Technology Verification (Program)
EU		European Union
EUETS		EU Emissions Trading System
EZEV		Equivalent Zero Emissions Vehicle
FBC		Fuel Borne Catalyst
FBN		Fuel-Bound Nitrogen
FC		Fuel Cell Vehicle
FCAA		Federal Clean Air Act
FDMS		Filter Dynamics Measurement System
FE		Fuel Economy
FEL		Federal Emission Limit
FELs		Family Emission Limits
FF		Flex-Fuel (Vehicle)
FONSI		Finding of No Significant Impact
FR		Federal Register
FSOR		Final Statement of Reasons
FTF		Flow Through Filter
FTP		US Federal Test Procedure
GC-MS		Gas Chromatography Mass Spectroscopy
GD		Gas Diesel
GDI		Gasoline Direct Injection
GEF		Global Environment Facility
GEP		Good Engineering Practice
GF		Green Fund
GGEC		Global Green Energy Consortium
GHG		Green House Gas
g/bhp-hr		Grams per brake horsepower-hour
g/bk kW-hr		Grams per brake kilowatt-hour
g/hp-hr		Grams per horsepower-hour
g/hr		Grams per hour
GIS		Geographic Information System
GJ		GigaJoule, (10 to the ninth power) Joules of Energy
g/km		Grams per kilometer
g/kW-hr		Grams per kilowatt-hour
GMES		Global Monitoring for the Environment and Security (EU)
g/mi		Grams per mile
gpm		Grams per mile
GRC		Governance, Risk & Compliance
GVWR		Gross Vehicle Weight Rating
GWP		Global-Warming Potential
HAPS		Hazardous Air Pollutants
HC		Hydrocarbons
HCCI		Homogeneous Charge Compressions Ignition
HCHO		Formaldehyde
HC-SCR		Hydrocarbon Selective Catalytic Reduction
HDD		Heavy Duty Diesel
HDDT		Heavy Duty Diesel Truck
HDE		Heavy-Duty Engine
HDV		Heavy-Duty Vehicle
HEIL		Hourly Existing Immission Load (German)
HHDDE		Heavy Heavy-Duty Diesel Engine
HHDE		Heavy Heavy-Duty Engine
HI		Hazard Index
HLDT		Heavy Light-Duty Truck
HOTFIRE		Homogeneous & Throttleless for Fuel Efficiency with Reduced Emissions
HP		Horsepower
HPCC		Highly Premixed Cool Combustion
HRSG		Heat Recovery Steam Generator
HV		Hybrid Electric Vehicle
IAPCS		Integrated Air Pollution Control System
IAQ		Indoor Air Quality
IAQR		Interstate Air Quality Rules
IC		Internal Combustion
ICAC		The Institute of Clean Air Companies
ICAT		Innovative Clean Air Technologies (ARB)
ICCT		International Council on Clean Transportation
ICE		Internal Combustion Engine
ICLEI		International Council for Local Environmental Initiatives
IDI		Indirect Diesel Injection
IEI		Initial Emissions Inventory
iF		Intake Fraction
IGCC		Integrated Gasification Combined Cycle (technology)
lbs/MMBtu		Pounds Per Million British Thermal Units
ILEV		Inherently Low-Emission Vehicle
IPCC		Intergovernmental Panel on Climate Change
IPPC		Integrated Pollution Prevention & Control (EU)
IPSP		Integrated Power System Plan
IRIS		Integrated Risk Information System
IRP		Integrated Resource Planning
ISA		Intedgrated Science Assessment
ISC		Interruptible Service Contract
ISC		Industrial Source Complex
ISIC		International Standard Industrial Classification
ISO		Independent System Operator
ISO		International Standards Organization
ISO		International Organization for Standardization
ISR		Indirect Source Review
ITR		Ignition Timing Retard
IUAPPA		International Union of Air Pollution Prevention & Environmental Protection Association
km		Kilometer
kN		Kilonewton
kW		Kilowatt
kWh		Kilowatt-Hours
LAAPC		Local Authority Air Pollution Control (UK)
LAER		Lowest Achievable Emission Rate
LAPC		Local Air Pollution Control (UK)
LCA		Life Cycle Analysis
LCFS		Low Carbon Fuel Standard
LCP		Large Combustion Plant
LCV		Light Commercial Vehicles
LDDV		Light Duty Diesel Vehicle
LDT		Light Duty Truck
LDV		Light Duty Vehicles
LE		Low Emission
LEC		Low Emissions Certificate
LEV		Low Emissions Vehicle
LEZ		Low Emission Zone
LFC		Low Fuel Consumption
LHDDE		Light Heavy-Duty Diesel Engine
LHDE		Light Heavy-Duty Engine
LLDT		Light Light-Duty Truck
LMOP		Landfill Methane Outreach Program
LNG		Liquefied Natural Gas
LNT		Lean NOx Trap
LOC		Light Off Catalyst
LSD		Low Sulfur Diesel Fuel (500 ppm)
LSI		Large Spark-Ignition (Engine)
LTC		Low-Temperature Combustion
LTSCA		Low Temperature Selective Catalytic & Adsorptive Reactor
MACT		Maximum Achievable Control Technology
MATES		Multiple Air Toxics Exposure Study (CA)
Max Hp		Maximum Horsepower
MCR		Maximum Continuous Rating
MDV		Medium Duty Vehicles
MECA		Manufacturers of Emissions Controls Association
MEI		Maximally Exposed Individual
MFC		Mass Flow Controller
MHDDE		Medium Heavy-Duty Diesel Engine
MK		Modulated-Kinetic Combustion
MMTCO2E		Million Metric Tons of CO2 Equivalents
MND		Mitigated Negative Declaration
MOA		Memorandum of Agreement
MON		Motor Octane Number
MPI		Multi-Pollutant Index
MRL		Maximum Risk Level
MSATs		Mobile Source Air Toxics
MSHA		Mine Safety & Health Administration
MSRC		Mobile Source Air Pollution Reduction Review Committee (CA)
MTBE		Methyl Tertiary-Butyl Ether
MW		Megawatt
MWe		Megawatts of Electricity
MW-hrs		Megawatt-hours
MY		Model Year
NAA		Non-Attainment Area
NAAEE		North American Association for Environmental Education
NAAQS		National Ambient Air Quality Standards
NAC		NOx Absorber Catalyst
NACAA		National Association of Clean Air Agencies
NBB		National Biodiesel Board
NBP		NOx Budget Trading Program (EPA)
NCDC		National Clean Diesel Campaign
NCP		Nonconformance Penalties
NEDC		New European Driving Cycle
NEPA		National Environmental Policy Act
NES		National Energy Strategy
NESCAUM		North Eastern States for Co-ordinated Air Use Management
NESHAP		National Emission Standards for Hazardous Air Pollutants
NGO		Non-governmental Organization
NGV		Natural Gas Vehicle
NH3		Ammonia
NHTSA		National Highway Traffic Safety Administration
NIOSH		National Institute for Occupational Safety and Health
NIST		National Institute of Standards and Technology
NLEV		National Low Emission Vehicle Standard
NMHC		Non-methane Hydrocarbons
NMOG		Non-methane Organic Gases
NNSR		Non-Attainment New Source Review
NO		Nitric Oxide
NO2		Nitrogen Dioxide
NOx		Nitrogen Oxides (oxides of nitrogen)
NRD		Non-Road Diesel
NRDC		Natural Resources Defense Council
NRML		National Risk Management Research Laboratory
NRSC		Non-Road Steady Cycle
NRTC		Non-Road Transient Cycle
NRTEE		National Round Table on the Environment & Economy
NSCR		Non-Selective Catalytic Reduction
NSPS		New Source Performance Standards
NSR		New Source Review
NSRC		NOx Storage and Reduction Catalyst
NTC		NOx Trap Catalyst
NTE		Not-to-Exceed limits (ARB)
NTRD		New Technology Research & Development
NYSERDA		New York State Energy Research & Development Authority
O2		Oxygen
O3		Ozone
OAL		Office of Administrative Law (California)
OAQPS		Office of Air Quality Planning & Standards (EPS)
OAR		Office of Air and Radiation (U.S. EPA)
OBD(E)		Onboard Diagnostics (Europe)
OBM		Onboard Measurement (Emissions)
OD		Operational Directive
ODP		Ozone Depletion Potential
ODS		Ozone Depleting Substance
OE(M)		Original Equipment (Manufacturer)
OEHHA		Office of Environmental Health Hazard Assessment
OEMFAC		Overall Emission Factor
ORIAG		Off-Road Implementation Advisory Group
OSC		Oxygen Storage Capacity
OSHA		Occupational Safety & Health Administration
OTAQ		Office of Transportation and Air Quality
P		Rated power of engine family in kilowatts
PAH		Polycyclic Aromatic Hydrocarbon
PAM		Photochemical Assessment Monitoring Stations
Pb		Lead
PCI		Premixed Compression Ignition
PEIS		Programmatic Environmental Impact Statement
PEMS		Portable Emissions Measurement System
PERP		Portable Equipment Registration Program
PGE		Platinum Group Elements (Pt, Pd, Rh, Ir, Ru, Os)
PGM		Platinum Group Metals (Pt, Pd, Rh, Ir, Ru, Os)
PHEVs		Plug-In Hybrid Electric Vehicles
PIC		Product of Incomplete Combustion
PM		Particulate Matter
PM 0.1		Particulate Matter less than or equal to 0.1 micron in diameter
PM 1		Particulate Matter less than or equal to 1 micron in diameter
PM 2.5		Particulate Matter less than or equal to 2.5 microns in diameter
PM 10		Particulate Matter less than or equal to 10 microns in diameter
PMP		Particulate Measurement Programme (EU)
PPAH		Pollution Prevention & Abatement Handbook (World Bank)
ppb		Parts Per Billion
PPC		Pollution Prevention and Control
ppm		Parts Per Million
ppmv		Parts Per Million by Volume
ppmw		Parts Per Million by Weight
PRTR		Pollutant Release and Transfer Registry
PSD		Prevention of Significant Deterioration
PTE		Potential to Emit
PZEV		Partial Zero Emission Vehicle
QA		Quality Assurance
QAPP		Quality Assurance Project Plan
QC		Quality Control
R&D		Research & Development
RACM		Resonably Available Control Measure
RACT		Reasonably Available Control Technology
RBRP		Rolling Blackout Reduction Program
RES		Renewable Electricity Standard
RES		Renewable Energy Standard
RFG		Reformulated Gasoline
RFS		Renewable Fuels Standard
RGGI		Regional Greenhouse Gas Initiative
RIA		Regulatory Impact Analysis
RICE MACT		Reciprocating Internal Combustion Engine Maximum Achievable Control Technology
rO		Rated Output
ROC		Reactive Organic Compounds
ROG		Reactive Organic Gases
RON		Research Octane Number
RPM		Revolutions Per Minute
rPR		Rated Pressure Ratio
RRI		Rich Reagent Injection
RTD		Resistive Thermal Device
SAE		Society of Automotive Engineers
SCAQMD		South Coast Air Quality Management District (California)
SCR		Selective Catalytic Reduction
SECA		Sulphur Emissions Control Area (EU)
SEPA		State Environmental Protection Administration
SEQRA		State Environmental Quality Review Act
SERG		Smart Energy Resources Guide (EPA)
SET		Supplemental Emission Test
SF		Single Fuel Vehicle
SFC		Specific Fuel Consumption
SFTP		Supplemental Federal Test Procedure
SGIP		Self-Generation Incentive Program
SI		Spark Ignition
SiC		Silcon Carbide
SIL		Significant Impact Level
SIP		State Implementation Plan
SMC		Significant Monitoring Concentration
SMPS		Scanning Mobility Particle Sizer
SN		Smoke Number
SNCR		Selective Non-Catalytic Reduction
SO2		Sulfur Dioxide
SOF		Solid Organic Fraction
SOP		Standard Operating Procedure
SOP		Statement of Principles
SOx		Sulfur Oxides
SPM		Suspended Particulate Matter
SRES		Special Report on Emission Scenarios
SSEC		Stationary Source Emissions Control
SSM		Start-Up, Shutdown & Malfunction
STAR		Science to Achieve Results Grant Program (EPA)
STARS		State of Texas Air Reporting System
STIG		Steam Injected Gas Turbine
SULEV		Super-Ultra-Low Emission Vehicle
SVOCs		Semi-volatile Organic Compounds
TAC		Toxic Air Contaminant
T-BACT		Toxics - Best Available Control Technology
TCE		Trichloroethylene
TCEQ		Texas Commission on Environmental Quality
TERC		Texas Environmental Research Consortium
TERP		Texas Emissions Reduction Program
TEWI		Total Equivalent Warming Impact
THC		Total Hydrocarbons
THCE		Total Hydrocarbon Equivalent
TLEV		Transitionally Low-Emissions Vehicle
TOU		Time-of-Use
TPD		Tons Per Day
TPM		Total Particulate Matter
TPSR		Temperature Programmed Surface Reation
TPY		Tons Per Year
TRI		Toxic Release Inventory
TRS		Total Reduced Sulfur
TSP		Total Suspended Particulates
TSPM		Total Suspended Particulate Matter
TWC		Three-Way Catalyst
ULEV		Ultra Low-Emissions Vehicle (CARB standard)
ULSD		Ultra Low Sulfur Diesel
VDECS		Verified Diesel Emission Control Systems
VEMS		Visible Emissions Monitoring System
VERT		Verminderung der Emissionen Realer Dieselmotoren im Tunnelbau (German) - English: Reduction of Diesel-emissions in Tunnelling
VMT		Vehicle Miles Traveled
VOC		Volatile Organic Compounds
VVA		Variable Valve Actuation
ZEV		Zero Emission Vehicle