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Contaminants  Any element, substance, compound, or mixture that, after release into the environment and upon exposure, ingestion, inhalation, or assimilation into any organism, will or may reasonably be anticipated to cause illness, death, or deformation in any organism. The definition of pollutant or contaminant specifically excludes petroleum and natural gas. -  From RCRA Orientation Manual 2008 Glossary
  - Search all glossaries for terms containing contaminants

Notification: Review of Public Protections From Mercury Contamination in Fish
The Office of Inspector General (OIG) for the U.S. Environmental Protection Agency (EPA) plans to begin research on existing public protections for mercury contamination in fish.
Technologies for Cleaning Up Contaminated Sites
This site provides information on characterization, monitoring, and remediation technologies as well as serves a forum for the hazardous waste remediation community through several technology information transfer initiatives and partnerships.
Water Quality Surveillance and Response
This website provides information to drinking water utilities to help them identify and respond to water quality problems, including contamination in the distribution system.
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Indoor Environmental Contaminants in Schools
A wide range of environmental contaminants can affect the health and safety of a school environment. This page covers the basics on issues your school may face, including asbestos, chemicals, formaldehyde, lead, mercury, PCBs and radon.
Biological Pollutants' Impact on Indoor Air Quality
Biological contaminants include bacteria, molds, mildew, viruses, animal dander and cat saliva, house dust, mites, cockroaches, and pollen.
A Best Practices Guide for Talking to your Customers about Chronic Contaminants in Drinking Water
This fact sheet helps one to understand the importance of communicating with the public about chronic contaminants – both regulated and unregulated. It also describes effective strategies for getting your message out.
Appendix A to Subpart O - Regulated Contaminants
Table containing maximum contaminant levels (MCLs), MCLs in CCR-regulated units, maximum contaminant level goals (MCLGs), major sources of and health effects language for all regulated contaminants that must be reported in the CCR, if detected.
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Contaminants of Emerging Concern | Contaminants of ...
Contaminants of Emerging Concern
Drinking Water Contaminants | Drinking Water Contaminants ...
Drinking Water Contaminants
Contaminant, Media, and Site Type-Specific Remedy Guidance
Guidance for site-specific conditions related to media and contaminant type as well as for types of Superfund sites.
Contaminant, Media, and Site Type-Specific Consultation Directives
Policies and Guidance for Headquarters Consultation related to contaminant, media, and site type-specific Superfund cleanups.
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Guidance for Assessing Chemical Contaminant Data for Use in Fish Advisories, Volume 2, Risk Assessment and Fish Consumption Limits Third Edition from November 2000
Provides guidance on the development of risk-based meal consumption limits for fish and shellfish for 25 high-priority contaminants.
Contaminants of Concern (COC) at Underground Storage Tank (UST) Sites
Learn about contaminants of concern and cleanup levels at underground storage tank (UST) releases.
Frequency and Extent of Dispenser Releases at Underground Storage Tank Facilities in South Carolina
Review the results of information collected and analyzed from underground storage tank (UST) closure and assessment reports at sites in South Carolina.
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Access the Water Contaminant Information Tool
Get information about the Water Contaminant Information Tool (WCIT).
Water Contaminant Information Tool Registration
This document contains setp-by-step instructions on how to register for the Water Contaminant Information Tool (WCIT).
Basic Information about Regulated Drinking Water ...
Basic Information about Regulated Drinking Water Contaminants and Indicators
National Drinking Water Regulations MCL Booklet May 20092011-09-10
... MCLG for this contaminant group, there are individual MCLGs for criteria for
avoiding filtration so that the following contaminants are controlled at ...
Major Contaminants | Contaminated Sediments | US EPA
Major Contaminants
National Contaminant Occurrence Database (NCOD) ...
National Contaminant Occurrence Database (NCOD)
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