The following Fact Sheet was generated by the U.S. Army Corps of Engineers. Some samples at Department of Energy sampling wells continue to test positive for thorium and uranium, in some cases more than 15 times the maximum contamination level for public drinking water set by the EPA. Last updated May 25, 2017 Weldon Spring Site Remedial Action Project - Department of Energy Site. Weldon Spring is one of the original Manhattan Project Locations that processed uranium for Mallinckrodt Chemical Works from the 1950‘s through the 1960’s. CONTAMINANTS AT THE WELDON SPRING CHEMICAL PLANT SITE, ST. CHARLES COUNTY, MISSOURI-1989-91 By John G. Schumacher U.S. GEOLOGICAL SURVEY Open-File Report 93-433 Prepared in cooperation with the U.S. DEPARTMENT OF ENERGY Rolla, Missouri 1993. MCW-1430, MCW-1433, and MCW-1442 include title page note: "This is a progress report on current work and is issued as promptly as possible at the end of the … The processing plant operated until 1966. The largest explosives factory in America once stood on land just south of Weldon Spring, Missouri. Boy Scout Troop 353 is based in Weldon Spring, MO and is part of the Boone Trails District within the Greater St. Louis Area Council. The Weldon Spring site was contaminated through the production of explosives during the war effort of the 1940s and by the processing of uranium by … The Department of Energy's Weldon Spring Site Remedial Action Project (now the Weldon Spring Site) consisted of two distinct locations, the chemical plant area and the quarry. Under the trees on the campus of the University of Chicago, three men sat quietly talking. The Weldon Spring Conservation Area once was one of the most toxic places in the United States. The Army Reserve, composed of citizen soldiers who are often called on to bolster active duty missions abroad, obtained the property 30 miles west of St. Louis in 2004 from Fort Leonard Wood. During World War II, the U.S. Government built a munitions plant on the property. A viewing platform on top of the disposal cell is the highest accessible point in St. Charles County and a nearby interpretive center tells the story of this former WWII TNT facility and Cold War era uranium processing plant. The Weldon Spring Site has transformed from a site once used to manufacture explosives and process uranium-ore concentrates to a publicly accessible area for recreation and education. Mallinckrodt Chemical Works (Weldon Spring, U.S. Atomic Energy Commission. Mallinckrodt Chemical Works (Weldon Spring, Mo.) Government-owned, contractor-operated (GOCO) facility in St. Charles County, Missouri, 55 km west of St. Louis. The Weldon Spring Site remains under the jurisdiction of the Department of Energy, which continues to conduct surface and groundwater tests throughout the area. The site was originally operated by the Atlas Powder Company during World War II from 1941 to 1945 to produce explosives. Weldon Spring Ordnance Works (WSOW) was a 17,323-acre (70.10 km 2) U.S. Visitors can clamber to the top of a burial mound of sorts. September 13, 2011 Meeting of the Advisory Board’s Work Group on Weldon Spring Plant. Response Concerning Recycled Uranium (SEC Issue #5) at Weldon Spring pdf icon [47 KB (9 pages)] August 3, 2011. In 1957, when fulfilling new safety measures became too difficult at the old company, the purification of uranium ceased at St. Louis and production moved to the newly built Weldon Spring site in Missouri. W-14-108-Eng-8. The Weldon Spring Uranium Feed Mill Plant, operated by Mallinckrodt Chemical Works of St. Louis, processed raw uranium ore into “yellow cake,” or concentrated ore which was shipped to other sites. Weldon Spring Site, Missouri A CERCLA site Fact Sheet The plant converted processed uranium ore concentrates to pure uranium trioxide, intermediate compounds, and uranium metal. The site was originally operated by the Atlas Powder Company during World War II from 1941 to 1945 to produce explosives. Weldon Spring Plant site information. U.S. DEPARTMENT OF THE INTERIOR BRUCE BABBITT, Secretary U.S. GEOLOGICAL SURVEY Robert M. Hirsch, Acting Director For … Big things were being done quietly in those days. The Weldon Spring Site has been transformed from a contaminated World War II explosives manufacturing plant and Cold War Era uranium processing facility to an educational and recreational site. The data, except for air monitoring data and site KPA generated data (uranium analyses), were received from the contract laboratories, verified by the Weldon Spring Site verification group, and merged into the database during the third quarter of 1998. Old bunkers used for the storage of TNT still dot the landscape. Mallinckrodt Chemical Works (Saint Louis and U.S. Atomic Energy Commission. The population was 5,443 at the 2010 census. Abstract. The active remediation of the Weldon Spring Site was conducted under the Comprehensive Environmental … A. Fellows, Mo.). The disposal plan is one of four put on the table late last year. Later, the land was used as an EPA Superfund site where TNT and uranium processing were done. 90 Restaurants within 5 miles. Time/Location: 9:00 a.m. Eastern Standard Time (EST) Meeting Type: Face-to-Face; Public, No Comment Period . It is truly an amazing transformation and a tremendous asset to the community.” By J. The Weldon Spring Site Interpretive Center presents a window to the past and DOE’s commitment to the future through long-term surveillance and maintenance of the Weldon Spring Site and a strong community partnership. Mallinckrodt Chemical Works (Saint Louis . There are 29 active homes for sale in Weldon Spring, MO, which spend an average of 47 days on the market. Weldon Spring Uranium Feed Materials Plant, the Army agreed to transfer approximately 205 acres to AEC. In the mid-1950s, the United States Atomic Energy Commission constructed a uranium processing plant on that 2,000 acres. Air monitoring data presented are the most recent complete sets of quarterly data. Operated for the U.S. Atomic Energy Commission under contract no. 14 Other Attractions within 5 miles. Weldon Spring Uranium Feed Materials Plant dated January 1959: April 1942. Weldon Spring Chemical Plant. ""August 21, 1961.""MCW-1467. After production ceased, the U.S. Department of Energy gained control of the property and began the clean-up process. Of the original 17,000 acres that were snatched up by eminent domain during the war effort for Weldon Spring Ordnance Works, about 1,655 acres remain in control of the military. Within days of WWII victory, all but 2,000 acres of the land was resold. and Mo.) Incidentally, I scanned the document so there may be typos. Weldon Spring, Missouri. This hiking and biking trail in Weldon Springs is on the site of a former uranium production plant that is now safe for public use. Weldon Spring Ordnance Works (WSOW) was a 17,323-acre (70.10 km 2) U.S. Ten years later, the same property was occupied by a plant that refined uranium for Cold War nuclear bombs. "UC-25, Metals, Ceramics, and Materials ; (TID-4500, 16th Ed.). Uranium Division. After decontamination, the Army officially transferred the land to AEC. The area has since been cleaned and restored to the beautiful birding area we see today. Weldon Spring Uranium Feed Mill Plant produced yellow cake uranium ore. By Mo.) Weldon Spring has a unique history as a converted Army munitions production plant, which created TNT and processed Uranium ore during World War II. The Weldon Spring Ordnance Works was, at the time, the largest explosives factory in the U.S. If the quarry water is not removed, there is a chance the seepage will soon reach nearby well fields that supply most St. Charles County s with water. To preserve the history of the Weldon Spring site and tell the story of its interesting past, DOE remodeled one of the buildings at the site into a 10,663-square-foot Interpretive Center Museum. The Atomic Energy Commission acquired part of the property in 1955, and Mallinckrodt, … Adjacent to the center is the 75-foot-high Weldon Spring disposal cell with a viewing platform that offers a panoramic view of St. Charles County and the surrounding Howell … Multiple drainage systems, receiving from a variety of waste discharge points, combined to create unique and unexpected depositional environment. A 45-acre and reaches 75-foot tall mound covers a nuclear waste disposal cell. The land was partially decontaminated prior to the transfer, and construction of the feed materials plant was begun. Some samples at Department of Energy sampling wells continue to test positive for thorium and uranium, in some cases more than 15 times the maximum contamination level for public drinking water set by the EPA. Abstract. The Weldon Spring, Mo., Nuclear Waste Adventure Trail and Museum, officially known as the Weldon Spring Site and Interpretive Center, offers just such an opportunity. The operation of the Weldon Spring Uranium Feed Materials Plant in St. Charles, MO between 1958 and 1966 resulted in the migration and emplacement of radioactive contaminants into surface water drainage systems. Homes for sale in Weldon Spring, MO have a median listing price of $554,900. The Troop participates in many community service activities in the St. Charles County area and operates an annual Christmas Tree Lot fundraiser. As a result, radioactive water is now seeping through limestone into the groundwater. The Weldon Spring site is now open to the public and is an excellent example of beneficial reuse of a former World War II explosives manufacturing and Cold War uranium metals-processing facility. The Environmental Protection Agency placed the Best nearby. Things to do near Weldon Spring Site Interpretive Center. It was the location of the largest World War 2 explosives plant and later a uranium … Website +1 636-300-2600. Weldon Spring is a city in St. Charles County, Missouri, United States. The processing plant operated until 1966. Troop 353 was started in 1937 in Dardenne, MO and is celebrating it's 75th Anniversary in 2012. The site’s Interpretive Center opened in 2002 and communicates site history, cleanup activities, and current conditions. Possible U238 burn at Weldon Springs : I received the following information in the mail today regarding possible illegal incineration of Uranium-238 at Missouri's Weldon Springs Ordnance Works. The site was contaminated with over 1.5 million cubic yards of asbestos, radioactive uranium and contaminated rubble. The site was originally operated by the Atlas Powder Company during World War II from 1941 to 1945 to produce explosives. An additional 14.88 acres were transferred to AEC in 1964. Nuclear Waste Adventure Trail and Museum; Mastermind Room Escape ... MO 63304-2203. Government-owned, contractor-operated (GOCO) facility in St. Charles County, Missouri, 55 km west of St. Louis. At Weldon Spring, in rural St. Charles County, Mo., a quarry and nearby uranium plant were contaminated with chemical and nuclear materials. The government is likely to bury millions of tons of radioactive and chemical wastes in a 72-acre mound at Weldon Spring, the manager of the $650 million cleanup said Wednesday. Shrouded in secrecy, the greatest brain trust in history had undertaken to release the enormous energy of the atom for the defense of the free world. construction of the Weldon Spring Uranium Feed Materials Plant, now referred to as the Weldon Spring Chemical Plant. The site was abandoned in the late 1960s. The Weldon Spring Uranium Feed Mill Plant, operated by Mallinckrodt Chemical Works of St. Louis, did not produce weapons grade uranium, as is often thought, but instead processed raw uranium ore into “yellow cake,” or concentrated ore which was shipped to other sites. Uranium Division Mallinckrodt Chemical Works (Weldone Spring, Mo.). Uranium Division. At that point the radioactive waste was left behind. In 1966, the plant closed and remained abandoned for 20 years. 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