Welcome to the FUSRAP homepage

The Formerly Utilized Sites Remedial Action Program (FUSRAP) is an environmental remediation program. The FUSRAP team devotes itself to finding and remediating radiological contamination generated by activities of the Manhattan Engineer District and the Atomic Energy Commission (MED/AEC) during development of the atomic weapons in the 1940s and 1950s.  

After MED/AEC activities ceased, uranium-processing sites were decontaminated according to the standards of the day. However, today's cleanup standards are much more stringent, requiring additional cleanup. During its sampling activities, the FUSRAP team tests for FUSRAP contaminants of concern (COCs) per the Record of Decision (ROD) for the North St. Louis County Sites, but it doesn't test for other, unrelated (non-FUSRAP) contaminants that may be present.

Watch 2024 FUSRAP Open House video! Includes closed captioning

FUSRAP Open House St. Louis Sites Welcome slide with play button. Click to view video.

Read over June 12 FUSRAP Open House presentation

Take a look at the FUSRAP Open House slide show.

FUSRAP: Overview Slide Show

U.S. Army Corps of Engineers Formerly Utilized Sites Remedial Action Program contractors receive training on the Multi-Agency Radiation Survey and Site Investigation Manual. The manual provides detailed guidance on how to demonstrate that a site is in compliance with a radiation dose- or risk-based regulation. MARSSIM focuses on the demonstration of compliance during the final status survey following scoping, characterization and any necessary remedial actions. MARSSIM was developed collaboratively by the Department of Defense, the Department of Energy, the United States Nuclear Regulatory Commission, and the Environmental Protection Agency.
U.S. Army Corps of Engineers Formerly Utilized Sites Remedial Action Program contractors receive training on the Multi-Agency Radiation Survey and Site Investigation Manual. The manual provides detailed guidance on how to demonstrate that a site is in compliance with a radiation dose- or risk-based regulation. MARSSIM focuses on the demonstration of compliance during the final status survey following scoping, characterization and any necessary remedial actions. MARSSIM was developed collaboratively by the Department of Defense, the Department of Energy, the United States Nuclear Regulatory Commission, and the Environmental Protection Agency.
U.S. Army Corps of Engineers Formerly Utilized Sites Remedial Action Program contractors receive training on the Multi-Agency Radiation Survey and Site Investigation Manual. The manual provides detailed guidance on how to demonstrate that a site is in compliance with a radiation dose- or risk-based regulation. MARSSIM focuses on the demonstration of compliance during the final status survey following scoping, characterization and any necessary remedial actions. MARSSIM was developed collaboratively by the Department of Defense, the Department of Energy, the United States Nuclear Regulatory Commission, and the Environmental Protection Agency.
U.S. Army Corps of Engineers Formerly Utilized Sites Remedial Action Program contractors prepare to brave mucky slopes along the 100-year floodplain near Coldwater Creek to perform gamma walkover surveys in areas along Highway 367 that were previously inaccessible due to excessive foliage and thick brush. Gamma walkover surveys are completed to identify areas where there may be elevated areas of Manhattan Engineer District, early Atomic Energy Commission radiation that require further investigation.
U.S. Army Corps of Engineers Formerly Utilized Sites Remedial Action Program contractors perform gamma walkover surveys along the 100-year floodplain in and around Coldwater Creek, in areas along Highway 367 that were previously inaccessible due to excessive foliage and thick brush. Gamma walkover surveys are completed to identify areas where there may be elevated areas of Manhattan Engineer District, early Atomic Energy Commission radiation that require further investigation. The team frequently braves mucky slopes and harsh terrain to keep the FUSRAP mission on track.
U.S. Army Corps of Engineers Formerly Utilized Sites Remedial Action Program contractors perform gamma walkover surveys along the 100-year floodplain in and around Coldwater Creek, in areas along Highway 367 that were previously inaccessible due to excessive foliage and thick brush. Gamma walkover surveys are completed to identify areas where there may be elevated areas of Manhattan Engineer District, early Atomic Energy Commission radiation that require further investigation.
U.S. Army Corps of Engineers Formerly Utilized Sites Remedial Action Program contractors perform gamma walkover surveys along the 100-year floodplain near Coldwater Creek, in areas along Highway 367 that were previously inaccessible due to excessive foliage and thick brush. Gamma walkover surveys are completed to identify areas where there may be elevated areas of Manhattan Engineer District, early Atomic Energy Commission radiation that require further investigation.
U.S. Army Corps of Engineers Formerly Utilized Sites Remedial Action Program contractors prepare to brave mucky slopes along the 100-year floodplain near Coldwater Creek to perform gamma walkover surveys in areas along Highway 367 that were previously inaccessible due to excessive foliage and thick brush. Gamma walkover surveys are completed to identify areas where there may be elevated areas of Manhattan Engineer District, early Atomic Energy Commission radiation that require further investigation.
U.S. Army Corps of Engineers Formerly Utilized Sites Remedial Action Program use premier radiation detection equipment near Central Stone Quarry at the confluence of Coldwater Creek and the Missouri River to classify soil samples during enduring efforts to find and remediate radioactive waste stemming from Manhattan Engineer District and early Atomic Energy Commission activities in north St. Louis County. Samples collected will be taken to the FUSRAP labs for thorough analysis, after collection and classification.

Other FUSRAP Documents

 Miscellaneous Documents

FUSRAP Utility Support Policy

Visit the CIP page to view Community Involvement Plans administered by the St. Louis District:

Pre-Design Investigation Summary Report for St. Cin Park, the Archdiocese of St. Louis Property and Duchesne Park


St. Louis District Sites

More about FUSRAP

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FUSRAP Mission

Protect human health and the environment.

Execute the approved alternative for cleaning up the radioactive contamination above health-based cleanup guidelines.

Minimize adverse impacts on residents and area business operations.

Return sites for appropriate beneficial use.

 Contact Us


STLFUSRAP@usace.army.mil 
NOTE: This email account is checked on most weekdays.
If, instead of clicking the email address above, you type or copy and paste the email address into a new email message, check to see that the email address appears correctly in your message.

314-260-3905 

U.S. Army Corps of Engineers
St. Louis District 
FUSRAP Area Office
114 James S. McDonnell Blvd.
Hazelwood, MO 63042-3102