A:
Agency for Toxic Substances and Disease Registry (ATSDR) - Toxic Substance Portal - Public health information on exposure to hazardous substances from waste sites, unplanned releases, and other sources of pollution present in the environment [Department of Health and Human Services (HHS), Centers for Disease Control and Prevention (CDC)]

Air Quality Where You Live - Provides links to information about the air quality in the U.S. [Environmental Protection Agency (EPA)]

Analytical Environmental Chemistry. - This site provides information about Analytical Environmental Chemistry research that includes topics such as Pharmaceuticals and Personal Care Products (PPCPs) as Environmental Pollutants and Environmental Forensics. [Environmental Protection Agency (EPA), National Exposure Research Laboratory (NERL)]

C:
Cell Phones - Consumer Information about Wireless Phones [Department of Health and Human Services (HHS), Food and Drug Administration (FDA), Federal Communications Commission (FCC)]

Cleanup (Brownfields) - Brownfields are abandoned, idled, or under-used industrial and commercial facilities where expansion or redevelopment is complicated by real or perceived environmental contamination [Environmental Protection Agency (EPA)]

Climate for Action - Get smart on how you can help children's health by saving energy [Environmental Protection Agency (EPA)]

Computer-Aided Management of Emergency Operations (CAMEO) - A system of software applications used widely to plan for and respond to chemical emergencies [Department of Commerce (DOC), National Oceanic and Atmospheric Administration (NOAA); Environmental Protection Agency (EPA)]

D:
DOE Office of Environmental, Safety, and Health (ES&H) - Provides corporate leadership for Department of Energy (DOE) environmental, safety and health programs [Department of Energy (DOE)]

E:
Earth’s Water Cycle in a Changing Climate - Webcast of a presentation at the Library of Congress by Peter Hildebrand, chief of the Hydrospheric and Biospheric Sciences Laboratory at NASA Goddard Space Flight Center. [Library of Congress, Science, Technology and Business Division]

Ecosystems - Community based environmental protection [Environmental Protection Agency (EPA)]

Ecosystems Research. - The Ecosystems Research Division (ERD), of the NERL, conducts process, modeling, and field research to assess the exposure risks of humans and ecosystems to chemical and non-chemical stressors. [Environmental Protection Agency (EPA)]

Emergency Management - Concerned with providing assistance to prevent and prepare for emergencies, respond to environmental crises, and inform the public about hazards in their community [Environmental Protection Agency (EPA)]

Enviro-Health Links - Hurricanes: Links to Information about Preparedness, Recovery, and Environmental Health - Links to federal government and state agency web resources on hurricanes, including toxicology and environmental health information. [Department of Health and Human Services (HHS), National Inst. of Health (NIH), National Library of Medicine (NLM)]

Environment and human health - Home page for USGS research on the relationship of environment and health with links to fact sheets, reports, projects and programs, Human Health database and meetings and conferences. [Department of the Interior, U.S. Geological Survey (USGS)]

Environmental Health Science Education - Provides science education resources on Environmental Health aimed at students, teachers, and scientists. [Department of Health and Human Services (HHS), National Inst. of Health (NIH), National Institute of Environmental Health Sciences (NIEHS)]

F:
Fire Research and Management Exchange System (FRAMES) - Interagency fire science program that facilitates the integration and retrieval of comprehensive data and information needed to support fire management and research. [Department of the Interior, U.S. Geological Survey (USGS), National Biological Information Infrastructure (NBII)]

G:
Global Change Research Program - Research on understanding the potential consequences of climate variability and change on human health, ecosystems, and socioeconomic systems [Environmental Protection Agency (EPA)]

H:
Health Risk Assessments - For specific chemicals [Environmental Protection Agency (EPA)]

Household Products Database - Health & Safety Information on Household Products [Department of Health and Human Services (HHS), National Inst. of Health (NIH), National Library of Medicine (NLM), Specialized Information Services]

Human Exposure & Atmospheric Sciences. - Human Exposure & Atmospheric Sciences, of the National Exposure Research Laboratory, conducts research to characterize pollutant exposures from the pollutant source to the exposed person or receptor. [Environmental Protection Agency (EPA), National Exposure Research Laboratory (NERL)]

Human Health, Recommended EPA Web pages - Links to EPA web site pages related to environmental health issues [Environmental Protection Agency (EPA)]

I:
Integrated Risk Information System (IRIS) - Toxicology database which contains data in support of human health risk assessment [Department of Health and Human Services (HHS), National Inst. of Health (NIH), National Library of Medicine (NLM), Specialized Information Services (SIS)]

M:
Microbiological & Chemical Exposure Assessment Research. - Microbiological and Chemical Exposure Assessment Research Division, of the NERL, conducts research to measure, characterize and predict the exposure of humans to chemical and microbial hazards. [Environmental Protection Agency (EPA), National Exposure Research Laboratory (NERL)]

Microbiology (EPA). - The purpose of this site is to provide access to microbiology related information that has been developed or managed by EPA. EPA methods related to bacteria, viruses and protozoans can be found at this site. [Environmental Protection Agency (EPA)]

Modeling Subsurface Transport of Petroleum Hydrocarbons. - This site provides calculators for formulas, models, unit conversion factors, and scientific demonstrations to access the impacts from ground water contaminants. [Environmental Protection Agency (EPA)]

N:
National Center for Environmental Assessment (NCEA) - Develops dose-response and exposure models, conducts assessments of contaminants, and provide guidance and support to risk assessors [Environmental Protection Agency (EPA)]

National Center for Environmental Health (NCEH) - Research in the laboratory and in the field to investigate the effects of the environment on health [Department of Health and Human Services (HHS), Centers for Disease Control and Prevention (CDC)]

National Contaminant Occurrence Database (NCOD) - This site provides a listing of water sample analytical data that EPA is currently using and has used in the past for analysis, rulemaking, and rule evaluation. [Environmental Protection Agency (EPA)]

National Exposure Research Laboratory (NERL) - NERL conducts research and development that leads to improved methods, measurements and models to assess and predict exposures of humans and ecosystems to harmful pollutants and other conditions in air, water, soil, and food. [Environmental Protection Agency (EPA), National Exposure Research Laboratory (NERL)]

National Institute of Environmental Health Sciences (NIEHS) - Studies how human disease results from three interactive elements: environmental factors, individual susceptibility, and age [Department of Health and Human Services (HHS), National Inst. of Health (NIH)]

O:
Office of Children's Health Protection (OCHP) - Offers information on pollutant health effects and related resources [Environmental Protection Agency (EPA)]

R:
Record Group 442: Records of the Centers for Disease Control and Prevention, 1921 - 2002 - National Archives' Archival Research Catalog description for Record Group 442: Records of the Centers for Disease Control and Prevention, 1921 - 2002 [National Archives and Records Administration (NARA)]

Record Group 571: Records of the Pipeline and Hazardous Materials Safety Administration, ca. 2005 - ca. 2006 - National Archives' Archival Research Catalog description for Record Group 571: Records of the Pipeline and Hazardous Materials Safety Administration, ca. 2005 - ca. 2006 [National Archives and Records Administration (NARA)]

Risk Assessment Information System - The RAIS contains Risk Assessment Tools and Information. The Risk Assessment Tools include: Risk-Based Preliminary Remediation Goal (PRG) calculations, a Toxicity data base, Risk Calculations, and Ecological Benchmarks. [Department of Energy (DOE), Oak Ridge National Laboratory (ORNL)]

S:
Science at FDA page - A portal to information on the various science-based activities at the FDA [Department of Health and Human Services (HHS), Food and Drug Administration (FDA)]

T:
TOXNET - Collection of databases covering toxicology, hazardous chemicals, and related areas [Department of Health and Human Services (HHS), National Inst. of Health (NIH), National Library of Medicine (NLM), Specialized Information Services (SIS)]

W:
Waterways Experiment Station Environmental Laboratory - Examines the interaction between man and the environment [Department of Defense (DOD), Department of the Army, U.S. Army Corps of Engineers (USACE), Engineer Research and Development Center]

Wetlands, oceans, watersheds - The area that drains to a common waterway [Environmental Protection Agency (EPA)]

William R. Wiley Environmental Molecular Sciences Laboratory (EMSL) - Research is on focused on developing a molecular-level understanding of the physical, chemical and biological processes that underlie the most critical environmental issues [Department of Energy (DOE), Pacific Northwest National Laboratory (PNNL)]