Term	Acronym	Vocabulary	Vocabulary Type	Preferred Term	Definitions	
Inorganic and Organic Contaminants	IOC		Abbreviation and Acronym List			
inorganic contaminants		Safe Drinking Water Act Glossary 	Glossary and Key Word List		Definition: Mineral-based compounds such as metals, nitrates, and asbestos. These contaminants are naturally-occurring in some water, but can also get into water through farming, chemical manufacturing, and other human activities.
	
Inorganic Contaminants		Drinking Water Glossary 	Glossary and Key Word List		Definition: Mineral-based compounds such as metals, nitrates, and asbestos. These contaminants are naturally-occurring in some water, but can also get into water through farming, chemical manufacturing, and other human activities. EPA has set legal limits on 15 inorganic contaminants.
	
Organic Contaminants		Drinking Water Glossary 	Glossary and Key Word List		Definition: Carbon-based chemicals, such as solvents and pesticides, which can get into water through runoff from cropland or discharge from factories. EPA has set legal limits on 56 organic contaminants.
	
organic contaminants		Safe Drinking Water Act Glossary 	Glossary and Key Word List		Definition: Carbon-based chemicals, such as solvents and pesticides, which can get into water through runoff from cropland or discharge from factories.
	
Organic Contaminants		DWMAPS Glossary 	Glossary and Key Word List		Definition: Carbon-based chemicals, such as solvents and pesticides, which can get into water through runoff from cropland or discharge from factories. As of the 2012 definition, EPA has set legal limits on 56 organic contaminants.