Skip to main content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it's official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you're on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Abbreviations & Acronyms: E-I

Note: Some acronyms have more than one meaning. Multiple meanings are listed, separated by semi-colons.

A   B   C   D   E   F   G   H   I   J   K   L   M   N   O   P   Q   R   S   T   U   V   W   X   Y   Z

E

E-SMART: Environmental Sensing and Monitoring System

EAF: Electric Arc Furnaces

EAP: Environmental Action Plan

EB: Emissions Balancing

EC: Electrical Conductivity; Emulsifiable Concentrate; Environment Canada; Effective Concentration

EC2: Environmental Cost Engineering Committee

ECD: Electron Capture Detector

ECES: Environmental Cost Element Structure

ECHH: Electro-Catalytic Hyper-Heaters

EDB: Ethylene Dibromide

EDC: Ethylene Dichloride

EDS: Electronic Data System; Energy Data System

EDTA: Ethylenediaminetriacetic Acid

EGIS: Environmental and Geographical Information System

EH: Redox Potential

EIA: Environmental Impact Assessment. Economic Impact Assessment

EIS: Environmental Impact Statement; Environmental Inventory System

EJ: Environmental Justice

EL: Exposure Level

EM: Electromagnetic Conductivity; Office of Environmental Management; Engineer Manual

EMAP: Environmental Mapping and Assessment Program

EO: Ethylene Oxide

EOC: Emergency Operating Center

EOF: Emergency Operations Facility

EOP: End Of Pipe

EPA: United States Environmental Protection Agency

EPCA: Energy Policy and Conservation Act

EPACT: Environmental Policy Act

EPCRA: Emergency Planning and Community Right to Know Act

EPRI: Electric Power Research Institute

EPTC: Extraction Procedure Toxicity Characteristic

ER: Ecosystem Restoration; Environmental Restoration

ERT: Emergency Response Team; Electrical Resistance Tomography

ESCA: Electron Spectroscopy for Chemical Analysis

ESECA: Energy Supply and Environmental Coordination Act

ESH: Environmental Safety and Health

ESP: Electrostatic Precipitators

ESTCP: Environmental Security Technology Certification Program

ETV: Environmental Technology Verification Program

back to top

F

FACA: Federal Advisory Committee Act

FBC: Fluidized Bed Combustion

FCC: Fluid Catalytic Converter

FCCC: Framework Convention on Climate Change

FCO: Federal Coordinating Officer (in disaster areas); Forms Control Officer

FERC: Federal Energy Regulatory Commission

FF: Federal Facilities

FFEO: Federal Facilities Enforcement Office

FFFSG: Fossil-Fuel-Fired Steam Generator

FGD: Flue-Gas Desulfurization

FID: Flame Ionization Detector

FIFRA: Federal Insecticide, Fungicide, and Rodenticide Act

FO-LIBS: Fiber-Optic Laser Induced Breakdown Spectroscopy

FOIA: Freedom Of Information Act

FOISD: Fiber Optic Isolated Spherical Dipole Antenna

FP: Fine Particulate

FPD: Flame Photometric Detector

FPPA: Federal Pollution Prevention Act

FPXRF: Field-Portable X-ray Fluorescence

FRTR: Federal Remediation Technologies Roundtable

FS: Feasibility Study

FUDS: Formerly Used Defense Sites

FWCA: Fish and Wildlife Coordination Act

FWPCA: Federal Water Pollution and Control Act (aka CWA). Federal Water Pollution and Control Administration

FY: Fiscal Year

back to top

G

GAC: Granular Activated Carbon

GACT: Granular Activated Carbon Treatment

GC/MS: Gas Chromatograph/Mass Spectograph

GCW: Groundwater Circulation Well

GEMS: Global Environmental Monitoring System; Graphical Exposure Modeling System

GFF: Glass Fiber Filter

GIS: Geographic Information Systems; Global Indexing System

GLC: Gas Liquid Chromatography

GLNPO: Great Lakes National Program Office

GMCC: Global Monitoring for Climatic Change

G/MI: Grams per mile

GPG: Grams-per-Gallon

GPR: Ground-Penetrating Radar

GPRA: Government Performance and Results Act

GPS: Groundwater Protection Strategy; Global Positioning System

GR: Grab Radon Sampling

GRGL: Groundwater Residue Guidance Level

GT: Gas Turbine

GVP: Gasoline Vapor Pressure

GVW: Gross Vehicle Weight

GVWR: Gross Vehicle Weight Rating

GW: Grab Working-Level Sampling. Groundwater

GWDR: Ground Water Disinfection Rule

GWM: Groundwater Monitoring

GWP: Global Warming Potential

GWPS: Groundwater Protection Standard; Groundwater Protection Strategy

back to top

H

HAP: Hazardous Air Pollutant

HAPPS: Hazardous Air Pollutant Prioritization System

HAZMAT: Hazardous Materials

HBFC: Hydrobromofluorocarbon

HC: Hazardous Constituents; Hydrocarbon

HCCPD: Hexachlorocyclo-pentadiene

HCFC: Hydrochlorofluorocarbon

HCP: Hypothermal Coal Process

HDPE: High Density Polyethylene

HEM: Human Exposure Modeling

HEPA: High-Efficiency Particulate Air

HEPA: Highly Efficient Particulate Air Filter

HERS: Hyperion Energy Recovery System

HFC: Hydrofluorocarbon

HI: Hazard Index

HI-VOL: High-Volume Sampler

HLRW: High Level Radioactive Waste

HMTA: Hazardous Materials Transportation Act

HMTR: Hazardous Materials Transportation Regulations

HOC: Halogenated Organic Carbons

HON: Hazardous Organic NESHAP

HPLC: High-Performance Liquid Chromatography

HRS: Hazardous Ranking System

HSL: Hazardous Substance List

HSWA: Hazardous and Solid Waste Amendments

HTRW: Hazardous, Toxic, and Radiological Waste

HVAC: Heating, Ventilation, and Air-Conditioning system

HW: Hazardous Waste

HWIR: Hazardous Waste Identification Rule

HWM: Hazardous Waste Management

back to top

I

I/A: Innovative/Alternative

IADN: Integrated Atmospheric Deposition Network

IAG: Interagency Agreement

IAQ: Indoor Air Quality

IC: Internal Combustion

ICAP: Inductively Coupled Argon Plasma

ICCP: International Climate Change Partnership

ICP: Inductively Coupled Plasma

ICRE: Ignitability, Corrosivity, Reactivity, Extraction

ICS: Incident Command System

IFPP: Industrial Fugitive Process Particulate

IGCC: Integrated Gasification Combined Cycle

IINERT: In-Place Inactivation and Natural Restoration Technologies

I/M: Inspection/Maintenance

IMPACT: Integrated Model of Plumes and Atmosphere in Complex Terrain

IOB: Iron Ore Beneficiation

IP: Inhalable Particles

IPM: Integrated Pest Management

IRIS: Instructional Resources Information System. Integrated Risk Information System

IRM: Intermediate Remedial Measures

IRP: Installation Restoration Program

IRRP: Installation Restoration Research Program

IS: Interim Status

ISE: Ion-specific electrode

ISPFS: In Situ Permeable Flow Sensor

ISO: International Organization for Standardization

ITMS: Ion Trap Mass Spectrometer

ITRC: Interstate Technology & Regulatory Council; Interstate Technology Regulatory Coordination

IWS: Ionizing Wet Scrubber

back to top

More Abbreviations and Acronyms A-D | J-Q | R-Z