List of Superfund sites in Missouri - AbsoluteAstronomy.com

This is a list of Superfund sites in Missouri designated under the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) environmental law. The CERCLA federal law of 1980 authorized the United States Environmental Protection Agency

United States Environmental Protection Agency

The U.S. Environmental Protection Agency is an agency of the federal government of the United States charged with protecting human health and the environment, by writing and enforcing regulations based on laws passed by Congress...

(EPA) to create a list of polluted

Pollution

Pollution is the introduction of contaminants into a natural environment that causes instability, disorder, harm or discomfort to the ecosystem i.e. physical systems or living organisms. Pollution can take the form of chemical substances or energy, such as noise, heat or light...

locations requiring a long-term response to clean up hazardous material contaminations. These locations are known as Superfund

Superfund

Superfund is the common name for the Comprehensive Environmental Response, Compensation, and Liability Act of 1980 , a United States federal law designed to clean up sites contaminated with hazardous substances...

sites, and are placed on the National Priorities List

National Priorities List

The National Priorities List is the list of hazardous waste sites in the United States eligible for long-term remedial action financed under the federal Superfund program. Environmental Protection Agency regulations outline a formal process for assessing hazardous waste sites and placing them on...

(NPL). The NPL guides the EPA in "determining which sites warrant further investigation" for environmental remediation. As of May 1, 2010, there were thirty Superfund sites on the National Priorities List in Missouri

Missouri

Missouri is a US state located in the Midwestern United States, bordered by Iowa, Illinois, Kentucky, Tennessee, Arkansas, Oklahoma, Kansas and Nebraska. With a 2010 population of 5,988,927, Missouri is the 18th most populous state in the nation and the fifth most populous in the Midwest. It...

. One more site has been proposed for entry on the list and five others have been cleaned up and removed from it.

Superfund sites

CERCLIS ID	Name	County	Reason	Proposed	Listed	Deleted
MO0000958611	Annapolis Lead Mine	Iron Iron County, Missouri Iron County is a county located in the Lead Belt region in Southeast Missouri in the United States. As of the 2000 U.S. Census, the county's population was 10,697. A 2008 estimate, however, showed the population to be 9,918. The largest city and county seat is Ironton...	Surface soil and sediments in the Sutton Branch flood plain contaminated with heavy metals, principally lead Lead Lead is a main-group element in the carbon group with the symbol Pb and atomic number 82. Lead is a soft, malleable poor metal. It is also counted as one of the heavy metals. Metallic lead has a bluish-white color after being freshly cut, but it soon tarnishes to a dull grayish color when exposed... , from mine operations and tailings.	03/08/2004	07/22/2004
MOD046750253	Armour Road	Clay	Soil and possible groundwater contamination from various herbicide Herbicide Herbicides, also commonly known as weedkillers, are pesticides used to kill unwanted plants. Selective herbicides kill specific targets while leaving the desired crop relatively unharmed. Some of these act by interfering with the growth of the weed and are often synthetic "imitations" of plant... blending and repackaging activities.	01/19/1999	05/10/1999
MOD980860522	Bee Cee Manufacturing Plant	Dunklin Dunklin County, Missouri Dunklin County is a county located in the Bootheel of Southeast Missouri in the United States. As of the 2000 U.S. Census, the county's population was 33,155. A 2008 estimate, however, showed the population to be 31,454. The largest city and county seat is Kennett...	Soil and groundwater contamination by hexavalent chromium Hexavalent chromium Hexavalent chromium refers to chemical compounds that contain the element chromium in the +6 oxidation state. Virtually all chromium ore is processed via hexavalent chromium, specifically the salt sodium dichromate. Approximately of hexavalent chromium were produced in 1985... from aluminum product manufacturing.	10/15/1984	06/10/1986
MOD981126899	Big River Mine Tailings/St. Joe Minerals	St. Francois	Tailings contain elevated levels of lead Lead Lead is a main-group element in the carbon group with the symbol Pb and atomic number 82. Lead is a soft, malleable poor metal. It is also counted as one of the heavy metals. Metallic lead has a bluish-white color after being freshly cut, but it soon tarnishes to a dull grayish color when exposed... , cadmium Cadmium Cadmium is a chemical element with the symbol Cd and atomic number 48. This soft, bluish-white metal is chemically similar to the two other stable metals in group 12, zinc and mercury. Similar to zinc, it prefers oxidation state +2 in most of its compounds and similar to mercury it shows a low... and zinc Zinc Zinc , or spelter , is a metallic chemical element; it has the symbol Zn and atomic number 30. It is the first element in group 12 of the periodic table. Zinc is, in some respects, chemically similar to magnesium, because its ion is of similar size and its only common oxidation state is +2... . Surface water and fish are contaminated by lead and there is a risk from dust.	02/07/1992	10/14/1992
MOD000829705	Conservation Chemical Company	Jackson Jackson County, Missouri Jackson County is a county located in the U.S. state of Missouri. With a population of 674,158 in the 2010 census, Jackson County is the second most populous of Missouri's counties, after St. Louis County. Kansas City, the state's most populous city and focus city of the Kansas City Metropolitan...	Chemical storage and disposal operations caused roundwater contamination by metals, cyanide Cyanide A cyanide is a chemical compound that contains the cyano group, -C≡N, which consists of a carbon atom triple-bonded to a nitrogen atom. Cyanides most commonly refer to salts of the anion CN−. Most cyanides are highly toxic.... s, phenolic compounds Phenols In organic chemistry, phenols, sometimes called phenolics, are a class of chemical compounds consisting of a hydroxyl group bonded directly to an aromatic hydrocarbon group... and VOCs and soil contamination by these and dioxins and PCBs. Contamination has entered the Missouri River Missouri River The Missouri River flows through the central United States, and is a tributary of the Mississippi River. It is the longest river in North America and drains the third largest area, though only the thirteenth largest by discharge. The Missouri's watershed encompasses most of the American Great... and a major flood could inundate the site.	06/24/1988	10/04/1989
MOD980633010	Ellisville Site	St. Louis St. Louis County, Missouri St. Louis County is a county located in the U.S. state of Missouri. Its county seat is Clayton. St. Louis County is part of the St. Louis Metro Area wherein the independent City of St. Louis and its suburbs in St. Louis County, as well as the surrounding counties in both Missouri and Illinois all...	Soil was contaminated by dioxins and VOCs from oil, chemical and industrial waste disposal. Airborne dust and groundwater contamination were potential risks.	12/30/1982	09/08/1983
MOD980631139	Fulbright Landfill	Greene Greene County, Missouri Greene County is a county located in Southwest Missouri. As of 2010, the population was 275,174 making it the fourth most populated county in Missouri. Its county seat is Springfield...	Groundwater and waste contained VOCs, other organic compounds, heavy metals and cyanide Cyanide A cyanide is a chemical compound that contains the cyano group, -C≡N, which consists of a carbon atom triple-bonded to a nitrogen atom. Cyanides most commonly refer to salts of the anion CN−. Most cyanides are highly toxic.... s. Adjacent river sediments were found to be contaminated with chromium Chromium Chromium is a chemical element which has the symbol Cr and atomic number 24. It is the first element in Group 6. It is a steely-gray, lustrous, hard metal that takes a high polish and has a high melting point. It is also odorless, tasteless, and malleable... and groundwater flows into these rivers. The site is within the rivers' flood plains.	12/30/1982	09/08/1983
MOD980631113	Kem-Pest Laboratories	Cape Girardeau Cape Girardeau County, Missouri Cape Girardeau County is a county located in Southeast Missouri in the United States. As of the 2010 U.S. Census, the county's population was 75,764. While the largest city in the county is Cape Girardeau, the county seat is actually Jackson, which was the first city named in honor of President...	Pesticide Pesticide Pesticides are substances or mixture of substances intended for preventing, destroying, repelling or mitigating any pest.A pesticide may be a chemical unicycle, biological agent , antimicrobial, disinfectant or device used against any pest... s including heptachlor Heptachlor Heptachlor is an organochlorine compound that was used as an insecticide. Usually sold as a white or tan powder, heptachlor is one of the cyclodiene insecticides. In 1962, Rachel Carson's Silent Spring questioned the safety of heptachlor and other chlorinated insecticides. Due to its highly... , chlordane Chlordane Chlordane, or chlordan, is an organochlorine compound that was used as a pesticide. This white solid was sold in the U.S. until 1983 as an insecticide for crops like corn and citrus and on lawns and domestic gardens.-Production and uses:... , and endrin Endrin Endrin is an organochloride that was primarily used as an insecticide. It is a colourless odorless solid, although commercial samples are often off-white. It is also a rodenticide. This compound became infamous as persistent organic pollutant and for this reason is banned in many... were found in the shallow aquifer. Drainage channel sediments contained pesticides including aldrin Aldrin Aldrin is an organochlorine insecticide that was widely used until the 1970s, when it was banned in most countries. It is a colourless solid. Before the ban, it was heavily used as a pesticide to treat seed and soil... and dieldrin Dieldrin Dieldrin is a chlorinated hydrocarbon originally produced in 1948 by J. Hyman & Co, Denver, as an insecticide. Dieldrin is closely related to aldrin, which reacts further to form dieldrin. Aldrin is not toxic to insects; it is oxidized in the insect to form dieldrin which is the active compound... . Pesticides and various volatile organic compounds (VOCs) were detected in subsurface and surface soil samples.	01/22/1987	10/04/1989	09/20/2001
MO3213890012	Lake City Army Ammunition Plant Lake City Army Ammunition Plant Lake City Army Ammunition Plant is a government-owned, contractor-operated facility in Independence, Missouri that was established by Remington Arms in 1941 to manufacture and test small caliber ammunition for the U.S. Army. The facility has remained in continuous operation except for one 5-year...	Jackson Jackson County, Missouri Jackson County is a county located in the U.S. state of Missouri. With a population of 674,158 in the 2010 census, Jackson County is the second most populous of Missouri's counties, after St. Louis County. Kansas City, the state's most populous city and focus city of the Kansas City Metropolitan...	Groundwater, soil, and surface water are contaminated with VOCs, various explosives, perchlorates, and heavy metals including lead Lead Lead is a main-group element in the carbon group with the symbol Pb and atomic number 82. Lead is a soft, malleable poor metal. It is also counted as one of the heavy metals. Metallic lead has a bluish-white color after being freshly cut, but it soon tarnishes to a dull grayish color when exposed... , arsenic Arsenic Arsenic is a chemical element with the symbol As, atomic number 33 and relative atomic mass 74.92. Arsenic occurs in many minerals, usually in conjunction with sulfur and metals, and also as a pure elemental crystal. It was first documented by Albertus Magnus in 1250.Arsenic is a metalloid... , and chromium Chromium Chromium is a chemical element which has the symbol Cr and atomic number 24. It is the first element in Group 6. It is a steely-gray, lustrous, hard metal that takes a high polish and has a high melting point. It is also odorless, tasteless, and malleable... .	10/15/1984	07/22/1987
MOD980853519	Lee Chemical	Clay	Ground water, surface water, and soil are contaminated with TCE Trichloroethylene The chemical compound trichloroethylene is a chlorinated hydrocarbon commonly used as an industrial solvent. It is a clear non-flammable liquid with a sweet smell. It should not be confused with the similar 1,1,1-trichloroethane, which is commonly known as chlorothene.The IUPAC name is... .	10/15/1984	06/10/1986
MOD098633415	Madison County Mines	Madison Madison County, Missouri Madison County is a county located in the Lead Belt region in Southeast Missouri in the United States. As of the 2000 U.S. Census, the county's population was 11,800. A 2008 estimate, however, showed the population to be 12,276. Its county seat and largest city is Fredericktown...	Lead Lead Lead is a main-group element in the carbon group with the symbol Pb and atomic number 82. Lead is a soft, malleable poor metal. It is also counted as one of the heavy metals. Metallic lead has a bluish-white color after being freshly cut, but it soon tarnishes to a dull grayish color when exposed... and other heavy metal contamination of groundwater, soil and surface water from former mining sites.	04/30/2003	09/29/2003
MOD980741912	Minker/Stout/Romaine Creek	Jefferson Jefferson County, Missouri Jefferson County is a county located in East Central Missouri in the United States. The county was included as the mean center of U.S. population in 1980. It is the sixth most-populous county in Missouri. Census 2010 put the population at 218,733 Its county seat is Hillsboro. The county was...	A horse arena was sprayed with oil for dust control but the oil was contaminated with dioxins. Seven horses died and more became ill. The arena was excavated in 1972 and the contaminated soil was used as fill for residential properties. Sediments in Romaine Creek are also contaminated.	12/30/1982	09/08/1983
MOD980965982	Missouri Electric Works	Cape Girardeau Cape Girardeau County, Missouri Cape Girardeau County is a county located in Southeast Missouri in the United States. As of the 2010 U.S. Census, the county's population was 75,764. While the largest city in the county is Cape Girardeau, the county seat is actually Jackson, which was the first city named in honor of President...	Air, groundwater and soil contamination by VOCs and PCBs from recycling transformer oil. Some waste oil was also used for dust suppression on local properties.	06/24/1988	02/21/1990
MOD981507585	Newton County Mine Tailings Site	Newton	Groundwater and soil contamination by lead Lead Lead is a main-group element in the carbon group with the symbol Pb and atomic number 82. Lead is a soft, malleable poor metal. It is also counted as one of the heavy metals. Metallic lead has a bluish-white color after being freshly cut, but it soon tarnishes to a dull grayish color when exposed... and cadmium Cadmium Cadmium is a chemical element with the symbol Cd and atomic number 48. This soft, bluish-white metal is chemically similar to the two other stable metals in group 12, zinc and mercury. Similar to zinc, it prefers oxidation state +2 in most of its compounds and similar to mercury it shows a low... from mining operations. It is estimated that over 700 drinking water wells are contaminated.	04/30/2003	09/29/2003
MOD985798339	Newton County Wells	Newton County	TCE Trichloroethylene The chemical compound trichloroethylene is a chlorinated hydrocarbon commonly used as an industrial solvent. It is a clear non-flammable liquid with a sweet smell. It should not be confused with the similar 1,1,1-trichloroethane, which is commonly known as chlorothene.The IUPAC name is... contamination of groundwater and drinking water wells from former ball bearing manufacturing plant.	01/19/1999	07/272000
MOD007163108	North-U Drive Well Contamination	Greene Greene County, Missouri Greene County is a county located in Southwest Missouri. As of 2010, the population was 275,174 making it the fourth most populated county in Missouri. Its county seat is Springfield...	Soil and ground water in private wells were found to be contaminated with VOCs Volatile organic compound Volatile organic compounds are organic chemicals that have a high vapor pressure at ordinary, room-temperature conditions. Their high vapor pressure results from a low boiling point, which causes large numbers of molecules to evaporate or sublimate from the liquid or solid form of the compound and... including toluene Toluene Toluene, formerly known as toluol, is a clear, water-insoluble liquid with the typical smell of paint thinners. It is a mono-substituted benzene derivative, i.e., one in which a single hydrogen atom from the benzene molecule has been replaced by a univalent group, in this case CH3.It is an aromatic... and benzene Benzene Benzene is an organic chemical compound. It is composed of 6 carbon atoms in a ring, with 1 hydrogen atom attached to each carbon atom, with the molecular formula C6H6.... from an unknown source.	10/15/1984	06/10/1986	09/08/1994
MOD981717036	Oak Grove Village Well	Franklin Franklin County, Missouri Franklin County is a county located in the U.S. state of Missouri on the south side of the Missouri River. Franklin County is part of the St. Louis Metro Area and contains many of the St. Louis exurbs. Census 2010 put the population at 101,492; making it the 10th most populous county in Missouri....	TCE Tetrachloroethylene Tetrachloroethylene, also known under its systematic name tetrachloroethene and many other names, is a chlorocarbon with the formula Cl2C=CCl2. It is a colourless liquid widely used for dry cleaning of fabrics, hence it is sometimes called "dry-cleaning fluid." It has a sweet odor detectable by... contamination of the Oak Grove Village municipal well from an unknown source.	09/13/2001	09/05/2002
MOD980686281	Oronogo-Duenweg Mining Belt	Jasper Jasper County, Missouri Jasper County is a county located in the US state of Missouri. It is included in the Joplin, Missouri Metropolitan Statistical Area. The 2010 total population of Jasper County was 117,404. It is the ninth most populous county in Missouri. Its county seat is Carthage, making it one of the few...	Significant contamination of groundwater, surface water and soil by cadmium Cadmium Cadmium is a chemical element with the symbol Cd and atomic number 48. This soft, bluish-white metal is chemically similar to the two other stable metals in group 12, zinc and mercury. Similar to zinc, it prefers oxidation state +2 in most of its compounds and similar to mercury it shows a low... , lead Lead Lead is a main-group element in the carbon group with the symbol Pb and atomic number 82. Lead is a soft, malleable poor metal. It is also counted as one of the heavy metals. Metallic lead has a bluish-white color after being freshly cut, but it soon tarnishes to a dull grayish color when exposed... and zinc Zinc Zinc , or spelter , is a metallic chemical element; it has the symbol Zn and atomic number 30. It is the first element in group 12 of the periodic table. Zinc is, in some respects, chemically similar to magnesium, because its ion is of similar size and its only common oxidation state is +2... from mining, milling and smelting of metal ores. At least 200 private drinking water wells are contaminated with lead and cadmium. At least 2,300 residential yards are contaminated with lead and at least 300 homes have been built on or near milling waste piles.	06/24/1988	08/30/1990
MO0000958835	Pools Prairie	Newton	Private drinking water wells contaminated with VOCs including TCE Trichloroethylene The chemical compound trichloroethylene is a chlorinated hydrocarbon commonly used as an industrial solvent. It is a clear non-flammable liquid with a sweet smell. It should not be confused with the similar 1,1,1-trichloroethane, which is commonly known as chlorothene.The IUPAC name is... and carbon tetrachloride Carbon tetrachloride Carbon tetrachloride, also known by many other names is the organic compound with the formula CCl4. It was formerly widely used in fire extinguishers, as a precursor to refrigerants, and as a cleaning agent... .	01/19/1999	09/17/1999
MOD980860555	Quality Plating	Scott Scott County, Missouri Scott County is a county located in Southeast Missouri in the United States. As of the 2000 U.S. Census, the population was 40,422; a 2008 estimate, however, showed the population to be 40,673. Its county seat is Benton...	Groundwater contamination by lead Lead Lead is a main-group element in the carbon group with the symbol Pb and atomic number 82. Lead is a soft, malleable poor metal. It is also counted as one of the heavy metals. Metallic lead has a bluish-white color after being freshly cut, but it soon tarnishes to a dull grayish color when exposed... and hexavalent chromium Hexavalent chromium Hexavalent chromium refers to chemical compounds that contain the element chromium in the +6 oxidation state. Virtually all chromium ore is processed via hexavalent chromium, specifically the salt sodium dichromate. Approximately of hexavalent chromium were produced in 1985... from former electroplating operations.	01/15/1984	06/10/1986
MOD981720246	Riverfront	Franklin Franklin County, Missouri Franklin County is a county located in the U.S. state of Missouri on the south side of the Missouri River. Franklin County is part of the St. Louis Metro Area and contains many of the St. Louis exurbs. Census 2010 put the population at 101,492; making it the 10th most populous county in Missouri....	Groundwater, surface water, and soil are contaminated with PCE.	07/27/2000	12/01/2000
MOD980685838	Shenandoah Stables	Lincoln Lincoln County, Missouri As of the census of 2000, there were 38,944 people, 13,851 households, and 10,554 families residing in the county. The population density was 62 people per square mile . There were 15,511 housing units at an average density of 25 per square mile...	In 1971, an arena was sprayed with waste oil for dust control but the oil was contaminated with dioxins. Forty horses died, along with many rodents and birds; several people became ill. Contaminated soil was excavated and used as fill for a highway; later, more was excavated and dumped in a swampy area on the ranch.	12/30/1982	09/08/1983	09/25/2001
MOD980854111	Solid State Circuits, Inc.	Greene Greene County, Missouri Greene County is a county located in Southwest Missouri. As of 2010, the population was 275,174 making it the fourth most populated county in Missouri. Its county seat is Springfield...	Groundwater is contaminated by VOCs, including TCE Trichloroethylene The chemical compound trichloroethylene is a chlorinated hydrocarbon commonly used as an industrial solvent. It is a clear non-flammable liquid with a sweet smell. It should not be confused with the similar 1,1,1-trichloroethane, which is commonly known as chlorothene.The IUPAC name is... , methylene chloride and chloroform Chloroform Chloroform is an organic compound with formula CHCl3. It is one of the four chloromethanes. The colorless, sweet-smelling, dense liquid is a trihalomethane, and is considered somewhat hazardous... . Contaminated soil has been cleaned up.	10/15/1984	06/10/1986
MOD980633176	St. Louis Airport/Hazelwood Interim Storage/Futura Coatings Co.	St. Louis St. Louis County, Missouri St. Louis County is a county located in the U.S. state of Missouri. Its county seat is Clayton. St. Louis County is part of the St. Louis Metro Area wherein the independent City of St. Louis and its suburbs in St. Louis County, as well as the surrounding counties in both Missouri and Illinois all...	Soil contamination by uranium Uranium Uranium is a silvery-white metallic chemical element in the actinide series of the periodic table, with atomic number 92. It is assigned the chemical symbol U. A uranium atom has 92 protons and 92 electrons, of which 6 are valence electrons... , thorium Thorium Thorium is a natural radioactive chemical element with the symbol Th and atomic number 90. It was discovered in 1828 and named after Thor, the Norse god of thunder.... and radium Radium Radium is a chemical element with atomic number 88, represented by the symbol Ra. Radium is an almost pure-white alkaline earth metal, but it readily oxidizes on exposure to air, becoming black in color. All isotopes of radium are highly radioactive, with the most stable isotope being radium-226,... and groundwater uranium Uranium Uranium is a silvery-white metallic chemical element in the actinide series of the periodic table, with atomic number 92. It is assigned the chemical symbol U. A uranium atom has 92 protons and 92 electrons, of which 6 are valence electrons... contamination from uranium ore processing associated with the Manhattan Project Manhattan Project The Manhattan Project was a research and development program, led by the United States with participation from the United Kingdom and Canada, that produced the first atomic bomb during World War II. From 1942 to 1946, the project was under the direction of Major General Leslie Groves of the US Army... and from transportation and dumping of process residues.	05/05/1989	10/04/1989
MON000705443	Southwest Jefferson County Mining	Jefferson Jefferson County, Missouri Jefferson County is a county located in East Central Missouri in the United States. The county was included as the mean center of U.S. population in 1980. It is the sixth most-populous county in Missouri. Census 2010 put the population at 218,733 Its county seat is Hillsboro. The county was...	Extensive lead Lead Lead is a main-group element in the carbon group with the symbol Pb and atomic number 82. Lead is a soft, malleable poor metal. It is also counted as one of the heavy metals. Metallic lead has a bluish-white color after being freshly cut, but it soon tarnishes to a dull grayish color when exposed... contamination of soils at at least 594 residential properties and in at least 39 private drinking water wells, from former mining, milling and smelting operations.	04/09/2009	09/23/2009
MOD007452154	Syntex Facility, Inc.	Lawrence	Soil, surface water and groundwater contaminated by dioxins and VOCs and Spring River aquatic life contaminated by dioxins, from chemical manufacture.	12/30/1982	09/08/1983
MOD980685226	Times Beach Site	St. Louis St. Louis County, Missouri St. Louis County is a county located in the U.S. state of Missouri. Its county seat is Clayton. St. Louis County is part of the St. Louis Metro Area wherein the independent City of St. Louis and its suburbs in St. Louis County, as well as the surrounding counties in both Missouri and Illinois all...	During the early 1970s, unpaved roads in the town were sprayed with oil for dust suppression but the oil was contaminated by dioxins. By 1986, all residents had been permanently relocated and the cleaned up site is now a state park.	03/04/1983	09/08/1983	09/25/2001
MOD980968341	Valley Park TCE	St. Louis St. Louis County, Missouri St. Louis County is a county located in the U.S. state of Missouri. Its county seat is Clayton. St. Louis County is part of the St. Louis Metro Area wherein the independent City of St. Louis and its suburbs in St. Louis County, as well as the surrounding counties in both Missouri and Illinois all...	Groundwater contamination by VOCs including PCE Tetrachloroethylene Tetrachloroethylene, also known under its systematic name tetrachloroethene and many other names, is a chlorocarbon with the formula Cl2C=CCl2. It is a colourless liquid widely used for dry cleaning of fabrics, hence it is sometimes called "dry-cleaning fluid." It has a sweet odor detectable by... and trichloroethane Trichloroethane Trichloroethane can refer to either of two isomeric chemical compounds:* 1,1,1-Trichloroethane * 1,1,2-Trichloroethane... . Municipal and industrial water supplies are affected.	04/10/1985	06/10/1986
MON000705803	Vienna Wells	Maries	Three drinking water wells are contaminated with PCE Tetrachloroethylene Tetrachloroethylene, also known under its systematic name tetrachloroethene and many other names, is a chlorocarbon with the formula Cl2C=CCl2. It is a colourless liquid widely used for dry cleaning of fabrics, hence it is sometimes called "dry-cleaning fluid." It has a sweet odor detectable by... believed to come from the site of a former hat factory.	03/04/2010
MON000705027	Washington County - Old Mines	Washington Washington County, Missouri Washington County is a county located in East Central Missouri in the United States. As of the 2010 U.S. Census, the county's population was 25,195. The largest city and county seat is Potosi...	Surface soil at 290 residential properties and 124 private drinking water wells are contaminated with lead Lead Lead is a main-group element in the carbon group with the symbol Pb and atomic number 82. Lead is a soft, malleable poor metal. It is also counted as one of the heavy metals. Metallic lead has a bluish-white color after being freshly cut, but it soon tarnishes to a dull grayish color when exposed... . Occasional elevated levels of barite Barite Baryte, or barite, is a mineral consisting of barium sulfate. The baryte group consists of baryte, celestine, anglesite and anhydrite. Baryte itself is generally white or colorless, and is the main source of barium... , arsenic Arsenic Arsenic is a chemical element with the symbol As, atomic number 33 and relative atomic mass 74.92. Arsenic occurs in many minerals, usually in conjunction with sulfur and metals, and also as a pure elemental crystal. It was first documented by Albertus Magnus in 1250.Arsenic is a metalloid... , and cadmium Cadmium Cadmium is a chemical element with the symbol Cd and atomic number 48. This soft, bluish-white metal is chemically similar to the two other stable metals in group 12, zinc and mercury. Similar to zinc, it prefers oxidation state +2 in most of its compounds and similar to mercury it shows a low... have also been identified at the site.	09/19/2007	03/19/2008
MON000705023	Washington County - Potosi	Washington Washington County, Missouri Washington County is a county located in East Central Missouri in the United States. As of the 2010 U.S. Census, the county's population was 25,195. The largest city and county seat is Potosi...	Surface soil at 716 residential properties and 138 private drinking water wells are contaminated with lead Lead Lead is a main-group element in the carbon group with the symbol Pb and atomic number 82. Lead is a soft, malleable poor metal. It is also counted as one of the heavy metals. Metallic lead has a bluish-white color after being freshly cut, but it soon tarnishes to a dull grayish color when exposed... . Occasional elevated levels of barite Barite Baryte, or barite, is a mineral consisting of barium sulfate. The baryte group consists of baryte, celestine, anglesite and anhydrite. Baryte itself is generally white or colorless, and is the main source of barium... , arsenic Arsenic Arsenic is a chemical element with the symbol As, atomic number 33 and relative atomic mass 74.92. Arsenic occurs in many minerals, usually in conjunction with sulfur and metals, and also as a pure elemental crystal. It was first documented by Albertus Magnus in 1250.Arsenic is a metalloid... , and cadmium Cadmium Cadmium is a chemical element with the symbol Cd and atomic number 48. This soft, bluish-white metal is chemically similar to the two other stable metals in group 12, zinc and mercury. Similar to zinc, it prefers oxidation state +2 in most of its compounds and similar to mercury it shows a low... have also been identified.	09/19/2007	03/19/2008
MON000705032	Washington County - Richwoods	Washington Washington County, Missouri Washington County is a county located in East Central Missouri in the United States. As of the 2010 U.S. Census, the county's population was 25,195. The largest city and county seat is Potosi...	Surface soil at 65 residential properties and 49 private drinking water wells are contaminated with lead Lead Lead is a main-group element in the carbon group with the symbol Pb and atomic number 82. Lead is a soft, malleable poor metal. It is also counted as one of the heavy metals. Metallic lead has a bluish-white color after being freshly cut, but it soon tarnishes to a dull grayish color when exposed... . Occasional elevated levels of barite Barite Baryte, or barite, is a mineral consisting of barium sulfate. The baryte group consists of baryte, celestine, anglesite and anhydrite. Baryte itself is generally white or colorless, and is the main source of barium... , arsenic Arsenic Arsenic is a chemical element with the symbol As, atomic number 33 and relative atomic mass 74.92. Arsenic occurs in many minerals, usually in conjunction with sulfur and metals, and also as a pure elemental crystal. It was first documented by Albertus Magnus in 1250.Arsenic is a metalloid... , and cadmium Cadmium Cadmium is a chemical element with the symbol Cd and atomic number 48. This soft, bluish-white metal is chemically similar to the two other stable metals in group 12, zinc and mercury. Similar to zinc, it prefers oxidation state +2 in most of its compounds and similar to mercury it shows a low... have also been identified.	09/19/2007	03/19/2008
MO5210021288	Weldon Spring Former Army Ordnance Works	St. Charles	TNT, DNT Dinitrotoluene 2,4-Dinitrotoluene or Dinitro is an organic compound with the formula C6H32. This pale yellow crystalline solid is well known as a precursor to trinitrotoluene but is mainly used in the polymer industry.... , and lead have been identified in soil at several areas on the site, and TNT was detected in 1987 in surface water downstream of the lagoons.	07/14/1989	02/21/1990
MO3210090004	Weldon Spring Quarry/Plant/Pits (USDOE United States Department of Energy The United States Department of Energy is a Cabinet-level department of the United States government concerned with the United States' policies regarding energy and safety in handling nuclear material... /USARMY United States Army The United States Army is the main branch of the United States Armed Forces responsible for land-based military operations. It is the largest and oldest established branch of the U.S. military, and is one of seven U.S. uniformed services... )	St. Charles	Wastewater containing sulfonate Sulfonate A sulfonate is a salt or ester of a sulfonic acid. It contains the functional group R-SO2O-.- Sulfonate salts:Anions with the general formula RSO2O− are called sulfonates. They are the conjugate bases of sulfonic acids with formula RSO2OH. As sulfonic acids tend to be strong acids, the... derivatives contaminated surface water and groundwater. Residues from uranium Uranium Uranium is a silvery-white metallic chemical element in the actinide series of the periodic table, with atomic number 92. It is assigned the chemical symbol U. A uranium atom has 92 protons and 92 electrons, of which 6 are valence electrons... ore, thorium Thorium Thorium is a natural radioactive chemical element with the symbol Th and atomic number 90. It was discovered in 1828 and named after Thor, the Norse god of thunder.... ore, radium Radium Radium is a chemical element with atomic number 88, represented by the symbol Ra. Radium is an almost pure-white alkaline earth metal, but it readily oxidizes on exposure to air, becoming black in color. All isotopes of radium are highly radioactive, with the most stable isotope being radium-226,... , TNT, and DNT Dinitrotoluene 2,4-Dinitrotoluene or Dinitro is an organic compound with the formula C6H32. This pale yellow crystalline solid is well known as a precursor to trinitrotoluene but is mainly used in the polymer industry.... residues.	10/15/1984	07/22/1987
MOD079900932	Westlake Landfill	St. Louis St. Louis County, Missouri St. Louis County is a county located in the U.S. state of Missouri. Its county seat is Clayton. St. Louis County is part of the St. Louis Metro Area wherein the independent City of St. Louis and its suburbs in St. Louis County, as well as the surrounding counties in both Missouri and Illinois all...	Soils mixed with uranium Uranium Uranium is a silvery-white metallic chemical element in the actinide series of the periodic table, with atomic number 92. It is assigned the chemical symbol U. A uranium atom has 92 protons and 92 electrons, of which 6 are valence electrons... ore processing residues were used as daily cover in the landfilling operation.	10/26/1989	08/30/1990
MOD000830554	Wheeling Disposal Service Co, Landfill	Andrew Andrew County, Missouri -External links:* from University of Missouri Division of Special Collections, Archives, and Rare Books...	Groundwater and soil was contaminated with various volatile organic compounds (VOCs) and heavy metals including arsenic Arsenic Arsenic is a chemical element with the symbol As, atomic number 33 and relative atomic mass 74.92. Arsenic occurs in many minerals, usually in conjunction with sulfur and metals, and also as a pure elemental crystal. It was first documented by Albertus Magnus in 1250.Arsenic is a metalloid... , chromium Chromium Chromium is a chemical element which has the symbol Cr and atomic number 24. It is the first element in Group 6. It is a steely-gray, lustrous, hard metal that takes a high polish and has a high melting point. It is also odorless, tasteless, and malleable... , nickel Nickel Nickel is a chemical element with the chemical symbol Ni and atomic number 28. It is a silvery-white lustrous metal with a slight golden tinge. Nickel belongs to the transition metals and is hard and ductile... , and lead Lead Lead is a main-group element in the carbon group with the symbol Pb and atomic number 82. Lead is a soft, malleable poor metal. It is also counted as one of the heavy metals. Metallic lead has a bluish-white color after being freshly cut, but it soon tarnishes to a dull grayish color when exposed... .	01/22/1987	10/04/1989	10/30/2000

External links

The source of this article is wikipedia, the free encyclopedia. The text of this article is licensed under the GFDL.

Superfund sites

See also

External links