• Accidental Release Information Program (ARIP) Factsheet
• Chemical Information Collection and Data Development (Testing) links and general info
• National Biennial RCRA Hazardous Waste Report: Documents and Data from EPA
• National Response Center data
• Resource Conservation Recovery Act (RCRA) information from EPA
• Risk Management Plan (RMP) information from EPA
• Superfund Information Systems
• Toxics Release Inventory (TRI)

• Clean Air Act
• Clean Water Act
• Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA)
• Emergency Planning and Community Right-to-know Act (EPCRA)
• Resource Conservation and Recovery Act (RCRA)

• CDC Toxics Factsheets
• Clary-Meuser Research Network
• Fact Sheets on Drinking Water Contaminants
• National Pesticide Information Center
• New Jersey RTK Program
• OpenTheGovernment.org RTK Resource Center
• UAW Health and Safety Chemical Information

• Importing Search Results Into a Spreadsheet or Database
• Brief Guide to Reverse DNS Lookup
• Status of RTK NET Databases
  More RTK NET help information is located in the Help section.

• Poisonous Procedural "Reform": In Defense of Environmental Right to Know
• The Right to Know: Environmental Information Disclosure by Government and Industry

• Alliance for Healthy Homes
• Beyond Pesticides
• Center for Science in the Public Interest
• Children's Health Environmental Coalition
• Ecology Center of Ann Arbor
• Environmental Defense
• Environmental Health Coalition
• Environmental Justice Resource Center
• Environmental Working Group
• International Right-to-Know Campaign
• National Environmental Trust
• Greenpeace
• Natural Resources Defense Council
• Ohio Citizen Action
• OMB Watch
• OpenTheGovernment.org
• Oregon Environmental Council
• Pesticide Action Network North America
• Physicians for Social Responsibility
  
• USPIRG
• Working Group on Community Right-to-Know

• CensusScope - an easy-to-use tool for investigating U.S. demographic trends.
• U.S. Census Bureau - site contains census maps and data in a range of formats.
• USGS National Atlas -designed to provide a reliable summary of national-scale geographical information.
• Landview / U.S. Census Department. General Landview information.
  
• Landview Tutorial & technical documentation.

Energy data

• Energy Citations - contains bibliographic records for energy and energy-related scientific and technical information from the Department of Energy (DOE) and its predecessor agencies.
• EnergyFiles - combines information, tools, and technologies to facilitate access to and use of scientific resources pertaining to science and technology of interest to the Department of Energy.
• The Energy Information Administration site - offers a plethora of energy data by a variety of criteria such as geography, sector, and process.
• Energy Technology Data Exchange's Energy Database - contains the world's largest collection of energy literature, with more than 3.8 million abstracted and indexed records.
• The Nuclear Energy Institute - provides nuclear industry data.
• The Renewable Resource Data Center - provides information on several types of renewable energy resources in the United States, in the form of publications, data, and maps.

Environmental data

• AirNow - provides information on current and future air quality and health effects.
• Clary-Meuser Research Network (Mapcruzin) - performs environmentally oriented GIS analysis and has developed WebMap tools such as an interactive TRI map. It also provides a list of reports, data, maps, and other information that has been taken off-line or made unavailable since September 11, 2001.
• ECHO - find information on compliance inspections and enforcement action taken in response to environmental law violations.
• Envirofacts - a single point of access to several EPA databases.
• Environmental Justice Geographic Assessment Tool - provides national information relevant to environmental justice assessments in four general sets of indicators, i.e., environmental, health, social, and economic.
• Local Emergency Planning Committee (LEPC) Database Search for LEPC by zip code, state, name and/or address.
• The National Library of Medicine's TOXNET - a cluster of databases on toxicology, hazardous chemicals and related areas provides a searchable TRI Database.
• Scorecard - a source for free and easily accessible local environmental information. Simply type in a zip code to learn about environmental issues in your community.
• Surf Your Watershed - a service to help you locate, use, and share environmental information about your state and watershed.
• Tox Town - an introduction to toxic chemicals and environmental health risks you might encounter in everyday life, in everyday places.
• Vulnerable Zone Indicator System - allows you to quickly find out if an address of interest to you - your home, place of work, or child's school - could be affected by a chemical accident.
• Window to My Environment - is a powerful web-based tool that provides a wide range of federal, state, and local information about environmental conditions and features in an area of your choice.

Labor data

• Current Labor Statistics - from the print edition of Monthly Labor Review.
• Occupational Safety & Health Administration - data from the Department of Labor.
• U.S. Department of Labor Bureau of Labor Statistics - provides various labor statistics and data.

Transportation data

• Highway Statistics - annual report from the Federal Highway Administration
• Intermodal Transportation Database - transportation data from the Bureau of Transportation Statistics.
• North American Transportation Data - set of geospatial data sets for transportation facilities in Canada, Mexico, and the United States.
• Transportation Energy Data Book - the Department of Energy published the book, which contains transportation data from diverse sources.

• FedStates. Access to a broad range of federal statistical information and searchable databases.