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Terminology Services

Vocabulary Catalog

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Indicates the vocabulary is included in the EPA's terminology repository.

Vocabulary Name	Publishing Organization	Topics
Nearshore Terrestrial Ecosystems Glossary	Office of Water/Office of Wetlands, Oceans and Watersheds	Ecosystems, Water	Description: Glossary of terms used in the Report for Nearshore Terrestrial Ecosystems
Exploring Estuaries Glossary	Office of Water/Office of Wetlands, Oceans and Watersheds	Ecosystems, Water	Description: Technical terms related to estuaries
Aquatic Biodiversity Glossary	Office of Mission Support	Ecosystems, Water	Description: A glossary of terms used for aquatic biodiversity
Core Ecosystem Services Research Program Standard Lexicon	Office of Research and Development/Ecosystem Services Research Program	Ecosystems, Science & Research	Description: A set of defined terms for consistent use in the Ecosystem Services Research Program. It provides the core ESRP terms with their preferred definitions.
Chesapeake Bay Glossary	Region 3/Chesapeake Bay Program	Ecosystems, Water	Description: The Bay Program glossary is a quick reference guide for citizens, students, researchers, conservation professionals and others to understand the terms used to describe the Chesapeake Bay, its ecosystem and the Bay Program's restoration efforts.
Acid Rain Glossary	Office of Air and Radiation/Office of Atmospheric Protection/Clean Air and Power Division	Air, Ecosystems	Description: Definitions of key terms pertaining to acid rain
Hudson River PCBs Glossary of Terms	Region 2	Chemicals/Toxics/Pesticides, Ecosystems, Water	Description: Selected words or terms critical to the understanding of the Hudson River PCBs Reassessment
Great Lakes: Quality Management Training - Data Review Glossary	Region 5/Great Lakes National Program Office	Ecosystems, Policy & Guidance, Science & Research, Water	Description: Glossary of data review and related terms used for the Great Lakes Quality Management Training Modules.
Great Lakes: Quality Management Training - Quality Glossary	Region 5/Great Lakes National Program Office	Ecosystems, General Environmental, Policy & Guidance, Water	Description: Glossary of quality-related terms used for the Great Lakes Quality Management Training Modules.
Great Lakes Quality Mgmt Plan Glossary	Region 5/Great Lakes National Program Office	Ecosystems, Policy & Guidance, Water	Description: Glossary from the revised Great Lakes National Program Office Quality Management Plan Revision:03 (May 2008).
Chesapeake Bay TMDL Glossary	Region 3/Water Protection Division/Air Protection Division/Office of Regional Counsel; Region 3/Chesapeake Bay Program Office; Region 2/Division of Environmental Planning and Protection	Ecosystems, Water	Description: Glossary of terms from the Chesapeake Bay Total Maximum Daily Load for Nitrogen, Phosphorus and Sediment Document
Acid Rain Students Site: Glossary	Office of Air and Radiation/Office of Atmospheric Protection/Clean Air and Power Division	Air, Ecosystems	Description: Definition of terms to help educate students about acid rain.
Lake Erie Lakewide Management Plan (LaMP) Glossary	Region 5/Great Lakes National Program Office	Ecosystems, Water	Description: A key source of Great Lakes environmental information
Wadeable Streams Assessment Glossary of Terms	Office of Water/Office of Wetlands, Oceans and Watersheds	Ecosystems, Water	Description: Glossary of terms cited in the Wadeable Streams Assessment
National Ecosystem Classification System (NESCS) Plus Glossary	Office of Research and Development	Ecosystems	Description: The National Ecosystems Classification System-Plus (NESCS Plus, pronounced “nex-us plus”) is a robust, step-by-step resource for tracing the links between natural ecosystems and human well-being. The main purpose of NESCS Plus is to serve as a framework for analyzing how changes to ecosystems impact human welfare. This system can aid in the analysis of different types of environmental management actions, policies, and regulations. Potential applications include, but are not limited to, cost-benefit analysis of environmental programs, natural capital accounting, and measurement of “green” gross domestic product (green GDP). Though NESCS Plus is not a valuation or accounting system, it is designed to support systematic and comprehensive accounting of changes in final ecosystem services (FES).
Pest Patrol Glossary	Office of Chemical Safety and Pollution Prevention/Office of Pesticide Programs	Chemicals/Toxics/Pesticides, Ecosystems	Description: Glossary of terms from the Activity Book: Join Our Pest Patrol: A Backyard Activity Book for Kids on Integrated Pest Management.
EPA ExpoBox Terminology	Office of Research and Development	Chemicals/Toxics/Pesticides, Ecosystems, Land, Waste, & Cleanup, Science & Research	Description: Definitions for terms referenced on the EPA-Expo-Box website. Definitions were obtained from multiple sources. Sources include the Exposure Factors Handbook: 2011 Edition and the 1992 Guidelines for Exposure Assessment, among others.

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